| 1 |
var f={APPLY:"apply",CALLBACK:"callback",PING:"ping",PONG:"pong"},b={PROVIDER:"provider",INJECTOR:"injector"},E=e=>{let n=!!e?.type&&Object.values(f).includes(e.type),t=!!e?.id&&typeof e.id=="string",a=!!e?.path&&Array.isArray(e.path)&&e.path.every(p=>typeof p=="string"),i=!!e?.sender&&Object.values(b).includes(e.sender),r=e?.callbackIds===void 0||Array.isArray(e.callbackIds)&&e.callbackIds.every(p=>typeof p=="string"),m=e?.args===void 0||Array.isArray(e.args),s=e?.error===void 0||typeof e.error=="string",o=!!e?.meta&&e.meta!==null&&typeof e.meta=="object",c=!!e?.namespace&&typeof e.namespace=="string",u=!!e?.timeStamp&&typeof e.timeStamp=="number";return n&&t&&a&&i&&r&&m&&s&&o&&c&&u},N=()=>[void 0,void 0,void 0,void 0].map(()=>Math.floor(Math.random()*(2**53-1)).toString(16)).join("-"),C=N,V=(e,n,...t)=>{let a=setTimeout(()=>{clearTimeout(a),e(...t),a=setInterval(e,n,...t)},0);return()=>clearInterval(a)},W=V,H=(e,n)=>n!==void 0&&e instanceof n,d=H,z=e=>{let n=new WeakSet,t=a=>!a||typeof a!="object"||n.has(a)?[]:(n.add(a),d(a,globalThis.ArrayBuffer)||d(a,globalThis.MessagePort)||d(a,globalThis.ImageBitmap)||d(a,globalThis.OffscreenCanvas)||d(a,globalThis.AudioData)||d(a,globalThis.VideoFrame)||d(a,globalThis.RTCDataChannel)||d(a,globalThis.MediaSourceHandle)||d(a,globalThis.MIDIAccess)||d(a,globalThis.MediaStreamTrack)||d(a,globalThis.ReadableStream)||d(a,globalThis.WritableStream)||d(a,globalThis.TransformStream)?[a]:Array.isArray(a)?a.flatMap(t):Object.values(a).flatMap(t));return t(e)},w=z,A=Symbol("PROXY_MARKER"),G=async(e,n)=>{let t,a,i=new Set,r=new Promise((s,o)=>{t=W(async()=>{try{let c=C(),u=await e.onMessage(l=>{if(!E(l))return;let g=l;g.namespace===n.namespace&&g.sender===b.PROVIDER&&g.type===f.PONG&&g.id===c&&s()});u&&i.add(u);let p={type:f.PING,sender:b.INJECTOR,id:c,path:[],meta:{},namespace:n.namespace,timeStamp:Date.now()};e.sendMessage(p,n.transfer?w(p):[])}catch(c){o(c)}},n.heartbeatInterval)}),m=new Promise((s,o)=>{let c=setTimeout(()=>o(Error(`Provider unavailable: heartbeat check timeout ${n.heartbeatTimeout}ms.`)),n.heartbeatTimeout);a=()=>clearTimeout(c)});await Promise.race([r,m]).finally(()=>{t(),a(),i.forEach(s=>s()),i.clear()})},j=(e,n,t)=>(n.onMessage(async a=>{if(!E(a))return;let i=a;if(i.namespace===t.namespace&&i.sender===b.INJECTOR)switch(i.type){case f.PING:{let r={type:f.PONG,sender:b.PROVIDER,id:i.id,path:i.path,meta:i.meta,namespace:t.namespace,timeStamp:Date.now()};n.sendMessage(r,t.transfer?w(r):[]);break}case f.APPLY:{try{let m=i.args?.map(s=>i.callbackIds?.includes(s)?(...o)=>{let c={type:f.CALLBACK,sender:b.PROVIDER,id:s,path:i.path,meta:i.meta,data:o,namespace:t.namespace,timeStamp:Date.now()};n.sendMessage(c,t.transfer?w(c):[])}:s);i.data=await(i.path?.reduce((s,o)=>s[o],e)).apply(e,m||[])}catch(m){i.error=m.message}let r={type:f.APPLY,sender:b.PROVIDER,id:i.id,path:i.path,data:i.data,error:i.error,meta:i.meta,namespace:t.namespace,timeStamp:Date.now()};n.sendMessage(r,t.transfer?w(r):[]);break}}}),e),q=(e,n,t)=>{let a=(i,r)=>new Proxy(i,{get(s,o,c){if(s[A])return Reflect.get(s,o,c);let u=()=>{};return u[A]=!0,a(u,[...r,o])},apply(s,o,c){return new Promise(async(u,p)=>{try{t.heartbeatCheck&&await G(n,t);let l=[],g=c.map(y=>{if(typeof y=="function"){let h=C();return l.push(h),n.onMessage(L=>{if(!E(L))return;let k=L;k.namespace===t.namespace&&k.sender===b.PROVIDER&&k.type===f.CALLBACK&&k.id===h&&y(...k.data)}),h}else return y}),D=C(),U=await n.onMessage(y=>{if(!E(y))return;let h=y;h.namespace===t.namespace&&h.sender===b.PROVIDER&&h.type===f.APPLY&&h.id===D&&(h.error?p(Error(h.error)):u(h.data),U?.())}),M={type:f.APPLY,sender:b.INJECTOR,id:D,path:r,args:g,meta:{},callbackIds:l,timeStamp:Date.now(),namespace:t.namespace};n.sendMessage(M,t.transfer?w(M):[])}catch(l){p(l)}})}});return a(e,[])},$=(e,n)=>{let t;return(a,...i)=>t??=j(e(...i),a,n)},X=(e,n)=>{let t;return a=>t??=q(n.backup?Object.freeze(e()):{},a,n)},P=(e,n)=>{let t={namespace:n?.namespace??"__comctx__",heartbeatCheck:n?.heartbeatCheck??!0,heartbeatInterval:n?.heartbeatInterval??300,heartbeatTimeout:n?.heartbeatTimeout??1e3,transfer:n?.transfer??!1,backup:n?.backup??!1};if(t.heartbeatTimeout<=t.heartbeatInterval)throw Error(`Invalid heartbeat config: timeout (${t.heartbeatTimeout}ms) must exceed interval (${t.heartbeatInterval}ms).`);return[$(e,t),X(e,t)]};var R=Symbol("worker");var Q=class{worker;constructor(e){this.worker=e}sendMessage=(e,n)=>{this.worker.postMessage(e,n)};onMessage=e=>{let n=t=>e(t.data);return this.worker.addEventListener("message",n),()=>this.worker.removeEventListener("message",n)}},S=new WeakMap;function x(e,n){e.failure??=n;for(let t of e.pendingRejects)t(e.failure);e.pendingRejects.clear()}function _(e){let[,n]=P(()=>({}),{namespace:"__wordpress_worker__",heartbeatCheck:!1,transfer:!0}),t=n(new Q(e)),a=s=>{let o=s.message;x(r,new Error(o?`Worker error: ${o}`:"Worker error: the worker crashed or failed to load."))},i=()=>{x(r,new Error("Worker error: a message could not be deserialized."))};e.addEventListener("error",a),e.addEventListener("messageerror",i);let r={worker:e,pendingRejects:new Set,removeListeners:()=>{e.removeEventListener("error",a),e.removeEventListener("messageerror",i)}},m=new Proxy(t,{get(s,o){if(o===R)return e;let c=Reflect.get(s,o);return typeof c!="function"?c:(...u)=>r.failure?Promise.reject(r.failure):new Promise((p,l)=>{r.pendingRejects.add(l),Promise.resolve().then(()=>c(...u)).then(g=>{r.pendingRejects.delete(l),p(g)},g=>{r.pendingRejects.delete(l),l(g)})})}});return S.set(m,r),m}function I(e){let n=S.get(e);n&&(x(n,new Error("Worker was terminated.")),n.removeListeners(),S.delete(e),n.worker.terminate())}var O=`// node_modules/comctx/core/dist/index.js |
| 2 |
var e = { APPLY: \`apply\`, CALLBACK: \`callback\`, PING: \`ping\`, PONG: \`pong\` }; |
| 3 |
var t = { PROVIDER: \`provider\`, INJECTOR: \`injector\` }; |
| 4 |
var n = (n2) => { |
| 5 |
let r2 = !!n2?.type && Object.values(e).includes(n2.type), i2 = !!n2?.id && typeof n2.id == \`string\`, a2 = !!n2?.path && Array.isArray(n2.path) && n2.path.every((e2) => typeof e2 == \`string\`), o2 = !!n2?.sender && Object.values(t).includes(n2.sender), s2 = n2?.callbackIds === void 0 || Array.isArray(n2.callbackIds) && n2.callbackIds.every((e2) => typeof e2 == \`string\`), c2 = n2?.args === void 0 || Array.isArray(n2.args), l2 = n2?.error === void 0 || typeof n2.error == \`string\`, u2 = !!n2?.meta && n2.meta !== null && typeof n2.meta == \`object\`, d2 = !!n2?.namespace && typeof n2.namespace == \`string\`, f2 = !!n2?.timeStamp && typeof n2.timeStamp == \`number\`; |
| 6 |
return r2 && i2 && a2 && o2 && s2 && c2 && l2 && u2 && d2 && f2; |
| 7 |
}; |
| 8 |
var r = () => [...[, , , ,]].map(() => Math.floor(Math.random() * (2 ** 53 - 1)).toString(16)).join(\`-\`); |
| 9 |
var i = r; |
| 10 |
var a = (e2, t2, ...n2) => { |
| 11 |
let r2 = setTimeout(() => { |
| 12 |
clearTimeout(r2), e2(...n2), r2 = setInterval(e2, t2, ...n2); |
| 13 |
}, 0); |
| 14 |
return () => clearInterval(r2); |
| 15 |
}; |
| 16 |
var o = a; |
| 17 |
var s = (e2, t2) => t2 !== void 0 && e2 instanceof t2; |
| 18 |
var c = s; |
| 19 |
var l = (e2) => { |
| 20 |
let t2 = /* @__PURE__ */ new WeakSet(), n2 = (e3) => !e3 || typeof e3 != \`object\` || t2.has(e3) ? [] : (t2.add(e3), c(e3, globalThis.ArrayBuffer) || c(e3, globalThis.MessagePort) || c(e3, globalThis.ImageBitmap) || c(e3, globalThis.OffscreenCanvas) || c(e3, globalThis.AudioData) || c(e3, globalThis.VideoFrame) || c(e3, globalThis.RTCDataChannel) || c(e3, globalThis.MediaSourceHandle) || c(e3, globalThis.MIDIAccess) || c(e3, globalThis.MediaStreamTrack) || c(e3, globalThis.ReadableStream) || c(e3, globalThis.WritableStream) || c(e3, globalThis.TransformStream) ? [e3] : Array.isArray(e3) ? e3.flatMap(n2) : Object.values(e3).flatMap(n2)); |
| 21 |
return n2(e2); |
| 22 |
}; |
| 23 |
var u = l; |
| 24 |
var d = /* @__PURE__ */ Symbol(\`PROXY_MARKER\`); |
| 25 |
var f = async (r2, a2) => { |
| 26 |
let s2, c2, l2 = /* @__PURE__ */ new Set(), d2 = new Promise((c3, d3) => { |
| 27 |
s2 = o(async () => { |
| 28 |
try { |
| 29 |
let o2 = i(), s3 = await r2.onMessage((r3) => { |
| 30 |
if (!n(r3)) return; |
| 31 |
let i2 = r3; |
| 32 |
i2.namespace === a2.namespace && i2.sender === t.PROVIDER && i2.type === e.PONG && i2.id === o2 && c3(); |
| 33 |
}); |
| 34 |
s3 && l2.add(s3); |
| 35 |
let d4 = { type: e.PING, sender: t.INJECTOR, id: o2, path: [], meta: {}, namespace: a2.namespace, timeStamp: Date.now() }; |
| 36 |
r2.sendMessage(d4, a2.transfer ? u(d4) : []); |
| 37 |
} catch (e2) { |
| 38 |
d3(e2); |
| 39 |
} |
| 40 |
}, a2.heartbeatInterval); |
| 41 |
}), f2 = new Promise((e2, t2) => { |
| 42 |
let n2 = setTimeout(() => t2(Error(\`Provider unavailable: heartbeat check timeout \${a2.heartbeatTimeout}ms.\`)), a2.heartbeatTimeout); |
| 43 |
c2 = () => clearTimeout(n2); |
| 44 |
}); |
| 45 |
await Promise.race([d2, f2]).finally(() => { |
| 46 |
s2(), c2(), l2.forEach((e2) => e2()), l2.clear(); |
| 47 |
}); |
| 48 |
}; |
| 49 |
var p = (r2, i2, a2) => (i2.onMessage(async (o2) => { |
| 50 |
if (!n(o2)) return; |
| 51 |
let s2 = o2; |
| 52 |
if (s2.namespace === a2.namespace && s2.sender === t.INJECTOR) switch (s2.type) { |
| 53 |
case e.PING: { |
| 54 |
let n2 = { type: e.PONG, sender: t.PROVIDER, id: s2.id, path: s2.path, meta: s2.meta, namespace: a2.namespace, timeStamp: Date.now() }; |
| 55 |
i2.sendMessage(n2, a2.transfer ? u(n2) : []); |
| 56 |
break; |
| 57 |
} |
| 58 |
case e.APPLY: { |
| 59 |
try { |
| 60 |
let n3 = s2.args?.map((n4) => s2.callbackIds?.includes(n4) ? (...r3) => { |
| 61 |
let o3 = { type: e.CALLBACK, sender: t.PROVIDER, id: n4, path: s2.path, meta: s2.meta, data: r3, namespace: a2.namespace, timeStamp: Date.now() }; |
| 62 |
i2.sendMessage(o3, a2.transfer ? u(o3) : []); |
| 63 |
} : n4); |
| 64 |
s2.data = await (s2.path?.reduce((e2, t2) => e2[t2], r2)).apply(r2, n3 || []); |
| 65 |
} catch (e2) { |
| 66 |
s2.error = e2.message; |
| 67 |
} |
| 68 |
let n2 = { type: e.APPLY, sender: t.PROVIDER, id: s2.id, path: s2.path, data: s2.data, error: s2.error, meta: s2.meta, namespace: a2.namespace, timeStamp: Date.now() }; |
| 69 |
i2.sendMessage(n2, a2.transfer ? u(n2) : []); |
| 70 |
break; |
| 71 |
} |
| 72 |
} |
| 73 |
}), r2); |
| 74 |
var m = (r2, a2, o2) => { |
| 75 |
let s2 = (r3, c2) => { |
| 76 |
let l2 = new Proxy(r3, { get(e2, t2, n2) { |
| 77 |
if (e2[d]) return Reflect.get(e2, t2, n2); |
| 78 |
let r4 = () => { |
| 79 |
}; |
| 80 |
return r4[d] = true, s2(r4, [...c2, t2]); |
| 81 |
}, apply(r4, s3, l3) { |
| 82 |
return new Promise(async (r5, s4) => { |
| 83 |
try { |
| 84 |
o2.heartbeatCheck && await f(a2, o2); |
| 85 |
let d2 = [], p2 = l3.map((r6) => { |
| 86 |
if (typeof r6 == \`function\`) { |
| 87 |
let s5 = i(); |
| 88 |
return d2.push(s5), a2.onMessage((i2) => { |
| 89 |
if (!n(i2)) return; |
| 90 |
let a3 = i2; |
| 91 |
a3.namespace === o2.namespace && a3.sender === t.PROVIDER && a3.type === e.CALLBACK && a3.id === s5 && r6(...a3.data); |
| 92 |
}), s5; |
| 93 |
} else return r6; |
| 94 |
}), m2 = i(), h2 = await a2.onMessage((i2) => { |
| 95 |
if (!n(i2)) return; |
| 96 |
let a3 = i2; |
| 97 |
a3.namespace === o2.namespace && a3.sender === t.PROVIDER && a3.type === e.APPLY && a3.id === m2 && (a3.error ? s4(Error(a3.error)) : r5(a3.data), h2?.()); |
| 98 |
}), g2 = { type: e.APPLY, sender: t.INJECTOR, id: m2, path: c2, args: p2, meta: {}, callbackIds: d2, timeStamp: Date.now(), namespace: o2.namespace }; |
| 99 |
a2.sendMessage(g2, o2.transfer ? u(g2) : []); |
| 100 |
} catch (e2) { |
| 101 |
s4(e2); |
| 102 |
} |
| 103 |
}); |
| 104 |
} }); |
| 105 |
return l2; |
| 106 |
}; |
| 107 |
return s2(r2, []); |
| 108 |
}; |
| 109 |
var h = (e2, t2) => { |
| 110 |
let n2; |
| 111 |
return (r2, ...i2) => n2 ??= p(e2(...i2), r2, t2); |
| 112 |
}; |
| 113 |
var g = (e2, t2) => { |
| 114 |
let n2; |
| 115 |
return (r2) => n2 ??= m(t2.backup ? Object.freeze(e2()) : {}, r2, t2); |
| 116 |
}; |
| 117 |
var _ = (e2, t2) => { |
| 118 |
let n2 = { namespace: t2?.namespace ?? \`__comctx__\`, heartbeatCheck: t2?.heartbeatCheck ?? true, heartbeatInterval: t2?.heartbeatInterval ?? 300, heartbeatTimeout: t2?.heartbeatTimeout ?? 1e3, transfer: t2?.transfer ?? false, backup: t2?.backup ?? false }; |
| 119 |
if (n2.heartbeatTimeout <= n2.heartbeatInterval) throw Error(\`Invalid heartbeat config: timeout (\${n2.heartbeatTimeout}ms) must exceed interval (\${n2.heartbeatInterval}ms).\`); |
| 120 |
return [h(e2, n2), g(e2, n2)]; |
| 121 |
}; |
| 122 |
|
| 123 |
// packages/worker-threads/build-module/worker-thread.mjs |
| 124 |
var WorkerProvideAdapter = class { |
| 125 |
sendMessage = (message, transfer) => { |
| 126 |
self.postMessage(message, { transfer }); |
| 127 |
}; |
| 128 |
onMessage = (callback) => { |
| 129 |
const handler = (event) => callback(event.data); |
| 130 |
self.addEventListener("message", handler); |
| 131 |
return () => self.removeEventListener("message", handler); |
| 132 |
}; |
| 133 |
}; |
| 134 |
function normalizeThrowable(error) { |
| 135 |
if (error instanceof Error && error.message) { |
| 136 |
return error; |
| 137 |
} |
| 138 |
let message = ""; |
| 139 |
try { |
| 140 |
message = String(error); |
| 141 |
} catch { |
| 142 |
} |
| 143 |
return new Error(message || "Unknown error in worker thread"); |
| 144 |
} |
| 145 |
function withNormalizedErrors(target) { |
| 146 |
const wrapped = {}; |
| 147 |
for (const key of Object.keys(target)) { |
| 148 |
const value = target[key]; |
| 149 |
if (typeof value !== "function") { |
| 150 |
wrapped[key] = value; |
| 151 |
continue; |
| 152 |
} |
| 153 |
wrapped[key] = async (...args) => { |
| 154 |
try { |
| 155 |
return await value.apply(target, args); |
| 156 |
} catch (error) { |
| 157 |
throw normalizeThrowable(error); |
| 158 |
} |
| 159 |
}; |
| 160 |
} |
| 161 |
return wrapped; |
| 162 |
} |
| 163 |
function expose(target) { |
| 164 |
const [provide] = _(() => withNormalizedErrors(target), { |
| 165 |
namespace: "__wordpress_worker__", |
| 166 |
heartbeatCheck: false, |
| 167 |
transfer: true |
| 168 |
}); |
| 169 |
provide(new WorkerProvideAdapter()); |
| 170 |
} |
| 171 |
|
| 172 |
// node_modules/mediabunny/dist/modules/src/misc.js |
| 173 |
function assert(x) { |
| 174 |
if (!x) { |
| 175 |
throw new Error("Assertion failed."); |
| 176 |
} |
| 177 |
} |
| 178 |
var normalizeRotation = (rotation) => { |
| 179 |
const mappedRotation = (rotation % 360 + 360) % 360; |
| 180 |
if (mappedRotation === 0 || mappedRotation === 90 || mappedRotation === 180 || mappedRotation === 270) { |
| 181 |
return mappedRotation; |
| 182 |
} else { |
| 183 |
throw new Error(\`Invalid rotation \${rotation}.\`); |
| 184 |
} |
| 185 |
}; |
| 186 |
var last = (arr) => { |
| 187 |
return arr && arr[arr.length - 1]; |
| 188 |
}; |
| 189 |
var isU32 = (value) => { |
| 190 |
return value >= 0 && value < 2 ** 32; |
| 191 |
}; |
| 192 |
var readExpGolomb = (bitstream) => { |
| 193 |
let leadingZeroBits = 0; |
| 194 |
while (bitstream.readBits(1) === 0 && leadingZeroBits < 32) { |
| 195 |
leadingZeroBits++; |
| 196 |
} |
| 197 |
if (leadingZeroBits >= 32) { |
| 198 |
throw new Error("Invalid exponential-Golomb code."); |
| 199 |
} |
| 200 |
const result = (1 << leadingZeroBits) - 1 + bitstream.readBits(leadingZeroBits); |
| 201 |
return result; |
| 202 |
}; |
| 203 |
var readSignedExpGolomb = (bitstream) => { |
| 204 |
const codeNum = readExpGolomb(bitstream); |
| 205 |
return (codeNum & 1) === 0 ? -(codeNum >> 1) : codeNum + 1 >> 1; |
| 206 |
}; |
| 207 |
var writeBits = (bytes2, start, end, value) => { |
| 208 |
for (let i2 = start; i2 < end; i2++) { |
| 209 |
const byteIndex = Math.floor(i2 / 8); |
| 210 |
let byte = bytes2[byteIndex]; |
| 211 |
const bitIndex = 7 - (i2 & 7); |
| 212 |
byte &= ~(1 << bitIndex); |
| 213 |
byte |= (value & 1 << end - i2 - 1) >> end - i2 - 1 << bitIndex; |
| 214 |
bytes2[byteIndex] = byte; |
| 215 |
} |
| 216 |
}; |
| 217 |
var toUint8Array = (source) => { |
| 218 |
if (source.constructor === Uint8Array) { |
| 219 |
return source; |
| 220 |
} else if (ArrayBuffer.isView(source)) { |
| 221 |
return new Uint8Array(source.buffer, source.byteOffset, source.byteLength); |
| 222 |
} else { |
| 223 |
return new Uint8Array(source); |
| 224 |
} |
| 225 |
}; |
| 226 |
var toDataView = (source) => { |
| 227 |
if (source.constructor === DataView) { |
| 228 |
return source; |
| 229 |
} else if (ArrayBuffer.isView(source)) { |
| 230 |
return new DataView(source.buffer, source.byteOffset, source.byteLength); |
| 231 |
} else { |
| 232 |
return new DataView(source); |
| 233 |
} |
| 234 |
}; |
| 235 |
var textEncoder = /* @__PURE__ */ new TextEncoder(); |
| 236 |
var COLOR_PRIMARIES_MAP = { |
| 237 |
bt709: 1, |
| 238 |
// ITU-R BT.709 |
| 239 |
bt470bg: 5, |
| 240 |
// ITU-R BT.470BG |
| 241 |
smpte170m: 6, |
| 242 |
// ITU-R BT.601 525 - SMPTE 170M |
| 243 |
bt2020: 9, |
| 244 |
// ITU-R BT.202 |
| 245 |
smpte432: 12 |
| 246 |
// SMPTE EG 432-1 |
| 247 |
}; |
| 248 |
var TRANSFER_CHARACTERISTICS_MAP = { |
| 249 |
"bt709": 1, |
| 250 |
// ITU-R BT.709 |
| 251 |
"smpte170m": 6, |
| 252 |
// SMPTE 170M |
| 253 |
"linear": 8, |
| 254 |
// Linear transfer characteristics |
| 255 |
"iec61966-2-1": 13, |
| 256 |
// IEC 61966-2-1 |
| 257 |
"pq": 16, |
| 258 |
// Rec. ITU-R BT.2100-2 perceptual quantization (PQ) system |
| 259 |
"hlg": 18 |
| 260 |
// Rec. ITU-R BT.2100-2 hybrid loggamma (HLG) system |
| 261 |
}; |
| 262 |
var MATRIX_COEFFICIENTS_MAP = { |
| 263 |
"rgb": 0, |
| 264 |
// Identity |
| 265 |
"bt709": 1, |
| 266 |
// ITU-R BT.709 |
| 267 |
"bt470bg": 5, |
| 268 |
// ITU-R BT.470BG |
| 269 |
"smpte170m": 6, |
| 270 |
// SMPTE 170M |
| 271 |
"bt2020-ncl": 9 |
| 272 |
// ITU-R BT.2020-2 (non-constant luminance) |
| 273 |
}; |
| 274 |
var colorSpaceIsComplete = (colorSpace) => { |
| 275 |
return !!colorSpace && !!colorSpace.primaries && !!colorSpace.transfer && !!colorSpace.matrix && colorSpace.fullRange !== void 0; |
| 276 |
}; |
| 277 |
var isAllowSharedBufferSource = (x) => { |
| 278 |
return x instanceof ArrayBuffer || typeof SharedArrayBuffer !== "undefined" && x instanceof SharedArrayBuffer || ArrayBuffer.isView(x); |
| 279 |
}; |
| 280 |
var AsyncMutex = class { |
| 281 |
constructor() { |
| 282 |
this.currentPromise = Promise.resolve(); |
| 283 |
this.pending = 0; |
| 284 |
} |
| 285 |
async acquire() { |
| 286 |
let resolver; |
| 287 |
const nextPromise = new Promise((resolve) => { |
| 288 |
let resolved = false; |
| 289 |
resolver = () => { |
| 290 |
if (resolved) { |
| 291 |
return; |
| 292 |
} |
| 293 |
resolve(); |
| 294 |
this.pending--; |
| 295 |
resolved = true; |
| 296 |
}; |
| 297 |
}); |
| 298 |
const currentPromiseAlias = this.currentPromise; |
| 299 |
this.currentPromise = nextPromise; |
| 300 |
this.pending++; |
| 301 |
await currentPromiseAlias; |
| 302 |
return resolver; |
| 303 |
} |
| 304 |
}; |
| 305 |
var binarySearchLessOrEqual = (arr, key, valueGetter) => { |
| 306 |
let low = 0; |
| 307 |
let high = arr.length - 1; |
| 308 |
let ans = -1; |
| 309 |
while (low <= high) { |
| 310 |
const mid = low + (high - low + 1) / 2 | 0; |
| 311 |
const midVal = valueGetter(arr[mid]); |
| 312 |
if (midVal <= key) { |
| 313 |
ans = mid; |
| 314 |
low = mid + 1; |
| 315 |
} else { |
| 316 |
high = mid - 1; |
| 317 |
} |
| 318 |
} |
| 319 |
return ans; |
| 320 |
}; |
| 321 |
var promiseWithResolvers = () => { |
| 322 |
let resolve; |
| 323 |
let reject; |
| 324 |
const promise = new Promise((res, rej) => { |
| 325 |
resolve = res; |
| 326 |
reject = rej; |
| 327 |
}); |
| 328 |
return { promise, resolve, reject }; |
| 329 |
}; |
| 330 |
var assertNever = (x) => { |
| 331 |
throw new Error(\`Unexpected value: \${x}\`); |
| 332 |
}; |
| 333 |
var getUint24 = (view2, byteOffset, littleEndian) => { |
| 334 |
const byte1 = view2.getUint8(byteOffset); |
| 335 |
const byte2 = view2.getUint8(byteOffset + 1); |
| 336 |
const byte3 = view2.getUint8(byteOffset + 2); |
| 337 |
if (littleEndian) { |
| 338 |
return byte1 | byte2 << 8 | byte3 << 16; |
| 339 |
} else { |
| 340 |
return byte1 << 16 | byte2 << 8 | byte3; |
| 341 |
} |
| 342 |
}; |
| 343 |
var setUint24 = (view2, byteOffset, value, littleEndian) => { |
| 344 |
value = value >>> 0; |
| 345 |
value = value & 16777215; |
| 346 |
if (littleEndian) { |
| 347 |
view2.setUint8(byteOffset, value & 255); |
| 348 |
view2.setUint8(byteOffset + 1, value >>> 8 & 255); |
| 349 |
view2.setUint8(byteOffset + 2, value >>> 16 & 255); |
| 350 |
} else { |
| 351 |
view2.setUint8(byteOffset, value >>> 16 & 255); |
| 352 |
view2.setUint8(byteOffset + 1, value >>> 8 & 255); |
| 353 |
view2.setUint8(byteOffset + 2, value & 255); |
| 354 |
} |
| 355 |
}; |
| 356 |
var UNDETERMINED_LANGUAGE = "und"; |
| 357 |
var roundToMultiple = (value, multiple) => { |
| 358 |
return Math.round(value / multiple) * multiple; |
| 359 |
}; |
| 360 |
var roundToDivisor = (value, multiple) => { |
| 361 |
return Math.round(value * multiple) / multiple; |
| 362 |
}; |
| 363 |
var floorToDivisor = (value, multiple) => { |
| 364 |
return Math.floor(value * multiple) / multiple; |
| 365 |
}; |
| 366 |
var ISO_639_2_REGEX = /^[a-z]{3}$/; |
| 367 |
var isIso639Dash2LanguageCode = (x) => { |
| 368 |
return ISO_639_2_REGEX.test(x); |
| 369 |
}; |
| 370 |
var SECOND_TO_MICROSECOND_FACTOR = 1e6 * (1 + Number.EPSILON); |
| 371 |
var computeRationalApproximation = (x, maxDenominator) => { |
| 372 |
const sign = x < 0 ? -1 : 1; |
| 373 |
x = Math.abs(x); |
| 374 |
let prevNumerator = 0, prevDenominator = 1; |
| 375 |
let currNumerator = 1, currDenominator = 0; |
| 376 |
let remainder = x; |
| 377 |
while (true) { |
| 378 |
const integer = Math.floor(remainder); |
| 379 |
const nextNumerator = integer * currNumerator + prevNumerator; |
| 380 |
const nextDenominator = integer * currDenominator + prevDenominator; |
| 381 |
if (nextDenominator > maxDenominator) { |
| 382 |
return { |
| 383 |
num: sign * currNumerator, |
| 384 |
den: currDenominator |
| 385 |
}; |
| 386 |
} |
| 387 |
prevNumerator = currNumerator; |
| 388 |
prevDenominator = currDenominator; |
| 389 |
currNumerator = nextNumerator; |
| 390 |
currDenominator = nextDenominator; |
| 391 |
remainder = 1 / (remainder - integer); |
| 392 |
if (!isFinite(remainder)) { |
| 393 |
break; |
| 394 |
} |
| 395 |
} |
| 396 |
return { |
| 397 |
num: sign * currNumerator, |
| 398 |
den: currDenominator |
| 399 |
}; |
| 400 |
}; |
| 401 |
var CallSerializer = class { |
| 402 |
constructor() { |
| 403 |
this.currentPromise = Promise.resolve(); |
| 404 |
} |
| 405 |
call(fn) { |
| 406 |
return this.currentPromise = this.currentPromise.then(fn); |
| 407 |
} |
| 408 |
}; |
| 409 |
var isFirefoxCache = null; |
| 410 |
var isFirefox = () => { |
| 411 |
if (isFirefoxCache !== null) { |
| 412 |
return isFirefoxCache; |
| 413 |
} |
| 414 |
return isFirefoxCache = typeof navigator !== "undefined" && navigator.userAgent?.includes("Firefox"); |
| 415 |
}; |
| 416 |
var isChromiumCache = null; |
| 417 |
var isChromium = () => { |
| 418 |
if (isChromiumCache !== null) { |
| 419 |
return isChromiumCache; |
| 420 |
} |
| 421 |
return isChromiumCache = !!(typeof navigator !== "undefined" && (navigator.vendor?.includes("Google Inc") || /Chrome/.test(navigator.userAgent))); |
| 422 |
}; |
| 423 |
var chromiumVersionCache = null; |
| 424 |
var getChromiumVersion = () => { |
| 425 |
if (chromiumVersionCache !== null) { |
| 426 |
return chromiumVersionCache; |
| 427 |
} |
| 428 |
if (typeof navigator === "undefined") { |
| 429 |
return null; |
| 430 |
} |
| 431 |
const match = /\\bChrome\\/(\\d+)/.exec(navigator.userAgent); |
| 432 |
if (!match) { |
| 433 |
return null; |
| 434 |
} |
| 435 |
return chromiumVersionCache = Number(match[1]); |
| 436 |
}; |
| 437 |
var keyValueIterator = function* (object) { |
| 438 |
for (const key in object) { |
| 439 |
const value = object[key]; |
| 440 |
if (value === void 0) { |
| 441 |
continue; |
| 442 |
} |
| 443 |
yield { key, value }; |
| 444 |
} |
| 445 |
}; |
| 446 |
var imageMimeTypeToExtension = (mimeType) => { |
| 447 |
switch (mimeType.toLowerCase()) { |
| 448 |
case "image/jpeg": |
| 449 |
case "image/jpg": |
| 450 |
return ".jpg"; |
| 451 |
case "image/png": |
| 452 |
return ".png"; |
| 453 |
case "image/gif": |
| 454 |
return ".gif"; |
| 455 |
case "image/webp": |
| 456 |
return ".webp"; |
| 457 |
case "image/bmp": |
| 458 |
return ".bmp"; |
| 459 |
case "image/svg+xml": |
| 460 |
return ".svg"; |
| 461 |
case "image/tiff": |
| 462 |
return ".tiff"; |
| 463 |
case "image/avif": |
| 464 |
return ".avif"; |
| 465 |
case "image/x-icon": |
| 466 |
case "image/vnd.microsoft.icon": |
| 467 |
return ".ico"; |
| 468 |
default: |
| 469 |
return null; |
| 470 |
} |
| 471 |
}; |
| 472 |
var uint8ArraysAreEqual = (a2, b) => { |
| 473 |
if (a2.length !== b.length) { |
| 474 |
return false; |
| 475 |
} |
| 476 |
for (let i2 = 0; i2 < a2.length; i2++) { |
| 477 |
if (a2[i2] !== b[i2]) { |
| 478 |
return false; |
| 479 |
} |
| 480 |
} |
| 481 |
return true; |
| 482 |
}; |
| 483 |
var polyfillSymbolDispose = () => { |
| 484 |
Symbol.dispose ??= /* @__PURE__ */ Symbol("Symbol.dispose"); |
| 485 |
}; |
| 486 |
var arrayArgmin = (array, getValue) => { |
| 487 |
let minIndex = -1; |
| 488 |
let minValue = Infinity; |
| 489 |
for (let i2 = 0; i2 < array.length; i2++) { |
| 490 |
const value = getValue(array[i2]); |
| 491 |
if (value < minValue) { |
| 492 |
minValue = value; |
| 493 |
minIndex = i2; |
| 494 |
} |
| 495 |
} |
| 496 |
return minIndex; |
| 497 |
}; |
| 498 |
var simplifyRational = (rational) => { |
| 499 |
assert(Number.isInteger(rational.num)); |
| 500 |
assert(Number.isInteger(rational.den)); |
| 501 |
assert(rational.den !== 0); |
| 502 |
let a2 = Math.abs(rational.num); |
| 503 |
let b = Math.abs(rational.den); |
| 504 |
while (b !== 0) { |
| 505 |
const t2 = a2 % b; |
| 506 |
a2 = b; |
| 507 |
b = t2; |
| 508 |
} |
| 509 |
const gcd = a2 || 1; |
| 510 |
return { |
| 511 |
num: rational.num / gcd, |
| 512 |
den: rational.den / gcd |
| 513 |
}; |
| 514 |
}; |
| 515 |
var validateRectangle = (rect, propertyPath) => { |
| 516 |
if (typeof rect !== "object" || !rect) { |
| 517 |
throw new TypeError(\`\${propertyPath} must be an object.\`); |
| 518 |
} |
| 519 |
if (!Number.isInteger(rect.left) || rect.left < 0) { |
| 520 |
throw new TypeError(\`\${propertyPath}.left must be a non-negative integer.\`); |
| 521 |
} |
| 522 |
if (!Number.isInteger(rect.top) || rect.top < 0) { |
| 523 |
throw new TypeError(\`\${propertyPath}.top must be a non-negative integer.\`); |
| 524 |
} |
| 525 |
if (!Number.isInteger(rect.width) || rect.width < 0) { |
| 526 |
throw new TypeError(\`\${propertyPath}.width must be a non-negative integer.\`); |
| 527 |
} |
| 528 |
if (!Number.isInteger(rect.height) || rect.height < 0) { |
| 529 |
throw new TypeError(\`\${propertyPath}.height must be a non-negative integer.\`); |
| 530 |
} |
| 531 |
}; |
| 532 |
var toArray = (x) => { |
| 533 |
if (Array.isArray(x)) { |
| 534 |
return x; |
| 535 |
} else { |
| 536 |
return [x]; |
| 537 |
} |
| 538 |
}; |
| 539 |
var EventEmitter = class { |
| 540 |
constructor() { |
| 541 |
this._listeners = /* @__PURE__ */ new Map(); |
| 542 |
} |
| 543 |
/** Registers a listener for the given event. Returns a function that, when called, removes the listener again. */ |
| 544 |
on(event, listener, options) { |
| 545 |
if (!this._listeners.has(event)) { |
| 546 |
this._listeners.set(event, /* @__PURE__ */ new Set()); |
| 547 |
} |
| 548 |
const entry = { fn: listener, once: options?.once ?? false }; |
| 549 |
this._listeners.get(event).add(entry); |
| 550 |
return () => { |
| 551 |
this._listeners.get(event)?.delete(entry); |
| 552 |
}; |
| 553 |
} |
| 554 |
/** @internal */ |
| 555 |
_emit(...args) { |
| 556 |
const [event, data] = args; |
| 557 |
const listeners = this._listeners.get(event); |
| 558 |
if (!listeners) { |
| 559 |
return; |
| 560 |
} |
| 561 |
for (const entry of listeners) { |
| 562 |
try { |
| 563 |
entry.fn(data); |
| 564 |
} catch (error) { |
| 565 |
console.error(error); |
| 566 |
} |
| 567 |
if (entry.once) { |
| 568 |
listeners.delete(entry); |
| 569 |
} |
| 570 |
} |
| 571 |
} |
| 572 |
}; |
| 573 |
var isRecordStringString = (value) => { |
| 574 |
return value !== null && typeof value === "object" && Object.getPrototypeOf(value) === Object.prototype && Object.values(value).every((x) => typeof x === "string"); |
| 575 |
}; |
| 576 |
|
| 577 |
// node_modules/mediabunny/dist/modules/src/logging.js |
| 578 |
var LogLevel; |
| 579 |
(function(LogLevel2) { |
| 580 |
LogLevel2[LogLevel2["Silent"] = 0] = "Silent"; |
| 581 |
LogLevel2[LogLevel2["Errors"] = 1] = "Errors"; |
| 582 |
LogLevel2[LogLevel2["Warnings"] = 2] = "Warnings"; |
| 583 |
LogLevel2[LogLevel2["Info"] = 3] = "Info"; |
| 584 |
})(LogLevel || (LogLevel = {})); |
| 585 |
var Logging = class _Logging { |
| 586 |
constructor() { |
| 587 |
} |
| 588 |
/** The current log level. Defaults to {@link LogLevel.Info}. */ |
| 589 |
static get level() { |
| 590 |
return _Logging._level; |
| 591 |
} |
| 592 |
static set level(value) { |
| 593 |
if (value !== LogLevel.Silent && value !== LogLevel.Errors && value !== LogLevel.Warnings && value !== LogLevel.Info) { |
| 594 |
throw new TypeError("Invalid log level. Use one of the values of the LogLevel enum."); |
| 595 |
} |
| 596 |
_Logging._level = value; |
| 597 |
} |
| 598 |
/** @internal */ |
| 599 |
static get _emitter() { |
| 600 |
return _Logging._emitterInstance ??= new EventEmitter(); |
| 601 |
} |
| 602 |
/** Registers a listener for a log event. Returns a function that, when called, removes the listener again. */ |
| 603 |
static on(event, listener, options) { |
| 604 |
return _Logging._emitter.on(event, listener, options); |
| 605 |
} |
| 606 |
/** @internal */ |
| 607 |
static _error(...args) { |
| 608 |
_Logging._emitter._emit("error", args); |
| 609 |
if (_Logging._level >= LogLevel.Errors) { |
| 610 |
console.error(...args); |
| 611 |
} |
| 612 |
} |
| 613 |
/** @internal */ |
| 614 |
static _warn(...args) { |
| 615 |
_Logging._emitter._emit("warn", args); |
| 616 |
if (_Logging._level >= LogLevel.Warnings) { |
| 617 |
console.warn(...args); |
| 618 |
} |
| 619 |
} |
| 620 |
/** @internal */ |
| 621 |
static _info(...args) { |
| 622 |
_Logging._emitter._emit("info", args); |
| 623 |
if (_Logging._level >= LogLevel.Info) { |
| 624 |
console.info(...args); |
| 625 |
} |
| 626 |
} |
| 627 |
}; |
| 628 |
Logging._level = LogLevel.Info; |
| 629 |
Logging._emitterInstance = null; |
| 630 |
|
| 631 |
// node_modules/mediabunny/dist/modules/src/metadata.js |
| 632 |
var RichImageData = class { |
| 633 |
/** Creates a new {@link RichImageData}. */ |
| 634 |
constructor(data, mimeType) { |
| 635 |
this.data = data; |
| 636 |
this.mimeType = mimeType; |
| 637 |
if (!(data instanceof Uint8Array)) { |
| 638 |
throw new TypeError("data must be a Uint8Array."); |
| 639 |
} |
| 640 |
if (typeof mimeType !== "string") { |
| 641 |
throw new TypeError("mimeType must be a string."); |
| 642 |
} |
| 643 |
} |
| 644 |
}; |
| 645 |
var AttachedFile = class { |
| 646 |
/** Creates a new {@link AttachedFile}. */ |
| 647 |
constructor(data, mimeType, name, description) { |
| 648 |
this.data = data; |
| 649 |
this.mimeType = mimeType; |
| 650 |
this.name = name; |
| 651 |
this.description = description; |
| 652 |
if (!(data instanceof Uint8Array)) { |
| 653 |
throw new TypeError("data must be a Uint8Array."); |
| 654 |
} |
| 655 |
if (mimeType !== void 0 && typeof mimeType !== "string") { |
| 656 |
throw new TypeError("mimeType, when provided, must be a string."); |
| 657 |
} |
| 658 |
if (name !== void 0 && typeof name !== "string") { |
| 659 |
throw new TypeError("name, when provided, must be a string."); |
| 660 |
} |
| 661 |
if (description !== void 0 && typeof description !== "string") { |
| 662 |
throw new TypeError("description, when provided, must be a string."); |
| 663 |
} |
| 664 |
} |
| 665 |
}; |
| 666 |
var validateMetadataTags = (tags) => { |
| 667 |
if (!tags || typeof tags !== "object") { |
| 668 |
throw new TypeError("tags must be an object."); |
| 669 |
} |
| 670 |
if (tags.title !== void 0 && typeof tags.title !== "string") { |
| 671 |
throw new TypeError("tags.title, when provided, must be a string."); |
| 672 |
} |
| 673 |
if (tags.description !== void 0 && typeof tags.description !== "string") { |
| 674 |
throw new TypeError("tags.description, when provided, must be a string."); |
| 675 |
} |
| 676 |
if (tags.artist !== void 0 && typeof tags.artist !== "string") { |
| 677 |
throw new TypeError("tags.artist, when provided, must be a string."); |
| 678 |
} |
| 679 |
if (tags.album !== void 0 && typeof tags.album !== "string") { |
| 680 |
throw new TypeError("tags.album, when provided, must be a string."); |
| 681 |
} |
| 682 |
if (tags.albumArtist !== void 0 && typeof tags.albumArtist !== "string") { |
| 683 |
throw new TypeError("tags.albumArtist, when provided, must be a string."); |
| 684 |
} |
| 685 |
if (tags.trackNumber !== void 0 && (!Number.isInteger(tags.trackNumber) || tags.trackNumber <= 0)) { |
| 686 |
throw new TypeError("tags.trackNumber, when provided, must be a positive integer."); |
| 687 |
} |
| 688 |
if (tags.tracksTotal !== void 0 && (!Number.isInteger(tags.tracksTotal) || tags.tracksTotal <= 0)) { |
| 689 |
throw new TypeError("tags.tracksTotal, when provided, must be a positive integer."); |
| 690 |
} |
| 691 |
if (tags.discNumber !== void 0 && (!Number.isInteger(tags.discNumber) || tags.discNumber <= 0)) { |
| 692 |
throw new TypeError("tags.discNumber, when provided, must be a positive integer."); |
| 693 |
} |
| 694 |
if (tags.discsTotal !== void 0 && (!Number.isInteger(tags.discsTotal) || tags.discsTotal <= 0)) { |
| 695 |
throw new TypeError("tags.discsTotal, when provided, must be a positive integer."); |
| 696 |
} |
| 697 |
if (tags.genre !== void 0 && typeof tags.genre !== "string") { |
| 698 |
throw new TypeError("tags.genre, when provided, must be a string."); |
| 699 |
} |
| 700 |
if (tags.date !== void 0 && (!(tags.date instanceof Date) || Number.isNaN(tags.date.getTime()))) { |
| 701 |
throw new TypeError("tags.date, when provided, must be a valid Date."); |
| 702 |
} |
| 703 |
if (tags.lyrics !== void 0 && typeof tags.lyrics !== "string") { |
| 704 |
throw new TypeError("tags.lyrics, when provided, must be a string."); |
| 705 |
} |
| 706 |
if (tags.images !== void 0) { |
| 707 |
if (!Array.isArray(tags.images)) { |
| 708 |
throw new TypeError("tags.images, when provided, must be an array."); |
| 709 |
} |
| 710 |
for (const image of tags.images) { |
| 711 |
if (!image || typeof image !== "object") { |
| 712 |
throw new TypeError("Each image in tags.images must be an object."); |
| 713 |
} |
| 714 |
if (!(image.data instanceof Uint8Array)) { |
| 715 |
throw new TypeError("Each image.data must be a Uint8Array."); |
| 716 |
} |
| 717 |
if (typeof image.mimeType !== "string") { |
| 718 |
throw new TypeError("Each image.mimeType must be a string."); |
| 719 |
} |
| 720 |
if (!["coverFront", "coverBack", "unknown"].includes(image.kind)) { |
| 721 |
throw new TypeError("Each image.kind must be 'coverFront', 'coverBack', or 'unknown'."); |
| 722 |
} |
| 723 |
} |
| 724 |
} |
| 725 |
if (tags.comment !== void 0 && typeof tags.comment !== "string") { |
| 726 |
throw new TypeError("tags.comment, when provided, must be a string."); |
| 727 |
} |
| 728 |
if (tags.raw !== void 0) { |
| 729 |
if (!tags.raw || typeof tags.raw !== "object") { |
| 730 |
throw new TypeError("tags.raw, when provided, must be an object."); |
| 731 |
} |
| 732 |
for (const value of Object.values(tags.raw)) { |
| 733 |
if (value !== null && typeof value !== "string" && !(value instanceof Uint8Array) && !(value instanceof RichImageData) && !(value instanceof AttachedFile) && !isRecordStringString(value)) { |
| 734 |
throw new TypeError("Each value in tags.raw must be a string, Uint8Array, RichImageData, AttachedFile, Record<string, string>, or null."); |
| 735 |
} |
| 736 |
} |
| 737 |
} |
| 738 |
}; |
| 739 |
var validateTrackDisposition = (disposition) => { |
| 740 |
if (!disposition || typeof disposition !== "object") { |
| 741 |
throw new TypeError("disposition must be an object."); |
| 742 |
} |
| 743 |
if (disposition.default !== void 0 && typeof disposition.default !== "boolean") { |
| 744 |
throw new TypeError("disposition.default must be a boolean."); |
| 745 |
} |
| 746 |
if (disposition.primary !== void 0 && typeof disposition.primary !== "boolean") { |
| 747 |
throw new TypeError("disposition.primary must be a boolean."); |
| 748 |
} |
| 749 |
if (disposition.forced !== void 0 && typeof disposition.forced !== "boolean") { |
| 750 |
throw new TypeError("disposition.forced must be a boolean."); |
| 751 |
} |
| 752 |
if (disposition.original !== void 0 && typeof disposition.original !== "boolean") { |
| 753 |
throw new TypeError("disposition.original must be a boolean."); |
| 754 |
} |
| 755 |
if (disposition.commentary !== void 0 && typeof disposition.commentary !== "boolean") { |
| 756 |
throw new TypeError("disposition.commentary must be a boolean."); |
| 757 |
} |
| 758 |
if (disposition.hearingImpaired !== void 0 && typeof disposition.hearingImpaired !== "boolean") { |
| 759 |
throw new TypeError("disposition.hearingImpaired must be a boolean."); |
| 760 |
} |
| 761 |
if (disposition.visuallyImpaired !== void 0 && typeof disposition.visuallyImpaired !== "boolean") { |
| 762 |
throw new TypeError("disposition.visuallyImpaired must be a boolean."); |
| 763 |
} |
| 764 |
}; |
| 765 |
|
| 766 |
// node_modules/mediabunny/dist/modules/shared/bitstream.js |
| 767 |
var Bitstream = class _Bitstream { |
| 768 |
constructor(bytes2) { |
| 769 |
this.bytes = bytes2; |
| 770 |
this.pos = 0; |
| 771 |
} |
| 772 |
seekToByte(byteOffset) { |
| 773 |
this.pos = 8 * byteOffset; |
| 774 |
} |
| 775 |
readBit() { |
| 776 |
const byteIndex = Math.floor(this.pos / 8); |
| 777 |
const byte = this.bytes[byteIndex] ?? 0; |
| 778 |
const bitIndex = 7 - (this.pos & 7); |
| 779 |
const bit = (byte & 1 << bitIndex) >> bitIndex; |
| 780 |
this.pos++; |
| 781 |
return bit; |
| 782 |
} |
| 783 |
readBits(n2) { |
| 784 |
if (n2 === 1) { |
| 785 |
return this.readBit(); |
| 786 |
} |
| 787 |
let result = 0; |
| 788 |
for (let i2 = 0; i2 < n2; i2++) { |
| 789 |
result <<= 1; |
| 790 |
result |= this.readBit(); |
| 791 |
} |
| 792 |
return result; |
| 793 |
} |
| 794 |
writeBits(n2, value) { |
| 795 |
const end = this.pos + n2; |
| 796 |
for (let i2 = this.pos; i2 < end; i2++) { |
| 797 |
const byteIndex = Math.floor(i2 / 8); |
| 798 |
let byte = this.bytes[byteIndex]; |
| 799 |
const bitIndex = 7 - (i2 & 7); |
| 800 |
byte &= ~(1 << bitIndex); |
| 801 |
byte |= (value & 1 << end - i2 - 1) >> end - i2 - 1 << bitIndex; |
| 802 |
this.bytes[byteIndex] = byte; |
| 803 |
} |
| 804 |
this.pos = end; |
| 805 |
} |
| 806 |
readAlignedByte() { |
| 807 |
if (this.pos % 8 !== 0) { |
| 808 |
throw new Error("Bitstream is not byte-aligned."); |
| 809 |
} |
| 810 |
const byteIndex = this.pos / 8; |
| 811 |
const byte = this.bytes[byteIndex] ?? 0; |
| 812 |
this.pos += 8; |
| 813 |
return byte; |
| 814 |
} |
| 815 |
skipBits(n2) { |
| 816 |
this.pos += n2; |
| 817 |
} |
| 818 |
getBitsLeft() { |
| 819 |
return this.bytes.length * 8 - this.pos; |
| 820 |
} |
| 821 |
clone() { |
| 822 |
const clone = new _Bitstream(this.bytes); |
| 823 |
clone.pos = this.pos; |
| 824 |
return clone; |
| 825 |
} |
| 826 |
}; |
| 827 |
|
| 828 |
// node_modules/mediabunny/dist/modules/shared/aac-misc.js |
| 829 |
var aacFrequencyTable = [ |
| 830 |
96e3, |
| 831 |
88200, |
| 832 |
64e3, |
| 833 |
48e3, |
| 834 |
44100, |
| 835 |
32e3, |
| 836 |
24e3, |
| 837 |
22050, |
| 838 |
16e3, |
| 839 |
12e3, |
| 840 |
11025, |
| 841 |
8e3, |
| 842 |
7350 |
| 843 |
]; |
| 844 |
var aacChannelMap = [-1, 1, 2, 3, 4, 5, 6, 8]; |
| 845 |
var buildAacAudioSpecificConfig = (config) => { |
| 846 |
let frequencyIndex = aacFrequencyTable.indexOf(config.sampleRate); |
| 847 |
let customSampleRate = null; |
| 848 |
if (frequencyIndex === -1) { |
| 849 |
frequencyIndex = 15; |
| 850 |
customSampleRate = config.sampleRate; |
| 851 |
} |
| 852 |
const channelConfiguration = aacChannelMap.indexOf(config.numberOfChannels); |
| 853 |
if (channelConfiguration === -1) { |
| 854 |
throw new TypeError(\`Unsupported number of channels: \${config.numberOfChannels}\`); |
| 855 |
} |
| 856 |
let bitCount = 5 + 4 + 4; |
| 857 |
if (config.objectType >= 32) { |
| 858 |
bitCount += 6; |
| 859 |
} |
| 860 |
if (frequencyIndex === 15) { |
| 861 |
bitCount += 24; |
| 862 |
} |
| 863 |
const byteCount = Math.ceil(bitCount / 8); |
| 864 |
const bytes2 = new Uint8Array(byteCount); |
| 865 |
const bitstream = new Bitstream(bytes2); |
| 866 |
if (config.objectType < 32) { |
| 867 |
bitstream.writeBits(5, config.objectType); |
| 868 |
} else { |
| 869 |
bitstream.writeBits(5, 31); |
| 870 |
bitstream.writeBits(6, config.objectType - 32); |
| 871 |
} |
| 872 |
bitstream.writeBits(4, frequencyIndex); |
| 873 |
if (frequencyIndex === 15) { |
| 874 |
bitstream.writeBits(24, customSampleRate); |
| 875 |
} |
| 876 |
bitstream.writeBits(4, channelConfiguration); |
| 877 |
return bytes2; |
| 878 |
}; |
| 879 |
|
| 880 |
// node_modules/mediabunny/dist/modules/src/codec.js |
| 881 |
var VIDEO_CODECS = [ |
| 882 |
"avc", |
| 883 |
"hevc", |
| 884 |
"vp9", |
| 885 |
"av1", |
| 886 |
"vp8" |
| 887 |
]; |
| 888 |
var PCM_AUDIO_CODECS = [ |
| 889 |
"pcm-s16", |
| 890 |
// We don't prefix 'le' so we're compatible with the WebCodecs-registered PCM codec strings |
| 891 |
"pcm-s16be", |
| 892 |
"pcm-s24", |
| 893 |
"pcm-s24be", |
| 894 |
"pcm-s32", |
| 895 |
"pcm-s32be", |
| 896 |
"pcm-f32", |
| 897 |
"pcm-f32be", |
| 898 |
"pcm-f64", |
| 899 |
"pcm-f64be", |
| 900 |
"pcm-u8", |
| 901 |
"pcm-s8", |
| 902 |
"ulaw", |
| 903 |
"alaw" |
| 904 |
]; |
| 905 |
var NON_PCM_AUDIO_CODECS = [ |
| 906 |
"aac", |
| 907 |
"opus", |
| 908 |
"mp3", |
| 909 |
"vorbis", |
| 910 |
"flac", |
| 911 |
"ac3", |
| 912 |
"eac3" |
| 913 |
]; |
| 914 |
var AUDIO_CODECS = [ |
| 915 |
...NON_PCM_AUDIO_CODECS, |
| 916 |
...PCM_AUDIO_CODECS |
| 917 |
]; |
| 918 |
var SUBTITLE_CODECS = [ |
| 919 |
"webvtt" |
| 920 |
]; |
| 921 |
var AVC_LEVEL_TABLE = [ |
| 922 |
{ maxMacroblocks: 99, maxBitrate: 64e3, maxDpbMbs: 396, level: 10 }, |
| 923 |
// Level 1 |
| 924 |
{ maxMacroblocks: 396, maxBitrate: 192e3, maxDpbMbs: 900, level: 11 }, |
| 925 |
// Level 1.1 |
| 926 |
{ maxMacroblocks: 396, maxBitrate: 384e3, maxDpbMbs: 2376, level: 12 }, |
| 927 |
// Level 1.2 |
| 928 |
{ maxMacroblocks: 396, maxBitrate: 768e3, maxDpbMbs: 2376, level: 13 }, |
| 929 |
// Level 1.3 |
| 930 |
{ maxMacroblocks: 396, maxBitrate: 2e6, maxDpbMbs: 2376, level: 20 }, |
| 931 |
// Level 2 |
| 932 |
{ maxMacroblocks: 792, maxBitrate: 4e6, maxDpbMbs: 4752, level: 21 }, |
| 933 |
// Level 2.1 |
| 934 |
{ maxMacroblocks: 1620, maxBitrate: 4e6, maxDpbMbs: 8100, level: 22 }, |
| 935 |
// Level 2.2 |
| 936 |
{ maxMacroblocks: 1620, maxBitrate: 1e7, maxDpbMbs: 8100, level: 30 }, |
| 937 |
// Level 3 |
| 938 |
{ maxMacroblocks: 3600, maxBitrate: 14e6, maxDpbMbs: 18e3, level: 31 }, |
| 939 |
// Level 3.1 |
| 940 |
{ maxMacroblocks: 5120, maxBitrate: 2e7, maxDpbMbs: 20480, level: 32 }, |
| 941 |
// Level 3.2 |
| 942 |
{ maxMacroblocks: 8192, maxBitrate: 2e7, maxDpbMbs: 32768, level: 40 }, |
| 943 |
// Level 4 |
| 944 |
{ maxMacroblocks: 8192, maxBitrate: 5e7, maxDpbMbs: 32768, level: 41 }, |
| 945 |
// Level 4.1 |
| 946 |
{ maxMacroblocks: 8704, maxBitrate: 5e7, maxDpbMbs: 34816, level: 42 }, |
| 947 |
// Level 4.2 |
| 948 |
{ maxMacroblocks: 22080, maxBitrate: 135e6, maxDpbMbs: 110400, level: 50 }, |
| 949 |
// Level 5 |
| 950 |
{ maxMacroblocks: 36864, maxBitrate: 24e7, maxDpbMbs: 184320, level: 51 }, |
| 951 |
// Level 5.1 |
| 952 |
{ maxMacroblocks: 36864, maxBitrate: 24e7, maxDpbMbs: 184320, level: 52 }, |
| 953 |
// Level 5.2 |
| 954 |
{ maxMacroblocks: 139264, maxBitrate: 24e7, maxDpbMbs: 696320, level: 60 }, |
| 955 |
// Level 6 |
| 956 |
{ maxMacroblocks: 139264, maxBitrate: 48e7, maxDpbMbs: 696320, level: 61 }, |
| 957 |
// Level 6.1 |
| 958 |
{ maxMacroblocks: 139264, maxBitrate: 8e8, maxDpbMbs: 696320, level: 62 } |
| 959 |
// Level 6.2 |
| 960 |
]; |
| 961 |
var HEVC_LEVEL_TABLE = [ |
| 962 |
{ maxPictureSize: 36864, maxBitrate: 128e3, tier: "L", level: 30 }, |
| 963 |
// Level 1 (Low Tier) |
| 964 |
{ maxPictureSize: 122880, maxBitrate: 15e5, tier: "L", level: 60 }, |
| 965 |
// Level 2 (Low Tier) |
| 966 |
{ maxPictureSize: 245760, maxBitrate: 3e6, tier: "L", level: 63 }, |
| 967 |
// Level 2.1 (Low Tier) |
| 968 |
{ maxPictureSize: 552960, maxBitrate: 6e6, tier: "L", level: 90 }, |
| 969 |
// Level 3 (Low Tier) |
| 970 |
{ maxPictureSize: 983040, maxBitrate: 1e7, tier: "L", level: 93 }, |
| 971 |
// Level 3.1 (Low Tier) |
| 972 |
{ maxPictureSize: 2228224, maxBitrate: 12e6, tier: "L", level: 120 }, |
| 973 |
// Level 4 (Low Tier) |
| 974 |
{ maxPictureSize: 2228224, maxBitrate: 3e7, tier: "H", level: 120 }, |
| 975 |
// Level 4 (High Tier) |
| 976 |
{ maxPictureSize: 2228224, maxBitrate: 2e7, tier: "L", level: 123 }, |
| 977 |
// Level 4.1 (Low Tier) |
| 978 |
{ maxPictureSize: 2228224, maxBitrate: 5e7, tier: "H", level: 123 }, |
| 979 |
// Level 4.1 (High Tier) |
| 980 |
{ maxPictureSize: 8912896, maxBitrate: 25e6, tier: "L", level: 150 }, |
| 981 |
// Level 5 (Low Tier) |
| 982 |
{ maxPictureSize: 8912896, maxBitrate: 1e8, tier: "H", level: 150 }, |
| 983 |
// Level 5 (High Tier) |
| 984 |
{ maxPictureSize: 8912896, maxBitrate: 4e7, tier: "L", level: 153 }, |
| 985 |
// Level 5.1 (Low Tier) |
| 986 |
{ maxPictureSize: 8912896, maxBitrate: 16e7, tier: "H", level: 153 }, |
| 987 |
// Level 5.1 (High Tier) |
| 988 |
{ maxPictureSize: 8912896, maxBitrate: 6e7, tier: "L", level: 156 }, |
| 989 |
// Level 5.2 (Low Tier) |
| 990 |
{ maxPictureSize: 8912896, maxBitrate: 24e7, tier: "H", level: 156 }, |
| 991 |
// Level 5.2 (High Tier) |
| 992 |
{ maxPictureSize: 35651584, maxBitrate: 6e7, tier: "L", level: 180 }, |
| 993 |
// Level 6 (Low Tier) |
| 994 |
{ maxPictureSize: 35651584, maxBitrate: 24e7, tier: "H", level: 180 }, |
| 995 |
// Level 6 (High Tier) |
| 996 |
{ maxPictureSize: 35651584, maxBitrate: 12e7, tier: "L", level: 183 }, |
| 997 |
// Level 6.1 (Low Tier) |
| 998 |
{ maxPictureSize: 35651584, maxBitrate: 48e7, tier: "H", level: 183 }, |
| 999 |
// Level 6.1 (High Tier) |
| 1000 |
{ maxPictureSize: 35651584, maxBitrate: 24e7, tier: "L", level: 186 }, |
| 1001 |
// Level 6.2 (Low Tier) |
| 1002 |
{ maxPictureSize: 35651584, maxBitrate: 8e8, tier: "H", level: 186 } |
| 1003 |
// Level 6.2 (High Tier) |
| 1004 |
]; |
| 1005 |
var VP9_LEVEL_TABLE = [ |
| 1006 |
{ maxPictureSize: 36864, maxBitrate: 2e5, level: 10 }, |
| 1007 |
// Level 1 |
| 1008 |
{ maxPictureSize: 73728, maxBitrate: 8e5, level: 11 }, |
| 1009 |
// Level 1.1 |
| 1010 |
{ maxPictureSize: 122880, maxBitrate: 18e5, level: 20 }, |
| 1011 |
// Level 2 |
| 1012 |
{ maxPictureSize: 245760, maxBitrate: 36e5, level: 21 }, |
| 1013 |
// Level 2.1 |
| 1014 |
{ maxPictureSize: 552960, maxBitrate: 72e5, level: 30 }, |
| 1015 |
// Level 3 |
| 1016 |
{ maxPictureSize: 983040, maxBitrate: 12e6, level: 31 }, |
| 1017 |
// Level 3.1 |
| 1018 |
{ maxPictureSize: 2228224, maxBitrate: 18e6, level: 40 }, |
| 1019 |
// Level 4 |
| 1020 |
{ maxPictureSize: 2228224, maxBitrate: 3e7, level: 41 }, |
| 1021 |
// Level 4.1 |
| 1022 |
{ maxPictureSize: 8912896, maxBitrate: 6e7, level: 50 }, |
| 1023 |
// Level 5 |
| 1024 |
{ maxPictureSize: 8912896, maxBitrate: 12e7, level: 51 }, |
| 1025 |
// Level 5.1 |
| 1026 |
{ maxPictureSize: 8912896, maxBitrate: 18e7, level: 52 }, |
| 1027 |
// Level 5.2 |
| 1028 |
{ maxPictureSize: 35651584, maxBitrate: 18e7, level: 60 }, |
| 1029 |
// Level 6 |
| 1030 |
{ maxPictureSize: 35651584, maxBitrate: 24e7, level: 61 }, |
| 1031 |
// Level 6.1 |
| 1032 |
{ maxPictureSize: 35651584, maxBitrate: 48e7, level: 62 } |
| 1033 |
// Level 6.2 |
| 1034 |
]; |
| 1035 |
var AV1_LEVEL_TABLE = [ |
| 1036 |
{ maxPictureSize: 147456, maxBitrate: 15e5, tier: "M", level: 0 }, |
| 1037 |
// Level 2.0 (Main Tier) |
| 1038 |
{ maxPictureSize: 278784, maxBitrate: 3e6, tier: "M", level: 1 }, |
| 1039 |
// Level 2.1 (Main Tier) |
| 1040 |
{ maxPictureSize: 665856, maxBitrate: 6e6, tier: "M", level: 4 }, |
| 1041 |
// Level 3.0 (Main Tier) |
| 1042 |
{ maxPictureSize: 1065024, maxBitrate: 1e7, tier: "M", level: 5 }, |
| 1043 |
// Level 3.1 (Main Tier) |
| 1044 |
{ maxPictureSize: 2359296, maxBitrate: 12e6, tier: "M", level: 8 }, |
| 1045 |
// Level 4.0 (Main Tier) |
| 1046 |
{ maxPictureSize: 2359296, maxBitrate: 3e7, tier: "H", level: 8 }, |
| 1047 |
// Level 4.0 (High Tier) |
| 1048 |
{ maxPictureSize: 2359296, maxBitrate: 2e7, tier: "M", level: 9 }, |
| 1049 |
// Level 4.1 (Main Tier) |
| 1050 |
{ maxPictureSize: 2359296, maxBitrate: 5e7, tier: "H", level: 9 }, |
| 1051 |
// Level 4.1 (High Tier) |
| 1052 |
{ maxPictureSize: 8912896, maxBitrate: 3e7, tier: "M", level: 12 }, |
| 1053 |
// Level 5.0 (Main Tier) |
| 1054 |
{ maxPictureSize: 8912896, maxBitrate: 1e8, tier: "H", level: 12 }, |
| 1055 |
// Level 5.0 (High Tier) |
| 1056 |
{ maxPictureSize: 8912896, maxBitrate: 4e7, tier: "M", level: 13 }, |
| 1057 |
// Level 5.1 (Main Tier) |
| 1058 |
{ maxPictureSize: 8912896, maxBitrate: 16e7, tier: "H", level: 13 }, |
| 1059 |
// Level 5.1 (High Tier) |
| 1060 |
{ maxPictureSize: 8912896, maxBitrate: 6e7, tier: "M", level: 14 }, |
| 1061 |
// Level 5.2 (Main Tier) |
| 1062 |
{ maxPictureSize: 8912896, maxBitrate: 24e7, tier: "H", level: 14 }, |
| 1063 |
// Level 5.2 (High Tier) |
| 1064 |
{ maxPictureSize: 35651584, maxBitrate: 6e7, tier: "M", level: 15 }, |
| 1065 |
// Level 5.3 (Main Tier) |
| 1066 |
{ maxPictureSize: 35651584, maxBitrate: 24e7, tier: "H", level: 15 }, |
| 1067 |
// Level 5.3 (High Tier) |
| 1068 |
{ maxPictureSize: 35651584, maxBitrate: 6e7, tier: "M", level: 16 }, |
| 1069 |
// Level 6.0 (Main Tier) |
| 1070 |
{ maxPictureSize: 35651584, maxBitrate: 24e7, tier: "H", level: 16 }, |
| 1071 |
// Level 6.0 (High Tier) |
| 1072 |
{ maxPictureSize: 35651584, maxBitrate: 1e8, tier: "M", level: 17 }, |
| 1073 |
// Level 6.1 (Main Tier) |
| 1074 |
{ maxPictureSize: 35651584, maxBitrate: 48e7, tier: "H", level: 17 }, |
| 1075 |
// Level 6.1 (High Tier) |
| 1076 |
{ maxPictureSize: 35651584, maxBitrate: 16e7, tier: "M", level: 18 }, |
| 1077 |
// Level 6.2 (Main Tier) |
| 1078 |
{ maxPictureSize: 35651584, maxBitrate: 8e8, tier: "H", level: 18 }, |
| 1079 |
// Level 6.2 (High Tier) |
| 1080 |
{ maxPictureSize: 35651584, maxBitrate: 16e7, tier: "M", level: 19 }, |
| 1081 |
// Level 6.3 (Main Tier) |
| 1082 |
{ maxPictureSize: 35651584, maxBitrate: 8e8, tier: "H", level: 19 } |
| 1083 |
// Level 6.3 (High Tier) |
| 1084 |
]; |
| 1085 |
var buildVideoCodecString = (codec, width, height, bitrate) => { |
| 1086 |
if (codec === "avc") { |
| 1087 |
const profileIndication = 100; |
| 1088 |
const totalMacroblocks = Math.ceil(width / 16) * Math.ceil(height / 16); |
| 1089 |
const levelInfo = AVC_LEVEL_TABLE.find((level) => totalMacroblocks <= level.maxMacroblocks && bitrate <= level.maxBitrate) ?? last(AVC_LEVEL_TABLE); |
| 1090 |
const levelIndication = levelInfo ? levelInfo.level : 0; |
| 1091 |
const hexProfileIndication = profileIndication.toString(16).padStart(2, "0"); |
| 1092 |
const hexProfileCompatibility = "00"; |
| 1093 |
const hexLevelIndication = levelIndication.toString(16).padStart(2, "0"); |
| 1094 |
return \`avc1.\${hexProfileIndication}\${hexProfileCompatibility}\${hexLevelIndication}\`; |
| 1095 |
} else if (codec === "hevc") { |
| 1096 |
const profilePrefix = ""; |
| 1097 |
const profileIdc = 1; |
| 1098 |
const compatibilityFlags = "6"; |
| 1099 |
const pictureSize = width * height; |
| 1100 |
const levelInfo = HEVC_LEVEL_TABLE.find((level) => pictureSize <= level.maxPictureSize && bitrate <= level.maxBitrate) ?? last(HEVC_LEVEL_TABLE); |
| 1101 |
const constraintFlags = "B0"; |
| 1102 |
return \`hev1.\${profilePrefix}\${profileIdc}.\${compatibilityFlags}.\${levelInfo.tier}\${levelInfo.level}.\${constraintFlags}\`; |
| 1103 |
} else if (codec === "vp8") { |
| 1104 |
return "vp8"; |
| 1105 |
} else if (codec === "vp9") { |
| 1106 |
const profile = "00"; |
| 1107 |
const pictureSize = width * height; |
| 1108 |
const levelInfo = VP9_LEVEL_TABLE.find((level) => pictureSize <= level.maxPictureSize && bitrate <= level.maxBitrate) ?? last(VP9_LEVEL_TABLE); |
| 1109 |
const bitDepth = "08"; |
| 1110 |
return \`vp09.\${profile}.\${levelInfo.level.toString().padStart(2, "0")}.\${bitDepth}\`; |
| 1111 |
} else if (codec === "av1") { |
| 1112 |
const profile = 0; |
| 1113 |
const pictureSize = width * height; |
| 1114 |
const levelInfo = AV1_LEVEL_TABLE.find((level2) => pictureSize <= level2.maxPictureSize && bitrate <= level2.maxBitrate) ?? last(AV1_LEVEL_TABLE); |
| 1115 |
const level = levelInfo.level.toString().padStart(2, "0"); |
| 1116 |
const bitDepth = "08"; |
| 1117 |
return \`av01.\${profile}.\${level}\${levelInfo.tier}.\${bitDepth}\`; |
| 1118 |
} |
| 1119 |
throw new TypeError(\`Unhandled codec '\${codec}'.\`); |
| 1120 |
}; |
| 1121 |
var generateVp9CodecConfigurationFromCodecString = (codecString) => { |
| 1122 |
const parts = codecString.split("."); |
| 1123 |
const profile = Number(parts[1]); |
| 1124 |
const level = Number(parts[2]); |
| 1125 |
const bitDepth = Number(parts[3]); |
| 1126 |
const chromaSubsampling = parts[4] ? Number(parts[4]) : 1; |
| 1127 |
return [ |
| 1128 |
1, |
| 1129 |
1, |
| 1130 |
profile, |
| 1131 |
2, |
| 1132 |
1, |
| 1133 |
level, |
| 1134 |
3, |
| 1135 |
1, |
| 1136 |
bitDepth, |
| 1137 |
4, |
| 1138 |
1, |
| 1139 |
chromaSubsampling |
| 1140 |
]; |
| 1141 |
}; |
| 1142 |
var generateAv1CodecConfigurationFromCodecString = (codecString) => { |
| 1143 |
const parts = codecString.split("."); |
| 1144 |
const marker = 1; |
| 1145 |
const version = 1; |
| 1146 |
const firstByte = (marker << 7) + version; |
| 1147 |
const profile = Number(parts[1]); |
| 1148 |
const levelAndTier = parts[2]; |
| 1149 |
const level = Number(levelAndTier.slice(0, -1)); |
| 1150 |
const secondByte = (profile << 5) + level; |
| 1151 |
const tier = levelAndTier.slice(-1) === "H" ? 1 : 0; |
| 1152 |
const bitDepth = Number(parts[3]); |
| 1153 |
const highBitDepth = bitDepth === 8 ? 0 : 1; |
| 1154 |
const twelveBit = 0; |
| 1155 |
const monochrome = parts[4] ? Number(parts[4]) : 0; |
| 1156 |
const chromaSubsamplingX = parts[5] ? Number(parts[5][0]) : 1; |
| 1157 |
const chromaSubsamplingY = parts[5] ? Number(parts[5][1]) : 1; |
| 1158 |
const chromaSamplePosition = parts[5] ? Number(parts[5][2]) : 0; |
| 1159 |
const thirdByte = (tier << 7) + (highBitDepth << 6) + (twelveBit << 5) + (monochrome << 4) + (chromaSubsamplingX << 3) + (chromaSubsamplingY << 2) + chromaSamplePosition; |
| 1160 |
const initialPresentationDelayPresent = 0; |
| 1161 |
const fourthByte = initialPresentationDelayPresent; |
| 1162 |
return [firstByte, secondByte, thirdByte, fourthByte]; |
| 1163 |
}; |
| 1164 |
var OPUS_SAMPLE_RATE = 48e3; |
| 1165 |
var PCM_CODEC_REGEX = /^pcm-([usf])(\\d+)(be)?$/; |
| 1166 |
var parsePcmCodec = (codec) => { |
| 1167 |
assert(PCM_AUDIO_CODECS.includes(codec)); |
| 1168 |
if (codec === "ulaw") { |
| 1169 |
return { dataType: "ulaw", sampleSize: 1, littleEndian: true, silentValue: 255 }; |
| 1170 |
} else if (codec === "alaw") { |
| 1171 |
return { dataType: "alaw", sampleSize: 1, littleEndian: true, silentValue: 213 }; |
| 1172 |
} |
| 1173 |
const match = PCM_CODEC_REGEX.exec(codec); |
| 1174 |
assert(match); |
| 1175 |
let dataType; |
| 1176 |
if (match[1] === "u") { |
| 1177 |
dataType = "unsigned"; |
| 1178 |
} else if (match[1] === "s") { |
| 1179 |
dataType = "signed"; |
| 1180 |
} else { |
| 1181 |
dataType = "float"; |
| 1182 |
} |
| 1183 |
const sampleSize = Number(match[2]) / 8; |
| 1184 |
const littleEndian = match[3] !== "be"; |
| 1185 |
const silentValue = codec === "pcm-u8" ? 2 ** 7 : 0; |
| 1186 |
return { dataType, sampleSize, littleEndian, silentValue }; |
| 1187 |
}; |
| 1188 |
var inferCodecFromCodecString = (codecString) => { |
| 1189 |
if (codecString.startsWith("avc1") || codecString.startsWith("avc3")) { |
| 1190 |
return "avc"; |
| 1191 |
} else if (codecString.startsWith("hev1") || codecString.startsWith("hvc1")) { |
| 1192 |
return "hevc"; |
| 1193 |
} else if (codecString === "vp8") { |
| 1194 |
return "vp8"; |
| 1195 |
} else if (codecString.startsWith("vp09")) { |
| 1196 |
return "vp9"; |
| 1197 |
} else if (codecString.startsWith("av01")) { |
| 1198 |
return "av1"; |
| 1199 |
} |
| 1200 |
if (codecString === "mp3" || codecString === "mp4a.69" || codecString === "mp4a.6B" || codecString === "mp4a.6b" || codecString === "mp4a.40.34") { |
| 1201 |
return "mp3"; |
| 1202 |
} else if (codecString.startsWith("mp4a.40.") || codecString === "mp4a.67") { |
| 1203 |
return "aac"; |
| 1204 |
} else if (codecString === "opus") { |
| 1205 |
return "opus"; |
| 1206 |
} else if (codecString === "vorbis") { |
| 1207 |
return "vorbis"; |
| 1208 |
} else if (codecString === "flac") { |
| 1209 |
return "flac"; |
| 1210 |
} else if (codecString === "ac-3" || codecString === "ac3") { |
| 1211 |
return "ac3"; |
| 1212 |
} else if (codecString === "ec-3" || codecString === "eac3") { |
| 1213 |
return "eac3"; |
| 1214 |
} else if (codecString === "ulaw") { |
| 1215 |
return "ulaw"; |
| 1216 |
} else if (codecString === "alaw") { |
| 1217 |
return "alaw"; |
| 1218 |
} else if (PCM_CODEC_REGEX.test(codecString)) { |
| 1219 |
return codecString; |
| 1220 |
} |
| 1221 |
if (codecString === "webvtt") { |
| 1222 |
return "webvtt"; |
| 1223 |
} |
| 1224 |
return null; |
| 1225 |
}; |
| 1226 |
var getVideoEncoderConfigExtension = (codec) => { |
| 1227 |
if (codec === "avc") { |
| 1228 |
return { |
| 1229 |
avc: { |
| 1230 |
format: "avc" |
| 1231 |
// Ensure the format is not Annex B |
| 1232 |
} |
| 1233 |
}; |
| 1234 |
} else if (codec === "hevc") { |
| 1235 |
return { |
| 1236 |
hevc: { |
| 1237 |
format: "hevc" |
| 1238 |
// Ensure the format is not Annex B |
| 1239 |
} |
| 1240 |
}; |
| 1241 |
} |
| 1242 |
return {}; |
| 1243 |
}; |
| 1244 |
var VALID_VIDEO_CODEC_STRING_PREFIXES = ["avc1", "avc3", "hev1", "hvc1", "vp8", "vp09", "av01"]; |
| 1245 |
var AVC_CODEC_STRING_REGEX = /^(avc1|avc3)\\.[0-9a-fA-F]{6}$/; |
| 1246 |
var HEVC_CODEC_STRING_REGEX = /^(hev1|hvc1)\\.(?:[ABC]?\\d+)\\.[0-9a-fA-F]{1,8}\\.[LH]\\d+(?:\\.[0-9a-fA-F]{1,2}){0,6}$/; |
| 1247 |
var VP9_CODEC_STRING_REGEX = /^vp09(?:\\.\\d{2}){3}(?:(?:\\.\\d{2}){5})?$/; |
| 1248 |
var AV1_CODEC_STRING_REGEX = /^av01\\.\\d\\.\\d{2}[MH]\\.\\d{2}(?:\\.\\d\\.\\d{3}\\.\\d{2}\\.\\d{2}\\.\\d{2}\\.\\d)?$/; |
| 1249 |
var validateVideoChunkMetadata = (metadata) => { |
| 1250 |
if (!metadata) { |
| 1251 |
throw new TypeError("Video chunk metadata must be provided."); |
| 1252 |
} |
| 1253 |
if (typeof metadata !== "object") { |
| 1254 |
throw new TypeError("Video chunk metadata must be an object."); |
| 1255 |
} |
| 1256 |
if (!metadata.decoderConfig) { |
| 1257 |
throw new TypeError("Video chunk metadata must include a decoder configuration."); |
| 1258 |
} |
| 1259 |
if (typeof metadata.decoderConfig !== "object") { |
| 1260 |
throw new TypeError("Video chunk metadata decoder configuration must be an object."); |
| 1261 |
} |
| 1262 |
if (typeof metadata.decoderConfig.codec !== "string") { |
| 1263 |
throw new TypeError("Video chunk metadata decoder configuration must specify a codec string."); |
| 1264 |
} |
| 1265 |
if (!VALID_VIDEO_CODEC_STRING_PREFIXES.some((prefix) => metadata.decoderConfig.codec.startsWith(prefix))) { |
| 1266 |
throw new TypeError("Video chunk metadata decoder configuration codec string must be a valid video codec string as specified in the Mediabunny Codec Registry."); |
| 1267 |
} |
| 1268 |
if (!Number.isInteger(metadata.decoderConfig.codedWidth) || metadata.decoderConfig.codedWidth <= 0) { |
| 1269 |
throw new TypeError("Video chunk metadata decoder configuration must specify a valid codedWidth (positive integer)."); |
| 1270 |
} |
| 1271 |
if (!Number.isInteger(metadata.decoderConfig.codedHeight) || metadata.decoderConfig.codedHeight <= 0) { |
| 1272 |
throw new TypeError("Video chunk metadata decoder configuration must specify a valid codedHeight (positive integer)."); |
| 1273 |
} |
| 1274 |
if (metadata.decoderConfig.displayAspectWidth !== void 0 && (!Number.isInteger(metadata.decoderConfig.displayAspectWidth) || metadata.decoderConfig.displayAspectWidth <= 0)) { |
| 1275 |
throw new TypeError("Video chunk metadata decoder configuration displayAspectWidth, when defined, must be a positive integer."); |
| 1276 |
} |
| 1277 |
if (metadata.decoderConfig.displayAspectHeight !== void 0 && (!Number.isInteger(metadata.decoderConfig.displayAspectHeight) || metadata.decoderConfig.displayAspectHeight <= 0)) { |
| 1278 |
throw new TypeError("Video chunk metadata decoder configuration displayAspectHeight, when defined, must be a positive integer."); |
| 1279 |
} |
| 1280 |
if (metadata.decoderConfig.displayAspectWidth !== void 0 !== (metadata.decoderConfig.displayAspectHeight !== void 0)) { |
| 1281 |
throw new TypeError("Video chunk metadata decoder configuration must specify both displayAspectWidth and displayAspectHeight, or neither."); |
| 1282 |
} |
| 1283 |
if (metadata.decoderConfig.description !== void 0) { |
| 1284 |
if (!isAllowSharedBufferSource(metadata.decoderConfig.description)) { |
| 1285 |
throw new TypeError("Video chunk metadata decoder configuration description, when defined, must be an ArrayBuffer or an ArrayBuffer view."); |
| 1286 |
} |
| 1287 |
} |
| 1288 |
if (metadata.decoderConfig.colorSpace !== void 0) { |
| 1289 |
const { colorSpace } = metadata.decoderConfig; |
| 1290 |
if (typeof colorSpace !== "object") { |
| 1291 |
throw new TypeError("Video chunk metadata decoder configuration colorSpace, when provided, must be an object."); |
| 1292 |
} |
| 1293 |
const primariesValues = Object.keys(COLOR_PRIMARIES_MAP); |
| 1294 |
if (colorSpace.primaries != null && !primariesValues.includes(colorSpace.primaries)) { |
| 1295 |
throw new TypeError(\`Video chunk metadata decoder configuration colorSpace primaries, when defined, must be one of \${primariesValues.join(", ")}.\`); |
| 1296 |
} |
| 1297 |
const transferValues = Object.keys(TRANSFER_CHARACTERISTICS_MAP); |
| 1298 |
if (colorSpace.transfer != null && !transferValues.includes(colorSpace.transfer)) { |
| 1299 |
throw new TypeError(\`Video chunk metadata decoder configuration colorSpace transfer, when defined, must be one of \${transferValues.join(", ")}.\`); |
| 1300 |
} |
| 1301 |
const matrixValues = Object.keys(MATRIX_COEFFICIENTS_MAP); |
| 1302 |
if (colorSpace.matrix != null && !matrixValues.includes(colorSpace.matrix)) { |
| 1303 |
throw new TypeError(\`Video chunk metadata decoder configuration colorSpace matrix, when defined, must be one of \${matrixValues.join(", ")}.\`); |
| 1304 |
} |
| 1305 |
if (colorSpace.fullRange != null && typeof colorSpace.fullRange !== "boolean") { |
| 1306 |
throw new TypeError("Video chunk metadata decoder configuration colorSpace fullRange, when defined, must be a boolean."); |
| 1307 |
} |
| 1308 |
} |
| 1309 |
if (metadata.decoderConfig.codec.startsWith("avc1") || metadata.decoderConfig.codec.startsWith("avc3")) { |
| 1310 |
if (!AVC_CODEC_STRING_REGEX.test(metadata.decoderConfig.codec)) { |
| 1311 |
throw new TypeError("Video chunk metadata decoder configuration codec string for AVC must be a valid AVC codec string as specified in Section 3.4 of RFC 6381."); |
| 1312 |
} |
| 1313 |
} else if (metadata.decoderConfig.codec.startsWith("hev1") || metadata.decoderConfig.codec.startsWith("hvc1")) { |
| 1314 |
if (!HEVC_CODEC_STRING_REGEX.test(metadata.decoderConfig.codec)) { |
| 1315 |
throw new TypeError("Video chunk metadata decoder configuration codec string for HEVC must be a valid HEVC codec string as specified in Section E.3 of ISO 14496-15."); |
| 1316 |
} |
| 1317 |
} else if (metadata.decoderConfig.codec.startsWith("vp8")) { |
| 1318 |
if (metadata.decoderConfig.codec !== "vp8") { |
| 1319 |
throw new TypeError('Video chunk metadata decoder configuration codec string for VP8 must be "vp8".'); |
| 1320 |
} |
| 1321 |
} else if (metadata.decoderConfig.codec.startsWith("vp09")) { |
| 1322 |
if (!VP9_CODEC_STRING_REGEX.test(metadata.decoderConfig.codec)) { |
| 1323 |
throw new TypeError('Video chunk metadata decoder configuration codec string for VP9 must be a valid VP9 codec string as specified in Section "Codecs Parameter String" of https://www.webmproject.org/vp9/mp4/.'); |
| 1324 |
} |
| 1325 |
} else if (metadata.decoderConfig.codec.startsWith("av01")) { |
| 1326 |
if (!AV1_CODEC_STRING_REGEX.test(metadata.decoderConfig.codec)) { |
| 1327 |
throw new TypeError('Video chunk metadata decoder configuration codec string for AV1 must be a valid AV1 codec string as specified in Section "Codecs Parameter String" of https://aomediacodec.github.io/av1-isobmff/.'); |
| 1328 |
} |
| 1329 |
} |
| 1330 |
}; |
| 1331 |
var VALID_AUDIO_CODEC_STRING_PREFIXES = [ |
| 1332 |
"mp4a", |
| 1333 |
"mp3", |
| 1334 |
"opus", |
| 1335 |
"vorbis", |
| 1336 |
"flac", |
| 1337 |
"ulaw", |
| 1338 |
"alaw", |
| 1339 |
"pcm", |
| 1340 |
"ac-3", |
| 1341 |
"ec-3" |
| 1342 |
]; |
| 1343 |
var validateAudioChunkMetadata = (metadata) => { |
| 1344 |
if (!metadata) { |
| 1345 |
throw new TypeError("Audio chunk metadata must be provided."); |
| 1346 |
} |
| 1347 |
if (typeof metadata !== "object") { |
| 1348 |
throw new TypeError("Audio chunk metadata must be an object."); |
| 1349 |
} |
| 1350 |
if (!metadata.decoderConfig) { |
| 1351 |
throw new TypeError("Audio chunk metadata must include a decoder configuration."); |
| 1352 |
} |
| 1353 |
if (typeof metadata.decoderConfig !== "object") { |
| 1354 |
throw new TypeError("Audio chunk metadata decoder configuration must be an object."); |
| 1355 |
} |
| 1356 |
if (typeof metadata.decoderConfig.codec !== "string") { |
| 1357 |
throw new TypeError("Audio chunk metadata decoder configuration must specify a codec string."); |
| 1358 |
} |
| 1359 |
if (!VALID_AUDIO_CODEC_STRING_PREFIXES.some((prefix) => metadata.decoderConfig.codec.startsWith(prefix))) { |
| 1360 |
throw new TypeError("Audio chunk metadata decoder configuration codec string must be a valid audio codec string as specified in the Mediabunny Codec Registry."); |
| 1361 |
} |
| 1362 |
if (!Number.isInteger(metadata.decoderConfig.sampleRate) || metadata.decoderConfig.sampleRate <= 0) { |
| 1363 |
throw new TypeError("Audio chunk metadata decoder configuration must specify a valid sampleRate (positive integer)."); |
| 1364 |
} |
| 1365 |
if (!Number.isInteger(metadata.decoderConfig.numberOfChannels) || metadata.decoderConfig.numberOfChannels <= 0) { |
| 1366 |
throw new TypeError("Audio chunk metadata decoder configuration must specify a valid numberOfChannels (positive integer)."); |
| 1367 |
} |
| 1368 |
if (metadata.decoderConfig.description !== void 0) { |
| 1369 |
if (!isAllowSharedBufferSource(metadata.decoderConfig.description)) { |
| 1370 |
throw new TypeError("Audio chunk metadata decoder configuration description, when defined, must be an ArrayBuffer or an ArrayBuffer view."); |
| 1371 |
} |
| 1372 |
} |
| 1373 |
if (metadata.decoderConfig.codec.startsWith("mp4a") && metadata.decoderConfig.codec !== "mp4a.69" && metadata.decoderConfig.codec !== "mp4a.6B" && metadata.decoderConfig.codec !== "mp4a.6b") { |
| 1374 |
const validStrings = ["mp4a.40.2", "mp4a.40.02", "mp4a.40.5", "mp4a.40.05", "mp4a.40.29", "mp4a.67"]; |
| 1375 |
if (!validStrings.includes(metadata.decoderConfig.codec)) { |
| 1376 |
throw new TypeError("Audio chunk metadata decoder configuration codec string for AAC must be a valid AAC codec string as specified in https://www.w3.org/TR/webcodecs-aac-codec-registration/."); |
| 1377 |
} |
| 1378 |
} else if (metadata.decoderConfig.codec.startsWith("mp3") || metadata.decoderConfig.codec.startsWith("mp4a")) { |
| 1379 |
if (metadata.decoderConfig.codec !== "mp3" && metadata.decoderConfig.codec !== "mp4a.69" && metadata.decoderConfig.codec !== "mp4a.6B" && metadata.decoderConfig.codec !== "mp4a.6b") { |
| 1380 |
throw new TypeError('Audio chunk metadata decoder configuration codec string for MP3 must be "mp3", "mp4a.69" or "mp4a.6B".'); |
| 1381 |
} |
| 1382 |
} else if (metadata.decoderConfig.codec.startsWith("opus")) { |
| 1383 |
if (metadata.decoderConfig.codec !== "opus") { |
| 1384 |
throw new TypeError('Audio chunk metadata decoder configuration codec string for Opus must be "opus".'); |
| 1385 |
} |
| 1386 |
if (metadata.decoderConfig.description && metadata.decoderConfig.description.byteLength < 18) { |
| 1387 |
throw new TypeError("Audio chunk metadata decoder configuration description, when specified, is expected to be an Identification Header as specified in Section 5.1 of RFC 7845."); |
| 1388 |
} |
| 1389 |
} else if (metadata.decoderConfig.codec.startsWith("vorbis")) { |
| 1390 |
if (metadata.decoderConfig.codec !== "vorbis") { |
| 1391 |
throw new TypeError('Audio chunk metadata decoder configuration codec string for Vorbis must be "vorbis".'); |
| 1392 |
} |
| 1393 |
if (!metadata.decoderConfig.description) { |
| 1394 |
throw new TypeError("Audio chunk metadata decoder configuration for Vorbis must include a description, which is expected to adhere to the format described in https://www.w3.org/TR/webcodecs-vorbis-codec-registration/."); |
| 1395 |
} |
| 1396 |
} else if (metadata.decoderConfig.codec.startsWith("flac")) { |
| 1397 |
if (metadata.decoderConfig.codec !== "flac") { |
| 1398 |
throw new TypeError('Audio chunk metadata decoder configuration codec string for FLAC must be "flac".'); |
| 1399 |
} |
| 1400 |
const minDescriptionSize = 4 + 4 + 34; |
| 1401 |
if (!metadata.decoderConfig.description || metadata.decoderConfig.description.byteLength < minDescriptionSize) { |
| 1402 |
throw new TypeError("Audio chunk metadata decoder configuration for FLAC must include a description, which is expected to adhere to the format described in https://www.w3.org/TR/webcodecs-flac-codec-registration/."); |
| 1403 |
} |
| 1404 |
} else if (metadata.decoderConfig.codec.startsWith("ac-3") || metadata.decoderConfig.codec.startsWith("ac3")) { |
| 1405 |
if (metadata.decoderConfig.codec !== "ac-3") { |
| 1406 |
throw new TypeError('Audio chunk metadata decoder configuration codec string for AC-3 must be "ac-3".'); |
| 1407 |
} |
| 1408 |
} else if (metadata.decoderConfig.codec.startsWith("ec-3") || metadata.decoderConfig.codec.startsWith("eac3")) { |
| 1409 |
if (metadata.decoderConfig.codec !== "ec-3") { |
| 1410 |
throw new TypeError('Audio chunk metadata decoder configuration codec string for EC-3 must be "ec-3".'); |
| 1411 |
} |
| 1412 |
} else if (metadata.decoderConfig.codec.startsWith("pcm") || metadata.decoderConfig.codec.startsWith("ulaw") || metadata.decoderConfig.codec.startsWith("alaw")) { |
| 1413 |
if (!PCM_AUDIO_CODECS.includes(metadata.decoderConfig.codec)) { |
| 1414 |
throw new TypeError(\`Audio chunk metadata decoder configuration codec string for PCM must be one of the supported PCM codecs (\${PCM_AUDIO_CODECS.join(", ")}).\`); |
| 1415 |
} |
| 1416 |
} |
| 1417 |
}; |
| 1418 |
var validateSubtitleMetadata = (metadata) => { |
| 1419 |
if (!metadata) { |
| 1420 |
throw new TypeError("Subtitle metadata must be provided."); |
| 1421 |
} |
| 1422 |
if (typeof metadata !== "object") { |
| 1423 |
throw new TypeError("Subtitle metadata must be an object."); |
| 1424 |
} |
| 1425 |
if (!metadata.config) { |
| 1426 |
throw new TypeError("Subtitle metadata must include a config object."); |
| 1427 |
} |
| 1428 |
if (typeof metadata.config !== "object") { |
| 1429 |
throw new TypeError("Subtitle metadata config must be an object."); |
| 1430 |
} |
| 1431 |
if (typeof metadata.config.description !== "string") { |
| 1432 |
throw new TypeError("Subtitle metadata config description must be a string."); |
| 1433 |
} |
| 1434 |
}; |
| 1435 |
|
| 1436 |
// node_modules/mediabunny/dist/modules/shared/ac3-misc.js |
| 1437 |
var AC3_SAMPLE_RATES = [48e3, 44100, 32e3]; |
| 1438 |
var EAC3_REDUCED_SAMPLE_RATES = [24e3, 22050, 16e3]; |
| 1439 |
|
| 1440 |
// node_modules/mediabunny/dist/modules/src/codec-data.js |
| 1441 |
var AvcNalUnitType; |
| 1442 |
(function(AvcNalUnitType2) { |
| 1443 |
AvcNalUnitType2[AvcNalUnitType2["NON_IDR_SLICE"] = 1] = "NON_IDR_SLICE"; |
| 1444 |
AvcNalUnitType2[AvcNalUnitType2["SLICE_DPA"] = 2] = "SLICE_DPA"; |
| 1445 |
AvcNalUnitType2[AvcNalUnitType2["SLICE_DPB"] = 3] = "SLICE_DPB"; |
| 1446 |
AvcNalUnitType2[AvcNalUnitType2["SLICE_DPC"] = 4] = "SLICE_DPC"; |
| 1447 |
AvcNalUnitType2[AvcNalUnitType2["IDR"] = 5] = "IDR"; |
| 1448 |
AvcNalUnitType2[AvcNalUnitType2["SEI"] = 6] = "SEI"; |
| 1449 |
AvcNalUnitType2[AvcNalUnitType2["SPS"] = 7] = "SPS"; |
| 1450 |
AvcNalUnitType2[AvcNalUnitType2["PPS"] = 8] = "PPS"; |
| 1451 |
AvcNalUnitType2[AvcNalUnitType2["AUD"] = 9] = "AUD"; |
| 1452 |
AvcNalUnitType2[AvcNalUnitType2["SPS_EXT"] = 13] = "SPS_EXT"; |
| 1453 |
})(AvcNalUnitType || (AvcNalUnitType = {})); |
| 1454 |
var HevcNalUnitType; |
| 1455 |
(function(HevcNalUnitType2) { |
| 1456 |
HevcNalUnitType2[HevcNalUnitType2["RASL_N"] = 8] = "RASL_N"; |
| 1457 |
HevcNalUnitType2[HevcNalUnitType2["RASL_R"] = 9] = "RASL_R"; |
| 1458 |
HevcNalUnitType2[HevcNalUnitType2["BLA_W_LP"] = 16] = "BLA_W_LP"; |
| 1459 |
HevcNalUnitType2[HevcNalUnitType2["RSV_IRAP_VCL23"] = 23] = "RSV_IRAP_VCL23"; |
| 1460 |
HevcNalUnitType2[HevcNalUnitType2["VPS_NUT"] = 32] = "VPS_NUT"; |
| 1461 |
HevcNalUnitType2[HevcNalUnitType2["SPS_NUT"] = 33] = "SPS_NUT"; |
| 1462 |
HevcNalUnitType2[HevcNalUnitType2["PPS_NUT"] = 34] = "PPS_NUT"; |
| 1463 |
HevcNalUnitType2[HevcNalUnitType2["AUD_NUT"] = 35] = "AUD_NUT"; |
| 1464 |
HevcNalUnitType2[HevcNalUnitType2["PREFIX_SEI_NUT"] = 39] = "PREFIX_SEI_NUT"; |
| 1465 |
HevcNalUnitType2[HevcNalUnitType2["SUFFIX_SEI_NUT"] = 40] = "SUFFIX_SEI_NUT"; |
| 1466 |
})(HevcNalUnitType || (HevcNalUnitType = {})); |
| 1467 |
var iterateNalUnitsInAnnexB = function* (packetData) { |
| 1468 |
let i2 = 0; |
| 1469 |
let nalStart = -1; |
| 1470 |
while (i2 < packetData.length - 2) { |
| 1471 |
const zeroIndex = packetData.indexOf(0, i2); |
| 1472 |
if (zeroIndex === -1 || zeroIndex >= packetData.length - 2) { |
| 1473 |
break; |
| 1474 |
} |
| 1475 |
i2 = zeroIndex; |
| 1476 |
let startCodeLength = 0; |
| 1477 |
if (i2 + 3 < packetData.length && packetData[i2 + 1] === 0 && packetData[i2 + 2] === 0 && packetData[i2 + 3] === 1) { |
| 1478 |
startCodeLength = 4; |
| 1479 |
} else if (packetData[i2 + 1] === 0 && packetData[i2 + 2] === 1) { |
| 1480 |
startCodeLength = 3; |
| 1481 |
} |
| 1482 |
if (startCodeLength === 0) { |
| 1483 |
i2++; |
| 1484 |
continue; |
| 1485 |
} |
| 1486 |
if (nalStart !== -1 && i2 > nalStart) { |
| 1487 |
yield { |
| 1488 |
offset: nalStart, |
| 1489 |
length: i2 - nalStart |
| 1490 |
}; |
| 1491 |
} |
| 1492 |
nalStart = i2 + startCodeLength; |
| 1493 |
i2 = nalStart; |
| 1494 |
} |
| 1495 |
if (nalStart !== -1 && nalStart < packetData.length) { |
| 1496 |
yield { |
| 1497 |
offset: nalStart, |
| 1498 |
length: packetData.length - nalStart |
| 1499 |
}; |
| 1500 |
} |
| 1501 |
}; |
| 1502 |
var iterateNalUnitsInLengthPrefixed = function* (packetData, lengthSize) { |
| 1503 |
let offset = 0; |
| 1504 |
const dataView = new DataView(packetData.buffer, packetData.byteOffset, packetData.byteLength); |
| 1505 |
while (offset + lengthSize <= packetData.length) { |
| 1506 |
let nalUnitLength; |
| 1507 |
if (lengthSize === 1) { |
| 1508 |
nalUnitLength = dataView.getUint8(offset); |
| 1509 |
} else if (lengthSize === 2) { |
| 1510 |
nalUnitLength = dataView.getUint16(offset, false); |
| 1511 |
} else if (lengthSize === 3) { |
| 1512 |
nalUnitLength = getUint24(dataView, offset, false); |
| 1513 |
} else { |
| 1514 |
assert(lengthSize === 4); |
| 1515 |
nalUnitLength = dataView.getUint32(offset, false); |
| 1516 |
} |
| 1517 |
offset += lengthSize; |
| 1518 |
yield { |
| 1519 |
offset, |
| 1520 |
length: nalUnitLength |
| 1521 |
}; |
| 1522 |
offset += nalUnitLength; |
| 1523 |
} |
| 1524 |
}; |
| 1525 |
var iterateAvcNalUnits = (packetData, decoderConfig) => { |
| 1526 |
if (decoderConfig.description) { |
| 1527 |
const bytes2 = toUint8Array(decoderConfig.description); |
| 1528 |
const lengthSizeMinusOne = bytes2[4] & 3; |
| 1529 |
const lengthSize = lengthSizeMinusOne + 1; |
| 1530 |
return iterateNalUnitsInLengthPrefixed(packetData, lengthSize); |
| 1531 |
} else { |
| 1532 |
return iterateNalUnitsInAnnexB(packetData); |
| 1533 |
} |
| 1534 |
}; |
| 1535 |
var extractNalUnitTypeForAvc = (byte) => { |
| 1536 |
return byte & 31; |
| 1537 |
}; |
| 1538 |
var removeEmulationPreventionBytes = (data) => { |
| 1539 |
const result = []; |
| 1540 |
const len = data.length; |
| 1541 |
for (let i2 = 0; i2 < len; i2++) { |
| 1542 |
if (i2 + 2 < len && data[i2] === 0 && data[i2 + 1] === 0 && data[i2 + 2] === 3) { |
| 1543 |
result.push(0, 0); |
| 1544 |
i2 += 2; |
| 1545 |
} else { |
| 1546 |
result.push(data[i2]); |
| 1547 |
} |
| 1548 |
} |
| 1549 |
return new Uint8Array(result); |
| 1550 |
}; |
| 1551 |
var ANNEX_B_START_CODE = new Uint8Array([0, 0, 0, 1]); |
| 1552 |
var concatNalUnitsInLengthPrefixed = (nalUnits, lengthSize) => { |
| 1553 |
const totalLength = nalUnits.reduce((a2, b) => a2 + lengthSize + b.byteLength, 0); |
| 1554 |
const result = new Uint8Array(totalLength); |
| 1555 |
let offset = 0; |
| 1556 |
for (const nalUnit of nalUnits) { |
| 1557 |
const dataView = new DataView(result.buffer, result.byteOffset, result.byteLength); |
| 1558 |
switch (lengthSize) { |
| 1559 |
case 1: |
| 1560 |
dataView.setUint8(offset, nalUnit.byteLength); |
| 1561 |
break; |
| 1562 |
case 2: |
| 1563 |
dataView.setUint16(offset, nalUnit.byteLength, false); |
| 1564 |
break; |
| 1565 |
case 3: |
| 1566 |
setUint24(dataView, offset, nalUnit.byteLength, false); |
| 1567 |
break; |
| 1568 |
case 4: |
| 1569 |
dataView.setUint32(offset, nalUnit.byteLength, false); |
| 1570 |
break; |
| 1571 |
} |
| 1572 |
offset += lengthSize; |
| 1573 |
result.set(nalUnit, offset); |
| 1574 |
offset += nalUnit.byteLength; |
| 1575 |
} |
| 1576 |
return result; |
| 1577 |
}; |
| 1578 |
var extractAvcDecoderConfigurationRecord = (packetData) => { |
| 1579 |
try { |
| 1580 |
const spsUnits = []; |
| 1581 |
const ppsUnits = []; |
| 1582 |
const spsExtUnits = []; |
| 1583 |
for (const loc of iterateNalUnitsInAnnexB(packetData)) { |
| 1584 |
const nalUnit = packetData.subarray(loc.offset, loc.offset + loc.length); |
| 1585 |
const type = extractNalUnitTypeForAvc(nalUnit[0]); |
| 1586 |
if (type === AvcNalUnitType.SPS) { |
| 1587 |
spsUnits.push(nalUnit); |
| 1588 |
} else if (type === AvcNalUnitType.PPS) { |
| 1589 |
ppsUnits.push(nalUnit); |
| 1590 |
} else if (type === AvcNalUnitType.SPS_EXT) { |
| 1591 |
spsExtUnits.push(nalUnit); |
| 1592 |
} |
| 1593 |
} |
| 1594 |
if (spsUnits.length === 0) { |
| 1595 |
return null; |
| 1596 |
} |
| 1597 |
if (ppsUnits.length === 0) { |
| 1598 |
return null; |
| 1599 |
} |
| 1600 |
const spsData = spsUnits[0]; |
| 1601 |
const spsInfo = parseAvcSps(spsData); |
| 1602 |
assert(spsInfo !== null); |
| 1603 |
const hasExtendedData = spsInfo.profileIdc === 100 || spsInfo.profileIdc === 110 || spsInfo.profileIdc === 122 || spsInfo.profileIdc === 144; |
| 1604 |
return { |
| 1605 |
configurationVersion: 1, |
| 1606 |
avcProfileIndication: spsInfo.profileIdc, |
| 1607 |
profileCompatibility: spsInfo.constraintFlags, |
| 1608 |
avcLevelIndication: spsInfo.levelIdc, |
| 1609 |
lengthSizeMinusOne: 3, |
| 1610 |
// Typically 4 bytes for length field |
| 1611 |
sequenceParameterSets: spsUnits, |
| 1612 |
pictureParameterSets: ppsUnits, |
| 1613 |
chromaFormat: hasExtendedData ? spsInfo.chromaFormatIdc : null, |
| 1614 |
bitDepthLumaMinus8: hasExtendedData ? spsInfo.bitDepthLumaMinus8 : null, |
| 1615 |
bitDepthChromaMinus8: hasExtendedData ? spsInfo.bitDepthChromaMinus8 : null, |
| 1616 |
sequenceParameterSetExt: hasExtendedData ? spsExtUnits : null |
| 1617 |
}; |
| 1618 |
} catch (error) { |
| 1619 |
Logging._error("Error building AVC Decoder Configuration Record:", error); |
| 1620 |
return null; |
| 1621 |
} |
| 1622 |
}; |
| 1623 |
var serializeAvcDecoderConfigurationRecord = (record) => { |
| 1624 |
const bytes2 = []; |
| 1625 |
bytes2.push(record.configurationVersion); |
| 1626 |
bytes2.push(record.avcProfileIndication); |
| 1627 |
bytes2.push(record.profileCompatibility); |
| 1628 |
bytes2.push(record.avcLevelIndication); |
| 1629 |
bytes2.push(252 | record.lengthSizeMinusOne & 3); |
| 1630 |
bytes2.push(224 | record.sequenceParameterSets.length & 31); |
| 1631 |
for (const sps of record.sequenceParameterSets) { |
| 1632 |
const length = sps.byteLength; |
| 1633 |
bytes2.push(length >> 8); |
| 1634 |
bytes2.push(length & 255); |
| 1635 |
for (let i2 = 0; i2 < length; i2++) { |
| 1636 |
bytes2.push(sps[i2]); |
| 1637 |
} |
| 1638 |
} |
| 1639 |
bytes2.push(record.pictureParameterSets.length); |
| 1640 |
for (const pps of record.pictureParameterSets) { |
| 1641 |
const length = pps.byteLength; |
| 1642 |
bytes2.push(length >> 8); |
| 1643 |
bytes2.push(length & 255); |
| 1644 |
for (let i2 = 0; i2 < length; i2++) { |
| 1645 |
bytes2.push(pps[i2]); |
| 1646 |
} |
| 1647 |
} |
| 1648 |
if (record.avcProfileIndication === 100 || record.avcProfileIndication === 110 || record.avcProfileIndication === 122 || record.avcProfileIndication === 144) { |
| 1649 |
assert(record.chromaFormat !== null); |
| 1650 |
assert(record.bitDepthLumaMinus8 !== null); |
| 1651 |
assert(record.bitDepthChromaMinus8 !== null); |
| 1652 |
assert(record.sequenceParameterSetExt !== null); |
| 1653 |
bytes2.push(252 | record.chromaFormat & 3); |
| 1654 |
bytes2.push(248 | record.bitDepthLumaMinus8 & 7); |
| 1655 |
bytes2.push(248 | record.bitDepthChromaMinus8 & 7); |
| 1656 |
bytes2.push(record.sequenceParameterSetExt.length); |
| 1657 |
for (const spsExt of record.sequenceParameterSetExt) { |
| 1658 |
const length = spsExt.byteLength; |
| 1659 |
bytes2.push(length >> 8); |
| 1660 |
bytes2.push(length & 255); |
| 1661 |
for (let i2 = 0; i2 < length; i2++) { |
| 1662 |
bytes2.push(spsExt[i2]); |
| 1663 |
} |
| 1664 |
} |
| 1665 |
} |
| 1666 |
return new Uint8Array(bytes2); |
| 1667 |
}; |
| 1668 |
var AVC_HEVC_ASPECT_RATIO_IDC_TABLE = { |
| 1669 |
1: { num: 1, den: 1 }, |
| 1670 |
2: { num: 12, den: 11 }, |
| 1671 |
3: { num: 10, den: 11 }, |
| 1672 |
4: { num: 16, den: 11 }, |
| 1673 |
5: { num: 40, den: 33 }, |
| 1674 |
6: { num: 24, den: 11 }, |
| 1675 |
7: { num: 20, den: 11 }, |
| 1676 |
8: { num: 32, den: 11 }, |
| 1677 |
9: { num: 80, den: 33 }, |
| 1678 |
10: { num: 18, den: 11 }, |
| 1679 |
11: { num: 15, den: 11 }, |
| 1680 |
12: { num: 64, den: 33 }, |
| 1681 |
13: { num: 160, den: 99 }, |
| 1682 |
14: { num: 4, den: 3 }, |
| 1683 |
15: { num: 3, den: 2 }, |
| 1684 |
16: { num: 2, den: 1 } |
| 1685 |
}; |
| 1686 |
var parseAvcSps = (sps) => { |
| 1687 |
try { |
| 1688 |
const bitstream = new Bitstream(removeEmulationPreventionBytes(sps)); |
| 1689 |
bitstream.skipBits(1); |
| 1690 |
bitstream.skipBits(2); |
| 1691 |
const nalUnitType = bitstream.readBits(5); |
| 1692 |
if (nalUnitType !== 7) { |
| 1693 |
return null; |
| 1694 |
} |
| 1695 |
const profileIdc = bitstream.readAlignedByte(); |
| 1696 |
const constraintFlags = bitstream.readAlignedByte(); |
| 1697 |
const levelIdc = bitstream.readAlignedByte(); |
| 1698 |
readExpGolomb(bitstream); |
| 1699 |
let chromaFormatIdc = 1; |
| 1700 |
let bitDepthLumaMinus8 = 0; |
| 1701 |
let bitDepthChromaMinus8 = 0; |
| 1702 |
let separateColourPlaneFlag = 0; |
| 1703 |
if (profileIdc === 100 || profileIdc === 110 || profileIdc === 122 || profileIdc === 244 || profileIdc === 44 || profileIdc === 83 || profileIdc === 86 || profileIdc === 118 || profileIdc === 128) { |
| 1704 |
chromaFormatIdc = readExpGolomb(bitstream); |
| 1705 |
if (chromaFormatIdc === 3) { |
| 1706 |
separateColourPlaneFlag = bitstream.readBits(1); |
| 1707 |
} |
| 1708 |
bitDepthLumaMinus8 = readExpGolomb(bitstream); |
| 1709 |
bitDepthChromaMinus8 = readExpGolomb(bitstream); |
| 1710 |
bitstream.skipBits(1); |
| 1711 |
const seqScalingMatrixPresentFlag = bitstream.readBits(1); |
| 1712 |
if (seqScalingMatrixPresentFlag) { |
| 1713 |
for (let i2 = 0; i2 < (chromaFormatIdc !== 3 ? 8 : 12); i2++) { |
| 1714 |
const seqScalingListPresentFlag = bitstream.readBits(1); |
| 1715 |
if (seqScalingListPresentFlag) { |
| 1716 |
const sizeOfScalingList = i2 < 6 ? 16 : 64; |
| 1717 |
let lastScale = 8; |
| 1718 |
let nextScale = 8; |
| 1719 |
for (let j = 0; j < sizeOfScalingList; j++) { |
| 1720 |
if (nextScale !== 0) { |
| 1721 |
const deltaScale = readSignedExpGolomb(bitstream); |
| 1722 |
nextScale = (lastScale + deltaScale + 256) % 256; |
| 1723 |
} |
| 1724 |
lastScale = nextScale === 0 ? lastScale : nextScale; |
| 1725 |
} |
| 1726 |
} |
| 1727 |
} |
| 1728 |
} |
| 1729 |
} |
| 1730 |
readExpGolomb(bitstream); |
| 1731 |
const picOrderCntType = readExpGolomb(bitstream); |
| 1732 |
if (picOrderCntType === 0) { |
| 1733 |
readExpGolomb(bitstream); |
| 1734 |
} else if (picOrderCntType === 1) { |
| 1735 |
bitstream.skipBits(1); |
| 1736 |
readSignedExpGolomb(bitstream); |
| 1737 |
readSignedExpGolomb(bitstream); |
| 1738 |
const numRefFramesInPicOrderCntCycle = readExpGolomb(bitstream); |
| 1739 |
for (let i2 = 0; i2 < numRefFramesInPicOrderCntCycle; i2++) { |
| 1740 |
readSignedExpGolomb(bitstream); |
| 1741 |
} |
| 1742 |
} |
| 1743 |
readExpGolomb(bitstream); |
| 1744 |
bitstream.skipBits(1); |
| 1745 |
const picWidthInMbsMinus1 = readExpGolomb(bitstream); |
| 1746 |
const picHeightInMapUnitsMinus1 = readExpGolomb(bitstream); |
| 1747 |
const codedWidth = 16 * (picWidthInMbsMinus1 + 1); |
| 1748 |
const codedHeight = 16 * (picHeightInMapUnitsMinus1 + 1); |
| 1749 |
let displayWidth = codedWidth; |
| 1750 |
let displayHeight = codedHeight; |
| 1751 |
const frameMbsOnlyFlag = bitstream.readBits(1); |
| 1752 |
if (!frameMbsOnlyFlag) { |
| 1753 |
bitstream.skipBits(1); |
| 1754 |
} |
| 1755 |
bitstream.skipBits(1); |
| 1756 |
const frameCroppingFlag = bitstream.readBits(1); |
| 1757 |
if (frameCroppingFlag) { |
| 1758 |
const frameCropLeftOffset = readExpGolomb(bitstream); |
| 1759 |
const frameCropRightOffset = readExpGolomb(bitstream); |
| 1760 |
const frameCropTopOffset = readExpGolomb(bitstream); |
| 1761 |
const frameCropBottomOffset = readExpGolomb(bitstream); |
| 1762 |
let cropUnitX; |
| 1763 |
let cropUnitY; |
| 1764 |
const chromaArrayType = separateColourPlaneFlag === 0 ? chromaFormatIdc : 0; |
| 1765 |
if (chromaArrayType === 0) { |
| 1766 |
cropUnitX = 1; |
| 1767 |
cropUnitY = 2 - frameMbsOnlyFlag; |
| 1768 |
} else { |
| 1769 |
const subWidthC = chromaFormatIdc === 3 ? 1 : 2; |
| 1770 |
const subHeightC = chromaFormatIdc === 1 ? 2 : 1; |
| 1771 |
cropUnitX = subWidthC; |
| 1772 |
cropUnitY = subHeightC * (2 - frameMbsOnlyFlag); |
| 1773 |
} |
| 1774 |
displayWidth -= cropUnitX * (frameCropLeftOffset + frameCropRightOffset); |
| 1775 |
displayHeight -= cropUnitY * (frameCropTopOffset + frameCropBottomOffset); |
| 1776 |
} |
| 1777 |
let colourPrimaries = 2; |
| 1778 |
let transferCharacteristics = 2; |
| 1779 |
let matrixCoefficients = 2; |
| 1780 |
let fullRangeFlag = 0; |
| 1781 |
let pixelAspectRatio = { num: 1, den: 1 }; |
| 1782 |
let numReorderFrames = null; |
| 1783 |
let maxDecFrameBuffering = null; |
| 1784 |
const vuiParametersPresentFlag = bitstream.readBits(1); |
| 1785 |
if (vuiParametersPresentFlag) { |
| 1786 |
const aspectRatioInfoPresentFlag = bitstream.readBits(1); |
| 1787 |
if (aspectRatioInfoPresentFlag) { |
| 1788 |
const aspectRatioIdc = bitstream.readBits(8); |
| 1789 |
if (aspectRatioIdc === 255) { |
| 1790 |
pixelAspectRatio = { |
| 1791 |
num: bitstream.readBits(16), |
| 1792 |
den: bitstream.readBits(16) |
| 1793 |
}; |
| 1794 |
} else { |
| 1795 |
const aspectRatio = AVC_HEVC_ASPECT_RATIO_IDC_TABLE[aspectRatioIdc]; |
| 1796 |
if (aspectRatio) { |
| 1797 |
pixelAspectRatio = aspectRatio; |
| 1798 |
} |
| 1799 |
} |
| 1800 |
} |
| 1801 |
const overscanInfoPresentFlag = bitstream.readBits(1); |
| 1802 |
if (overscanInfoPresentFlag) { |
| 1803 |
bitstream.skipBits(1); |
| 1804 |
} |
| 1805 |
const videoSignalTypePresentFlag = bitstream.readBits(1); |
| 1806 |
if (videoSignalTypePresentFlag) { |
| 1807 |
bitstream.skipBits(3); |
| 1808 |
fullRangeFlag = bitstream.readBits(1); |
| 1809 |
const colourDescriptionPresentFlag = bitstream.readBits(1); |
| 1810 |
if (colourDescriptionPresentFlag) { |
| 1811 |
colourPrimaries = bitstream.readBits(8); |
| 1812 |
transferCharacteristics = bitstream.readBits(8); |
| 1813 |
matrixCoefficients = bitstream.readBits(8); |
| 1814 |
} |
| 1815 |
} |
| 1816 |
const chromaLocInfoPresentFlag = bitstream.readBits(1); |
| 1817 |
if (chromaLocInfoPresentFlag) { |
| 1818 |
readExpGolomb(bitstream); |
| 1819 |
readExpGolomb(bitstream); |
| 1820 |
} |
| 1821 |
const timingInfoPresentFlag = bitstream.readBits(1); |
| 1822 |
if (timingInfoPresentFlag) { |
| 1823 |
bitstream.skipBits(32); |
| 1824 |
bitstream.skipBits(32); |
| 1825 |
bitstream.skipBits(1); |
| 1826 |
} |
| 1827 |
const nalHrdParametersPresentFlag = bitstream.readBits(1); |
| 1828 |
if (nalHrdParametersPresentFlag) { |
| 1829 |
skipAvcHrdParameters(bitstream); |
| 1830 |
} |
| 1831 |
const vclHrdParametersPresentFlag = bitstream.readBits(1); |
| 1832 |
if (vclHrdParametersPresentFlag) { |
| 1833 |
skipAvcHrdParameters(bitstream); |
| 1834 |
} |
| 1835 |
if (nalHrdParametersPresentFlag || vclHrdParametersPresentFlag) { |
| 1836 |
bitstream.skipBits(1); |
| 1837 |
} |
| 1838 |
bitstream.skipBits(1); |
| 1839 |
const bitstreamRestrictionFlag = bitstream.readBits(1); |
| 1840 |
if (bitstreamRestrictionFlag) { |
| 1841 |
bitstream.skipBits(1); |
| 1842 |
readExpGolomb(bitstream); |
| 1843 |
readExpGolomb(bitstream); |
| 1844 |
readExpGolomb(bitstream); |
| 1845 |
readExpGolomb(bitstream); |
| 1846 |
numReorderFrames = readExpGolomb(bitstream); |
| 1847 |
maxDecFrameBuffering = readExpGolomb(bitstream); |
| 1848 |
} |
| 1849 |
} |
| 1850 |
if (numReorderFrames === null) { |
| 1851 |
assert(maxDecFrameBuffering === null); |
| 1852 |
const constraintSet3Flag = constraintFlags & 16; |
| 1853 |
if ((profileIdc === 44 || profileIdc === 86 || profileIdc === 100 || profileIdc === 110 || profileIdc === 122 || profileIdc === 244) && constraintSet3Flag) { |
| 1854 |
numReorderFrames = 0; |
| 1855 |
maxDecFrameBuffering = 0; |
| 1856 |
} else { |
| 1857 |
const picWidthInMbs = picWidthInMbsMinus1 + 1; |
| 1858 |
const picHeightInMapUnits = picHeightInMapUnitsMinus1 + 1; |
| 1859 |
const frameHeightInMbs = (2 - frameMbsOnlyFlag) * picHeightInMapUnits; |
| 1860 |
const levelInfo = AVC_LEVEL_TABLE.find((x) => x.level >= levelIdc) ?? last(AVC_LEVEL_TABLE); |
| 1861 |
const maxDpbFrames = Math.min(Math.floor(levelInfo.maxDpbMbs / (picWidthInMbs * frameHeightInMbs)), 16); |
| 1862 |
numReorderFrames = maxDpbFrames; |
| 1863 |
maxDecFrameBuffering = maxDpbFrames; |
| 1864 |
} |
| 1865 |
} |
| 1866 |
assert(maxDecFrameBuffering !== null); |
| 1867 |
return { |
| 1868 |
profileIdc, |
| 1869 |
constraintFlags, |
| 1870 |
levelIdc, |
| 1871 |
frameMbsOnlyFlag, |
| 1872 |
chromaFormatIdc, |
| 1873 |
bitDepthLumaMinus8, |
| 1874 |
bitDepthChromaMinus8, |
| 1875 |
codedWidth, |
| 1876 |
codedHeight, |
| 1877 |
displayWidth, |
| 1878 |
displayHeight, |
| 1879 |
pixelAspectRatio, |
| 1880 |
colourPrimaries, |
| 1881 |
matrixCoefficients, |
| 1882 |
transferCharacteristics, |
| 1883 |
fullRangeFlag, |
| 1884 |
numReorderFrames, |
| 1885 |
maxDecFrameBuffering |
| 1886 |
}; |
| 1887 |
} catch (error) { |
| 1888 |
Logging._error("Error parsing AVC SPS:", error); |
| 1889 |
return null; |
| 1890 |
} |
| 1891 |
}; |
| 1892 |
var skipAvcHrdParameters = (bitstream) => { |
| 1893 |
const cpb_cnt_minus1 = readExpGolomb(bitstream); |
| 1894 |
bitstream.skipBits(4); |
| 1895 |
bitstream.skipBits(4); |
| 1896 |
for (let i2 = 0; i2 <= cpb_cnt_minus1; i2++) { |
| 1897 |
readExpGolomb(bitstream); |
| 1898 |
readExpGolomb(bitstream); |
| 1899 |
bitstream.skipBits(1); |
| 1900 |
} |
| 1901 |
bitstream.skipBits(5); |
| 1902 |
bitstream.skipBits(5); |
| 1903 |
bitstream.skipBits(5); |
| 1904 |
bitstream.skipBits(5); |
| 1905 |
}; |
| 1906 |
var iterateHevcNalUnits = (packetData, decoderConfig) => { |
| 1907 |
if (decoderConfig.description) { |
| 1908 |
const bytes2 = toUint8Array(decoderConfig.description); |
| 1909 |
const lengthSizeMinusOne = bytes2[21] & 3; |
| 1910 |
const lengthSize = lengthSizeMinusOne + 1; |
| 1911 |
return iterateNalUnitsInLengthPrefixed(packetData, lengthSize); |
| 1912 |
} else { |
| 1913 |
return iterateNalUnitsInAnnexB(packetData); |
| 1914 |
} |
| 1915 |
}; |
| 1916 |
var extractNalUnitTypeForHevc = (byte) => { |
| 1917 |
return byte >> 1 & 63; |
| 1918 |
}; |
| 1919 |
var parseHevcSps = (sps) => { |
| 1920 |
try { |
| 1921 |
const bitstream = new Bitstream(removeEmulationPreventionBytes(sps)); |
| 1922 |
bitstream.skipBits(16); |
| 1923 |
bitstream.readBits(4); |
| 1924 |
const spsMaxSubLayersMinus1 = bitstream.readBits(3); |
| 1925 |
const spsTemporalIdNestingFlag = bitstream.readBits(1); |
| 1926 |
const { general_profile_space, general_tier_flag, general_profile_idc, general_profile_compatibility_flags, general_constraint_indicator_flags, general_level_idc } = parseProfileTierLevel(bitstream, spsMaxSubLayersMinus1); |
| 1927 |
readExpGolomb(bitstream); |
| 1928 |
const chromaFormatIdc = readExpGolomb(bitstream); |
| 1929 |
let separateColourPlaneFlag = 0; |
| 1930 |
if (chromaFormatIdc === 3) { |
| 1931 |
separateColourPlaneFlag = bitstream.readBits(1); |
| 1932 |
} |
| 1933 |
const picWidthInLumaSamples = readExpGolomb(bitstream); |
| 1934 |
const picHeightInLumaSamples = readExpGolomb(bitstream); |
| 1935 |
let displayWidth = picWidthInLumaSamples; |
| 1936 |
let displayHeight = picHeightInLumaSamples; |
| 1937 |
if (bitstream.readBits(1)) { |
| 1938 |
const confWinLeftOffset = readExpGolomb(bitstream); |
| 1939 |
const confWinRightOffset = readExpGolomb(bitstream); |
| 1940 |
const confWinTopOffset = readExpGolomb(bitstream); |
| 1941 |
const confWinBottomOffset = readExpGolomb(bitstream); |
| 1942 |
let subWidthC = 1; |
| 1943 |
let subHeightC = 1; |
| 1944 |
const chromaArrayType = separateColourPlaneFlag === 0 ? chromaFormatIdc : 0; |
| 1945 |
if (chromaArrayType === 1) { |
| 1946 |
subWidthC = 2; |
| 1947 |
subHeightC = 2; |
| 1948 |
} else if (chromaArrayType === 2) { |
| 1949 |
subWidthC = 2; |
| 1950 |
subHeightC = 1; |
| 1951 |
} |
| 1952 |
displayWidth -= (confWinLeftOffset + confWinRightOffset) * subWidthC; |
| 1953 |
displayHeight -= (confWinTopOffset + confWinBottomOffset) * subHeightC; |
| 1954 |
} |
| 1955 |
const bitDepthLumaMinus8 = readExpGolomb(bitstream); |
| 1956 |
const bitDepthChromaMinus8 = readExpGolomb(bitstream); |
| 1957 |
readExpGolomb(bitstream); |
| 1958 |
const spsSubLayerOrderingInfoPresentFlag = bitstream.readBits(1); |
| 1959 |
const startI = spsSubLayerOrderingInfoPresentFlag ? 0 : spsMaxSubLayersMinus1; |
| 1960 |
let spsMaxNumReorderPics = 0; |
| 1961 |
for (let i2 = startI; i2 <= spsMaxSubLayersMinus1; i2++) { |
| 1962 |
readExpGolomb(bitstream); |
| 1963 |
spsMaxNumReorderPics = readExpGolomb(bitstream); |
| 1964 |
readExpGolomb(bitstream); |
| 1965 |
} |
| 1966 |
readExpGolomb(bitstream); |
| 1967 |
readExpGolomb(bitstream); |
| 1968 |
readExpGolomb(bitstream); |
| 1969 |
readExpGolomb(bitstream); |
| 1970 |
readExpGolomb(bitstream); |
| 1971 |
readExpGolomb(bitstream); |
| 1972 |
if (bitstream.readBits(1)) { |
| 1973 |
if (bitstream.readBits(1)) { |
| 1974 |
skipScalingListData(bitstream); |
| 1975 |
} |
| 1976 |
} |
| 1977 |
bitstream.skipBits(1); |
| 1978 |
bitstream.skipBits(1); |
| 1979 |
if (bitstream.readBits(1)) { |
| 1980 |
bitstream.skipBits(4); |
| 1981 |
bitstream.skipBits(4); |
| 1982 |
readExpGolomb(bitstream); |
| 1983 |
readExpGolomb(bitstream); |
| 1984 |
bitstream.skipBits(1); |
| 1985 |
} |
| 1986 |
const numShortTermRefPicSets = readExpGolomb(bitstream); |
| 1987 |
skipAllStRefPicSets(bitstream, numShortTermRefPicSets); |
| 1988 |
if (bitstream.readBits(1)) { |
| 1989 |
const numLongTermRefPicsSps = readExpGolomb(bitstream); |
| 1990 |
for (let i2 = 0; i2 < numLongTermRefPicsSps; i2++) { |
| 1991 |
readExpGolomb(bitstream); |
| 1992 |
bitstream.skipBits(1); |
| 1993 |
} |
| 1994 |
} |
| 1995 |
bitstream.skipBits(1); |
| 1996 |
bitstream.skipBits(1); |
| 1997 |
let colourPrimaries = 2; |
| 1998 |
let transferCharacteristics = 2; |
| 1999 |
let matrixCoefficients = 2; |
| 2000 |
let fullRangeFlag = 0; |
| 2001 |
let minSpatialSegmentationIdc = 0; |
| 2002 |
let pixelAspectRatio = { num: 1, den: 1 }; |
| 2003 |
if (bitstream.readBits(1)) { |
| 2004 |
const vui = parseHevcVui(bitstream, spsMaxSubLayersMinus1); |
| 2005 |
pixelAspectRatio = vui.pixelAspectRatio; |
| 2006 |
colourPrimaries = vui.colourPrimaries; |
| 2007 |
transferCharacteristics = vui.transferCharacteristics; |
| 2008 |
matrixCoefficients = vui.matrixCoefficients; |
| 2009 |
fullRangeFlag = vui.fullRangeFlag; |
| 2010 |
minSpatialSegmentationIdc = vui.minSpatialSegmentationIdc; |
| 2011 |
} |
| 2012 |
return { |
| 2013 |
displayWidth, |
| 2014 |
displayHeight, |
| 2015 |
pixelAspectRatio, |
| 2016 |
colourPrimaries, |
| 2017 |
transferCharacteristics, |
| 2018 |
matrixCoefficients, |
| 2019 |
fullRangeFlag, |
| 2020 |
maxDecFrameBuffering: spsMaxNumReorderPics + 1, |
| 2021 |
spsMaxSubLayersMinus1, |
| 2022 |
spsTemporalIdNestingFlag, |
| 2023 |
generalProfileSpace: general_profile_space, |
| 2024 |
generalTierFlag: general_tier_flag, |
| 2025 |
generalProfileIdc: general_profile_idc, |
| 2026 |
generalProfileCompatibilityFlags: general_profile_compatibility_flags, |
| 2027 |
generalConstraintIndicatorFlags: general_constraint_indicator_flags, |
| 2028 |
generalLevelIdc: general_level_idc, |
| 2029 |
chromaFormatIdc, |
| 2030 |
bitDepthLumaMinus8, |
| 2031 |
bitDepthChromaMinus8, |
| 2032 |
minSpatialSegmentationIdc |
| 2033 |
}; |
| 2034 |
} catch (error) { |
| 2035 |
Logging._error("Error parsing HEVC SPS:", error); |
| 2036 |
return null; |
| 2037 |
} |
| 2038 |
}; |
| 2039 |
var extractHevcDecoderConfigurationRecord = (packetData) => { |
| 2040 |
try { |
| 2041 |
const vpsUnits = []; |
| 2042 |
const spsUnits = []; |
| 2043 |
const ppsUnits = []; |
| 2044 |
const seiUnits = []; |
| 2045 |
for (const loc of iterateNalUnitsInAnnexB(packetData)) { |
| 2046 |
const nalUnit = packetData.subarray(loc.offset, loc.offset + loc.length); |
| 2047 |
const type = extractNalUnitTypeForHevc(nalUnit[0]); |
| 2048 |
if (type === HevcNalUnitType.VPS_NUT) { |
| 2049 |
vpsUnits.push(nalUnit); |
| 2050 |
} else if (type === HevcNalUnitType.SPS_NUT) { |
| 2051 |
spsUnits.push(nalUnit); |
| 2052 |
} else if (type === HevcNalUnitType.PPS_NUT) { |
| 2053 |
ppsUnits.push(nalUnit); |
| 2054 |
} else if (type === HevcNalUnitType.PREFIX_SEI_NUT || type === HevcNalUnitType.SUFFIX_SEI_NUT) { |
| 2055 |
seiUnits.push(nalUnit); |
| 2056 |
} |
| 2057 |
} |
| 2058 |
if (spsUnits.length === 0 || ppsUnits.length === 0) |
| 2059 |
return null; |
| 2060 |
const spsInfo = parseHevcSps(spsUnits[0]); |
| 2061 |
if (!spsInfo) |
| 2062 |
return null; |
| 2063 |
let parallelismType = 0; |
| 2064 |
if (ppsUnits.length > 0) { |
| 2065 |
const pps = ppsUnits[0]; |
| 2066 |
const ppsBitstream = new Bitstream(removeEmulationPreventionBytes(pps)); |
| 2067 |
ppsBitstream.skipBits(16); |
| 2068 |
readExpGolomb(ppsBitstream); |
| 2069 |
readExpGolomb(ppsBitstream); |
| 2070 |
ppsBitstream.skipBits(1); |
| 2071 |
ppsBitstream.skipBits(1); |
| 2072 |
ppsBitstream.skipBits(3); |
| 2073 |
ppsBitstream.skipBits(1); |
| 2074 |
ppsBitstream.skipBits(1); |
| 2075 |
readExpGolomb(ppsBitstream); |
| 2076 |
readExpGolomb(ppsBitstream); |
| 2077 |
readSignedExpGolomb(ppsBitstream); |
| 2078 |
ppsBitstream.skipBits(1); |
| 2079 |
ppsBitstream.skipBits(1); |
| 2080 |
if (ppsBitstream.readBits(1)) { |
| 2081 |
readExpGolomb(ppsBitstream); |
| 2082 |
} |
| 2083 |
readSignedExpGolomb(ppsBitstream); |
| 2084 |
readSignedExpGolomb(ppsBitstream); |
| 2085 |
ppsBitstream.skipBits(1); |
| 2086 |
ppsBitstream.skipBits(1); |
| 2087 |
ppsBitstream.skipBits(1); |
| 2088 |
ppsBitstream.skipBits(1); |
| 2089 |
const tiles_enabled_flag = ppsBitstream.readBits(1); |
| 2090 |
const entropy_coding_sync_enabled_flag = ppsBitstream.readBits(1); |
| 2091 |
if (!tiles_enabled_flag && !entropy_coding_sync_enabled_flag) |
| 2092 |
parallelismType = 0; |
| 2093 |
else if (tiles_enabled_flag && !entropy_coding_sync_enabled_flag) |
| 2094 |
parallelismType = 2; |
| 2095 |
else if (!tiles_enabled_flag && entropy_coding_sync_enabled_flag) |
| 2096 |
parallelismType = 3; |
| 2097 |
else |
| 2098 |
parallelismType = 0; |
| 2099 |
} |
| 2100 |
const arrays = [ |
| 2101 |
...vpsUnits.length ? [ |
| 2102 |
{ |
| 2103 |
arrayCompleteness: 1, |
| 2104 |
nalUnitType: HevcNalUnitType.VPS_NUT, |
| 2105 |
nalUnits: vpsUnits |
| 2106 |
} |
| 2107 |
] : [], |
| 2108 |
...spsUnits.length ? [ |
| 2109 |
{ |
| 2110 |
arrayCompleteness: 1, |
| 2111 |
nalUnitType: HevcNalUnitType.SPS_NUT, |
| 2112 |
nalUnits: spsUnits |
| 2113 |
} |
| 2114 |
] : [], |
| 2115 |
...ppsUnits.length ? [ |
| 2116 |
{ |
| 2117 |
arrayCompleteness: 1, |
| 2118 |
nalUnitType: HevcNalUnitType.PPS_NUT, |
| 2119 |
nalUnits: ppsUnits |
| 2120 |
} |
| 2121 |
] : [], |
| 2122 |
...seiUnits.length ? [ |
| 2123 |
{ |
| 2124 |
arrayCompleteness: 1, |
| 2125 |
nalUnitType: extractNalUnitTypeForHevc(seiUnits[0][0]), |
| 2126 |
nalUnits: seiUnits |
| 2127 |
} |
| 2128 |
] : [] |
| 2129 |
]; |
| 2130 |
const record = { |
| 2131 |
configurationVersion: 1, |
| 2132 |
generalProfileSpace: spsInfo.generalProfileSpace, |
| 2133 |
generalTierFlag: spsInfo.generalTierFlag, |
| 2134 |
generalProfileIdc: spsInfo.generalProfileIdc, |
| 2135 |
generalProfileCompatibilityFlags: spsInfo.generalProfileCompatibilityFlags, |
| 2136 |
generalConstraintIndicatorFlags: spsInfo.generalConstraintIndicatorFlags, |
| 2137 |
generalLevelIdc: spsInfo.generalLevelIdc, |
| 2138 |
minSpatialSegmentationIdc: spsInfo.minSpatialSegmentationIdc, |
| 2139 |
parallelismType, |
| 2140 |
chromaFormatIdc: spsInfo.chromaFormatIdc, |
| 2141 |
bitDepthLumaMinus8: spsInfo.bitDepthLumaMinus8, |
| 2142 |
bitDepthChromaMinus8: spsInfo.bitDepthChromaMinus8, |
| 2143 |
avgFrameRate: 0, |
| 2144 |
constantFrameRate: 0, |
| 2145 |
numTemporalLayers: spsInfo.spsMaxSubLayersMinus1 + 1, |
| 2146 |
temporalIdNested: spsInfo.spsTemporalIdNestingFlag, |
| 2147 |
lengthSizeMinusOne: 3, |
| 2148 |
arrays |
| 2149 |
}; |
| 2150 |
return record; |
| 2151 |
} catch (error) { |
| 2152 |
Logging._error("Error building HEVC Decoder Configuration Record:", error); |
| 2153 |
return null; |
| 2154 |
} |
| 2155 |
}; |
| 2156 |
var parseProfileTierLevel = (bitstream, maxNumSubLayersMinus1) => { |
| 2157 |
const general_profile_space = bitstream.readBits(2); |
| 2158 |
const general_tier_flag = bitstream.readBits(1); |
| 2159 |
const general_profile_idc = bitstream.readBits(5); |
| 2160 |
let general_profile_compatibility_flags = 0; |
| 2161 |
for (let i2 = 0; i2 < 32; i2++) { |
| 2162 |
general_profile_compatibility_flags = general_profile_compatibility_flags << 1 | bitstream.readBits(1); |
| 2163 |
} |
| 2164 |
const general_constraint_indicator_flags = new Uint8Array(6); |
| 2165 |
for (let i2 = 0; i2 < 6; i2++) { |
| 2166 |
general_constraint_indicator_flags[i2] = bitstream.readBits(8); |
| 2167 |
} |
| 2168 |
const general_level_idc = bitstream.readBits(8); |
| 2169 |
const sub_layer_profile_present_flag = []; |
| 2170 |
const sub_layer_level_present_flag = []; |
| 2171 |
for (let i2 = 0; i2 < maxNumSubLayersMinus1; i2++) { |
| 2172 |
sub_layer_profile_present_flag.push(bitstream.readBits(1)); |
| 2173 |
sub_layer_level_present_flag.push(bitstream.readBits(1)); |
| 2174 |
} |
| 2175 |
if (maxNumSubLayersMinus1 > 0) { |
| 2176 |
for (let i2 = maxNumSubLayersMinus1; i2 < 8; i2++) { |
| 2177 |
bitstream.skipBits(2); |
| 2178 |
} |
| 2179 |
} |
| 2180 |
for (let i2 = 0; i2 < maxNumSubLayersMinus1; i2++) { |
| 2181 |
if (sub_layer_profile_present_flag[i2]) |
| 2182 |
bitstream.skipBits(88); |
| 2183 |
if (sub_layer_level_present_flag[i2]) |
| 2184 |
bitstream.skipBits(8); |
| 2185 |
} |
| 2186 |
return { |
| 2187 |
general_profile_space, |
| 2188 |
general_tier_flag, |
| 2189 |
general_profile_idc, |
| 2190 |
general_profile_compatibility_flags, |
| 2191 |
general_constraint_indicator_flags, |
| 2192 |
general_level_idc |
| 2193 |
}; |
| 2194 |
}; |
| 2195 |
var skipScalingListData = (bitstream) => { |
| 2196 |
for (let sizeId = 0; sizeId < 4; sizeId++) { |
| 2197 |
for (let matrixId = 0; matrixId < (sizeId === 3 ? 2 : 6); matrixId++) { |
| 2198 |
const scaling_list_pred_mode_flag = bitstream.readBits(1); |
| 2199 |
if (!scaling_list_pred_mode_flag) { |
| 2200 |
readExpGolomb(bitstream); |
| 2201 |
} else { |
| 2202 |
const coefNum = Math.min(64, 1 << 4 + (sizeId << 1)); |
| 2203 |
if (sizeId > 1) { |
| 2204 |
readSignedExpGolomb(bitstream); |
| 2205 |
} |
| 2206 |
for (let i2 = 0; i2 < coefNum; i2++) { |
| 2207 |
readSignedExpGolomb(bitstream); |
| 2208 |
} |
| 2209 |
} |
| 2210 |
} |
| 2211 |
} |
| 2212 |
}; |
| 2213 |
var skipAllStRefPicSets = (bitstream, num_short_term_ref_pic_sets) => { |
| 2214 |
const NumDeltaPocs = []; |
| 2215 |
for (let stRpsIdx = 0; stRpsIdx < num_short_term_ref_pic_sets; stRpsIdx++) { |
| 2216 |
NumDeltaPocs[stRpsIdx] = skipStRefPicSet(bitstream, stRpsIdx, num_short_term_ref_pic_sets, NumDeltaPocs); |
| 2217 |
} |
| 2218 |
}; |
| 2219 |
var skipStRefPicSet = (bitstream, stRpsIdx, num_short_term_ref_pic_sets, NumDeltaPocs) => { |
| 2220 |
let NumDeltaPocsThis = 0; |
| 2221 |
let inter_ref_pic_set_prediction_flag = 0; |
| 2222 |
let RefRpsIdx = 0; |
| 2223 |
if (stRpsIdx !== 0) { |
| 2224 |
inter_ref_pic_set_prediction_flag = bitstream.readBits(1); |
| 2225 |
} |
| 2226 |
if (inter_ref_pic_set_prediction_flag) { |
| 2227 |
if (stRpsIdx === num_short_term_ref_pic_sets) { |
| 2228 |
const delta_idx_minus1 = readExpGolomb(bitstream); |
| 2229 |
RefRpsIdx = stRpsIdx - (delta_idx_minus1 + 1); |
| 2230 |
} else { |
| 2231 |
RefRpsIdx = stRpsIdx - 1; |
| 2232 |
} |
| 2233 |
bitstream.readBits(1); |
| 2234 |
readExpGolomb(bitstream); |
| 2235 |
const numDelta = NumDeltaPocs[RefRpsIdx] ?? 0; |
| 2236 |
for (let j = 0; j <= numDelta; j++) { |
| 2237 |
const used_by_curr_pic_flag = bitstream.readBits(1); |
| 2238 |
if (!used_by_curr_pic_flag) { |
| 2239 |
bitstream.readBits(1); |
| 2240 |
} |
| 2241 |
} |
| 2242 |
NumDeltaPocsThis = NumDeltaPocs[RefRpsIdx]; |
| 2243 |
} else { |
| 2244 |
const num_negative_pics = readExpGolomb(bitstream); |
| 2245 |
const num_positive_pics = readExpGolomb(bitstream); |
| 2246 |
for (let i2 = 0; i2 < num_negative_pics; i2++) { |
| 2247 |
readExpGolomb(bitstream); |
| 2248 |
bitstream.readBits(1); |
| 2249 |
} |
| 2250 |
for (let i2 = 0; i2 < num_positive_pics; i2++) { |
| 2251 |
readExpGolomb(bitstream); |
| 2252 |
bitstream.readBits(1); |
| 2253 |
} |
| 2254 |
NumDeltaPocsThis = num_negative_pics + num_positive_pics; |
| 2255 |
} |
| 2256 |
return NumDeltaPocsThis; |
| 2257 |
}; |
| 2258 |
var parseHevcVui = (bitstream, sps_max_sub_layers_minus1) => { |
| 2259 |
let colourPrimaries = 2; |
| 2260 |
let transferCharacteristics = 2; |
| 2261 |
let matrixCoefficients = 2; |
| 2262 |
let fullRangeFlag = 0; |
| 2263 |
let minSpatialSegmentationIdc = 0; |
| 2264 |
let pixelAspectRatio = { num: 1, den: 1 }; |
| 2265 |
if (bitstream.readBits(1)) { |
| 2266 |
const aspect_ratio_idc = bitstream.readBits(8); |
| 2267 |
if (aspect_ratio_idc === 255) { |
| 2268 |
pixelAspectRatio = { |
| 2269 |
num: bitstream.readBits(16), |
| 2270 |
den: bitstream.readBits(16) |
| 2271 |
}; |
| 2272 |
} else { |
| 2273 |
const aspectRatio = AVC_HEVC_ASPECT_RATIO_IDC_TABLE[aspect_ratio_idc]; |
| 2274 |
if (aspectRatio) { |
| 2275 |
pixelAspectRatio = aspectRatio; |
| 2276 |
} |
| 2277 |
} |
| 2278 |
} |
| 2279 |
if (bitstream.readBits(1)) { |
| 2280 |
bitstream.readBits(1); |
| 2281 |
} |
| 2282 |
if (bitstream.readBits(1)) { |
| 2283 |
bitstream.readBits(3); |
| 2284 |
fullRangeFlag = bitstream.readBits(1); |
| 2285 |
if (bitstream.readBits(1)) { |
| 2286 |
colourPrimaries = bitstream.readBits(8); |
| 2287 |
transferCharacteristics = bitstream.readBits(8); |
| 2288 |
matrixCoefficients = bitstream.readBits(8); |
| 2289 |
} |
| 2290 |
} |
| 2291 |
if (bitstream.readBits(1)) { |
| 2292 |
readExpGolomb(bitstream); |
| 2293 |
readExpGolomb(bitstream); |
| 2294 |
} |
| 2295 |
bitstream.readBits(1); |
| 2296 |
bitstream.readBits(1); |
| 2297 |
bitstream.readBits(1); |
| 2298 |
if (bitstream.readBits(1)) { |
| 2299 |
readExpGolomb(bitstream); |
| 2300 |
readExpGolomb(bitstream); |
| 2301 |
readExpGolomb(bitstream); |
| 2302 |
readExpGolomb(bitstream); |
| 2303 |
} |
| 2304 |
if (bitstream.readBits(1)) { |
| 2305 |
bitstream.readBits(32); |
| 2306 |
bitstream.readBits(32); |
| 2307 |
if (bitstream.readBits(1)) { |
| 2308 |
readExpGolomb(bitstream); |
| 2309 |
} |
| 2310 |
if (bitstream.readBits(1)) { |
| 2311 |
skipHevcHrdParameters(bitstream, true, sps_max_sub_layers_minus1); |
| 2312 |
} |
| 2313 |
} |
| 2314 |
if (bitstream.readBits(1)) { |
| 2315 |
bitstream.readBits(1); |
| 2316 |
bitstream.readBits(1); |
| 2317 |
bitstream.readBits(1); |
| 2318 |
minSpatialSegmentationIdc = readExpGolomb(bitstream); |
| 2319 |
readExpGolomb(bitstream); |
| 2320 |
readExpGolomb(bitstream); |
| 2321 |
readExpGolomb(bitstream); |
| 2322 |
readExpGolomb(bitstream); |
| 2323 |
} |
| 2324 |
return { |
| 2325 |
pixelAspectRatio, |
| 2326 |
colourPrimaries, |
| 2327 |
transferCharacteristics, |
| 2328 |
matrixCoefficients, |
| 2329 |
fullRangeFlag, |
| 2330 |
minSpatialSegmentationIdc |
| 2331 |
}; |
| 2332 |
}; |
| 2333 |
var skipHevcHrdParameters = (bitstream, commonInfPresentFlag, maxNumSubLayersMinus1) => { |
| 2334 |
let nal_hrd_parameters_present_flag = false; |
| 2335 |
let vcl_hrd_parameters_present_flag = false; |
| 2336 |
let sub_pic_hrd_params_present_flag = false; |
| 2337 |
if (commonInfPresentFlag) { |
| 2338 |
nal_hrd_parameters_present_flag = bitstream.readBits(1) === 1; |
| 2339 |
vcl_hrd_parameters_present_flag = bitstream.readBits(1) === 1; |
| 2340 |
if (nal_hrd_parameters_present_flag || vcl_hrd_parameters_present_flag) { |
| 2341 |
sub_pic_hrd_params_present_flag = bitstream.readBits(1) === 1; |
| 2342 |
if (sub_pic_hrd_params_present_flag) { |
| 2343 |
bitstream.readBits(8); |
| 2344 |
bitstream.readBits(5); |
| 2345 |
bitstream.readBits(1); |
| 2346 |
bitstream.readBits(5); |
| 2347 |
} |
| 2348 |
bitstream.readBits(4); |
| 2349 |
bitstream.readBits(4); |
| 2350 |
if (sub_pic_hrd_params_present_flag) { |
| 2351 |
bitstream.readBits(4); |
| 2352 |
} |
| 2353 |
bitstream.readBits(5); |
| 2354 |
bitstream.readBits(5); |
| 2355 |
bitstream.readBits(5); |
| 2356 |
} |
| 2357 |
} |
| 2358 |
for (let i2 = 0; i2 <= maxNumSubLayersMinus1; i2++) { |
| 2359 |
const fixed_pic_rate_general_flag = bitstream.readBits(1) === 1; |
| 2360 |
let fixed_pic_rate_within_cvs_flag = true; |
| 2361 |
if (!fixed_pic_rate_general_flag) { |
| 2362 |
fixed_pic_rate_within_cvs_flag = bitstream.readBits(1) === 1; |
| 2363 |
} |
| 2364 |
let low_delay_hrd_flag = false; |
| 2365 |
if (fixed_pic_rate_within_cvs_flag) { |
| 2366 |
readExpGolomb(bitstream); |
| 2367 |
} else { |
| 2368 |
low_delay_hrd_flag = bitstream.readBits(1) === 1; |
| 2369 |
} |
| 2370 |
let CpbCnt = 1; |
| 2371 |
if (!low_delay_hrd_flag) { |
| 2372 |
const cpb_cnt_minus1 = readExpGolomb(bitstream); |
| 2373 |
CpbCnt = cpb_cnt_minus1 + 1; |
| 2374 |
} |
| 2375 |
if (nal_hrd_parameters_present_flag) { |
| 2376 |
skipSubLayerHrdParameters(bitstream, CpbCnt, sub_pic_hrd_params_present_flag); |
| 2377 |
} |
| 2378 |
if (vcl_hrd_parameters_present_flag) { |
| 2379 |
skipSubLayerHrdParameters(bitstream, CpbCnt, sub_pic_hrd_params_present_flag); |
| 2380 |
} |
| 2381 |
} |
| 2382 |
}; |
| 2383 |
var skipSubLayerHrdParameters = (bitstream, CpbCnt, sub_pic_hrd_params_present_flag) => { |
| 2384 |
for (let i2 = 0; i2 < CpbCnt; i2++) { |
| 2385 |
readExpGolomb(bitstream); |
| 2386 |
readExpGolomb(bitstream); |
| 2387 |
if (sub_pic_hrd_params_present_flag) { |
| 2388 |
readExpGolomb(bitstream); |
| 2389 |
readExpGolomb(bitstream); |
| 2390 |
} |
| 2391 |
bitstream.readBits(1); |
| 2392 |
} |
| 2393 |
}; |
| 2394 |
var serializeHevcDecoderConfigurationRecord = (record) => { |
| 2395 |
const bytes2 = []; |
| 2396 |
bytes2.push(record.configurationVersion); |
| 2397 |
bytes2.push((record.generalProfileSpace & 3) << 6 | (record.generalTierFlag & 1) << 5 | record.generalProfileIdc & 31); |
| 2398 |
bytes2.push(record.generalProfileCompatibilityFlags >>> 24 & 255); |
| 2399 |
bytes2.push(record.generalProfileCompatibilityFlags >>> 16 & 255); |
| 2400 |
bytes2.push(record.generalProfileCompatibilityFlags >>> 8 & 255); |
| 2401 |
bytes2.push(record.generalProfileCompatibilityFlags & 255); |
| 2402 |
bytes2.push(...record.generalConstraintIndicatorFlags); |
| 2403 |
bytes2.push(record.generalLevelIdc & 255); |
| 2404 |
bytes2.push(240 | record.minSpatialSegmentationIdc >> 8 & 15); |
| 2405 |
bytes2.push(record.minSpatialSegmentationIdc & 255); |
| 2406 |
bytes2.push(252 | record.parallelismType & 3); |
| 2407 |
bytes2.push(252 | record.chromaFormatIdc & 3); |
| 2408 |
bytes2.push(248 | record.bitDepthLumaMinus8 & 7); |
| 2409 |
bytes2.push(248 | record.bitDepthChromaMinus8 & 7); |
| 2410 |
bytes2.push(record.avgFrameRate >> 8 & 255); |
| 2411 |
bytes2.push(record.avgFrameRate & 255); |
| 2412 |
bytes2.push((record.constantFrameRate & 3) << 6 | (record.numTemporalLayers & 7) << 3 | (record.temporalIdNested & 1) << 2 | record.lengthSizeMinusOne & 3); |
| 2413 |
bytes2.push(record.arrays.length & 255); |
| 2414 |
for (const arr of record.arrays) { |
| 2415 |
bytes2.push((arr.arrayCompleteness & 1) << 7 | 0 << 6 | arr.nalUnitType & 63); |
| 2416 |
bytes2.push(arr.nalUnits.length >> 8 & 255); |
| 2417 |
bytes2.push(arr.nalUnits.length & 255); |
| 2418 |
for (const nal of arr.nalUnits) { |
| 2419 |
bytes2.push(nal.length >> 8 & 255); |
| 2420 |
bytes2.push(nal.length & 255); |
| 2421 |
for (let i2 = 0; i2 < nal.length; i2++) { |
| 2422 |
bytes2.push(nal[i2]); |
| 2423 |
} |
| 2424 |
} |
| 2425 |
} |
| 2426 |
return new Uint8Array(bytes2); |
| 2427 |
}; |
| 2428 |
var HevcNaluOrderState; |
| 2429 |
(function(HevcNaluOrderState2) { |
| 2430 |
HevcNaluOrderState2[HevcNaluOrderState2["audAllowed"] = 0] = "audAllowed"; |
| 2431 |
HevcNaluOrderState2[HevcNaluOrderState2["beforeFirstVcl"] = 1] = "beforeFirstVcl"; |
| 2432 |
HevcNaluOrderState2[HevcNaluOrderState2["afterFirstVcl"] = 2] = "afterFirstVcl"; |
| 2433 |
HevcNaluOrderState2[HevcNaluOrderState2["eoBitstreamAllowed"] = 3] = "eoBitstreamAllowed"; |
| 2434 |
HevcNaluOrderState2[HevcNaluOrderState2["noMoreDataAllowed"] = 4] = "noMoreDataAllowed"; |
| 2435 |
})(HevcNaluOrderState || (HevcNaluOrderState = {})); |
| 2436 |
var iterateAv1PacketObus = function* (packet) { |
| 2437 |
const bitstream = new Bitstream(packet); |
| 2438 |
const readLeb128 = () => { |
| 2439 |
let value = 0; |
| 2440 |
for (let i2 = 0; i2 < 8; i2++) { |
| 2441 |
const byte = bitstream.readAlignedByte(); |
| 2442 |
value |= (byte & 127) << i2 * 7; |
| 2443 |
if (!(byte & 128)) { |
| 2444 |
break; |
| 2445 |
} |
| 2446 |
if (i2 === 7 && byte & 128) { |
| 2447 |
return null; |
| 2448 |
} |
| 2449 |
} |
| 2450 |
if (value >= 2 ** 32 - 1) { |
| 2451 |
return null; |
| 2452 |
} |
| 2453 |
return value; |
| 2454 |
}; |
| 2455 |
while (bitstream.getBitsLeft() >= 8) { |
| 2456 |
bitstream.skipBits(1); |
| 2457 |
const obuType = bitstream.readBits(4); |
| 2458 |
const obuExtension = bitstream.readBits(1); |
| 2459 |
const obuHasSizeField = bitstream.readBits(1); |
| 2460 |
bitstream.skipBits(1); |
| 2461 |
if (obuExtension) { |
| 2462 |
bitstream.skipBits(8); |
| 2463 |
} |
| 2464 |
let obuSize; |
| 2465 |
if (obuHasSizeField) { |
| 2466 |
const obuSizeValue = readLeb128(); |
| 2467 |
if (obuSizeValue === null) |
| 2468 |
return; |
| 2469 |
obuSize = obuSizeValue; |
| 2470 |
} else { |
| 2471 |
obuSize = Math.floor(bitstream.getBitsLeft() / 8); |
| 2472 |
} |
| 2473 |
assert(bitstream.pos % 8 === 0); |
| 2474 |
yield { |
| 2475 |
type: obuType, |
| 2476 |
data: packet.subarray(bitstream.pos / 8, bitstream.pos / 8 + obuSize) |
| 2477 |
}; |
| 2478 |
bitstream.skipBits(obuSize * 8); |
| 2479 |
} |
| 2480 |
}; |
| 2481 |
var parseOpusIdentificationHeader = (bytes2) => { |
| 2482 |
const view2 = toDataView(bytes2); |
| 2483 |
const outputChannelCount = view2.getUint8(9); |
| 2484 |
const preSkip = view2.getUint16(10, true); |
| 2485 |
const inputSampleRate = view2.getUint32(12, true); |
| 2486 |
const outputGain = view2.getInt16(16, true); |
| 2487 |
const channelMappingFamily = view2.getUint8(18); |
| 2488 |
let channelMappingTable = null; |
| 2489 |
if (channelMappingFamily) { |
| 2490 |
channelMappingTable = bytes2.subarray(19, 19 + 2 + outputChannelCount); |
| 2491 |
} |
| 2492 |
return { |
| 2493 |
outputChannelCount, |
| 2494 |
preSkip, |
| 2495 |
inputSampleRate, |
| 2496 |
outputGain, |
| 2497 |
channelMappingFamily, |
| 2498 |
channelMappingTable |
| 2499 |
}; |
| 2500 |
}; |
| 2501 |
var determineVideoPacketType = (codec, decoderConfig, packetData) => { |
| 2502 |
switch (codec) { |
| 2503 |
case "avc": |
| 2504 |
{ |
| 2505 |
for (const loc of iterateAvcNalUnits(packetData, decoderConfig)) { |
| 2506 |
const nalTypeByte = packetData[loc.offset]; |
| 2507 |
const type = extractNalUnitTypeForAvc(nalTypeByte); |
| 2508 |
if (type >= AvcNalUnitType.NON_IDR_SLICE && type <= AvcNalUnitType.SLICE_DPC) { |
| 2509 |
return "delta"; |
| 2510 |
} |
| 2511 |
if (type === AvcNalUnitType.IDR) { |
| 2512 |
return "key"; |
| 2513 |
} |
| 2514 |
if (type === AvcNalUnitType.SEI && (!isChromium() || getChromiumVersion() >= 144)) { |
| 2515 |
const nalUnit = packetData.subarray(loc.offset, loc.offset + loc.length); |
| 2516 |
const bytes2 = removeEmulationPreventionBytes(nalUnit); |
| 2517 |
let pos = 1; |
| 2518 |
do { |
| 2519 |
let payloadType = 0; |
| 2520 |
while (true) { |
| 2521 |
const nextByte = bytes2[pos++]; |
| 2522 |
if (nextByte === void 0) |
| 2523 |
break; |
| 2524 |
payloadType += nextByte; |
| 2525 |
if (nextByte < 255) { |
| 2526 |
break; |
| 2527 |
} |
| 2528 |
} |
| 2529 |
let payloadSize = 0; |
| 2530 |
while (true) { |
| 2531 |
const nextByte = bytes2[pos++]; |
| 2532 |
if (nextByte === void 0) |
| 2533 |
break; |
| 2534 |
payloadSize += nextByte; |
| 2535 |
if (nextByte < 255) { |
| 2536 |
break; |
| 2537 |
} |
| 2538 |
} |
| 2539 |
const PAYLOAD_TYPE_RECOVERY_POINT = 6; |
| 2540 |
if (payloadType === PAYLOAD_TYPE_RECOVERY_POINT) { |
| 2541 |
const bitstream = new Bitstream(bytes2); |
| 2542 |
bitstream.pos = 8 * pos; |
| 2543 |
const recoveryFrameCount = readExpGolomb(bitstream); |
| 2544 |
const exactMatchFlag = bitstream.readBits(1); |
| 2545 |
if (recoveryFrameCount === 0 && exactMatchFlag === 1) { |
| 2546 |
return "key"; |
| 2547 |
} |
| 2548 |
} |
| 2549 |
pos += payloadSize; |
| 2550 |
} while (pos < bytes2.length - 1); |
| 2551 |
} |
| 2552 |
} |
| 2553 |
return "delta"; |
| 2554 |
} |
| 2555 |
; |
| 2556 |
case "hevc": |
| 2557 |
{ |
| 2558 |
for (const loc of iterateHevcNalUnits(packetData, decoderConfig)) { |
| 2559 |
const type = extractNalUnitTypeForHevc(packetData[loc.offset]); |
| 2560 |
if (type < HevcNalUnitType.BLA_W_LP) { |
| 2561 |
return "delta"; |
| 2562 |
} |
| 2563 |
if (type <= HevcNalUnitType.RSV_IRAP_VCL23) { |
| 2564 |
return "key"; |
| 2565 |
} |
| 2566 |
} |
| 2567 |
return "delta"; |
| 2568 |
} |
| 2569 |
; |
| 2570 |
case "vp8": |
| 2571 |
{ |
| 2572 |
const frameType = packetData[0] & 1; |
| 2573 |
return frameType === 0 ? "key" : "delta"; |
| 2574 |
} |
| 2575 |
; |
| 2576 |
case "vp9": |
| 2577 |
{ |
| 2578 |
const bitstream = new Bitstream(packetData); |
| 2579 |
if (bitstream.readBits(2) !== 2) { |
| 2580 |
return null; |
| 2581 |
} |
| 2582 |
; |
| 2583 |
const profileLowBit = bitstream.readBits(1); |
| 2584 |
const profileHighBit = bitstream.readBits(1); |
| 2585 |
const profile = (profileHighBit << 1) + profileLowBit; |
| 2586 |
if (profile === 3) { |
| 2587 |
bitstream.skipBits(1); |
| 2588 |
} |
| 2589 |
const showExistingFrame = bitstream.readBits(1); |
| 2590 |
if (showExistingFrame) { |
| 2591 |
return null; |
| 2592 |
} |
| 2593 |
const frameType = bitstream.readBits(1); |
| 2594 |
return frameType === 0 ? "key" : "delta"; |
| 2595 |
} |
| 2596 |
; |
| 2597 |
case "av1": |
| 2598 |
{ |
| 2599 |
let reducedStillPictureHeader = false; |
| 2600 |
for (const { type, data } of iterateAv1PacketObus(packetData)) { |
| 2601 |
if (type === 1) { |
| 2602 |
const bitstream = new Bitstream(data); |
| 2603 |
bitstream.skipBits(4); |
| 2604 |
reducedStillPictureHeader = !!bitstream.readBits(1); |
| 2605 |
} else if (type === 3 || type === 6 || type === 7) { |
| 2606 |
if (reducedStillPictureHeader) { |
| 2607 |
return "key"; |
| 2608 |
} |
| 2609 |
const bitstream = new Bitstream(data); |
| 2610 |
const showExistingFrame = bitstream.readBits(1); |
| 2611 |
if (showExistingFrame) { |
| 2612 |
return null; |
| 2613 |
} |
| 2614 |
const frameType = bitstream.readBits(2); |
| 2615 |
return frameType === 0 ? "key" : "delta"; |
| 2616 |
} |
| 2617 |
} |
| 2618 |
return null; |
| 2619 |
} |
| 2620 |
; |
| 2621 |
default: |
| 2622 |
{ |
| 2623 |
assertNever(codec); |
| 2624 |
assert(false); |
| 2625 |
} |
| 2626 |
; |
| 2627 |
} |
| 2628 |
}; |
| 2629 |
var FlacBlockType; |
| 2630 |
(function(FlacBlockType2) { |
| 2631 |
FlacBlockType2[FlacBlockType2["STREAMINFO"] = 0] = "STREAMINFO"; |
| 2632 |
FlacBlockType2[FlacBlockType2["VORBIS_COMMENT"] = 4] = "VORBIS_COMMENT"; |
| 2633 |
FlacBlockType2[FlacBlockType2["PICTURE"] = 6] = "PICTURE"; |
| 2634 |
})(FlacBlockType || (FlacBlockType = {})); |
| 2635 |
var parseAc3SyncFrame = (data) => { |
| 2636 |
if (data.length < 7) { |
| 2637 |
return null; |
| 2638 |
} |
| 2639 |
if (data[0] !== 11 || data[1] !== 119) { |
| 2640 |
return null; |
| 2641 |
} |
| 2642 |
const bitstream = new Bitstream(data); |
| 2643 |
bitstream.skipBits(16); |
| 2644 |
bitstream.skipBits(16); |
| 2645 |
const fscod = bitstream.readBits(2); |
| 2646 |
if (fscod === 3) { |
| 2647 |
return null; |
| 2648 |
} |
| 2649 |
const frmsizecod = bitstream.readBits(6); |
| 2650 |
const bsid = bitstream.readBits(5); |
| 2651 |
if (bsid > 8) { |
| 2652 |
return null; |
| 2653 |
} |
| 2654 |
const bsmod = bitstream.readBits(3); |
| 2655 |
const acmod = bitstream.readBits(3); |
| 2656 |
if ((acmod & 1) !== 0 && acmod !== 1) { |
| 2657 |
bitstream.skipBits(2); |
| 2658 |
} |
| 2659 |
if ((acmod & 4) !== 0) { |
| 2660 |
bitstream.skipBits(2); |
| 2661 |
} |
| 2662 |
if (acmod === 2) { |
| 2663 |
bitstream.skipBits(2); |
| 2664 |
} |
| 2665 |
const lfeon = bitstream.readBits(1); |
| 2666 |
const bitRateCode = Math.floor(frmsizecod / 2); |
| 2667 |
return { fscod, bsid, bsmod, acmod, lfeon, bitRateCode }; |
| 2668 |
}; |
| 2669 |
var AC3_FRAME_SIZES = [ |
| 2670 |
// frmsizecod, [48kHz, 44.1kHz, 32kHz] in bytes |
| 2671 |
64 * 2, |
| 2672 |
69 * 2, |
| 2673 |
96 * 2, |
| 2674 |
64 * 2, |
| 2675 |
70 * 2, |
| 2676 |
96 * 2, |
| 2677 |
80 * 2, |
| 2678 |
87 * 2, |
| 2679 |
120 * 2, |
| 2680 |
80 * 2, |
| 2681 |
88 * 2, |
| 2682 |
120 * 2, |
| 2683 |
96 * 2, |
| 2684 |
104 * 2, |
| 2685 |
144 * 2, |
| 2686 |
96 * 2, |
| 2687 |
105 * 2, |
| 2688 |
144 * 2, |
| 2689 |
112 * 2, |
| 2690 |
121 * 2, |
| 2691 |
168 * 2, |
| 2692 |
112 * 2, |
| 2693 |
122 * 2, |
| 2694 |
168 * 2, |
| 2695 |
128 * 2, |
| 2696 |
139 * 2, |
| 2697 |
192 * 2, |
| 2698 |
128 * 2, |
| 2699 |
140 * 2, |
| 2700 |
192 * 2, |
| 2701 |
160 * 2, |
| 2702 |
174 * 2, |
| 2703 |
240 * 2, |
| 2704 |
160 * 2, |
| 2705 |
175 * 2, |
| 2706 |
240 * 2, |
| 2707 |
192 * 2, |
| 2708 |
208 * 2, |
| 2709 |
288 * 2, |
| 2710 |
192 * 2, |
| 2711 |
209 * 2, |
| 2712 |
288 * 2, |
| 2713 |
224 * 2, |
| 2714 |
243 * 2, |
| 2715 |
336 * 2, |
| 2716 |
224 * 2, |
| 2717 |
244 * 2, |
| 2718 |
336 * 2, |
| 2719 |
256 * 2, |
| 2720 |
278 * 2, |
| 2721 |
384 * 2, |
| 2722 |
256 * 2, |
| 2723 |
279 * 2, |
| 2724 |
384 * 2, |
| 2725 |
320 * 2, |
| 2726 |
348 * 2, |
| 2727 |
480 * 2, |
| 2728 |
320 * 2, |
| 2729 |
349 * 2, |
| 2730 |
480 * 2, |
| 2731 |
384 * 2, |
| 2732 |
417 * 2, |
| 2733 |
576 * 2, |
| 2734 |
384 * 2, |
| 2735 |
418 * 2, |
| 2736 |
576 * 2, |
| 2737 |
448 * 2, |
| 2738 |
487 * 2, |
| 2739 |
672 * 2, |
| 2740 |
448 * 2, |
| 2741 |
488 * 2, |
| 2742 |
672 * 2, |
| 2743 |
512 * 2, |
| 2744 |
557 * 2, |
| 2745 |
768 * 2, |
| 2746 |
512 * 2, |
| 2747 |
558 * 2, |
| 2748 |
768 * 2, |
| 2749 |
640 * 2, |
| 2750 |
696 * 2, |
| 2751 |
960 * 2, |
| 2752 |
640 * 2, |
| 2753 |
697 * 2, |
| 2754 |
960 * 2, |
| 2755 |
768 * 2, |
| 2756 |
835 * 2, |
| 2757 |
1152 * 2, |
| 2758 |
768 * 2, |
| 2759 |
836 * 2, |
| 2760 |
1152 * 2, |
| 2761 |
896 * 2, |
| 2762 |
975 * 2, |
| 2763 |
1344 * 2, |
| 2764 |
896 * 2, |
| 2765 |
976 * 2, |
| 2766 |
1344 * 2, |
| 2767 |
1024 * 2, |
| 2768 |
1114 * 2, |
| 2769 |
1536 * 2, |
| 2770 |
1024 * 2, |
| 2771 |
1115 * 2, |
| 2772 |
1536 * 2, |
| 2773 |
1152 * 2, |
| 2774 |
1253 * 2, |
| 2775 |
1728 * 2, |
| 2776 |
1152 * 2, |
| 2777 |
1254 * 2, |
| 2778 |
1728 * 2, |
| 2779 |
1280 * 2, |
| 2780 |
1393 * 2, |
| 2781 |
1920 * 2, |
| 2782 |
1280 * 2, |
| 2783 |
1394 * 2, |
| 2784 |
1920 * 2 |
| 2785 |
]; |
| 2786 |
var AC3_REGISTRATION_DESCRIPTOR = new Uint8Array([5, 4, 65, 67, 45, 51]); |
| 2787 |
var EAC3_REGISTRATION_DESCRIPTOR = new Uint8Array([5, 4, 69, 65, 67, 51]); |
| 2788 |
var EAC3_NUMBLKS_TABLE = [1, 2, 3, 6]; |
| 2789 |
var parseEac3SyncFrame = (data) => { |
| 2790 |
if (data.length < 6) { |
| 2791 |
return null; |
| 2792 |
} |
| 2793 |
if (data[0] !== 11 || data[1] !== 119) { |
| 2794 |
return null; |
| 2795 |
} |
| 2796 |
const bitstream = new Bitstream(data); |
| 2797 |
bitstream.skipBits(16); |
| 2798 |
const strmtyp = bitstream.readBits(2); |
| 2799 |
bitstream.skipBits(3); |
| 2800 |
if (strmtyp !== 0 && strmtyp !== 2) { |
| 2801 |
return null; |
| 2802 |
} |
| 2803 |
const frmsiz = bitstream.readBits(11); |
| 2804 |
const fscod = bitstream.readBits(2); |
| 2805 |
let fscod2 = 0; |
| 2806 |
let numblkscod; |
| 2807 |
if (fscod === 3) { |
| 2808 |
fscod2 = bitstream.readBits(2); |
| 2809 |
numblkscod = 3; |
| 2810 |
} else { |
| 2811 |
numblkscod = bitstream.readBits(2); |
| 2812 |
} |
| 2813 |
const acmod = bitstream.readBits(3); |
| 2814 |
const lfeon = bitstream.readBits(1); |
| 2815 |
const bsid = bitstream.readBits(5); |
| 2816 |
if (bsid < 11 || bsid > 16) { |
| 2817 |
return null; |
| 2818 |
} |
| 2819 |
const numblks = EAC3_NUMBLKS_TABLE[numblkscod]; |
| 2820 |
let fs; |
| 2821 |
if (fscod < 3) { |
| 2822 |
fs = AC3_SAMPLE_RATES[fscod] / 1e3; |
| 2823 |
} else { |
| 2824 |
fs = EAC3_REDUCED_SAMPLE_RATES[fscod2] / 1e3; |
| 2825 |
} |
| 2826 |
const dataRate = Math.round((frmsiz + 1) * fs / (numblks * 16)); |
| 2827 |
const bsmod = 0; |
| 2828 |
const numDepSub = 0; |
| 2829 |
const chanLoc = 0; |
| 2830 |
const substream = { |
| 2831 |
fscod, |
| 2832 |
fscod2, |
| 2833 |
bsid, |
| 2834 |
bsmod, |
| 2835 |
acmod, |
| 2836 |
lfeon, |
| 2837 |
numDepSub, |
| 2838 |
chanLoc |
| 2839 |
}; |
| 2840 |
return { |
| 2841 |
dataRate, |
| 2842 |
substreams: [substream] |
| 2843 |
}; |
| 2844 |
}; |
| 2845 |
|
| 2846 |
// node_modules/mediabunny/dist/modules/src/packet.js |
| 2847 |
var PLACEHOLDER_DATA = /* @__PURE__ */ new Uint8Array(0); |
| 2848 |
var EncodedPacket = class _EncodedPacket { |
| 2849 |
/** Creates a new {@link EncodedPacket} from raw bytes and timing information. */ |
| 2850 |
constructor(data, type, timestamp, duration, sequenceNumber = -1, byteLength, sideData) { |
| 2851 |
this.data = data; |
| 2852 |
this.type = type; |
| 2853 |
this.timestamp = timestamp; |
| 2854 |
this.duration = duration; |
| 2855 |
this.sequenceNumber = sequenceNumber; |
| 2856 |
if (data === PLACEHOLDER_DATA && byteLength === void 0) { |
| 2857 |
throw new Error("Internal error: byteLength must be explicitly provided when constructing metadata-only packets."); |
| 2858 |
} |
| 2859 |
if (byteLength === void 0) { |
| 2860 |
byteLength = data.byteLength; |
| 2861 |
} |
| 2862 |
if (!(data instanceof Uint8Array)) { |
| 2863 |
throw new TypeError("data must be a Uint8Array."); |
| 2864 |
} |
| 2865 |
if (type !== "key" && type !== "delta") { |
| 2866 |
throw new TypeError('type must be either "key" or "delta".'); |
| 2867 |
} |
| 2868 |
if (!Number.isFinite(timestamp)) { |
| 2869 |
throw new TypeError("timestamp must be a number."); |
| 2870 |
} |
| 2871 |
if (!Number.isFinite(duration) || duration < 0) { |
| 2872 |
throw new TypeError("duration must be a non-negative number."); |
| 2873 |
} |
| 2874 |
if (!Number.isFinite(sequenceNumber)) { |
| 2875 |
throw new TypeError("sequenceNumber must be a number."); |
| 2876 |
} |
| 2877 |
if (!Number.isInteger(byteLength) || byteLength < 0) { |
| 2878 |
throw new TypeError("byteLength must be a non-negative integer."); |
| 2879 |
} |
| 2880 |
if (sideData !== void 0 && (typeof sideData !== "object" || !sideData)) { |
| 2881 |
throw new TypeError("sideData, when provided, must be an object."); |
| 2882 |
} |
| 2883 |
if (sideData?.alpha !== void 0 && !(sideData.alpha instanceof Uint8Array)) { |
| 2884 |
throw new TypeError("sideData.alpha, when provided, must be a Uint8Array."); |
| 2885 |
} |
| 2886 |
if (sideData?.alphaByteLength !== void 0 && (!Number.isInteger(sideData.alphaByteLength) || sideData.alphaByteLength < 0)) { |
| 2887 |
throw new TypeError("sideData.alphaByteLength, when provided, must be a non-negative integer."); |
| 2888 |
} |
| 2889 |
this.byteLength = byteLength; |
| 2890 |
this.sideData = sideData ?? {}; |
| 2891 |
if (this.sideData.alpha && this.sideData.alphaByteLength === void 0) { |
| 2892 |
this.sideData.alphaByteLength = this.sideData.alpha.byteLength; |
| 2893 |
} |
| 2894 |
} |
| 2895 |
/** |
| 2896 |
* If this packet is a metadata-only packet. Metadata-only packets don't contain their packet data. They are the |
| 2897 |
* result of retrieving packets with {@link PacketRetrievalOptions.metadataOnly} set to \`true\`. |
| 2898 |
*/ |
| 2899 |
get isMetadataOnly() { |
| 2900 |
return this.data === PLACEHOLDER_DATA; |
| 2901 |
} |
| 2902 |
/** The timestamp of this packet in microseconds. */ |
| 2903 |
get microsecondTimestamp() { |
| 2904 |
return Math.trunc(SECOND_TO_MICROSECOND_FACTOR * this.timestamp); |
| 2905 |
} |
| 2906 |
/** The duration of this packet in microseconds. */ |
| 2907 |
get microsecondDuration() { |
| 2908 |
return Math.trunc(SECOND_TO_MICROSECOND_FACTOR * this.duration); |
| 2909 |
} |
| 2910 |
/** Converts this packet to an |
| 2911 |
* [\`EncodedVideoChunk\`](https://developer.mozilla.org/en-US/docs/Web/API/EncodedVideoChunk) for use with the |
| 2912 |
* WebCodecs API. */ |
| 2913 |
toEncodedVideoChunk() { |
| 2914 |
if (this.isMetadataOnly) { |
| 2915 |
throw new TypeError("Metadata-only packets cannot be converted to a video chunk."); |
| 2916 |
} |
| 2917 |
if (typeof EncodedVideoChunk === "undefined") { |
| 2918 |
throw new Error("Your browser does not support EncodedVideoChunk."); |
| 2919 |
} |
| 2920 |
return new EncodedVideoChunk({ |
| 2921 |
data: this.data, |
| 2922 |
type: this.type, |
| 2923 |
timestamp: this.microsecondTimestamp, |
| 2924 |
duration: this.microsecondDuration |
| 2925 |
}); |
| 2926 |
} |
| 2927 |
/** |
| 2928 |
* Converts this packet to an |
| 2929 |
* [\`EncodedVideoChunk\`](https://developer.mozilla.org/en-US/docs/Web/API/EncodedVideoChunk) for use with the |
| 2930 |
* WebCodecs API, using the alpha side data instead of the color data. Throws if no alpha side data is defined. |
| 2931 |
*/ |
| 2932 |
alphaToEncodedVideoChunk(type = this.type) { |
| 2933 |
if (!this.sideData.alpha) { |
| 2934 |
throw new TypeError("This packet does not contain alpha side data."); |
| 2935 |
} |
| 2936 |
if (this.isMetadataOnly) { |
| 2937 |
throw new TypeError("Metadata-only packets cannot be converted to a video chunk."); |
| 2938 |
} |
| 2939 |
if (typeof EncodedVideoChunk === "undefined") { |
| 2940 |
throw new Error("Your browser does not support EncodedVideoChunk."); |
| 2941 |
} |
| 2942 |
return new EncodedVideoChunk({ |
| 2943 |
data: this.sideData.alpha, |
| 2944 |
type, |
| 2945 |
timestamp: this.microsecondTimestamp, |
| 2946 |
duration: this.microsecondDuration |
| 2947 |
}); |
| 2948 |
} |
| 2949 |
/** Converts this packet to an |
| 2950 |
* [\`EncodedAudioChunk\`](https://developer.mozilla.org/en-US/docs/Web/API/EncodedAudioChunk) for use with the |
| 2951 |
* WebCodecs API. */ |
| 2952 |
toEncodedAudioChunk() { |
| 2953 |
if (this.isMetadataOnly) { |
| 2954 |
throw new TypeError("Metadata-only packets cannot be converted to an audio chunk."); |
| 2955 |
} |
| 2956 |
if (typeof EncodedAudioChunk === "undefined") { |
| 2957 |
throw new Error("Your browser does not support EncodedAudioChunk."); |
| 2958 |
} |
| 2959 |
return new EncodedAudioChunk({ |
| 2960 |
data: this.data, |
| 2961 |
type: this.type, |
| 2962 |
timestamp: this.microsecondTimestamp, |
| 2963 |
duration: this.microsecondDuration |
| 2964 |
}); |
| 2965 |
} |
| 2966 |
/** |
| 2967 |
* Creates an {@link EncodedPacket} from an |
| 2968 |
* [\`EncodedVideoChunk\`](https://developer.mozilla.org/en-US/docs/Web/API/EncodedVideoChunk) or |
| 2969 |
* [\`EncodedAudioChunk\`](https://developer.mozilla.org/en-US/docs/Web/API/EncodedAudioChunk). This method is useful |
| 2970 |
* for converting chunks from the WebCodecs API to \`EncodedPacket\` instances. |
| 2971 |
*/ |
| 2972 |
static fromEncodedChunk(chunk, sideData) { |
| 2973 |
if (!(chunk instanceof EncodedVideoChunk || chunk instanceof EncodedAudioChunk)) { |
| 2974 |
throw new TypeError("chunk must be an EncodedVideoChunk or EncodedAudioChunk."); |
| 2975 |
} |
| 2976 |
const data = new Uint8Array(chunk.byteLength); |
| 2977 |
chunk.copyTo(data); |
| 2978 |
return new _EncodedPacket(data, chunk.type, chunk.timestamp / 1e6, (chunk.duration ?? 0) / 1e6, void 0, void 0, sideData); |
| 2979 |
} |
| 2980 |
/** Clones this packet while optionally modifying the new packet's data. */ |
| 2981 |
clone(options) { |
| 2982 |
if (options !== void 0 && (typeof options !== "object" || options === null)) { |
| 2983 |
throw new TypeError("options, when provided, must be an object."); |
| 2984 |
} |
| 2985 |
if (options?.data !== void 0 && !(options.data instanceof Uint8Array)) { |
| 2986 |
throw new TypeError("options.data, when provided, must be a Uint8Array."); |
| 2987 |
} |
| 2988 |
if (options?.type !== void 0 && options.type !== "key" && options.type !== "delta") { |
| 2989 |
throw new TypeError('options.type, when provided, must be either "key" or "delta".'); |
| 2990 |
} |
| 2991 |
if (options?.timestamp !== void 0 && !Number.isFinite(options.timestamp)) { |
| 2992 |
throw new TypeError("options.timestamp, when provided, must be a number."); |
| 2993 |
} |
| 2994 |
if (options?.duration !== void 0 && !Number.isFinite(options.duration)) { |
| 2995 |
throw new TypeError("options.duration, when provided, must be a number."); |
| 2996 |
} |
| 2997 |
if (options?.sequenceNumber !== void 0 && !Number.isFinite(options.sequenceNumber)) { |
| 2998 |
throw new TypeError("options.sequenceNumber, when provided, must be a number."); |
| 2999 |
} |
| 3000 |
if (options?.sideData !== void 0 && (typeof options.sideData !== "object" || options.sideData === null)) { |
| 3001 |
throw new TypeError("options.sideData, when provided, must be an object."); |
| 3002 |
} |
| 3003 |
return new _EncodedPacket(options?.data ?? this.data, options?.type ?? this.type, options?.timestamp ?? this.timestamp, options?.duration ?? this.duration, options?.sequenceNumber ?? this.sequenceNumber, this.byteLength, options?.sideData ?? this.sideData); |
| 3004 |
} |
| 3005 |
}; |
| 3006 |
|
| 3007 |
// node_modules/mediabunny/dist/modules/src/isobmff/isobmff-misc.js |
| 3008 |
var buildIsobmffMimeType = (info) => { |
| 3009 |
const base = info.hasVideo ? "video/" : info.hasAudio ? "audio/" : "application/"; |
| 3010 |
let string = base + (info.isQuickTime ? "quicktime" : "mp4"); |
| 3011 |
if (info.codecStrings.length > 0) { |
| 3012 |
const uniqueCodecMimeTypes = [...new Set(info.codecStrings)]; |
| 3013 |
string += \`; codecs="\${uniqueCodecMimeTypes.join(", ")}"\`; |
| 3014 |
} |
| 3015 |
return string; |
| 3016 |
}; |
| 3017 |
|
| 3018 |
// node_modules/mediabunny/dist/modules/src/isobmff/isobmff-reader.js |
| 3019 |
var MIN_BOX_HEADER_SIZE = 8; |
| 3020 |
var MAX_BOX_HEADER_SIZE = 16; |
| 3021 |
|
| 3022 |
// node_modules/mediabunny/dist/modules/src/matroska/ebml.js |
| 3023 |
var EBMLFloat32 = class { |
| 3024 |
constructor(value) { |
| 3025 |
this.value = value; |
| 3026 |
} |
| 3027 |
}; |
| 3028 |
var EBMLFloat64 = class { |
| 3029 |
constructor(value) { |
| 3030 |
this.value = value; |
| 3031 |
} |
| 3032 |
}; |
| 3033 |
var EBMLSignedInt = class { |
| 3034 |
constructor(value) { |
| 3035 |
this.value = value; |
| 3036 |
} |
| 3037 |
}; |
| 3038 |
var EBMLUnicodeString = class { |
| 3039 |
constructor(value) { |
| 3040 |
this.value = value; |
| 3041 |
} |
| 3042 |
}; |
| 3043 |
var EBMLId; |
| 3044 |
(function(EBMLId2) { |
| 3045 |
EBMLId2[EBMLId2["EBML"] = 440786851] = "EBML"; |
| 3046 |
EBMLId2[EBMLId2["EBMLVersion"] = 17030] = "EBMLVersion"; |
| 3047 |
EBMLId2[EBMLId2["EBMLReadVersion"] = 17143] = "EBMLReadVersion"; |
| 3048 |
EBMLId2[EBMLId2["EBMLMaxIDLength"] = 17138] = "EBMLMaxIDLength"; |
| 3049 |
EBMLId2[EBMLId2["EBMLMaxSizeLength"] = 17139] = "EBMLMaxSizeLength"; |
| 3050 |
EBMLId2[EBMLId2["DocType"] = 17026] = "DocType"; |
| 3051 |
EBMLId2[EBMLId2["DocTypeVersion"] = 17031] = "DocTypeVersion"; |
| 3052 |
EBMLId2[EBMLId2["DocTypeReadVersion"] = 17029] = "DocTypeReadVersion"; |
| 3053 |
EBMLId2[EBMLId2["Void"] = 236] = "Void"; |
| 3054 |
EBMLId2[EBMLId2["Segment"] = 408125543] = "Segment"; |
| 3055 |
EBMLId2[EBMLId2["SeekHead"] = 290298740] = "SeekHead"; |
| 3056 |
EBMLId2[EBMLId2["Seek"] = 19899] = "Seek"; |
| 3057 |
EBMLId2[EBMLId2["SeekID"] = 21419] = "SeekID"; |
| 3058 |
EBMLId2[EBMLId2["SeekPosition"] = 21420] = "SeekPosition"; |
| 3059 |
EBMLId2[EBMLId2["Duration"] = 17545] = "Duration"; |
| 3060 |
EBMLId2[EBMLId2["Info"] = 357149030] = "Info"; |
| 3061 |
EBMLId2[EBMLId2["TimestampScale"] = 2807729] = "TimestampScale"; |
| 3062 |
EBMLId2[EBMLId2["MuxingApp"] = 19840] = "MuxingApp"; |
| 3063 |
EBMLId2[EBMLId2["WritingApp"] = 22337] = "WritingApp"; |
| 3064 |
EBMLId2[EBMLId2["Tracks"] = 374648427] = "Tracks"; |
| 3065 |
EBMLId2[EBMLId2["TrackEntry"] = 174] = "TrackEntry"; |
| 3066 |
EBMLId2[EBMLId2["TrackNumber"] = 215] = "TrackNumber"; |
| 3067 |
EBMLId2[EBMLId2["TrackUID"] = 29637] = "TrackUID"; |
| 3068 |
EBMLId2[EBMLId2["TrackType"] = 131] = "TrackType"; |
| 3069 |
EBMLId2[EBMLId2["FlagEnabled"] = 185] = "FlagEnabled"; |
| 3070 |
EBMLId2[EBMLId2["FlagDefault"] = 136] = "FlagDefault"; |
| 3071 |
EBMLId2[EBMLId2["FlagForced"] = 21930] = "FlagForced"; |
| 3072 |
EBMLId2[EBMLId2["FlagOriginal"] = 21934] = "FlagOriginal"; |
| 3073 |
EBMLId2[EBMLId2["FlagHearingImpaired"] = 21931] = "FlagHearingImpaired"; |
| 3074 |
EBMLId2[EBMLId2["FlagVisualImpaired"] = 21932] = "FlagVisualImpaired"; |
| 3075 |
EBMLId2[EBMLId2["FlagCommentary"] = 21935] = "FlagCommentary"; |
| 3076 |
EBMLId2[EBMLId2["FlagLacing"] = 156] = "FlagLacing"; |
| 3077 |
EBMLId2[EBMLId2["Name"] = 21358] = "Name"; |
| 3078 |
EBMLId2[EBMLId2["Language"] = 2274716] = "Language"; |
| 3079 |
EBMLId2[EBMLId2["LanguageBCP47"] = 2274717] = "LanguageBCP47"; |
| 3080 |
EBMLId2[EBMLId2["CodecID"] = 134] = "CodecID"; |
| 3081 |
EBMLId2[EBMLId2["CodecPrivate"] = 25506] = "CodecPrivate"; |
| 3082 |
EBMLId2[EBMLId2["CodecDelay"] = 22186] = "CodecDelay"; |
| 3083 |
EBMLId2[EBMLId2["SeekPreRoll"] = 22203] = "SeekPreRoll"; |
| 3084 |
EBMLId2[EBMLId2["DefaultDuration"] = 2352003] = "DefaultDuration"; |
| 3085 |
EBMLId2[EBMLId2["Video"] = 224] = "Video"; |
| 3086 |
EBMLId2[EBMLId2["PixelWidth"] = 176] = "PixelWidth"; |
| 3087 |
EBMLId2[EBMLId2["PixelHeight"] = 186] = "PixelHeight"; |
| 3088 |
EBMLId2[EBMLId2["DisplayWidth"] = 21680] = "DisplayWidth"; |
| 3089 |
EBMLId2[EBMLId2["DisplayHeight"] = 21690] = "DisplayHeight"; |
| 3090 |
EBMLId2[EBMLId2["DisplayUnit"] = 21682] = "DisplayUnit"; |
| 3091 |
EBMLId2[EBMLId2["AlphaMode"] = 21440] = "AlphaMode"; |
| 3092 |
EBMLId2[EBMLId2["Audio"] = 225] = "Audio"; |
| 3093 |
EBMLId2[EBMLId2["SamplingFrequency"] = 181] = "SamplingFrequency"; |
| 3094 |
EBMLId2[EBMLId2["Channels"] = 159] = "Channels"; |
| 3095 |
EBMLId2[EBMLId2["BitDepth"] = 25188] = "BitDepth"; |
| 3096 |
EBMLId2[EBMLId2["SimpleBlock"] = 163] = "SimpleBlock"; |
| 3097 |
EBMLId2[EBMLId2["BlockGroup"] = 160] = "BlockGroup"; |
| 3098 |
EBMLId2[EBMLId2["Block"] = 161] = "Block"; |
| 3099 |
EBMLId2[EBMLId2["BlockAdditions"] = 30113] = "BlockAdditions"; |
| 3100 |
EBMLId2[EBMLId2["BlockMore"] = 166] = "BlockMore"; |
| 3101 |
EBMLId2[EBMLId2["BlockAdditional"] = 165] = "BlockAdditional"; |
| 3102 |
EBMLId2[EBMLId2["BlockAddID"] = 238] = "BlockAddID"; |
| 3103 |
EBMLId2[EBMLId2["BlockDuration"] = 155] = "BlockDuration"; |
| 3104 |
EBMLId2[EBMLId2["ReferenceBlock"] = 251] = "ReferenceBlock"; |
| 3105 |
EBMLId2[EBMLId2["Cluster"] = 524531317] = "Cluster"; |
| 3106 |
EBMLId2[EBMLId2["Timestamp"] = 231] = "Timestamp"; |
| 3107 |
EBMLId2[EBMLId2["Cues"] = 475249515] = "Cues"; |
| 3108 |
EBMLId2[EBMLId2["CuePoint"] = 187] = "CuePoint"; |
| 3109 |
EBMLId2[EBMLId2["CueTime"] = 179] = "CueTime"; |
| 3110 |
EBMLId2[EBMLId2["CueTrackPositions"] = 183] = "CueTrackPositions"; |
| 3111 |
EBMLId2[EBMLId2["CueTrack"] = 247] = "CueTrack"; |
| 3112 |
EBMLId2[EBMLId2["CueClusterPosition"] = 241] = "CueClusterPosition"; |
| 3113 |
EBMLId2[EBMLId2["Colour"] = 21936] = "Colour"; |
| 3114 |
EBMLId2[EBMLId2["MatrixCoefficients"] = 21937] = "MatrixCoefficients"; |
| 3115 |
EBMLId2[EBMLId2["TransferCharacteristics"] = 21946] = "TransferCharacteristics"; |
| 3116 |
EBMLId2[EBMLId2["Primaries"] = 21947] = "Primaries"; |
| 3117 |
EBMLId2[EBMLId2["Range"] = 21945] = "Range"; |
| 3118 |
EBMLId2[EBMLId2["Projection"] = 30320] = "Projection"; |
| 3119 |
EBMLId2[EBMLId2["ProjectionType"] = 30321] = "ProjectionType"; |
| 3120 |
EBMLId2[EBMLId2["ProjectionPoseRoll"] = 30325] = "ProjectionPoseRoll"; |
| 3121 |
EBMLId2[EBMLId2["Attachments"] = 423732329] = "Attachments"; |
| 3122 |
EBMLId2[EBMLId2["AttachedFile"] = 24999] = "AttachedFile"; |
| 3123 |
EBMLId2[EBMLId2["FileDescription"] = 18046] = "FileDescription"; |
| 3124 |
EBMLId2[EBMLId2["FileName"] = 18030] = "FileName"; |
| 3125 |
EBMLId2[EBMLId2["FileMediaType"] = 18016] = "FileMediaType"; |
| 3126 |
EBMLId2[EBMLId2["FileData"] = 18012] = "FileData"; |
| 3127 |
EBMLId2[EBMLId2["FileUID"] = 18094] = "FileUID"; |
| 3128 |
EBMLId2[EBMLId2["Chapters"] = 272869232] = "Chapters"; |
| 3129 |
EBMLId2[EBMLId2["Tags"] = 307544935] = "Tags"; |
| 3130 |
EBMLId2[EBMLId2["Tag"] = 29555] = "Tag"; |
| 3131 |
EBMLId2[EBMLId2["Targets"] = 25536] = "Targets"; |
| 3132 |
EBMLId2[EBMLId2["TargetTypeValue"] = 26826] = "TargetTypeValue"; |
| 3133 |
EBMLId2[EBMLId2["TargetType"] = 25546] = "TargetType"; |
| 3134 |
EBMLId2[EBMLId2["TagTrackUID"] = 25541] = "TagTrackUID"; |
| 3135 |
EBMLId2[EBMLId2["TagEditionUID"] = 25545] = "TagEditionUID"; |
| 3136 |
EBMLId2[EBMLId2["TagChapterUID"] = 25540] = "TagChapterUID"; |
| 3137 |
EBMLId2[EBMLId2["TagAttachmentUID"] = 25542] = "TagAttachmentUID"; |
| 3138 |
EBMLId2[EBMLId2["SimpleTag"] = 26568] = "SimpleTag"; |
| 3139 |
EBMLId2[EBMLId2["TagName"] = 17827] = "TagName"; |
| 3140 |
EBMLId2[EBMLId2["TagLanguage"] = 17530] = "TagLanguage"; |
| 3141 |
EBMLId2[EBMLId2["TagString"] = 17543] = "TagString"; |
| 3142 |
EBMLId2[EBMLId2["TagBinary"] = 17541] = "TagBinary"; |
| 3143 |
EBMLId2[EBMLId2["ContentEncodings"] = 28032] = "ContentEncodings"; |
| 3144 |
EBMLId2[EBMLId2["ContentEncoding"] = 25152] = "ContentEncoding"; |
| 3145 |
EBMLId2[EBMLId2["ContentEncodingOrder"] = 20529] = "ContentEncodingOrder"; |
| 3146 |
EBMLId2[EBMLId2["ContentEncodingScope"] = 20530] = "ContentEncodingScope"; |
| 3147 |
EBMLId2[EBMLId2["ContentCompression"] = 20532] = "ContentCompression"; |
| 3148 |
EBMLId2[EBMLId2["ContentCompAlgo"] = 16980] = "ContentCompAlgo"; |
| 3149 |
EBMLId2[EBMLId2["ContentCompSettings"] = 16981] = "ContentCompSettings"; |
| 3150 |
EBMLId2[EBMLId2["ContentEncryption"] = 20533] = "ContentEncryption"; |
| 3151 |
})(EBMLId || (EBMLId = {})); |
| 3152 |
var LEVEL_0_EBML_IDS = [ |
| 3153 |
EBMLId.EBML, |
| 3154 |
EBMLId.Segment |
| 3155 |
]; |
| 3156 |
var LEVEL_1_EBML_IDS = [ |
| 3157 |
EBMLId.SeekHead, |
| 3158 |
EBMLId.Info, |
| 3159 |
EBMLId.Cluster, |
| 3160 |
EBMLId.Tracks, |
| 3161 |
EBMLId.Cues, |
| 3162 |
EBMLId.Attachments, |
| 3163 |
EBMLId.Chapters, |
| 3164 |
EBMLId.Tags |
| 3165 |
]; |
| 3166 |
var LEVEL_0_AND_1_EBML_IDS = [ |
| 3167 |
...LEVEL_0_EBML_IDS, |
| 3168 |
...LEVEL_1_EBML_IDS |
| 3169 |
]; |
| 3170 |
var measureUnsignedInt = (value) => { |
| 3171 |
if (value < 1 << 8) { |
| 3172 |
return 1; |
| 3173 |
} else if (value < 1 << 16) { |
| 3174 |
return 2; |
| 3175 |
} else if (value < 1 << 24) { |
| 3176 |
return 3; |
| 3177 |
} else if (value < 2 ** 32) { |
| 3178 |
return 4; |
| 3179 |
} else if (value < 2 ** 40) { |
| 3180 |
return 5; |
| 3181 |
} else { |
| 3182 |
return 6; |
| 3183 |
} |
| 3184 |
}; |
| 3185 |
var measureUnsignedBigInt = (value) => { |
| 3186 |
if (value < 1n << 8n) { |
| 3187 |
return 1; |
| 3188 |
} else if (value < 1n << 16n) { |
| 3189 |
return 2; |
| 3190 |
} else if (value < 1n << 24n) { |
| 3191 |
return 3; |
| 3192 |
} else if (value < 1n << 32n) { |
| 3193 |
return 4; |
| 3194 |
} else if (value < 1n << 40n) { |
| 3195 |
return 5; |
| 3196 |
} else if (value < 1n << 48n) { |
| 3197 |
return 6; |
| 3198 |
} else if (value < 1n << 56n) { |
| 3199 |
return 7; |
| 3200 |
} else { |
| 3201 |
return 8; |
| 3202 |
} |
| 3203 |
}; |
| 3204 |
var measureSignedInt = (value) => { |
| 3205 |
if (value >= -(1 << 6) && value < 1 << 6) { |
| 3206 |
return 1; |
| 3207 |
} else if (value >= -(1 << 13) && value < 1 << 13) { |
| 3208 |
return 2; |
| 3209 |
} else if (value >= -(1 << 20) && value < 1 << 20) { |
| 3210 |
return 3; |
| 3211 |
} else if (value >= -(1 << 27) && value < 1 << 27) { |
| 3212 |
return 4; |
| 3213 |
} else if (value >= -(2 ** 34) && value < 2 ** 34) { |
| 3214 |
return 5; |
| 3215 |
} else { |
| 3216 |
return 6; |
| 3217 |
} |
| 3218 |
}; |
| 3219 |
var measureVarInt = (value) => { |
| 3220 |
if (value < (1 << 7) - 1) { |
| 3221 |
return 1; |
| 3222 |
} else if (value < (1 << 14) - 1) { |
| 3223 |
return 2; |
| 3224 |
} else if (value < (1 << 21) - 1) { |
| 3225 |
return 3; |
| 3226 |
} else if (value < (1 << 28) - 1) { |
| 3227 |
return 4; |
| 3228 |
} else if (value < 2 ** 35 - 1) { |
| 3229 |
return 5; |
| 3230 |
} else if (value < 2 ** 42 - 1) { |
| 3231 |
return 6; |
| 3232 |
} else { |
| 3233 |
throw new Error("EBML varint size not supported " + value); |
| 3234 |
} |
| 3235 |
}; |
| 3236 |
var EBMLWriter = class { |
| 3237 |
constructor(writer) { |
| 3238 |
this.writer = writer; |
| 3239 |
this.helper = new Uint8Array(8); |
| 3240 |
this.helperView = new DataView(this.helper.buffer); |
| 3241 |
this.offsets = /* @__PURE__ */ new WeakMap(); |
| 3242 |
this.dataOffsets = /* @__PURE__ */ new WeakMap(); |
| 3243 |
} |
| 3244 |
writeByte(value) { |
| 3245 |
this.helperView.setUint8(0, value); |
| 3246 |
this.writer.write(this.helper.subarray(0, 1)); |
| 3247 |
} |
| 3248 |
writeFloat32(value) { |
| 3249 |
this.helperView.setFloat32(0, value, false); |
| 3250 |
this.writer.write(this.helper.subarray(0, 4)); |
| 3251 |
} |
| 3252 |
writeFloat64(value) { |
| 3253 |
this.helperView.setFloat64(0, value, false); |
| 3254 |
this.writer.write(this.helper); |
| 3255 |
} |
| 3256 |
writeUnsignedInt(value, width = measureUnsignedInt(value)) { |
| 3257 |
let pos = 0; |
| 3258 |
switch (width) { |
| 3259 |
case 6: |
| 3260 |
this.helperView.setUint8(pos++, value / 2 ** 40 | 0); |
| 3261 |
// eslint-disable-next-line no-fallthrough |
| 3262 |
case 5: |
| 3263 |
this.helperView.setUint8(pos++, value / 2 ** 32 | 0); |
| 3264 |
// eslint-disable-next-line no-fallthrough |
| 3265 |
case 4: |
| 3266 |
this.helperView.setUint8(pos++, value >> 24); |
| 3267 |
// eslint-disable-next-line no-fallthrough |
| 3268 |
case 3: |
| 3269 |
this.helperView.setUint8(pos++, value >> 16); |
| 3270 |
// eslint-disable-next-line no-fallthrough |
| 3271 |
case 2: |
| 3272 |
this.helperView.setUint8(pos++, value >> 8); |
| 3273 |
// eslint-disable-next-line no-fallthrough |
| 3274 |
case 1: |
| 3275 |
this.helperView.setUint8(pos++, value); |
| 3276 |
break; |
| 3277 |
default: |
| 3278 |
throw new Error("Bad unsigned int size " + width); |
| 3279 |
} |
| 3280 |
this.writer.write(this.helper.subarray(0, pos)); |
| 3281 |
} |
| 3282 |
writeUnsignedBigInt(value, width = measureUnsignedBigInt(value)) { |
| 3283 |
let pos = 0; |
| 3284 |
for (let i2 = width - 1; i2 >= 0; i2--) { |
| 3285 |
this.helperView.setUint8(pos++, Number(value >> BigInt(i2 * 8) & 0xffn)); |
| 3286 |
} |
| 3287 |
this.writer.write(this.helper.subarray(0, pos)); |
| 3288 |
} |
| 3289 |
writeSignedInt(value, width = measureSignedInt(value)) { |
| 3290 |
if (value < 0) { |
| 3291 |
value += 2 ** (width * 8); |
| 3292 |
} |
| 3293 |
this.writeUnsignedInt(value, width); |
| 3294 |
} |
| 3295 |
writeVarInt(value, width = measureVarInt(value)) { |
| 3296 |
let pos = 0; |
| 3297 |
switch (width) { |
| 3298 |
case 1: |
| 3299 |
this.helperView.setUint8(pos++, 1 << 7 | value); |
| 3300 |
break; |
| 3301 |
case 2: |
| 3302 |
this.helperView.setUint8(pos++, 1 << 6 | value >> 8); |
| 3303 |
this.helperView.setUint8(pos++, value); |
| 3304 |
break; |
| 3305 |
case 3: |
| 3306 |
this.helperView.setUint8(pos++, 1 << 5 | value >> 16); |
| 3307 |
this.helperView.setUint8(pos++, value >> 8); |
| 3308 |
this.helperView.setUint8(pos++, value); |
| 3309 |
break; |
| 3310 |
case 4: |
| 3311 |
this.helperView.setUint8(pos++, 1 << 4 | value >> 24); |
| 3312 |
this.helperView.setUint8(pos++, value >> 16); |
| 3313 |
this.helperView.setUint8(pos++, value >> 8); |
| 3314 |
this.helperView.setUint8(pos++, value); |
| 3315 |
break; |
| 3316 |
case 5: |
| 3317 |
this.helperView.setUint8(pos++, 1 << 3 | value / 2 ** 32 & 7); |
| 3318 |
this.helperView.setUint8(pos++, value >> 24); |
| 3319 |
this.helperView.setUint8(pos++, value >> 16); |
| 3320 |
this.helperView.setUint8(pos++, value >> 8); |
| 3321 |
this.helperView.setUint8(pos++, value); |
| 3322 |
break; |
| 3323 |
case 6: |
| 3324 |
this.helperView.setUint8(pos++, 1 << 2 | value / 2 ** 40 & 3); |
| 3325 |
this.helperView.setUint8(pos++, value / 2 ** 32 | 0); |
| 3326 |
this.helperView.setUint8(pos++, value >> 24); |
| 3327 |
this.helperView.setUint8(pos++, value >> 16); |
| 3328 |
this.helperView.setUint8(pos++, value >> 8); |
| 3329 |
this.helperView.setUint8(pos++, value); |
| 3330 |
break; |
| 3331 |
default: |
| 3332 |
throw new Error("Bad EBML varint size " + width); |
| 3333 |
} |
| 3334 |
this.writer.write(this.helper.subarray(0, pos)); |
| 3335 |
} |
| 3336 |
writeAsciiString(str) { |
| 3337 |
this.writer.write(new Uint8Array(str.split("").map((x) => x.charCodeAt(0)))); |
| 3338 |
} |
| 3339 |
writeEBML(data) { |
| 3340 |
if (data === null) |
| 3341 |
return; |
| 3342 |
if (data instanceof Uint8Array) { |
| 3343 |
this.writer.write(data); |
| 3344 |
} else if (Array.isArray(data)) { |
| 3345 |
for (const elem of data) { |
| 3346 |
this.writeEBML(elem); |
| 3347 |
} |
| 3348 |
} else { |
| 3349 |
this.offsets.set(data, this.writer.getPos()); |
| 3350 |
this.writeUnsignedInt(data.id); |
| 3351 |
if (Array.isArray(data.data)) { |
| 3352 |
const sizePos = this.writer.getPos(); |
| 3353 |
const sizeSize = data.size === -1 ? 1 : data.size ?? 4; |
| 3354 |
if (data.size === -1) { |
| 3355 |
this.writeByte(255); |
| 3356 |
} else { |
| 3357 |
this.writer.seek(this.writer.getPos() + sizeSize); |
| 3358 |
} |
| 3359 |
const startPos = this.writer.getPos(); |
| 3360 |
this.dataOffsets.set(data, startPos); |
| 3361 |
this.writeEBML(data.data); |
| 3362 |
if (data.size !== -1) { |
| 3363 |
const size = this.writer.getPos() - startPos; |
| 3364 |
const endPos = this.writer.getPos(); |
| 3365 |
this.writer.seek(sizePos); |
| 3366 |
this.writeVarInt(size, sizeSize); |
| 3367 |
this.writer.seek(endPos); |
| 3368 |
} |
| 3369 |
} else if (typeof data.data === "number") { |
| 3370 |
const size = data.size ?? measureUnsignedInt(data.data); |
| 3371 |
this.writeVarInt(size); |
| 3372 |
this.writeUnsignedInt(data.data, size); |
| 3373 |
} else if (typeof data.data === "bigint") { |
| 3374 |
const size = data.size ?? measureUnsignedBigInt(data.data); |
| 3375 |
this.writeVarInt(size); |
| 3376 |
this.writeUnsignedBigInt(data.data, size); |
| 3377 |
} else if (typeof data.data === "string") { |
| 3378 |
this.writeVarInt(data.data.length); |
| 3379 |
this.writeAsciiString(data.data); |
| 3380 |
} else if (data.data instanceof Uint8Array) { |
| 3381 |
this.writeVarInt(data.data.byteLength, data.size); |
| 3382 |
this.writer.write(data.data); |
| 3383 |
} else if (data.data instanceof EBMLFloat32) { |
| 3384 |
this.writeVarInt(4); |
| 3385 |
this.writeFloat32(data.data.value); |
| 3386 |
} else if (data.data instanceof EBMLFloat64) { |
| 3387 |
this.writeVarInt(8); |
| 3388 |
this.writeFloat64(data.data.value); |
| 3389 |
} else if (data.data instanceof EBMLSignedInt) { |
| 3390 |
const size = data.size ?? measureSignedInt(data.data.value); |
| 3391 |
this.writeVarInt(size); |
| 3392 |
this.writeSignedInt(data.data.value, size); |
| 3393 |
} else if (data.data instanceof EBMLUnicodeString) { |
| 3394 |
const bytes2 = textEncoder.encode(data.data.value); |
| 3395 |
this.writeVarInt(bytes2.length); |
| 3396 |
this.writer.write(bytes2); |
| 3397 |
} else { |
| 3398 |
assertNever(data.data); |
| 3399 |
} |
| 3400 |
} |
| 3401 |
} |
| 3402 |
}; |
| 3403 |
var MAX_VAR_INT_SIZE = 8; |
| 3404 |
var MAX_HEADER_SIZE = 2 * MAX_VAR_INT_SIZE; |
| 3405 |
var CODEC_STRING_MAP = { |
| 3406 |
"avc": "V_MPEG4/ISO/AVC", |
| 3407 |
"hevc": "V_MPEGH/ISO/HEVC", |
| 3408 |
"vp8": "V_VP8", |
| 3409 |
"vp9": "V_VP9", |
| 3410 |
"av1": "V_AV1", |
| 3411 |
"aac": "A_AAC", |
| 3412 |
"mp3": "A_MPEG/L3", |
| 3413 |
"opus": "A_OPUS", |
| 3414 |
"vorbis": "A_VORBIS", |
| 3415 |
"flac": "A_FLAC", |
| 3416 |
"ac3": "A_AC3", |
| 3417 |
"eac3": "A_EAC3", |
| 3418 |
"pcm-u8": "A_PCM/INT/LIT", |
| 3419 |
"pcm-s16": "A_PCM/INT/LIT", |
| 3420 |
"pcm-s16be": "A_PCM/INT/BIG", |
| 3421 |
"pcm-s24": "A_PCM/INT/LIT", |
| 3422 |
"pcm-s24be": "A_PCM/INT/BIG", |
| 3423 |
"pcm-s32": "A_PCM/INT/LIT", |
| 3424 |
"pcm-s32be": "A_PCM/INT/BIG", |
| 3425 |
"pcm-f32": "A_PCM/FLOAT/IEEE", |
| 3426 |
"pcm-f64": "A_PCM/FLOAT/IEEE", |
| 3427 |
"webvtt": "S_TEXT/WEBVTT" |
| 3428 |
}; |
| 3429 |
|
| 3430 |
// node_modules/mediabunny/dist/modules/src/matroska/matroska-misc.js |
| 3431 |
var buildMatroskaMimeType = (info) => { |
| 3432 |
const base = info.hasVideo ? "video/" : info.hasAudio ? "audio/" : "application/"; |
| 3433 |
let string = base + (info.isWebM ? "webm" : "x-matroska"); |
| 3434 |
if (info.codecStrings.length > 0) { |
| 3435 |
const uniqueCodecMimeTypes = [...new Set(info.codecStrings.filter(Boolean))]; |
| 3436 |
string += \`; codecs="\${uniqueCodecMimeTypes.join(", ")}"\`; |
| 3437 |
} |
| 3438 |
return string; |
| 3439 |
}; |
| 3440 |
|
| 3441 |
// node_modules/mediabunny/dist/modules/src/adts/adts-reader.js |
| 3442 |
var MIN_ADTS_FRAME_HEADER_SIZE = 7; |
| 3443 |
var MAX_ADTS_FRAME_HEADER_SIZE = 9; |
| 3444 |
var readAdtsFrameHeader = (slice) => { |
| 3445 |
const startPos = slice.filePos; |
| 3446 |
const bytes2 = readBytes(slice, 9); |
| 3447 |
const bitstream = new Bitstream(bytes2); |
| 3448 |
const syncword = bitstream.readBits(12); |
| 3449 |
if (syncword !== 4095) { |
| 3450 |
return null; |
| 3451 |
} |
| 3452 |
bitstream.skipBits(1); |
| 3453 |
const layer = bitstream.readBits(2); |
| 3454 |
if (layer !== 0) { |
| 3455 |
return null; |
| 3456 |
} |
| 3457 |
const protectionAbsence = bitstream.readBits(1); |
| 3458 |
const objectType = bitstream.readBits(2) + 1; |
| 3459 |
const samplingFrequencyIndex = bitstream.readBits(4); |
| 3460 |
if (samplingFrequencyIndex === 15) { |
| 3461 |
return null; |
| 3462 |
} |
| 3463 |
bitstream.skipBits(1); |
| 3464 |
const channelConfiguration = bitstream.readBits(3); |
| 3465 |
if (channelConfiguration === 0) { |
| 3466 |
throw new Error("ADTS frames with channel configuration 0 are not supported."); |
| 3467 |
} |
| 3468 |
bitstream.skipBits(1); |
| 3469 |
bitstream.skipBits(1); |
| 3470 |
bitstream.skipBits(1); |
| 3471 |
bitstream.skipBits(1); |
| 3472 |
const frameLength = bitstream.readBits(13); |
| 3473 |
bitstream.skipBits(11); |
| 3474 |
const numberOfAacFrames = bitstream.readBits(2) + 1; |
| 3475 |
if (numberOfAacFrames !== 1) { |
| 3476 |
throw new Error("ADTS frames with more than one AAC frame are not supported."); |
| 3477 |
} |
| 3478 |
let crcCheck = null; |
| 3479 |
if (protectionAbsence === 1) { |
| 3480 |
slice.filePos -= 2; |
| 3481 |
} else { |
| 3482 |
crcCheck = bitstream.readBits(16); |
| 3483 |
} |
| 3484 |
return { |
| 3485 |
objectType, |
| 3486 |
samplingFrequencyIndex, |
| 3487 |
channelConfiguration, |
| 3488 |
frameLength, |
| 3489 |
numberOfAacFrames, |
| 3490 |
crcCheck, |
| 3491 |
startPos |
| 3492 |
}; |
| 3493 |
}; |
| 3494 |
|
| 3495 |
// node_modules/mediabunny/dist/modules/src/sample.js |
| 3496 |
var __addDisposableResource = function(env, value, async) { |
| 3497 |
if (value !== null && value !== void 0) { |
| 3498 |
if (typeof value !== "object" && typeof value !== "function") throw new TypeError("Object expected."); |
| 3499 |
var dispose, inner; |
| 3500 |
if (async) { |
| 3501 |
if (!Symbol.asyncDispose) throw new TypeError("Symbol.asyncDispose is not defined."); |
| 3502 |
dispose = value[Symbol.asyncDispose]; |
| 3503 |
} |
| 3504 |
if (dispose === void 0) { |
| 3505 |
if (!Symbol.dispose) throw new TypeError("Symbol.dispose is not defined."); |
| 3506 |
dispose = value[Symbol.dispose]; |
| 3507 |
if (async) inner = dispose; |
| 3508 |
} |
| 3509 |
if (typeof dispose !== "function") throw new TypeError("Object not disposable."); |
| 3510 |
if (inner) dispose = function() { |
| 3511 |
try { |
| 3512 |
inner.call(this); |
| 3513 |
} catch (e2) { |
| 3514 |
return Promise.reject(e2); |
| 3515 |
} |
| 3516 |
}; |
| 3517 |
env.stack.push({ value, dispose, async }); |
| 3518 |
} else if (async) { |
| 3519 |
env.stack.push({ async: true }); |
| 3520 |
} |
| 3521 |
return value; |
| 3522 |
}; |
| 3523 |
var __disposeResources = /* @__PURE__ */ (function(SuppressedError2) { |
| 3524 |
return function(env) { |
| 3525 |
function fail(e2) { |
| 3526 |
env.error = env.hasError ? new SuppressedError2(e2, env.error, "An error was suppressed during disposal.") : e2; |
| 3527 |
env.hasError = true; |
| 3528 |
} |
| 3529 |
var r2, s2 = 0; |
| 3530 |
function next() { |
| 3531 |
while (r2 = env.stack.pop()) { |
| 3532 |
try { |
| 3533 |
if (!r2.async && s2 === 1) return s2 = 0, env.stack.push(r2), Promise.resolve().then(next); |
| 3534 |
if (r2.dispose) { |
| 3535 |
var result = r2.dispose.call(r2.value); |
| 3536 |
if (r2.async) return s2 |= 2, Promise.resolve(result).then(next, function(e2) { |
| 3537 |
fail(e2); |
| 3538 |
return next(); |
| 3539 |
}); |
| 3540 |
} else s2 |= 1; |
| 3541 |
} catch (e2) { |
| 3542 |
fail(e2); |
| 3543 |
} |
| 3544 |
} |
| 3545 |
if (s2 === 1) return env.hasError ? Promise.reject(env.error) : Promise.resolve(); |
| 3546 |
if (env.hasError) throw env.error; |
| 3547 |
} |
| 3548 |
return next(); |
| 3549 |
}; |
| 3550 |
})(typeof SuppressedError === "function" ? SuppressedError : function(error, suppressed, message) { |
| 3551 |
var e2 = new Error(message); |
| 3552 |
return e2.name = "SuppressedError", e2.error = error, e2.suppressed = suppressed, e2; |
| 3553 |
}); |
| 3554 |
polyfillSymbolDispose(); |
| 3555 |
var lastVideoGcErrorLog = -Infinity; |
| 3556 |
var lastAudioGcErrorLog = -Infinity; |
| 3557 |
var finalizationRegistry = null; |
| 3558 |
if (typeof FinalizationRegistry !== "undefined") { |
| 3559 |
finalizationRegistry = new FinalizationRegistry((value) => { |
| 3560 |
const now = performance.now(); |
| 3561 |
if (value.type === "video") { |
| 3562 |
if (now - lastVideoGcErrorLog >= 1e3) { |
| 3563 |
Logging._error(\`A VideoSample was garbage collected without first being closed. For proper resource management, make sure to call close() on all your VideoSamples as soon as you're done using them.\`); |
| 3564 |
lastVideoGcErrorLog = now; |
| 3565 |
} |
| 3566 |
if (typeof VideoFrame !== "undefined" && value.data instanceof VideoFrame) { |
| 3567 |
value.data.close(); |
| 3568 |
} |
| 3569 |
} else { |
| 3570 |
if (now - lastAudioGcErrorLog >= 1e3) { |
| 3571 |
Logging._error(\`An AudioSample was garbage collected without first being closed. For proper resource management, make sure to call close() on all your AudioSamples as soon as you're done using them.\`); |
| 3572 |
lastAudioGcErrorLog = now; |
| 3573 |
} |
| 3574 |
if (typeof AudioData !== "undefined" && value.data instanceof AudioData) { |
| 3575 |
value.data.close(); |
| 3576 |
} |
| 3577 |
} |
| 3578 |
}); |
| 3579 |
} |
| 3580 |
var VideoSampleResource = class { |
| 3581 |
constructor() { |
| 3582 |
this._referenceCount = 0; |
| 3583 |
this._lastAllocationBuffer = null; |
| 3584 |
} |
| 3585 |
}; |
| 3586 |
var VIDEO_SAMPLE_PIXEL_FORMATS = [ |
| 3587 |
// 4:2:0 Y, U, V |
| 3588 |
"I420", |
| 3589 |
"I420P10", |
| 3590 |
"I420P12", |
| 3591 |
// 4:2:0 Y, U, V, A |
| 3592 |
"I420A", |
| 3593 |
"I420AP10", |
| 3594 |
"I420AP12", |
| 3595 |
// 4:2:2 Y, U, V |
| 3596 |
"I422", |
| 3597 |
"I422P10", |
| 3598 |
"I422P12", |
| 3599 |
// 4:2:2 Y, U, V, A |
| 3600 |
"I422A", |
| 3601 |
"I422AP10", |
| 3602 |
"I422AP12", |
| 3603 |
// 4:4:4 Y, U, V |
| 3604 |
"I444", |
| 3605 |
"I444P10", |
| 3606 |
"I444P12", |
| 3607 |
// 4:4:4 Y, U, V, A |
| 3608 |
"I444A", |
| 3609 |
"I444AP10", |
| 3610 |
"I444AP12", |
| 3611 |
// 4:2:0 Y, UV |
| 3612 |
"NV12", |
| 3613 |
// 4:4:4 RGBA |
| 3614 |
"RGBA", |
| 3615 |
// 4:4:4 RGBX (opaque) |
| 3616 |
"RGBX", |
| 3617 |
// 4:4:4 BGRA |
| 3618 |
"BGRA", |
| 3619 |
// 4:4:4 BGRX (opaque) |
| 3620 |
"BGRX" |
| 3621 |
]; |
| 3622 |
var VIDEO_SAMPLE_PIXEL_FORMATS_SET = new Set(VIDEO_SAMPLE_PIXEL_FORMATS); |
| 3623 |
var VideoSample = class _VideoSample { |
| 3624 |
/** The width of the frame in pixels. */ |
| 3625 |
get codedWidth() { |
| 3626 |
return this.visibleRect.width; |
| 3627 |
} |
| 3628 |
/** The height of the frame in pixels. */ |
| 3629 |
get codedHeight() { |
| 3630 |
return this.visibleRect.height; |
| 3631 |
} |
| 3632 |
/** The display width of the frame in pixels, after aspect ratio adjustment and rotation. */ |
| 3633 |
get displayWidth() { |
| 3634 |
return this.rotation % 180 === 0 ? this.squarePixelWidth : this.squarePixelHeight; |
| 3635 |
} |
| 3636 |
/** The display height of the frame in pixels, after aspect ratio adjustment and rotation. */ |
| 3637 |
get displayHeight() { |
| 3638 |
return this.rotation % 180 === 0 ? this.squarePixelHeight : this.squarePixelWidth; |
| 3639 |
} |
| 3640 |
/** The presentation timestamp of the frame in microseconds. */ |
| 3641 |
get microsecondTimestamp() { |
| 3642 |
return Math.trunc(SECOND_TO_MICROSECOND_FACTOR * this.timestamp); |
| 3643 |
} |
| 3644 |
/** The duration of the frame in microseconds. */ |
| 3645 |
get microsecondDuration() { |
| 3646 |
return Math.trunc(SECOND_TO_MICROSECOND_FACTOR * this.duration); |
| 3647 |
} |
| 3648 |
/** |
| 3649 |
* Whether this sample uses a pixel format that can hold transparency data. Note that this doesn't necessarily mean |
| 3650 |
* that the sample is transparent. |
| 3651 |
*/ |
| 3652 |
get hasAlpha() { |
| 3653 |
return this.format && this.format.includes("A"); |
| 3654 |
} |
| 3655 |
constructor(data, init) { |
| 3656 |
this._closed = false; |
| 3657 |
if (data instanceof ArrayBuffer || typeof SharedArrayBuffer !== "undefined" && data instanceof SharedArrayBuffer || ArrayBuffer.isView(data)) { |
| 3658 |
if (!init || typeof init !== "object") { |
| 3659 |
throw new TypeError("init must be an object."); |
| 3660 |
} |
| 3661 |
if (init.format === void 0 || !VIDEO_SAMPLE_PIXEL_FORMATS_SET.has(init.format)) { |
| 3662 |
throw new TypeError("init.format must be one of: " + VIDEO_SAMPLE_PIXEL_FORMATS.join(", ")); |
| 3663 |
} |
| 3664 |
if (!Number.isInteger(init.codedWidth) || init.codedWidth <= 0) { |
| 3665 |
throw new TypeError("init.codedWidth must be a positive integer."); |
| 3666 |
} |
| 3667 |
if (!Number.isInteger(init.codedHeight) || init.codedHeight <= 0) { |
| 3668 |
throw new TypeError("init.codedHeight must be a positive integer."); |
| 3669 |
} |
| 3670 |
if (init.rotation !== void 0 && ![0, 90, 180, 270].includes(init.rotation)) { |
| 3671 |
throw new TypeError("init.rotation, when provided, must be 0, 90, 180, or 270."); |
| 3672 |
} |
| 3673 |
if (!Number.isFinite(init.timestamp)) { |
| 3674 |
throw new TypeError("init.timestamp must be a number."); |
| 3675 |
} |
| 3676 |
if (init.duration !== void 0 && (!Number.isFinite(init.duration) || init.duration < 0)) { |
| 3677 |
throw new TypeError("init.duration, when provided, must be a non-negative number."); |
| 3678 |
} |
| 3679 |
if (init.layout !== void 0) { |
| 3680 |
if (!Array.isArray(init.layout)) { |
| 3681 |
throw new TypeError("init.layout, when provided, must be an array."); |
| 3682 |
} |
| 3683 |
for (const plane of init.layout) { |
| 3684 |
if (!plane || typeof plane !== "object" || Array.isArray(plane)) { |
| 3685 |
throw new TypeError("Each entry in init.layout must be an object."); |
| 3686 |
} |
| 3687 |
if (!Number.isInteger(plane.offset) || plane.offset < 0) { |
| 3688 |
throw new TypeError("plane.offset must be a non-negative integer."); |
| 3689 |
} |
| 3690 |
if (!Number.isInteger(plane.stride) || plane.stride < 0) { |
| 3691 |
throw new TypeError("plane.stride must be a non-negative integer."); |
| 3692 |
} |
| 3693 |
} |
| 3694 |
} |
| 3695 |
if (init.visibleRect !== void 0) { |
| 3696 |
validateRectangle(init.visibleRect, "init.visibleRect"); |
| 3697 |
} |
| 3698 |
if (init.displayWidth !== void 0 && (!Number.isInteger(init.displayWidth) || init.displayWidth <= 0)) { |
| 3699 |
throw new TypeError("init.displayWidth, when provided, must be a positive integer."); |
| 3700 |
} |
| 3701 |
if (init.displayHeight !== void 0 && (!Number.isInteger(init.displayHeight) || init.displayHeight <= 0)) { |
| 3702 |
throw new TypeError("init.displayHeight, when provided, must be a positive integer."); |
| 3703 |
} |
| 3704 |
if (init.displayWidth !== void 0 !== (init.displayHeight !== void 0)) { |
| 3705 |
throw new TypeError("init.displayWidth and init.displayHeight must be either both provided or both omitted."); |
| 3706 |
} |
| 3707 |
this._data = init._doNotCopy ? toUint8Array(data) : toUint8Array(data).slice(); |
| 3708 |
this._layout = init.layout ?? createDefaultPlaneLayout(init.format, init.codedWidth, init.codedHeight); |
| 3709 |
this.format = init.format; |
| 3710 |
this.rotation = init.rotation ?? 0; |
| 3711 |
this.timestamp = init.timestamp; |
| 3712 |
this.duration = init.duration ?? 0; |
| 3713 |
let colorSpaceInit = init.colorSpace ?? null; |
| 3714 |
if (colorSpaceInit === null) { |
| 3715 |
if (this.format === "RGBA" || this.format === "RGBX" || this.format === "BGRA" || this.format === "BGRX") { |
| 3716 |
colorSpaceInit = { |
| 3717 |
primaries: "bt709", |
| 3718 |
transfer: "iec61966-2-1", |
| 3719 |
matrix: "rgb", |
| 3720 |
fullRange: true |
| 3721 |
}; |
| 3722 |
} else { |
| 3723 |
colorSpaceInit = { |
| 3724 |
primaries: "bt709", |
| 3725 |
transfer: "bt709", |
| 3726 |
matrix: "bt709", |
| 3727 |
fullRange: false |
| 3728 |
}; |
| 3729 |
} |
| 3730 |
} |
| 3731 |
this.colorSpace = new VideoSampleColorSpace(colorSpaceInit); |
| 3732 |
this.visibleRect = { |
| 3733 |
left: init.visibleRect?.left ?? 0, |
| 3734 |
top: init.visibleRect?.top ?? 0, |
| 3735 |
width: init.visibleRect?.width ?? init.codedWidth, |
| 3736 |
height: init.visibleRect?.height ?? init.codedHeight |
| 3737 |
}; |
| 3738 |
if (init.displayWidth !== void 0) { |
| 3739 |
this.squarePixelWidth = this.rotation % 180 === 0 ? init.displayWidth : init.displayHeight; |
| 3740 |
this.squarePixelHeight = this.rotation % 180 === 0 ? init.displayHeight : init.displayWidth; |
| 3741 |
} else { |
| 3742 |
this.squarePixelWidth = this.visibleRect.width; |
| 3743 |
this.squarePixelHeight = this.visibleRect.height; |
| 3744 |
} |
| 3745 |
} else if (typeof VideoFrame !== "undefined" && data instanceof VideoFrame) { |
| 3746 |
if (init?.rotation !== void 0 && ![0, 90, 180, 270].includes(init.rotation)) { |
| 3747 |
throw new TypeError("init.rotation, when provided, must be 0, 90, 180, or 270."); |
| 3748 |
} |
| 3749 |
if (init?.timestamp !== void 0 && !Number.isFinite(init?.timestamp)) { |
| 3750 |
throw new TypeError("init.timestamp, when provided, must be a number."); |
| 3751 |
} |
| 3752 |
if (init?.duration !== void 0 && (!Number.isFinite(init.duration) || init.duration < 0)) { |
| 3753 |
throw new TypeError("init.duration, when provided, must be a non-negative number."); |
| 3754 |
} |
| 3755 |
if (init?.visibleRect !== void 0) { |
| 3756 |
validateRectangle(init.visibleRect, "init.visibleRect"); |
| 3757 |
} |
| 3758 |
this._data = data; |
| 3759 |
this._layout = null; |
| 3760 |
this.format = data.format; |
| 3761 |
this.visibleRect = { |
| 3762 |
left: data.visibleRect?.x ?? 0, |
| 3763 |
top: data.visibleRect?.y ?? 0, |
| 3764 |
width: data.visibleRect?.width ?? data.codedWidth, |
| 3765 |
height: data.visibleRect?.height ?? data.codedHeight |
| 3766 |
}; |
| 3767 |
this.rotation = init?.rotation ?? 0; |
| 3768 |
this.squarePixelWidth = data.displayWidth; |
| 3769 |
this.squarePixelHeight = data.displayHeight; |
| 3770 |
this.timestamp = init?.timestamp ?? data.timestamp / 1e6; |
| 3771 |
this.duration = init?.duration ?? (data.duration ?? 0) / 1e6; |
| 3772 |
this.colorSpace = new VideoSampleColorSpace(data.colorSpace); |
| 3773 |
} else if (typeof HTMLImageElement !== "undefined" && data instanceof HTMLImageElement || typeof SVGImageElement !== "undefined" && data instanceof SVGImageElement || typeof ImageBitmap !== "undefined" && data instanceof ImageBitmap || typeof HTMLVideoElement !== "undefined" && data instanceof HTMLVideoElement || typeof HTMLCanvasElement !== "undefined" && data instanceof HTMLCanvasElement || typeof OffscreenCanvas !== "undefined" && data instanceof OffscreenCanvas) { |
| 3774 |
if (!init || typeof init !== "object") { |
| 3775 |
throw new TypeError("init must be an object."); |
| 3776 |
} |
| 3777 |
if (init.rotation !== void 0 && ![0, 90, 180, 270].includes(init.rotation)) { |
| 3778 |
throw new TypeError("init.rotation, when provided, must be 0, 90, 180, or 270."); |
| 3779 |
} |
| 3780 |
if (!Number.isFinite(init.timestamp)) { |
| 3781 |
throw new TypeError("init.timestamp must be a number."); |
| 3782 |
} |
| 3783 |
if (init.duration !== void 0 && (!Number.isFinite(init.duration) || init.duration < 0)) { |
| 3784 |
throw new TypeError("init.duration, when provided, must be a non-negative number."); |
| 3785 |
} |
| 3786 |
if (typeof VideoFrame !== "undefined") { |
| 3787 |
return new _VideoSample(new VideoFrame(data, { |
| 3788 |
timestamp: Math.trunc(init.timestamp * SECOND_TO_MICROSECOND_FACTOR), |
| 3789 |
// Drag 0 to undefined |
| 3790 |
duration: Math.trunc((init.duration ?? 0) * SECOND_TO_MICROSECOND_FACTOR) || void 0 |
| 3791 |
}), init); |
| 3792 |
} |
| 3793 |
let width = 0; |
| 3794 |
let height = 0; |
| 3795 |
if ("naturalWidth" in data) { |
| 3796 |
width = data.naturalWidth; |
| 3797 |
height = data.naturalHeight; |
| 3798 |
} else if ("videoWidth" in data) { |
| 3799 |
width = data.videoWidth; |
| 3800 |
height = data.videoHeight; |
| 3801 |
} else if ("width" in data) { |
| 3802 |
width = Number(data.width); |
| 3803 |
height = Number(data.height); |
| 3804 |
} |
| 3805 |
if (!width || !height) { |
| 3806 |
throw new TypeError("Could not determine dimensions."); |
| 3807 |
} |
| 3808 |
const canvas = new OffscreenCanvas(width, height); |
| 3809 |
const context = canvas.getContext("2d", { |
| 3810 |
alpha: isFirefox(), |
| 3811 |
// Firefox has VideoFrame glitches with opaque canvases |
| 3812 |
willReadFrequently: true |
| 3813 |
}); |
| 3814 |
if (!context) { |
| 3815 |
throw new Error("OffscreenCanvas must have support for the '2d' context in order to create a VideoSample from this data."); |
| 3816 |
} |
| 3817 |
context.drawImage(data, 0, 0); |
| 3818 |
this._data = canvas; |
| 3819 |
this._layout = null; |
| 3820 |
this.format = "RGBX"; |
| 3821 |
this.visibleRect = { left: 0, top: 0, width, height }; |
| 3822 |
this.squarePixelWidth = width; |
| 3823 |
this.squarePixelHeight = height; |
| 3824 |
this.rotation = init.rotation ?? 0; |
| 3825 |
this.timestamp = init.timestamp; |
| 3826 |
this.duration = init.duration ?? 0; |
| 3827 |
this.colorSpace = new VideoSampleColorSpace({ |
| 3828 |
matrix: "rgb", |
| 3829 |
primaries: "bt709", |
| 3830 |
transfer: "iec61966-2-1", |
| 3831 |
fullRange: true |
| 3832 |
}); |
| 3833 |
} else if (data instanceof VideoSampleResource) { |
| 3834 |
if (!init || typeof init !== "object") { |
| 3835 |
throw new TypeError("init must be an object."); |
| 3836 |
} |
| 3837 |
if (init.rotation !== void 0 && ![0, 90, 180, 270].includes(init.rotation)) { |
| 3838 |
throw new TypeError("init.rotation, when provided, must be 0, 90, 180, or 270."); |
| 3839 |
} |
| 3840 |
if (!Number.isFinite(init.timestamp)) { |
| 3841 |
throw new TypeError("init.timestamp must be a number."); |
| 3842 |
} |
| 3843 |
if (init.duration !== void 0 && (!Number.isFinite(init.duration) || init.duration < 0)) { |
| 3844 |
throw new TypeError("init.duration, when provided, must be a non-negative number."); |
| 3845 |
} |
| 3846 |
this._data = data; |
| 3847 |
data._referenceCount++; |
| 3848 |
this.format = data.getFormat(); |
| 3849 |
if (this.format !== null && !VIDEO_SAMPLE_PIXEL_FORMATS.includes(this.format)) { |
| 3850 |
throw new TypeError("getFormat() must return a VideoSamplePixelFormat or null."); |
| 3851 |
} |
| 3852 |
this.visibleRect = { |
| 3853 |
left: 0, |
| 3854 |
top: 0, |
| 3855 |
width: data.getCodedWidth(), |
| 3856 |
height: data.getCodedHeight() |
| 3857 |
}; |
| 3858 |
if (!Number.isInteger(this.visibleRect.width) || this.visibleRect.width <= 0) { |
| 3859 |
throw new TypeError("getCodedWidth() must return a positive integer."); |
| 3860 |
} |
| 3861 |
if (!Number.isInteger(this.visibleRect.height) || this.visibleRect.height <= 0) { |
| 3862 |
throw new TypeError("getCodedHeight() must return a positive integer."); |
| 3863 |
} |
| 3864 |
this.squarePixelWidth = data.getSquarePixelWidth(); |
| 3865 |
if (!Number.isInteger(this.squarePixelWidth) || this.squarePixelWidth <= 0) { |
| 3866 |
throw new TypeError("getSquarePixelWidth() must return a positive integer."); |
| 3867 |
} |
| 3868 |
this.squarePixelHeight = data.getSquarePixelHeight(); |
| 3869 |
if (!Number.isInteger(this.squarePixelHeight) || this.squarePixelHeight <= 0) { |
| 3870 |
throw new TypeError("getSquarePixelHeight() must return a positive integer."); |
| 3871 |
} |
| 3872 |
this.rotation = init.rotation ?? 0; |
| 3873 |
this.timestamp = init.timestamp; |
| 3874 |
this.duration = init.duration ?? 0; |
| 3875 |
this.colorSpace = data.getColorSpace(); |
| 3876 |
} else { |
| 3877 |
throw new TypeError("Invalid data type: Must be a BufferSource, CanvasImageSource, or VideoSampleResource."); |
| 3878 |
} |
| 3879 |
this.encodeOptions = init?.encodeOptions ?? {}; |
| 3880 |
this.pixelAspectRatio = simplifyRational({ |
| 3881 |
num: this.squarePixelWidth * this.codedHeight, |
| 3882 |
den: this.squarePixelHeight * this.codedWidth |
| 3883 |
}); |
| 3884 |
finalizationRegistry?.register(this, { type: "video", data: this._data }, this); |
| 3885 |
} |
| 3886 |
/** Clones this video sample. */ |
| 3887 |
clone() { |
| 3888 |
if (this._closed) { |
| 3889 |
throw new Error("VideoSample is closed."); |
| 3890 |
} |
| 3891 |
assert(this._data !== null); |
| 3892 |
if (this._data instanceof VideoSampleResource) { |
| 3893 |
return new _VideoSample(this._data, { |
| 3894 |
timestamp: this.timestamp, |
| 3895 |
duration: this.duration, |
| 3896 |
rotation: this.rotation, |
| 3897 |
encodeOptions: this.encodeOptions |
| 3898 |
}); |
| 3899 |
} else if (isVideoFrame(this._data)) { |
| 3900 |
return new _VideoSample(this._data.clone(), { |
| 3901 |
timestamp: this.timestamp, |
| 3902 |
duration: this.duration, |
| 3903 |
rotation: this.rotation, |
| 3904 |
encodeOptions: this.encodeOptions |
| 3905 |
}); |
| 3906 |
} else if (this._data instanceof Uint8Array) { |
| 3907 |
assert(this._layout); |
| 3908 |
return new _VideoSample(this._data, { |
| 3909 |
format: this.format, |
| 3910 |
layout: this._layout, |
| 3911 |
codedWidth: this.codedWidth, |
| 3912 |
codedHeight: this.codedHeight, |
| 3913 |
timestamp: this.timestamp, |
| 3914 |
duration: this.duration, |
| 3915 |
colorSpace: this.colorSpace, |
| 3916 |
rotation: this.rotation, |
| 3917 |
visibleRect: this.visibleRect, |
| 3918 |
displayWidth: this.displayWidth, |
| 3919 |
displayHeight: this.displayHeight, |
| 3920 |
encodeOptions: this.encodeOptions, |
| 3921 |
// It's already been copied, if we copy it again we make the clone unnecessarily expensive |
| 3922 |
_doNotCopy: true |
| 3923 |
}); |
| 3924 |
} else { |
| 3925 |
return new _VideoSample(this._data, { |
| 3926 |
format: this.format, |
| 3927 |
codedWidth: this.codedWidth, |
| 3928 |
codedHeight: this.codedHeight, |
| 3929 |
timestamp: this.timestamp, |
| 3930 |
duration: this.duration, |
| 3931 |
colorSpace: this.colorSpace, |
| 3932 |
rotation: this.rotation, |
| 3933 |
visibleRect: this.visibleRect, |
| 3934 |
displayWidth: this.displayWidth, |
| 3935 |
displayHeight: this.displayHeight, |
| 3936 |
encodeOptions: this.encodeOptions |
| 3937 |
}); |
| 3938 |
} |
| 3939 |
} |
| 3940 |
/** |
| 3941 |
* Closes this video sample, releasing held resources. Video samples should be closed as soon as they are not |
| 3942 |
* needed anymore. |
| 3943 |
*/ |
| 3944 |
close() { |
| 3945 |
if (this._closed) { |
| 3946 |
return; |
| 3947 |
} |
| 3948 |
finalizationRegistry?.unregister(this); |
| 3949 |
if (this._data instanceof VideoSampleResource) { |
| 3950 |
this._data._referenceCount--; |
| 3951 |
if (this._data._referenceCount === 0) { |
| 3952 |
this._data.close(); |
| 3953 |
} |
| 3954 |
} else if (isVideoFrame(this._data)) { |
| 3955 |
this._data.close(); |
| 3956 |
} else { |
| 3957 |
this._data = null; |
| 3958 |
} |
| 3959 |
this._closed = true; |
| 3960 |
} |
| 3961 |
/** |
| 3962 |
* Returns the number of bytes required to hold this video sample's pixel data. |
| 3963 |
*/ |
| 3964 |
allocationSize(options = {}) { |
| 3965 |
validateVideoFrameCopyToOptions(options); |
| 3966 |
if (this._closed) { |
| 3967 |
throw new Error("VideoSample is closed."); |
| 3968 |
} |
| 3969 |
if ((options.format ?? this.format) == null) { |
| 3970 |
throw new Error("Cannot get allocation size when format is null."); |
| 3971 |
} |
| 3972 |
if (isVideoFrame(this._data)) { |
| 3973 |
return this._data.allocationSize(options); |
| 3974 |
} |
| 3975 |
const combinedLayout = ParseVideoFrameCopyToOptions(this, options); |
| 3976 |
return combinedLayout.allocationSize; |
| 3977 |
} |
| 3978 |
/** |
| 3979 |
* Copies this video sample's pixel data to an ArrayBuffer or ArrayBufferView. |
| 3980 |
* @returns The byte layout of the planes of the copied data. |
| 3981 |
*/ |
| 3982 |
async copyTo(destination, options = {}) { |
| 3983 |
if (!isAllowSharedBufferSource(destination)) { |
| 3984 |
throw new TypeError("destination must be an ArrayBuffer or an ArrayBuffer view."); |
| 3985 |
} |
| 3986 |
validateVideoFrameCopyToOptions(options); |
| 3987 |
if (this._closed) { |
| 3988 |
throw new Error("VideoSample is closed."); |
| 3989 |
} |
| 3990 |
if ((options.format ?? this.format) == null) { |
| 3991 |
throw new Error("Cannot copy video sample data when format is null."); |
| 3992 |
} |
| 3993 |
assert(this._data !== null); |
| 3994 |
if (isVideoFrame(this._data)) { |
| 3995 |
return this._data.copyTo(destination, options); |
| 3996 |
} |
| 3997 |
if (options.format && !["RGBA", "RGBX", "BGRA", "BGRX"].includes(this.format) && ["RGBA", "RGBX", "BGRA", "BGRX"].includes(options.format)) { |
| 3998 |
if (this._data instanceof VideoSampleResource) { |
| 3999 |
const env_1 = { stack: [], error: void 0, hasError: false }; |
| 4000 |
try { |
| 4001 |
const rgbSample = __addDisposableResource(env_1, await this._data.toRgbSample({ |
| 4002 |
timestamp: this.timestamp, |
| 4003 |
duration: this.duration, |
| 4004 |
rotation: this.rotation |
| 4005 |
}, options.colorSpace ?? "srgb"), false); |
| 4006 |
if (!(rgbSample instanceof _VideoSample)) { |
| 4007 |
throw new TypeError("toRgbSample() must return a VideoSample."); |
| 4008 |
} |
| 4009 |
if (!["RGBA", "RGBX", "BGRA", "BGRX"].includes(rgbSample.format)) { |
| 4010 |
throw new Error(\`Sample returned by toRgbSample was expected to have an RGB format, got '\${rgbSample.format}' instead.\`); |
| 4011 |
} |
| 4012 |
return await rgbSample.copyTo(destination, options); |
| 4013 |
} catch (e_1) { |
| 4014 |
env_1.error = e_1; |
| 4015 |
env_1.hasError = true; |
| 4016 |
} finally { |
| 4017 |
__disposeResources(env_1); |
| 4018 |
} |
| 4019 |
} else { |
| 4020 |
if (typeof VideoFrame === "undefined") { |
| 4021 |
throw new Error("For this sample, converting from a non-RGB to an RGB format requires VideoFrame to be defined."); |
| 4022 |
} |
| 4023 |
const tempFrame = this.toVideoFrame(); |
| 4024 |
const result = await tempFrame.copyTo(destination, options); |
| 4025 |
tempFrame.close(); |
| 4026 |
return result; |
| 4027 |
} |
| 4028 |
} |
| 4029 |
const combinedLayout = ParseVideoFrameCopyToOptions(this, options); |
| 4030 |
assert(this.format); |
| 4031 |
const destBytes = toUint8Array(destination); |
| 4032 |
if (destBytes.byteLength < combinedLayout.allocationSize) { |
| 4033 |
throw new TypeError(\`Destination buffer too small. Required: \${combinedLayout.allocationSize}, Available: \${destBytes.byteLength}\`); |
| 4034 |
} |
| 4035 |
const planeConfigs = getPlaneConfigs(this.format); |
| 4036 |
let dataPlanes; |
| 4037 |
if (this._data instanceof VideoSampleResource) { |
| 4038 |
let result = this._data.getDataPlanes(); |
| 4039 |
if (result instanceof Promise) |
| 4040 |
result = await result; |
| 4041 |
if (!Array.isArray(result) || result.some((x) => !(x.data instanceof Uint8Array) || !Number.isInteger(x.stride) || x.stride < 0)) { |
| 4042 |
throw new TypeError('getDataPlanes() must return an array of objects with a Uint8Array "data" property and a non-negative integer "stride" property.'); |
| 4043 |
} |
| 4044 |
dataPlanes = result; |
| 4045 |
} else if (this._data instanceof Uint8Array) { |
| 4046 |
assert(this._layout); |
| 4047 |
assert(this._layout.length === planeConfigs.length); |
| 4048 |
dataPlanes = this._layout.map((planeLayout, i2) => { |
| 4049 |
const height = Math.ceil(this.codedHeight / planeConfigs[i2].heightDivisor); |
| 4050 |
return { |
| 4051 |
data: this._data.subarray(planeLayout.offset, planeLayout.offset + planeLayout.stride * height), |
| 4052 |
stride: planeLayout.stride |
| 4053 |
}; |
| 4054 |
}); |
| 4055 |
} else { |
| 4056 |
const canvas = this._data; |
| 4057 |
const context = canvas.getContext("2d"); |
| 4058 |
assert(context); |
| 4059 |
const imageData = context.getImageData(0, 0, this.codedWidth, this.codedHeight); |
| 4060 |
dataPlanes = [{ |
| 4061 |
data: toUint8Array(imageData.data), |
| 4062 |
stride: 4 * this.codedWidth |
| 4063 |
}]; |
| 4064 |
} |
| 4065 |
const planeLayouts = []; |
| 4066 |
const numPlanes = planeConfigs.length; |
| 4067 |
for (let planeIndex = 0; planeIndex < numPlanes; planeIndex++) { |
| 4068 |
const computedLayout = combinedLayout.computedLayouts[planeIndex]; |
| 4069 |
const sourceStride = dataPlanes[planeIndex].stride; |
| 4070 |
const sourceData = dataPlanes[planeIndex].data; |
| 4071 |
let sourceOffset = computedLayout.sourceTop * sourceStride; |
| 4072 |
sourceOffset += computedLayout.sourceLeftBytes; |
| 4073 |
let destinationOffset = computedLayout.destinationOffset; |
| 4074 |
const rowBytes = computedLayout.sourceWidthBytes; |
| 4075 |
const layout = { |
| 4076 |
offset: destinationOffset, |
| 4077 |
stride: computedLayout.destinationStride |
| 4078 |
}; |
| 4079 |
for (let row = 0; row < computedLayout.sourceHeight; row++) { |
| 4080 |
if (sourceOffset + rowBytes > sourceData.byteLength) { |
| 4081 |
throw new Error(\`Source buffer OOB read.\`); |
| 4082 |
} |
| 4083 |
if (destinationOffset + rowBytes > destBytes.byteLength) { |
| 4084 |
throw new Error(\`Destination buffer OOB write.\`); |
| 4085 |
} |
| 4086 |
const srcSub = sourceData.subarray(sourceOffset, sourceOffset + rowBytes); |
| 4087 |
destBytes.set(srcSub, destinationOffset); |
| 4088 |
sourceOffset += sourceStride; |
| 4089 |
destinationOffset += computedLayout.destinationStride; |
| 4090 |
} |
| 4091 |
planeLayouts.push(layout); |
| 4092 |
} |
| 4093 |
if (options.format !== void 0) { |
| 4094 |
const needsRgbConversion = this.format.startsWith("RGB") !== options.format.startsWith("RGB"); |
| 4095 |
const needsAlphaConversion = this.format.includes("X") && options.format.includes("A"); |
| 4096 |
if (needsRgbConversion || needsAlphaConversion) { |
| 4097 |
for (let i2 = 0; i2 < combinedLayout.allocationSize; i2 += 4) { |
| 4098 |
if (needsRgbConversion) { |
| 4099 |
const r2 = destBytes[i2]; |
| 4100 |
const b = destBytes[i2 + 2]; |
| 4101 |
destBytes[i2] = b; |
| 4102 |
destBytes[i2 + 2] = r2; |
| 4103 |
} |
| 4104 |
if (needsAlphaConversion) { |
| 4105 |
destBytes[i2 + 3] = 255; |
| 4106 |
} |
| 4107 |
} |
| 4108 |
} |
| 4109 |
} |
| 4110 |
return planeLayouts; |
| 4111 |
} |
| 4112 |
/** |
| 4113 |
* Converts this video sample to a VideoFrame for use with the WebCodecs API. The VideoFrame returned by this |
| 4114 |
* method *must* be closed separately from this video sample. |
| 4115 |
*/ |
| 4116 |
toVideoFrame() { |
| 4117 |
if (this._closed) { |
| 4118 |
throw new Error("VideoSample is closed."); |
| 4119 |
} |
| 4120 |
assert(this._data !== null); |
| 4121 |
if (this._data instanceof VideoSampleResource) { |
| 4122 |
if (this.format === null) { |
| 4123 |
throw new Error("Cannot convert a VideoSampleResource-backed VideoSample to VideoFrame if format is null."); |
| 4124 |
} |
| 4125 |
const planes = this._data.getDataPlanes(); |
| 4126 |
if (planes instanceof Promise) { |
| 4127 |
throw new Error("Cannot convert a VideoSampleResource-backed VideoSample to VideoFrame if getDataPlanes() returns a promise."); |
| 4128 |
} |
| 4129 |
const size = planes.reduce((a2, b) => a2 + b.data.byteLength, 0); |
| 4130 |
const buffer = new Uint8Array(size); |
| 4131 |
let offset = 0; |
| 4132 |
const offsets = []; |
| 4133 |
for (const plane of planes) { |
| 4134 |
buffer.set(plane.data, offset); |
| 4135 |
offsets.push(offset); |
| 4136 |
offset += plane.data.byteLength; |
| 4137 |
} |
| 4138 |
return new VideoFrame(buffer, { |
| 4139 |
format: this.format, |
| 4140 |
layout: planes.map((x, i2) => ({ |
| 4141 |
offset: offsets[i2], |
| 4142 |
stride: x.stride |
| 4143 |
})), |
| 4144 |
codedWidth: this.codedWidth, |
| 4145 |
codedHeight: this.codedHeight, |
| 4146 |
timestamp: this.microsecondTimestamp, |
| 4147 |
duration: this.microsecondDuration, |
| 4148 |
colorSpace: this.colorSpace, |
| 4149 |
displayWidth: this.squarePixelWidth, |
| 4150 |
// Not display* since we're not passing rotation |
| 4151 |
displayHeight: this.squarePixelHeight |
| 4152 |
}); |
| 4153 |
} else if (isVideoFrame(this._data)) { |
| 4154 |
return new VideoFrame(this._data, { |
| 4155 |
timestamp: this.microsecondTimestamp, |
| 4156 |
duration: this.microsecondDuration || void 0 |
| 4157 |
// Drag 0 duration to undefined, glitches some codecs |
| 4158 |
}); |
| 4159 |
} else if (this._data instanceof Uint8Array) { |
| 4160 |
return new VideoFrame(this._data, { |
| 4161 |
format: this.format, |
| 4162 |
codedWidth: this.codedWidth, |
| 4163 |
codedHeight: this.codedHeight, |
| 4164 |
timestamp: this.microsecondTimestamp, |
| 4165 |
duration: this.microsecondDuration || void 0, |
| 4166 |
colorSpace: this.colorSpace, |
| 4167 |
displayWidth: this.squarePixelWidth, |
| 4168 |
// Not display* since we're not passing rotation |
| 4169 |
displayHeight: this.squarePixelHeight |
| 4170 |
}); |
| 4171 |
} else { |
| 4172 |
return new VideoFrame(this._data, { |
| 4173 |
timestamp: this.microsecondTimestamp, |
| 4174 |
duration: this.microsecondDuration || void 0 |
| 4175 |
}); |
| 4176 |
} |
| 4177 |
} |
| 4178 |
draw(context, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) { |
| 4179 |
let sx = 0; |
| 4180 |
let sy = 0; |
| 4181 |
let sWidth = this.displayWidth; |
| 4182 |
let sHeight = this.displayHeight; |
| 4183 |
let dx = 0; |
| 4184 |
let dy = 0; |
| 4185 |
let dWidth = this.displayWidth; |
| 4186 |
let dHeight = this.displayHeight; |
| 4187 |
if (arg5 !== void 0) { |
| 4188 |
sx = arg1; |
| 4189 |
sy = arg2; |
| 4190 |
sWidth = arg3; |
| 4191 |
sHeight = arg4; |
| 4192 |
dx = arg5; |
| 4193 |
dy = arg6; |
| 4194 |
if (arg7 !== void 0) { |
| 4195 |
dWidth = arg7; |
| 4196 |
dHeight = arg8; |
| 4197 |
} else { |
| 4198 |
dWidth = sWidth; |
| 4199 |
dHeight = sHeight; |
| 4200 |
} |
| 4201 |
} else { |
| 4202 |
dx = arg1; |
| 4203 |
dy = arg2; |
| 4204 |
if (arg3 !== void 0) { |
| 4205 |
dWidth = arg3; |
| 4206 |
dHeight = arg4; |
| 4207 |
} |
| 4208 |
} |
| 4209 |
if (!(typeof CanvasRenderingContext2D !== "undefined" && context instanceof CanvasRenderingContext2D || typeof OffscreenCanvasRenderingContext2D !== "undefined" && context instanceof OffscreenCanvasRenderingContext2D)) { |
| 4210 |
throw new TypeError("context must be a CanvasRenderingContext2D or OffscreenCanvasRenderingContext2D."); |
| 4211 |
} |
| 4212 |
if (!Number.isFinite(sx)) { |
| 4213 |
throw new TypeError("sx must be a number."); |
| 4214 |
} |
| 4215 |
if (!Number.isFinite(sy)) { |
| 4216 |
throw new TypeError("sy must be a number."); |
| 4217 |
} |
| 4218 |
if (!Number.isFinite(sWidth) || sWidth < 0) { |
| 4219 |
throw new TypeError("sWidth must be a non-negative number."); |
| 4220 |
} |
| 4221 |
if (!Number.isFinite(sHeight) || sHeight < 0) { |
| 4222 |
throw new TypeError("sHeight must be a non-negative number."); |
| 4223 |
} |
| 4224 |
if (!Number.isFinite(dx)) { |
| 4225 |
throw new TypeError("dx must be a number."); |
| 4226 |
} |
| 4227 |
if (!Number.isFinite(dy)) { |
| 4228 |
throw new TypeError("dy must be a number."); |
| 4229 |
} |
| 4230 |
if (!Number.isFinite(dWidth) || dWidth < 0) { |
| 4231 |
throw new TypeError("dWidth must be a non-negative number."); |
| 4232 |
} |
| 4233 |
if (!Number.isFinite(dHeight) || dHeight < 0) { |
| 4234 |
throw new TypeError("dHeight must be a non-negative number."); |
| 4235 |
} |
| 4236 |
if (this._closed) { |
| 4237 |
throw new Error("VideoSample is closed."); |
| 4238 |
} |
| 4239 |
({ sx, sy, sWidth, sHeight } = this._rotateSourceRegion(sx, sy, sWidth, sHeight, this.rotation)); |
| 4240 |
const source = this.toCanvasImageSource(); |
| 4241 |
context.save(); |
| 4242 |
const centerX = dx + dWidth / 2; |
| 4243 |
const centerY = dy + dHeight / 2; |
| 4244 |
context.translate(centerX, centerY); |
| 4245 |
context.rotate(this.rotation * Math.PI / 180); |
| 4246 |
const aspectRatioChange = this.rotation % 180 === 0 ? 1 : dWidth / dHeight; |
| 4247 |
context.scale(1 / aspectRatioChange, aspectRatioChange); |
| 4248 |
context.drawImage(source, sx, sy, sWidth, sHeight, -dWidth / 2, -dHeight / 2, dWidth, dHeight); |
| 4249 |
context.restore(); |
| 4250 |
} |
| 4251 |
/** |
| 4252 |
* Draws the sample in the middle of the canvas corresponding to the context with the specified fit behavior. |
| 4253 |
*/ |
| 4254 |
drawWithFit(context, options) { |
| 4255 |
if (!(typeof CanvasRenderingContext2D !== "undefined" && context instanceof CanvasRenderingContext2D || typeof OffscreenCanvasRenderingContext2D !== "undefined" && context instanceof OffscreenCanvasRenderingContext2D)) { |
| 4256 |
throw new TypeError("context must be a CanvasRenderingContext2D or OffscreenCanvasRenderingContext2D."); |
| 4257 |
} |
| 4258 |
if (!options || typeof options !== "object") { |
| 4259 |
throw new TypeError("options must be an object."); |
| 4260 |
} |
| 4261 |
if (!["fill", "contain", "cover"].includes(options.fit)) { |
| 4262 |
throw new TypeError("options.fit must be 'fill', 'contain', or 'cover'."); |
| 4263 |
} |
| 4264 |
if (options.rotation !== void 0 && ![0, 90, 180, 270].includes(options.rotation)) { |
| 4265 |
throw new TypeError("options.rotation, when provided, must be 0, 90, 180, or 270."); |
| 4266 |
} |
| 4267 |
if (options.crop !== void 0) { |
| 4268 |
validateCropRectangle(options.crop, "options."); |
| 4269 |
} |
| 4270 |
const canvasWidth = context.canvas.width; |
| 4271 |
const canvasHeight = context.canvas.height; |
| 4272 |
const rotation = options.rotation ?? this.rotation; |
| 4273 |
const [rotatedWidth, rotatedHeight] = rotation % 180 === 0 ? [this.squarePixelWidth, this.squarePixelHeight] : [this.squarePixelHeight, this.squarePixelWidth]; |
| 4274 |
let finalCrop = options.crop; |
| 4275 |
if (finalCrop) { |
| 4276 |
finalCrop = clampCropRectangle(finalCrop, rotatedWidth, rotatedHeight); |
| 4277 |
} |
| 4278 |
let dx; |
| 4279 |
let dy; |
| 4280 |
let newWidth; |
| 4281 |
let newHeight; |
| 4282 |
const { sx, sy, sWidth, sHeight } = this._rotateSourceRegion(options.crop?.left ?? 0, options.crop?.top ?? 0, options.crop?.width ?? rotatedWidth, options.crop?.height ?? rotatedHeight, rotation); |
| 4283 |
if (options.fit === "fill") { |
| 4284 |
dx = 0; |
| 4285 |
dy = 0; |
| 4286 |
newWidth = canvasWidth; |
| 4287 |
newHeight = canvasHeight; |
| 4288 |
} else { |
| 4289 |
const [sampleWidth, sampleHeight] = options.crop ? [options.crop.width, options.crop.height] : [rotatedWidth, rotatedHeight]; |
| 4290 |
const scale = options.fit === "contain" ? Math.min(canvasWidth / sampleWidth, canvasHeight / sampleHeight) : Math.max(canvasWidth / sampleWidth, canvasHeight / sampleHeight); |
| 4291 |
newWidth = sampleWidth * scale; |
| 4292 |
newHeight = sampleHeight * scale; |
| 4293 |
dx = (canvasWidth - newWidth) / 2; |
| 4294 |
dy = (canvasHeight - newHeight) / 2; |
| 4295 |
} |
| 4296 |
context.save(); |
| 4297 |
const aspectRatioChange = rotation % 180 === 0 ? 1 : newWidth / newHeight; |
| 4298 |
context.translate(canvasWidth / 2, canvasHeight / 2); |
| 4299 |
context.rotate(rotation * Math.PI / 180); |
| 4300 |
context.scale(1 / aspectRatioChange, aspectRatioChange); |
| 4301 |
context.translate(-canvasWidth / 2, -canvasHeight / 2); |
| 4302 |
context.drawImage(this.toCanvasImageSource(), sx, sy, sWidth, sHeight, dx, dy, newWidth, newHeight); |
| 4303 |
context.restore(); |
| 4304 |
} |
| 4305 |
/** @internal */ |
| 4306 |
_rotateSourceRegion(sx, sy, sWidth, sHeight, rotation) { |
| 4307 |
if (rotation === 90) { |
| 4308 |
[sx, sy, sWidth, sHeight] = [ |
| 4309 |
sy, |
| 4310 |
this.squarePixelHeight - sx - sWidth, |
| 4311 |
sHeight, |
| 4312 |
sWidth |
| 4313 |
]; |
| 4314 |
} else if (rotation === 180) { |
| 4315 |
[sx, sy] = [ |
| 4316 |
this.squarePixelWidth - sx - sWidth, |
| 4317 |
this.squarePixelHeight - sy - sHeight |
| 4318 |
]; |
| 4319 |
} else if (rotation === 270) { |
| 4320 |
[sx, sy, sWidth, sHeight] = [ |
| 4321 |
this.squarePixelWidth - sy - sHeight, |
| 4322 |
sx, |
| 4323 |
sHeight, |
| 4324 |
sWidth |
| 4325 |
]; |
| 4326 |
} |
| 4327 |
return { sx, sy, sWidth, sHeight }; |
| 4328 |
} |
| 4329 |
/** |
| 4330 |
* Converts this video sample to a |
| 4331 |
* [\`CanvasImageSource\`](https://udn.realityripple.com/docs/Web/API/CanvasImageSource) for drawing to a canvas. |
| 4332 |
* |
| 4333 |
* You must use the value returned by this method immediately, as any VideoFrame created internally may |
| 4334 |
* automatically be closed in the next microtask. |
| 4335 |
*/ |
| 4336 |
toCanvasImageSource() { |
| 4337 |
if (this._closed) { |
| 4338 |
throw new Error("VideoSample is closed."); |
| 4339 |
} |
| 4340 |
assert(this._data !== null); |
| 4341 |
if (this._data instanceof VideoSampleResource || this._data instanceof Uint8Array) { |
| 4342 |
const videoFrame = this.toVideoFrame(); |
| 4343 |
queueMicrotask(() => videoFrame.close()); |
| 4344 |
return videoFrame; |
| 4345 |
} else { |
| 4346 |
return this._data; |
| 4347 |
} |
| 4348 |
} |
| 4349 |
/** |
| 4350 |
* Transform this video sample to a new video sample given the options. Can be used to resize, rotate, and crop |
| 4351 |
* the sample. |
| 4352 |
* |
| 4353 |
* In non-browser environments, this method will not work by default. To make it work, register a custom |
| 4354 |
* transformer function via {@link registerVideoSampleTransformer}. |
| 4355 |
*/ |
| 4356 |
async transform(options) { |
| 4357 |
if (!options || typeof options !== "object") { |
| 4358 |
throw new TypeError("options must be an object."); |
| 4359 |
} |
| 4360 |
if (options.width !== void 0 && (!Number.isInteger(options.width) || options.width <= 0)) { |
| 4361 |
throw new TypeError("options.width, when provided, must be a positive integer."); |
| 4362 |
} |
| 4363 |
if (options.height !== void 0 && (!Number.isInteger(options.height) || options.height <= 0)) { |
| 4364 |
throw new TypeError("options.height, when provided, must be a positive integer."); |
| 4365 |
} |
| 4366 |
if (options.roundDimensionsTo !== void 0 && (!Number.isInteger(options.roundDimensionsTo) || options.roundDimensionsTo <= 0)) { |
| 4367 |
throw new TypeError("options.roundDimensionsTo, when provided, must be a positive integer."); |
| 4368 |
} |
| 4369 |
if (options.fit !== void 0 && !["fill", "contain", "cover"].includes(options.fit)) { |
| 4370 |
throw new TypeError('options.fit, when provided, must be one of "fill", "contain", or "cover".'); |
| 4371 |
} |
| 4372 |
if (options.width !== void 0 && options.height !== void 0 && options.fit === void 0) { |
| 4373 |
throw new TypeError("When both options.width and options.height are provided, options.fit must also be provided."); |
| 4374 |
} |
| 4375 |
if (options.rotate !== void 0 && ![0, 90, 180, 270].includes(options.rotate)) { |
| 4376 |
throw new TypeError("options.rotate, when provided, must be 0, 90, 180 or 270."); |
| 4377 |
} |
| 4378 |
if (options.crop !== void 0) { |
| 4379 |
validateCropRectangle(options.crop, "options."); |
| 4380 |
} |
| 4381 |
if (options.alpha !== void 0 && !["keep", "discard"].includes(options.alpha)) { |
| 4382 |
throw new TypeError("options.alpha, when provided, must be 'keep' or 'discard'."); |
| 4383 |
} |
| 4384 |
const rotation = normalizeRotation(this.rotation + (options.rotate ?? 0)); |
| 4385 |
const [rotatedWidth, rotatedHeight] = rotation % 180 === 0 ? [this.squarePixelWidth, this.squarePixelHeight] : [this.squarePixelHeight, this.squarePixelWidth]; |
| 4386 |
let finalCrop = options.crop; |
| 4387 |
if (finalCrop) { |
| 4388 |
finalCrop = clampCropRectangle(finalCrop, rotatedWidth, rotatedHeight); |
| 4389 |
} |
| 4390 |
const cropWidth = finalCrop ? finalCrop.width : rotatedWidth; |
| 4391 |
const cropHeight = finalCrop ? finalCrop.height : rotatedHeight; |
| 4392 |
const originalAspectRatio = cropWidth / cropHeight; |
| 4393 |
let targetWidth; |
| 4394 |
let targetHeight; |
| 4395 |
if (options.width !== void 0 && options.height === void 0) { |
| 4396 |
targetWidth = options.width; |
| 4397 |
targetHeight = targetWidth / originalAspectRatio; |
| 4398 |
} else if (options.width === void 0 && options.height !== void 0) { |
| 4399 |
targetHeight = options.height; |
| 4400 |
targetWidth = targetHeight * originalAspectRatio; |
| 4401 |
} else if (options.width !== void 0 && options.height !== void 0) { |
| 4402 |
targetWidth = options.width; |
| 4403 |
targetHeight = options.height; |
| 4404 |
} else { |
| 4405 |
targetWidth = cropWidth; |
| 4406 |
targetHeight = cropHeight; |
| 4407 |
} |
| 4408 |
targetWidth = roundToMultiple(targetWidth, options.roundDimensionsTo ?? 1); |
| 4409 |
targetHeight = roundToMultiple(targetHeight, options.roundDimensionsTo ?? 1); |
| 4410 |
const description = { |
| 4411 |
width: targetWidth, |
| 4412 |
height: targetHeight, |
| 4413 |
fit: options.fit ?? "fill", |
| 4414 |
rotation, |
| 4415 |
crop: finalCrop ?? { |
| 4416 |
left: 0, |
| 4417 |
top: 0, |
| 4418 |
width: rotatedWidth, |
| 4419 |
height: rotatedHeight |
| 4420 |
}, |
| 4421 |
alpha: options.alpha ?? "keep" |
| 4422 |
}; |
| 4423 |
for (const transformer of registeredVideoSampleTransformers) { |
| 4424 |
let result = transformer(this, description); |
| 4425 |
if (result instanceof Promise) |
| 4426 |
result = await result; |
| 4427 |
if (result !== null) { |
| 4428 |
return result; |
| 4429 |
} |
| 4430 |
} |
| 4431 |
let canvas = null; |
| 4432 |
let canvasIsNew = false; |
| 4433 |
for (const entry of transformationCanvasCache) { |
| 4434 |
if (entry.canvas.width === description.width && entry.canvas.height === description.height) { |
| 4435 |
canvas = entry.canvas; |
| 4436 |
entry.age = transformationCanvasCacheNextAge++; |
| 4437 |
break; |
| 4438 |
} |
| 4439 |
} |
| 4440 |
if (canvas === null) { |
| 4441 |
if (typeof OffscreenCanvas !== "undefined") { |
| 4442 |
canvas = new OffscreenCanvas(description.width, description.height); |
| 4443 |
} else { |
| 4444 |
if (typeof window === "undefined" || typeof document === "undefined") { |
| 4445 |
throw new Error("Cannot transform VideoSamples in this environment. Either run in an environment with OffscreenCanvas or HTMLCanvasElement, or supply a custom VideoSample transformer using registerVideoSampleTransformer()."); |
| 4446 |
} |
| 4447 |
canvas = document.createElement("canvas"); |
| 4448 |
canvas.width = description.width; |
| 4449 |
canvas.height = description.height; |
| 4450 |
} |
| 4451 |
canvasIsNew = true; |
| 4452 |
if (transformationCanvasCache.length >= TRANSFORMATION_CANVAS_CACHE_MAX_SIZE) { |
| 4453 |
transformationCanvasCache.splice(arrayArgmin(transformationCanvasCache, (x) => x.age), 1); |
| 4454 |
} |
| 4455 |
transformationCanvasCache.push({ |
| 4456 |
canvas, |
| 4457 |
age: transformationCanvasCacheNextAge++ |
| 4458 |
}); |
| 4459 |
} |
| 4460 |
const context = canvas.getContext("2d", { |
| 4461 |
alpha: true |
| 4462 |
}); |
| 4463 |
if (!context) { |
| 4464 |
throw new Error("The '2d' canvas context is required to transform VideoSamples. Register a custom transformer using registerVideoSampleTransformer to work around this limitation."); |
| 4465 |
} |
| 4466 |
if (description.alpha === "discard") { |
| 4467 |
context.fillStyle = "black"; |
| 4468 |
context.fillRect(0, 0, description.width, description.height); |
| 4469 |
} else if (!canvasIsNew) { |
| 4470 |
context.clearRect(0, 0, description.width, description.height); |
| 4471 |
} |
| 4472 |
this.drawWithFit(context, { |
| 4473 |
fit: description.fit, |
| 4474 |
rotation: description.rotation, |
| 4475 |
crop: description.crop |
| 4476 |
}); |
| 4477 |
return new _VideoSample(canvas, { |
| 4478 |
timestamp: this.timestamp, |
| 4479 |
duration: this.duration, |
| 4480 |
rotation: 0 |
| 4481 |
// Any previous rotation is now baked in |
| 4482 |
}); |
| 4483 |
} |
| 4484 |
/** Sets the rotation metadata of this video sample. */ |
| 4485 |
setRotation(newRotation) { |
| 4486 |
if (![0, 90, 180, 270].includes(newRotation)) { |
| 4487 |
throw new TypeError("newRotation must be 0, 90, 180, or 270."); |
| 4488 |
} |
| 4489 |
this.rotation = newRotation; |
| 4490 |
} |
| 4491 |
/** Sets the presentation timestamp of this video sample, in seconds. */ |
| 4492 |
setTimestamp(newTimestamp) { |
| 4493 |
if (!Number.isFinite(newTimestamp)) { |
| 4494 |
throw new TypeError("newTimestamp must be a number."); |
| 4495 |
} |
| 4496 |
this.timestamp = newTimestamp; |
| 4497 |
} |
| 4498 |
/** Sets the duration of this video sample, in seconds. */ |
| 4499 |
setDuration(newDuration) { |
| 4500 |
if (!Number.isFinite(newDuration) || newDuration < 0) { |
| 4501 |
throw new TypeError("newDuration must be a non-negative number."); |
| 4502 |
} |
| 4503 |
this.duration = newDuration; |
| 4504 |
} |
| 4505 |
/** Sets the encode options used when this sample is passed to an encoder. */ |
| 4506 |
setEncodeOptions(newEncodeOptions) { |
| 4507 |
if (!newEncodeOptions || typeof newEncodeOptions !== "object") { |
| 4508 |
throw new TypeError("newEncodeOptions must be an object."); |
| 4509 |
} |
| 4510 |
this.encodeOptions = newEncodeOptions; |
| 4511 |
} |
| 4512 |
/** Calls \`.close()\`. */ |
| 4513 |
[Symbol.dispose]() { |
| 4514 |
this.close(); |
| 4515 |
} |
| 4516 |
}; |
| 4517 |
var registeredVideoSampleTransformers = []; |
| 4518 |
var TRANSFORMATION_CANVAS_CACHE_MAX_SIZE = 3; |
| 4519 |
var transformationCanvasCache = []; |
| 4520 |
var transformationCanvasCacheNextAge = 0; |
| 4521 |
var VideoSampleColorSpace = class { |
| 4522 |
/** Creates a new VideoSampleColorSpace. */ |
| 4523 |
constructor(init) { |
| 4524 |
if (init !== void 0) { |
| 4525 |
if (!init || typeof init !== "object") { |
| 4526 |
throw new TypeError("init.colorSpace, when provided, must be an object."); |
| 4527 |
} |
| 4528 |
const primariesValues = Object.keys(COLOR_PRIMARIES_MAP); |
| 4529 |
if (init.primaries != null && !primariesValues.includes(init.primaries)) { |
| 4530 |
throw new TypeError(\`init.colorSpace.primaries, when provided, must be one of \${primariesValues.join(", ")}.\`); |
| 4531 |
} |
| 4532 |
const transferValues = Object.keys(TRANSFER_CHARACTERISTICS_MAP); |
| 4533 |
if (init.transfer != null && !transferValues.includes(init.transfer)) { |
| 4534 |
throw new TypeError(\`init.colorSpace.transfer, when provided, must be one of \${transferValues.join(", ")}.\`); |
| 4535 |
} |
| 4536 |
const matrixValues = Object.keys(MATRIX_COEFFICIENTS_MAP); |
| 4537 |
if (init.matrix != null && !matrixValues.includes(init.matrix)) { |
| 4538 |
throw new TypeError(\`init.colorSpace.matrix, when provided, must be one of \${matrixValues.join(", ")}.\`); |
| 4539 |
} |
| 4540 |
if (init.fullRange != null && typeof init.fullRange !== "boolean") { |
| 4541 |
throw new TypeError("init.colorSpace.fullRange, when provided, must be a boolean."); |
| 4542 |
} |
| 4543 |
} |
| 4544 |
this.primaries = init?.primaries ?? null; |
| 4545 |
this.transfer = init?.transfer ?? null; |
| 4546 |
this.matrix = init?.matrix ?? null; |
| 4547 |
this.fullRange = init?.fullRange ?? null; |
| 4548 |
} |
| 4549 |
/** Serializes the color space to a JSON object. */ |
| 4550 |
toJSON() { |
| 4551 |
return { |
| 4552 |
primaries: this.primaries, |
| 4553 |
transfer: this.transfer, |
| 4554 |
matrix: this.matrix, |
| 4555 |
fullRange: this.fullRange |
| 4556 |
}; |
| 4557 |
} |
| 4558 |
}; |
| 4559 |
var isVideoFrame = (x) => { |
| 4560 |
return typeof VideoFrame !== "undefined" && x instanceof VideoFrame; |
| 4561 |
}; |
| 4562 |
var clampCropRectangle = (crop, outerWidth, outerHeight) => { |
| 4563 |
const left = Math.min(crop.left, outerWidth); |
| 4564 |
const top = Math.min(crop.top, outerHeight); |
| 4565 |
const width = Math.min(crop.width, outerWidth - left); |
| 4566 |
const height = Math.min(crop.height, outerHeight - top); |
| 4567 |
assert(width >= 0); |
| 4568 |
assert(height >= 0); |
| 4569 |
return { left, top, width, height }; |
| 4570 |
}; |
| 4571 |
var validateCropRectangle = (crop, prefix) => { |
| 4572 |
if (!crop || typeof crop !== "object") { |
| 4573 |
throw new TypeError(prefix + "crop, when provided, must be an object."); |
| 4574 |
} |
| 4575 |
if (!Number.isInteger(crop.left) || crop.left < 0) { |
| 4576 |
throw new TypeError(prefix + "crop.left must be a non-negative integer."); |
| 4577 |
} |
| 4578 |
if (!Number.isInteger(crop.top) || crop.top < 0) { |
| 4579 |
throw new TypeError(prefix + "crop.top must be a non-negative integer."); |
| 4580 |
} |
| 4581 |
if (!Number.isInteger(crop.width) || crop.width < 0) { |
| 4582 |
throw new TypeError(prefix + "crop.width must be a non-negative integer."); |
| 4583 |
} |
| 4584 |
if (!Number.isInteger(crop.height) || crop.height < 0) { |
| 4585 |
throw new TypeError(prefix + "crop.height must be a non-negative integer."); |
| 4586 |
} |
| 4587 |
}; |
| 4588 |
var validateVideoFrameCopyToOptions = (options) => { |
| 4589 |
if (!options || typeof options !== "object") { |
| 4590 |
throw new TypeError("options must be an object."); |
| 4591 |
} |
| 4592 |
if (options.colorSpace !== void 0 && !["display-p3", "srgb"].includes(options.colorSpace)) { |
| 4593 |
throw new TypeError("options.colorSpace, when provided, must be 'display-p3' or 'srgb'."); |
| 4594 |
} |
| 4595 |
if (options.format !== void 0 && typeof options.format !== "string") { |
| 4596 |
throw new TypeError("options.format, when provided, must be a string."); |
| 4597 |
} |
| 4598 |
if (options.layout !== void 0) { |
| 4599 |
if (!Array.isArray(options.layout)) { |
| 4600 |
throw new TypeError("options.layout, when provided, must be an array."); |
| 4601 |
} |
| 4602 |
for (const plane of options.layout) { |
| 4603 |
if (!plane || typeof plane !== "object") { |
| 4604 |
throw new TypeError("Each entry in options.layout must be an object."); |
| 4605 |
} |
| 4606 |
if (!Number.isInteger(plane.offset) || plane.offset < 0) { |
| 4607 |
throw new TypeError("plane.offset must be a non-negative integer."); |
| 4608 |
} |
| 4609 |
if (!Number.isInteger(plane.stride) || plane.stride < 0) { |
| 4610 |
throw new TypeError("plane.stride must be a non-negative integer."); |
| 4611 |
} |
| 4612 |
} |
| 4613 |
} |
| 4614 |
if (options.rect !== void 0) { |
| 4615 |
if (!options.rect || typeof options.rect !== "object") { |
| 4616 |
throw new TypeError("options.rect, when provided, must be an object."); |
| 4617 |
} |
| 4618 |
if (options.rect.x !== void 0 && (!Number.isInteger(options.rect.x) || options.rect.x < 0)) { |
| 4619 |
throw new TypeError("options.rect.x, when provided, must be a non-negative integer."); |
| 4620 |
} |
| 4621 |
if (options.rect.y !== void 0 && (!Number.isInteger(options.rect.y) || options.rect.y < 0)) { |
| 4622 |
throw new TypeError("options.rect.y, when provided, must be a non-negative integer."); |
| 4623 |
} |
| 4624 |
if (options.rect.width !== void 0 && (!Number.isInteger(options.rect.width) || options.rect.width < 0)) { |
| 4625 |
throw new TypeError("options.rect.width, when provided, must be a non-negative integer."); |
| 4626 |
} |
| 4627 |
if (options.rect.height !== void 0 && (!Number.isInteger(options.rect.height) || options.rect.height < 0)) { |
| 4628 |
throw new TypeError("options.rect.height, when provided, must be a non-negative integer."); |
| 4629 |
} |
| 4630 |
} |
| 4631 |
}; |
| 4632 |
var createDefaultPlaneLayout = (format, codedWidth, codedHeight) => { |
| 4633 |
const planes = getPlaneConfigs(format); |
| 4634 |
const layouts = []; |
| 4635 |
let currentOffset = 0; |
| 4636 |
for (const plane of planes) { |
| 4637 |
const planeWidth = Math.ceil(codedWidth / plane.widthDivisor); |
| 4638 |
const planeHeight = Math.ceil(codedHeight / plane.heightDivisor); |
| 4639 |
const stride = planeWidth * plane.sampleBytes; |
| 4640 |
const planeSize = stride * planeHeight; |
| 4641 |
layouts.push({ |
| 4642 |
offset: currentOffset, |
| 4643 |
stride |
| 4644 |
}); |
| 4645 |
currentOffset += planeSize; |
| 4646 |
} |
| 4647 |
return layouts; |
| 4648 |
}; |
| 4649 |
var getPlaneConfigs = (format) => { |
| 4650 |
const yuv = (yBytes, uvBytes, subX, subY, hasAlpha) => { |
| 4651 |
const configs = [ |
| 4652 |
{ sampleBytes: yBytes, widthDivisor: 1, heightDivisor: 1 }, |
| 4653 |
{ sampleBytes: uvBytes, widthDivisor: subX, heightDivisor: subY }, |
| 4654 |
{ sampleBytes: uvBytes, widthDivisor: subX, heightDivisor: subY } |
| 4655 |
]; |
| 4656 |
if (hasAlpha) { |
| 4657 |
configs.push({ sampleBytes: yBytes, widthDivisor: 1, heightDivisor: 1 }); |
| 4658 |
} |
| 4659 |
return configs; |
| 4660 |
}; |
| 4661 |
switch (format) { |
| 4662 |
case "I420": |
| 4663 |
return yuv(1, 1, 2, 2, false); |
| 4664 |
case "I420P10": |
| 4665 |
case "I420P12": |
| 4666 |
return yuv(2, 2, 2, 2, false); |
| 4667 |
case "I420A": |
| 4668 |
return yuv(1, 1, 2, 2, true); |
| 4669 |
case "I420AP10": |
| 4670 |
case "I420AP12": |
| 4671 |
return yuv(2, 2, 2, 2, true); |
| 4672 |
case "I422": |
| 4673 |
return yuv(1, 1, 2, 1, false); |
| 4674 |
case "I422P10": |
| 4675 |
case "I422P12": |
| 4676 |
return yuv(2, 2, 2, 1, false); |
| 4677 |
case "I422A": |
| 4678 |
return yuv(1, 1, 2, 1, true); |
| 4679 |
case "I422AP10": |
| 4680 |
case "I422AP12": |
| 4681 |
return yuv(2, 2, 2, 1, true); |
| 4682 |
case "I444": |
| 4683 |
return yuv(1, 1, 1, 1, false); |
| 4684 |
case "I444P10": |
| 4685 |
case "I444P12": |
| 4686 |
return yuv(2, 2, 1, 1, false); |
| 4687 |
case "I444A": |
| 4688 |
return yuv(1, 1, 1, 1, true); |
| 4689 |
case "I444AP10": |
| 4690 |
case "I444AP12": |
| 4691 |
return yuv(2, 2, 1, 1, true); |
| 4692 |
case "NV12": |
| 4693 |
return [ |
| 4694 |
{ sampleBytes: 1, widthDivisor: 1, heightDivisor: 1 }, |
| 4695 |
{ sampleBytes: 2, widthDivisor: 2, heightDivisor: 2 } |
| 4696 |
// Interleaved U and V |
| 4697 |
]; |
| 4698 |
case "RGBA": |
| 4699 |
case "RGBX": |
| 4700 |
case "BGRA": |
| 4701 |
case "BGRX": |
| 4702 |
return [ |
| 4703 |
{ sampleBytes: 4, widthDivisor: 1, heightDivisor: 1 } |
| 4704 |
]; |
| 4705 |
default: |
| 4706 |
assertNever(format); |
| 4707 |
assert(false); |
| 4708 |
} |
| 4709 |
}; |
| 4710 |
var ParseVideoFrameCopyToOptions = (sample, options) => { |
| 4711 |
const defaultRect = { |
| 4712 |
left: 0, |
| 4713 |
top: 0, |
| 4714 |
width: sample.codedWidth, |
| 4715 |
height: sample.codedHeight |
| 4716 |
}; |
| 4717 |
const overrideRect = options.rect; |
| 4718 |
const parsedRect = ParseVisibleRect(defaultRect, overrideRect, sample.codedWidth, sample.codedHeight, sample.format); |
| 4719 |
const optLayout = options.layout; |
| 4720 |
let format; |
| 4721 |
if (!options.format || options.format === sample.format) { |
| 4722 |
format = sample.format; |
| 4723 |
} else if (["RGBA", "RGBX", "BGRA", "BGRX"].includes(options.format)) { |
| 4724 |
format = options.format; |
| 4725 |
} else { |
| 4726 |
throw new Error("NotSupportedError: Invalid destination format."); |
| 4727 |
} |
| 4728 |
return ComputeLayoutAndAllocationSize(parsedRect, format, optLayout); |
| 4729 |
}; |
| 4730 |
var ParseVisibleRect = (defaultRect, overrideRect, codedWidth, codedHeight, format) => { |
| 4731 |
const sourceRect = { ...defaultRect }; |
| 4732 |
if (overrideRect !== void 0) { |
| 4733 |
if (overrideRect.width === 0 || overrideRect.height === 0) { |
| 4734 |
throw new TypeError("visibleRect dimensions cannot be zero."); |
| 4735 |
} |
| 4736 |
if ((overrideRect.x || 0) + (overrideRect.width || 0) > codedWidth) { |
| 4737 |
throw new TypeError("visibleRect exceeds codedWidth."); |
| 4738 |
} |
| 4739 |
if ((overrideRect.y || 0) + (overrideRect.height || 0) > codedHeight) { |
| 4740 |
throw new TypeError("visibleRect exceeds codedHeight."); |
| 4741 |
} |
| 4742 |
sourceRect.x = overrideRect.x || 0; |
| 4743 |
sourceRect.y = overrideRect.y || 0; |
| 4744 |
sourceRect.width = overrideRect.width || 0; |
| 4745 |
sourceRect.height = overrideRect.height || 0; |
| 4746 |
} |
| 4747 |
const validAlignment = VerifyRectOffsetAlignment(format, sourceRect); |
| 4748 |
if (!validAlignment) { |
| 4749 |
throw new TypeError("visibleRect alignment is invalid for the format."); |
| 4750 |
} |
| 4751 |
return sourceRect; |
| 4752 |
}; |
| 4753 |
var VerifyRectOffsetAlignment = (format, rect) => { |
| 4754 |
if (format === null) |
| 4755 |
return true; |
| 4756 |
const planes = getPlaneConfigs(format); |
| 4757 |
for (let planeIndex = 0; planeIndex < planes.length; planeIndex++) { |
| 4758 |
const plane = planes[planeIndex]; |
| 4759 |
const sampleWidth = plane.widthDivisor; |
| 4760 |
const sampleHeight = plane.heightDivisor; |
| 4761 |
if ((rect.x || 0) % sampleWidth !== 0) |
| 4762 |
return false; |
| 4763 |
if ((rect.y || 0) % sampleHeight !== 0) |
| 4764 |
return false; |
| 4765 |
} |
| 4766 |
return true; |
| 4767 |
}; |
| 4768 |
var ComputeLayoutAndAllocationSize = (parsedRect, format, layout) => { |
| 4769 |
const planes = getPlaneConfigs(format); |
| 4770 |
const numPlanes = planes.length; |
| 4771 |
if (layout !== void 0 && layout.length !== numPlanes) { |
| 4772 |
throw new TypeError(\`Layout must have \${numPlanes} planes.\`); |
| 4773 |
} |
| 4774 |
let minAllocationSize = 0; |
| 4775 |
const computedLayouts = []; |
| 4776 |
const endOffsets = []; |
| 4777 |
for (let planeIndex = 0; planeIndex < numPlanes; planeIndex++) { |
| 4778 |
const plane = planes[planeIndex]; |
| 4779 |
const sampleBytes = plane.sampleBytes; |
| 4780 |
const sampleWidth = plane.widthDivisor; |
| 4781 |
const sampleHeight = plane.heightDivisor; |
| 4782 |
const computedLayout = { |
| 4783 |
destinationOffset: 0, |
| 4784 |
destinationStride: 0, |
| 4785 |
sourceTop: 0, |
| 4786 |
sourceHeight: 0, |
| 4787 |
sourceLeftBytes: 0, |
| 4788 |
sourceWidthBytes: 0 |
| 4789 |
}; |
| 4790 |
computedLayout.sourceTop = Math.ceil(Math.trunc(parsedRect.y || 0) / sampleHeight); |
| 4791 |
computedLayout.sourceHeight = Math.ceil(Math.trunc(parsedRect.height || 0) / sampleHeight); |
| 4792 |
computedLayout.sourceLeftBytes = Math.floor(Math.trunc(parsedRect.x || 0) / sampleWidth) * sampleBytes; |
| 4793 |
computedLayout.sourceWidthBytes = Math.floor(Math.trunc(parsedRect.width || 0) / sampleWidth) * sampleBytes; |
| 4794 |
if (layout !== void 0) { |
| 4795 |
const planeLayout = layout[planeIndex]; |
| 4796 |
if (planeLayout.stride < computedLayout.sourceWidthBytes) { |
| 4797 |
throw new TypeError(\`Stride for plane \${planeIndex} is too small.\`); |
| 4798 |
} |
| 4799 |
computedLayout.destinationOffset = planeLayout.offset; |
| 4800 |
computedLayout.destinationStride = planeLayout.stride; |
| 4801 |
} else { |
| 4802 |
computedLayout.destinationOffset = minAllocationSize; |
| 4803 |
computedLayout.destinationStride = computedLayout.sourceWidthBytes; |
| 4804 |
} |
| 4805 |
const planeSize = computedLayout.destinationStride * computedLayout.sourceHeight; |
| 4806 |
const planeEnd = planeSize + computedLayout.destinationOffset; |
| 4807 |
if (planeEnd > 4294967295) { |
| 4808 |
throw new TypeError("Allocation size exceeds limit."); |
| 4809 |
} |
| 4810 |
endOffsets.push(planeEnd); |
| 4811 |
minAllocationSize = Math.max(minAllocationSize, planeEnd); |
| 4812 |
for (let earlierPlaneIndex = 0; earlierPlaneIndex < planeIndex; earlierPlaneIndex++) { |
| 4813 |
const earlierLayout = computedLayouts[earlierPlaneIndex]; |
| 4814 |
if (endOffsets[planeIndex] <= earlierLayout.destinationOffset || endOffsets[earlierPlaneIndex] <= computedLayout.destinationOffset) { |
| 4815 |
continue; |
| 4816 |
} |
| 4817 |
throw new TypeError("Planes overlap."); |
| 4818 |
} |
| 4819 |
computedLayouts.push(computedLayout); |
| 4820 |
} |
| 4821 |
return { |
| 4822 |
allocationSize: minAllocationSize, |
| 4823 |
computedLayouts |
| 4824 |
}; |
| 4825 |
}; |
| 4826 |
|
| 4827 |
// node_modules/mediabunny/dist/modules/src/encode.js |
| 4828 |
var canEncodeVideoMemo = /* @__PURE__ */ new Map(); |
| 4829 |
var validateVideoEncodingConfig = (config) => { |
| 4830 |
if (!config || typeof config !== "object") { |
| 4831 |
throw new TypeError("Encoding config must be an object."); |
| 4832 |
} |
| 4833 |
if (!VIDEO_CODECS.includes(config.codec)) { |
| 4834 |
throw new TypeError(\`Invalid video codec '\${config.codec}'. Must be one of: \${VIDEO_CODECS.join(", ")}.\`); |
| 4835 |
} |
| 4836 |
if (!(config.bitrate instanceof Quality) && (!Number.isInteger(config.bitrate) || config.bitrate <= 0)) { |
| 4837 |
throw new TypeError("config.bitrate must be a positive integer or a quality."); |
| 4838 |
} |
| 4839 |
if (config.keyFrameInterval !== void 0 && (!Number.isFinite(config.keyFrameInterval) || config.keyFrameInterval < 0)) { |
| 4840 |
throw new TypeError("config.keyFrameInterval, when provided, must be a non-negative number."); |
| 4841 |
} |
| 4842 |
if (config.sizeChangeBehavior !== void 0 && !["deny", "passThrough", "fill", "contain", "cover"].includes(config.sizeChangeBehavior)) { |
| 4843 |
throw new TypeError("config.sizeChangeBehavior, when provided, must be 'deny', 'passThrough', 'fill', 'contain' or 'cover'."); |
| 4844 |
} |
| 4845 |
if (config.transform !== void 0) { |
| 4846 |
if (typeof config.transform !== "object" || !config.transform) { |
| 4847 |
throw new TypeError("config.transform, when provided, must be an object."); |
| 4848 |
} |
| 4849 |
if (config.transform.width !== void 0 && (!Number.isInteger(config.transform.width) || config.transform.width <= 0)) { |
| 4850 |
throw new TypeError("config.transform.width, when provided, must be a positive integer."); |
| 4851 |
} |
| 4852 |
if (config.transform.height !== void 0 && (!Number.isInteger(config.transform.height) || config.transform.height <= 0)) { |
| 4853 |
throw new TypeError("config.transform.height, when provided, must be a positive integer."); |
| 4854 |
} |
| 4855 |
if (config.transform.fit !== void 0 && !["fill", "contain", "cover"].includes(config.transform.fit)) { |
| 4856 |
throw new TypeError('config.transform.fit, when provided, must be one of "fill", "contain", or "cover".'); |
| 4857 |
} |
| 4858 |
if (config.transform.width !== void 0 && config.transform.height !== void 0 && config.transform.fit === void 0 && !["fill", "contain", "cover"].includes(config.sizeChangeBehavior)) { |
| 4859 |
throw new TypeError("When both config.transform.width and config.transform.height are provided, config.transform.fit must also be provided."); |
| 4860 |
} |
| 4861 |
if (config.transform.fit !== void 0 && ["fill", "contain", "cover"].includes(config.sizeChangeBehavior) && config.transform.fit !== config.sizeChangeBehavior) { |
| 4862 |
throw new TypeError("config.transform.fit, when provided, cannot differ from config.sizeChangeBehavior when config.sizeChangeBehavior is 'fill', 'contain' or 'cover', as sizeChangeBehavior already determines the fitting algorithm."); |
| 4863 |
} |
| 4864 |
if (config.transform.rotate !== void 0 && ![0, 90, 180, 270].includes(config.transform.rotate)) { |
| 4865 |
throw new TypeError("config.transform.rotate, when provided, must be 0, 90, 180 or 270."); |
| 4866 |
} |
| 4867 |
if (config.transform.crop !== void 0) { |
| 4868 |
validateCropRectangle(config.transform.crop, "config.transform."); |
| 4869 |
} |
| 4870 |
if (config.transform.process !== void 0 && typeof config.transform.process !== "function") { |
| 4871 |
throw new TypeError("config.transform.process, when provided, must be a function."); |
| 4872 |
} |
| 4873 |
if (config.transform.frameRate !== void 0 && (!Number.isFinite(config.transform.frameRate) || config.transform.frameRate <= 0)) { |
| 4874 |
throw new TypeError("config.transform.frameRate, when provided, must be a finite positive number."); |
| 4875 |
} |
| 4876 |
if (config.transform.force !== void 0 && typeof config.transform.force !== "boolean") { |
| 4877 |
throw new TypeError("config.transform.force, when provided, must be a boolean."); |
| 4878 |
} |
| 4879 |
} |
| 4880 |
if (config.onEncodedPacket !== void 0 && typeof config.onEncodedPacket !== "function") { |
| 4881 |
throw new TypeError("config.onEncodedPacket, when provided, must be a function."); |
| 4882 |
} |
| 4883 |
if (config.onEncoderConfig !== void 0 && typeof config.onEncoderConfig !== "function") { |
| 4884 |
throw new TypeError("config.onEncoderConfig, when provided, must be a function."); |
| 4885 |
} |
| 4886 |
if (config.onEncodedSample !== void 0 && typeof config.onEncodedSample !== "function") { |
| 4887 |
throw new TypeError("config.onEncodedSample, when provided, must be a function."); |
| 4888 |
} |
| 4889 |
validateVideoEncodingAdditionalOptions(config.codec, config); |
| 4890 |
}; |
| 4891 |
var validateVideoEncodingAdditionalOptions = (codec, options) => { |
| 4892 |
if (!options || typeof options !== "object") { |
| 4893 |
throw new TypeError("Encoding options must be an object."); |
| 4894 |
} |
| 4895 |
if (options.alpha !== void 0 && !["discard", "keep"].includes(options.alpha)) { |
| 4896 |
throw new TypeError("options.alpha, when provided, must be 'discard' or 'keep'."); |
| 4897 |
} |
| 4898 |
if (options.bitrateMode !== void 0 && !["constant", "variable"].includes(options.bitrateMode)) { |
| 4899 |
throw new TypeError("bitrateMode, when provided, must be 'constant' or 'variable'."); |
| 4900 |
} |
| 4901 |
if (options.latencyMode !== void 0 && !["quality", "realtime"].includes(options.latencyMode)) { |
| 4902 |
throw new TypeError("latencyMode, when provided, must be 'quality' or 'realtime'."); |
| 4903 |
} |
| 4904 |
if (options.fullCodecString !== void 0 && typeof options.fullCodecString !== "string") { |
| 4905 |
throw new TypeError("fullCodecString, when provided, must be a string."); |
| 4906 |
} |
| 4907 |
if (options.fullCodecString !== void 0 && inferCodecFromCodecString(options.fullCodecString) !== codec) { |
| 4908 |
throw new TypeError(\`fullCodecString, when provided, must be a string that matches the specified codec (\${codec}).\`); |
| 4909 |
} |
| 4910 |
if (options.hardwareAcceleration !== void 0 && !["no-preference", "prefer-hardware", "prefer-software"].includes(options.hardwareAcceleration)) { |
| 4911 |
throw new TypeError("hardwareAcceleration, when provided, must be 'no-preference', 'prefer-hardware' or 'prefer-software'."); |
| 4912 |
} |
| 4913 |
if (options.scalabilityMode !== void 0 && typeof options.scalabilityMode !== "string") { |
| 4914 |
throw new TypeError("scalabilityMode, when provided, must be a string."); |
| 4915 |
} |
| 4916 |
if (options.contentHint !== void 0 && typeof options.contentHint !== "string") { |
| 4917 |
throw new TypeError("contentHint, when provided, must be a string."); |
| 4918 |
} |
| 4919 |
}; |
| 4920 |
var buildVideoEncoderConfig = (options) => { |
| 4921 |
const resolvedBitrate = options.bitrate instanceof Quality ? options.bitrate._toVideoBitrate(options.codec, options.width, options.height) : options.bitrate; |
| 4922 |
return { |
| 4923 |
codec: options.fullCodecString ?? buildVideoCodecString(options.codec, options.width, options.height, resolvedBitrate), |
| 4924 |
width: options.width, |
| 4925 |
height: options.height, |
| 4926 |
displayWidth: options.squarePixelWidth, |
| 4927 |
displayHeight: options.squarePixelHeight, |
| 4928 |
bitrate: resolvedBitrate, |
| 4929 |
bitrateMode: options.bitrateMode, |
| 4930 |
alpha: options.alpha ?? "discard", |
| 4931 |
framerate: options.framerate, |
| 4932 |
latencyMode: options.latencyMode, |
| 4933 |
hardwareAcceleration: options.hardwareAcceleration, |
| 4934 |
scalabilityMode: options.scalabilityMode, |
| 4935 |
contentHint: options.contentHint, |
| 4936 |
...getVideoEncoderConfigExtension(options.codec) |
| 4937 |
}; |
| 4938 |
}; |
| 4939 |
var Quality = class { |
| 4940 |
/** @internal */ |
| 4941 |
constructor(factor) { |
| 4942 |
this._factor = factor; |
| 4943 |
} |
| 4944 |
/** @internal */ |
| 4945 |
_toVideoBitrate(codec, width, height) { |
| 4946 |
const pixels = width * height; |
| 4947 |
const codecEfficiencyFactors = { |
| 4948 |
avc: 1, |
| 4949 |
// H.264/AVC (baseline) |
| 4950 |
hevc: 0.6, |
| 4951 |
// H.265/HEVC (~40% more efficient than AVC) |
| 4952 |
vp9: 0.6, |
| 4953 |
// Similar to HEVC |
| 4954 |
av1: 0.4, |
| 4955 |
// ~60% more efficient than AVC |
| 4956 |
vp8: 1.2 |
| 4957 |
// Slightly less efficient than AVC |
| 4958 |
}; |
| 4959 |
const referencePixels = 1920 * 1080; |
| 4960 |
const referenceBitrate = 3e6; |
| 4961 |
const scaleFactor = Math.pow(pixels / referencePixels, 0.95); |
| 4962 |
const baseBitrate = referenceBitrate * scaleFactor; |
| 4963 |
const codecAdjustedBitrate = baseBitrate * codecEfficiencyFactors[codec]; |
| 4964 |
const finalBitrate = codecAdjustedBitrate * this._factor; |
| 4965 |
return Math.ceil(finalBitrate / 1e3) * 1e3; |
| 4966 |
} |
| 4967 |
/** @internal */ |
| 4968 |
_toAudioBitrate(codec) { |
| 4969 |
if (PCM_AUDIO_CODECS.includes(codec) || codec === "flac") { |
| 4970 |
return void 0; |
| 4971 |
} |
| 4972 |
const baseRates = { |
| 4973 |
aac: 128e3, |
| 4974 |
// 128kbps base for AAC |
| 4975 |
opus: 64e3, |
| 4976 |
// 64kbps base for Opus |
| 4977 |
mp3: 16e4, |
| 4978 |
// 160kbps base for MP3 |
| 4979 |
vorbis: 64e3, |
| 4980 |
// 64kbps base for Vorbis |
| 4981 |
ac3: 384e3, |
| 4982 |
// 384kbps base for AC-3 |
| 4983 |
eac3: 192e3 |
| 4984 |
// 192kbps base for E-AC-3 |
| 4985 |
}; |
| 4986 |
const baseBitrate = baseRates[codec]; |
| 4987 |
if (!baseBitrate) { |
| 4988 |
throw new Error(\`Unhandled codec: \${codec}\`); |
| 4989 |
} |
| 4990 |
let finalBitrate = baseBitrate * this._factor; |
| 4991 |
if (codec === "aac") { |
| 4992 |
const validRates = [96e3, 128e3, 16e4, 192e3]; |
| 4993 |
finalBitrate = validRates.reduce((prev, curr) => Math.abs(curr - finalBitrate) < Math.abs(prev - finalBitrate) ? curr : prev); |
| 4994 |
} else if (codec === "opus" || codec === "vorbis") { |
| 4995 |
finalBitrate = Math.max(6e3, finalBitrate); |
| 4996 |
} else if (codec === "mp3") { |
| 4997 |
const validRates = [ |
| 4998 |
8e3, |
| 4999 |
16e3, |
| 5000 |
24e3, |
| 5001 |
32e3, |
| 5002 |
4e4, |
| 5003 |
48e3, |
| 5004 |
64e3, |
| 5005 |
8e4, |
| 5006 |
96e3, |
| 5007 |
112e3, |
| 5008 |
128e3, |
| 5009 |
16e4, |
| 5010 |
192e3, |
| 5011 |
224e3, |
| 5012 |
256e3, |
| 5013 |
32e4 |
| 5014 |
]; |
| 5015 |
finalBitrate = validRates.reduce((prev, curr) => Math.abs(curr - finalBitrate) < Math.abs(prev - finalBitrate) ? curr : prev); |
| 5016 |
} |
| 5017 |
return Math.round(finalBitrate / 1e3) * 1e3; |
| 5018 |
} |
| 5019 |
}; |
| 5020 |
var QUALITY_HIGH = /* @__PURE__ */ new Quality(2); |
| 5021 |
var canEncodeVideo = async (codec, options = {}) => { |
| 5022 |
const { width = 1280, height = 720, bitrate = 1e6, ...restOptions } = options; |
| 5023 |
if (!VIDEO_CODECS.includes(codec)) { |
| 5024 |
return false; |
| 5025 |
} |
| 5026 |
if (!Number.isInteger(width) || width <= 0) { |
| 5027 |
throw new TypeError("width must be a positive integer."); |
| 5028 |
} |
| 5029 |
if (!Number.isInteger(height) || height <= 0) { |
| 5030 |
throw new TypeError("height must be a positive integer."); |
| 5031 |
} |
| 5032 |
if (!(bitrate instanceof Quality) && (!Number.isInteger(bitrate) || bitrate <= 0)) { |
| 5033 |
throw new TypeError("bitrate must be a positive integer or a quality."); |
| 5034 |
} |
| 5035 |
validateVideoEncodingAdditionalOptions(codec, restOptions); |
| 5036 |
const encoderConfig = buildVideoEncoderConfig({ |
| 5037 |
codec, |
| 5038 |
width, |
| 5039 |
height, |
| 5040 |
bitrate, |
| 5041 |
framerate: void 0, |
| 5042 |
...restOptions, |
| 5043 |
alpha: "discard" |
| 5044 |
// Since we handle alpha ourselves |
| 5045 |
}); |
| 5046 |
const key = JSON.stringify(encoderConfig); |
| 5047 |
const memoized = canEncodeVideoMemo.get(key); |
| 5048 |
if (memoized) { |
| 5049 |
return memoized; |
| 5050 |
} |
| 5051 |
const promise = (async () => { |
| 5052 |
if (customVideoEncoders.some((x) => x.supports(codec, encoderConfig))) { |
| 5053 |
return true; |
| 5054 |
} |
| 5055 |
if (typeof VideoEncoder === "undefined") { |
| 5056 |
return false; |
| 5057 |
} |
| 5058 |
const hasOddDimension = width % 2 === 1 || height % 2 === 1; |
| 5059 |
if (hasOddDimension && (codec === "avc" || codec === "hevc")) { |
| 5060 |
return false; |
| 5061 |
} |
| 5062 |
const support = await VideoEncoder.isConfigSupported(encoderConfig); |
| 5063 |
if (!support.supported) { |
| 5064 |
return false; |
| 5065 |
} |
| 5066 |
if (isFirefox()) { |
| 5067 |
return new Promise(async (resolve) => { |
| 5068 |
try { |
| 5069 |
const encoder = new VideoEncoder({ |
| 5070 |
output: () => { |
| 5071 |
}, |
| 5072 |
error: () => resolve(false) |
| 5073 |
}); |
| 5074 |
encoder.configure(encoderConfig); |
| 5075 |
const frameData = new Uint8Array(width * height * 4); |
| 5076 |
const frame = new VideoFrame(frameData, { |
| 5077 |
format: "RGBA", |
| 5078 |
codedWidth: width, |
| 5079 |
codedHeight: height, |
| 5080 |
timestamp: 0 |
| 5081 |
}); |
| 5082 |
encoder.encode(frame); |
| 5083 |
frame.close(); |
| 5084 |
await encoder.flush(); |
| 5085 |
resolve(true); |
| 5086 |
} catch { |
| 5087 |
resolve(false); |
| 5088 |
} |
| 5089 |
}); |
| 5090 |
} |
| 5091 |
return true; |
| 5092 |
})(); |
| 5093 |
canEncodeVideoMemo.set(key, promise); |
| 5094 |
return promise; |
| 5095 |
}; |
| 5096 |
|
| 5097 |
// node_modules/mediabunny/dist/modules/src/custom-coder.js |
| 5098 |
var customVideoEncoders = []; |
| 5099 |
|
| 5100 |
// node_modules/mediabunny/dist/modules/src/reader.js |
| 5101 |
var FileSlice = class _FileSlice { |
| 5102 |
constructor(bytes2, view2, offset, start, end) { |
| 5103 |
this.bytes = bytes2; |
| 5104 |
this.view = view2; |
| 5105 |
this.offset = offset; |
| 5106 |
this.start = start; |
| 5107 |
this.end = end; |
| 5108 |
this.bufferPos = start - offset; |
| 5109 |
} |
| 5110 |
static tempFromBytes(bytes2) { |
| 5111 |
return new _FileSlice(bytes2, toDataView(bytes2), 0, 0, bytes2.length); |
| 5112 |
} |
| 5113 |
get length() { |
| 5114 |
return this.end - this.start; |
| 5115 |
} |
| 5116 |
get filePos() { |
| 5117 |
return this.offset + this.bufferPos; |
| 5118 |
} |
| 5119 |
set filePos(value) { |
| 5120 |
this.bufferPos = value - this.offset; |
| 5121 |
} |
| 5122 |
/** The number of bytes left from the current pos to the end of the slice. */ |
| 5123 |
get remainingLength() { |
| 5124 |
return Math.max(this.end - this.filePos, 0); |
| 5125 |
} |
| 5126 |
skip(byteCount) { |
| 5127 |
this.bufferPos += byteCount; |
| 5128 |
} |
| 5129 |
/** Creates a new subslice of this slice whose byte range must be contained within this slice. */ |
| 5130 |
slice(filePos, length = this.end - filePos) { |
| 5131 |
if (filePos < this.start || filePos + length > this.end) { |
| 5132 |
throw new RangeError("Slicing outside of original slice."); |
| 5133 |
} |
| 5134 |
return new _FileSlice(this.bytes, this.view, this.offset, filePos, filePos + length); |
| 5135 |
} |
| 5136 |
}; |
| 5137 |
var checkIsInRange = (slice, bytesToRead) => { |
| 5138 |
if (slice.filePos < slice.start || slice.filePos + bytesToRead > slice.end) { |
| 5139 |
throw new RangeError(\`Tried reading [\${slice.filePos}, \${slice.filePos + bytesToRead}), but slice is [\${slice.start}, \${slice.end}). This is likely an internal error, please report it alongside the file that caused it.\`); |
| 5140 |
} |
| 5141 |
}; |
| 5142 |
var readBytes = (slice, length) => { |
| 5143 |
checkIsInRange(slice, length); |
| 5144 |
const bytes2 = slice.bytes.subarray(slice.bufferPos, slice.bufferPos + length); |
| 5145 |
slice.bufferPos += length; |
| 5146 |
return bytes2; |
| 5147 |
}; |
| 5148 |
|
| 5149 |
// node_modules/mediabunny/dist/modules/src/muxer.js |
| 5150 |
var Muxer = class { |
| 5151 |
constructor(output) { |
| 5152 |
this.mutex = new AsyncMutex(); |
| 5153 |
this.trackTimestampInfo = /* @__PURE__ */ new WeakMap(); |
| 5154 |
this.output = output; |
| 5155 |
} |
| 5156 |
// eslint-disable-next-line @typescript-eslint/no-unused-vars |
| 5157 |
onTrackClose(track) { |
| 5158 |
} |
| 5159 |
validateTimestamp(track, timestampInSeconds, isKeyPacket) { |
| 5160 |
if (timestampInSeconds < 0) { |
| 5161 |
throw new Error(\`Timestamps must be non-negative (got \${timestampInSeconds}s).\`); |
| 5162 |
} |
| 5163 |
let timestampInfo = this.trackTimestampInfo.get(track); |
| 5164 |
if (!timestampInfo) { |
| 5165 |
if (!isKeyPacket) { |
| 5166 |
throw new Error("First packet must be a key packet."); |
| 5167 |
} |
| 5168 |
timestampInfo = { |
| 5169 |
maxTimestamp: timestampInSeconds, |
| 5170 |
maxTimestampBeforeLastKeyPacket: null |
| 5171 |
}; |
| 5172 |
this.trackTimestampInfo.set(track, timestampInfo); |
| 5173 |
} else { |
| 5174 |
if (isKeyPacket) { |
| 5175 |
timestampInfo.maxTimestampBeforeLastKeyPacket = timestampInfo.maxTimestamp; |
| 5176 |
} |
| 5177 |
if (timestampInfo.maxTimestampBeforeLastKeyPacket !== null && timestampInSeconds < timestampInfo.maxTimestampBeforeLastKeyPacket) { |
| 5178 |
throw new Error(\`Timestamps cannot be smaller than the largest timestamp of the previous GOP (a GOP begins with a key packet and ends right before the next key packet). Got \${timestampInSeconds}s, but largest timestamp is \${timestampInfo.maxTimestampBeforeLastKeyPacket}s.\`); |
| 5179 |
} |
| 5180 |
timestampInfo.maxTimestamp = Math.max(timestampInfo.maxTimestamp, timestampInSeconds); |
| 5181 |
} |
| 5182 |
} |
| 5183 |
}; |
| 5184 |
|
| 5185 |
// node_modules/mediabunny/dist/modules/src/subtitles.js |
| 5186 |
var inlineTimestampRegex = /<(?:(\\d{2}):)?(\\d{2}):(\\d{2}).(\\d{3})>/g; |
| 5187 |
var timestampRegex = /(?:(\\d{2}):)?(\\d{2}):(\\d{2}).(\\d{3})/; |
| 5188 |
var parseSubtitleTimestamp = (string) => { |
| 5189 |
const match = timestampRegex.exec(string); |
| 5190 |
if (!match) |
| 5191 |
throw new Error("Expected match."); |
| 5192 |
return 60 * 60 * 1e3 * Number(match[1] || "0") + 60 * 1e3 * Number(match[2]) + 1e3 * Number(match[3]) + Number(match[4]); |
| 5193 |
}; |
| 5194 |
var formatSubtitleTimestamp = (timestamp) => { |
| 5195 |
const hours = Math.floor(timestamp / (60 * 60 * 1e3)); |
| 5196 |
const minutes = Math.floor(timestamp % (60 * 60 * 1e3) / (60 * 1e3)); |
| 5197 |
const seconds = Math.floor(timestamp % (60 * 1e3) / 1e3); |
| 5198 |
const milliseconds = timestamp % 1e3; |
| 5199 |
return hours.toString().padStart(2, "0") + ":" + minutes.toString().padStart(2, "0") + ":" + seconds.toString().padStart(2, "0") + "." + milliseconds.toString().padStart(3, "0"); |
| 5200 |
}; |
| 5201 |
|
| 5202 |
// node_modules/mediabunny/dist/modules/src/isobmff/isobmff-boxes.js |
| 5203 |
var IsobmffBoxWriter = class { |
| 5204 |
constructor(writer) { |
| 5205 |
this.writer = writer; |
| 5206 |
this.helper = new Uint8Array(8); |
| 5207 |
this.helperView = new DataView(this.helper.buffer); |
| 5208 |
this.offsets = /* @__PURE__ */ new WeakMap(); |
| 5209 |
} |
| 5210 |
writeU32(value) { |
| 5211 |
this.helperView.setUint32(0, value, false); |
| 5212 |
this.writer.write(this.helper.subarray(0, 4)); |
| 5213 |
} |
| 5214 |
writeU64(value) { |
| 5215 |
this.helperView.setUint32(0, Math.floor(value / 2 ** 32), false); |
| 5216 |
this.helperView.setUint32(4, value, false); |
| 5217 |
this.writer.write(this.helper.subarray(0, 8)); |
| 5218 |
} |
| 5219 |
writeAscii(text) { |
| 5220 |
for (let i2 = 0; i2 < text.length; i2++) { |
| 5221 |
this.helperView.setUint8(i2 % 8, text.charCodeAt(i2)); |
| 5222 |
if (i2 % 8 === 7) |
| 5223 |
this.writer.write(this.helper); |
| 5224 |
} |
| 5225 |
if (text.length % 8 !== 0) { |
| 5226 |
this.writer.write(this.helper.subarray(0, text.length % 8)); |
| 5227 |
} |
| 5228 |
} |
| 5229 |
writeBox(box2) { |
| 5230 |
this.offsets.set(box2, this.writer.getPos()); |
| 5231 |
if (box2.contents && !box2.children) { |
| 5232 |
this.writeBoxHeader(box2, box2.size ?? box2.contents.byteLength + 8); |
| 5233 |
this.writer.write(box2.contents); |
| 5234 |
} else { |
| 5235 |
const startPos = this.writer.getPos(); |
| 5236 |
this.writeBoxHeader(box2, 0); |
| 5237 |
if (box2.contents) |
| 5238 |
this.writer.write(box2.contents); |
| 5239 |
if (box2.children) { |
| 5240 |
for (const child of box2.children) |
| 5241 |
if (child) |
| 5242 |
this.writeBox(child); |
| 5243 |
} |
| 5244 |
const endPos = this.writer.getPos(); |
| 5245 |
const size = box2.size ?? endPos - startPos; |
| 5246 |
this.writer.seek(startPos); |
| 5247 |
this.writeBoxHeader(box2, size); |
| 5248 |
this.writer.seek(endPos); |
| 5249 |
} |
| 5250 |
} |
| 5251 |
writeBoxHeader(box2, size) { |
| 5252 |
this.writeU32(box2.largeSize ? 1 : size); |
| 5253 |
this.writeAscii(box2.type); |
| 5254 |
if (box2.largeSize) |
| 5255 |
this.writeU64(size); |
| 5256 |
} |
| 5257 |
measureBoxHeader(box2) { |
| 5258 |
return 8 + (box2.largeSize ? 8 : 0); |
| 5259 |
} |
| 5260 |
patchBox(box2) { |
| 5261 |
const boxOffset = this.offsets.get(box2); |
| 5262 |
assert(boxOffset !== void 0); |
| 5263 |
const endPos = this.writer.getPos(); |
| 5264 |
this.writer.seek(boxOffset); |
| 5265 |
this.writeBox(box2); |
| 5266 |
this.writer.seek(endPos); |
| 5267 |
} |
| 5268 |
measureBox(box2) { |
| 5269 |
if (box2.contents && !box2.children) { |
| 5270 |
const headerSize = this.measureBoxHeader(box2); |
| 5271 |
return headerSize + box2.contents.byteLength; |
| 5272 |
} else { |
| 5273 |
let result = this.measureBoxHeader(box2); |
| 5274 |
if (box2.contents) |
| 5275 |
result += box2.contents.byteLength; |
| 5276 |
if (box2.children) { |
| 5277 |
for (const child of box2.children) |
| 5278 |
if (child) |
| 5279 |
result += this.measureBox(child); |
| 5280 |
} |
| 5281 |
return result; |
| 5282 |
} |
| 5283 |
} |
| 5284 |
}; |
| 5285 |
var bytes = /* @__PURE__ */ new Uint8Array(8); |
| 5286 |
var view = /* @__PURE__ */ new DataView(bytes.buffer); |
| 5287 |
var u8 = (value) => { |
| 5288 |
return [(value % 256 + 256) % 256]; |
| 5289 |
}; |
| 5290 |
var u16 = (value) => { |
| 5291 |
view.setUint16(0, value, false); |
| 5292 |
return [bytes[0], bytes[1]]; |
| 5293 |
}; |
| 5294 |
var i16 = (value) => { |
| 5295 |
view.setInt16(0, value, false); |
| 5296 |
return [bytes[0], bytes[1]]; |
| 5297 |
}; |
| 5298 |
var u24 = (value) => { |
| 5299 |
view.setUint32(0, value, false); |
| 5300 |
return [bytes[1], bytes[2], bytes[3]]; |
| 5301 |
}; |
| 5302 |
var u32 = (value) => { |
| 5303 |
view.setUint32(0, value, false); |
| 5304 |
return [bytes[0], bytes[1], bytes[2], bytes[3]]; |
| 5305 |
}; |
| 5306 |
var i32 = (value) => { |
| 5307 |
view.setInt32(0, value, false); |
| 5308 |
return [bytes[0], bytes[1], bytes[2], bytes[3]]; |
| 5309 |
}; |
| 5310 |
var u64 = (value) => { |
| 5311 |
view.setUint32(0, Math.floor(value / 2 ** 32), false); |
| 5312 |
view.setUint32(4, value, false); |
| 5313 |
return [bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6], bytes[7]]; |
| 5314 |
}; |
| 5315 |
var i64 = (value) => { |
| 5316 |
view.setInt32(0, Math.floor(value / 2 ** 32), false); |
| 5317 |
view.setUint32(4, value, false); |
| 5318 |
return [bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6], bytes[7]]; |
| 5319 |
}; |
| 5320 |
var fixed_8_8 = (value) => { |
| 5321 |
view.setInt16(0, 2 ** 8 * value, false); |
| 5322 |
return [bytes[0], bytes[1]]; |
| 5323 |
}; |
| 5324 |
var fixed_16_16 = (value) => { |
| 5325 |
view.setInt32(0, 2 ** 16 * value, false); |
| 5326 |
return [bytes[0], bytes[1], bytes[2], bytes[3]]; |
| 5327 |
}; |
| 5328 |
var fixed_2_30 = (value) => { |
| 5329 |
view.setInt32(0, 2 ** 30 * value, false); |
| 5330 |
return [bytes[0], bytes[1], bytes[2], bytes[3]]; |
| 5331 |
}; |
| 5332 |
var variableUnsignedInt = (value, byteLength) => { |
| 5333 |
const bytes2 = []; |
| 5334 |
let remaining = value; |
| 5335 |
do { |
| 5336 |
let byte = remaining & 127; |
| 5337 |
remaining >>= 7; |
| 5338 |
if (bytes2.length > 0) { |
| 5339 |
byte |= 128; |
| 5340 |
} |
| 5341 |
bytes2.push(byte); |
| 5342 |
if (byteLength !== void 0) { |
| 5343 |
byteLength--; |
| 5344 |
} |
| 5345 |
} while (remaining > 0 || byteLength); |
| 5346 |
return bytes2.reverse(); |
| 5347 |
}; |
| 5348 |
var ascii = (text, nullTerminated = false) => { |
| 5349 |
const bytes2 = Array(text.length).fill(null).map((_2, i2) => text.charCodeAt(i2)); |
| 5350 |
if (nullTerminated) |
| 5351 |
bytes2.push(0); |
| 5352 |
return bytes2; |
| 5353 |
}; |
| 5354 |
var rotationMatrix = (rotationInDegrees) => { |
| 5355 |
const theta = rotationInDegrees * (Math.PI / 180); |
| 5356 |
const cosTheta = Math.round(Math.cos(theta)); |
| 5357 |
const sinTheta = Math.round(Math.sin(theta)); |
| 5358 |
return [ |
| 5359 |
cosTheta, |
| 5360 |
sinTheta, |
| 5361 |
0, |
| 5362 |
-sinTheta, |
| 5363 |
cosTheta, |
| 5364 |
0, |
| 5365 |
0, |
| 5366 |
0, |
| 5367 |
1 |
| 5368 |
]; |
| 5369 |
}; |
| 5370 |
var IDENTITY_MATRIX = /* @__PURE__ */ rotationMatrix(0); |
| 5371 |
var matrixToBytes = (matrix) => { |
| 5372 |
return [ |
| 5373 |
fixed_16_16(matrix[0]), |
| 5374 |
fixed_16_16(matrix[1]), |
| 5375 |
fixed_2_30(matrix[2]), |
| 5376 |
fixed_16_16(matrix[3]), |
| 5377 |
fixed_16_16(matrix[4]), |
| 5378 |
fixed_2_30(matrix[5]), |
| 5379 |
fixed_16_16(matrix[6]), |
| 5380 |
fixed_16_16(matrix[7]), |
| 5381 |
fixed_2_30(matrix[8]) |
| 5382 |
]; |
| 5383 |
}; |
| 5384 |
var box = (type, contents, children) => ({ |
| 5385 |
type, |
| 5386 |
contents: contents && new Uint8Array(contents.flat(10)), |
| 5387 |
children |
| 5388 |
}); |
| 5389 |
var fullBox = (type, version, flags, contents, children) => box(type, [u8(version), u24(flags), contents ?? []], children); |
| 5390 |
var ftyp = (details) => { |
| 5391 |
const minorVersion = 512; |
| 5392 |
if (details.isQuickTime) { |
| 5393 |
return box("ftyp", [ |
| 5394 |
ascii("qt "), |
| 5395 |
// Major brand |
| 5396 |
u32(minorVersion), |
| 5397 |
// Minor version |
| 5398 |
// Compatible brands |
| 5399 |
ascii("qt ") |
| 5400 |
]); |
| 5401 |
} |
| 5402 |
if (details.fragmented) { |
| 5403 |
if (details.cmaf) { |
| 5404 |
return box("ftyp", [ |
| 5405 |
ascii("iso5"), |
| 5406 |
// Major brand |
| 5407 |
u32(minorVersion), |
| 5408 |
// Minor version |
| 5409 |
// Compatible brands |
| 5410 |
ascii("iso5"), |
| 5411 |
ascii("iso6"), |
| 5412 |
ascii("mp41"), |
| 5413 |
ascii("cmfc"), |
| 5414 |
ascii("dash") |
| 5415 |
]); |
| 5416 |
} else { |
| 5417 |
return box("ftyp", [ |
| 5418 |
ascii("iso5"), |
| 5419 |
// Major brand |
| 5420 |
u32(minorVersion), |
| 5421 |
// Minor version |
| 5422 |
// Compatible brands |
| 5423 |
ascii("iso5"), |
| 5424 |
ascii("iso6"), |
| 5425 |
ascii("mp41") |
| 5426 |
]); |
| 5427 |
} |
| 5428 |
} |
| 5429 |
return box("ftyp", [ |
| 5430 |
ascii("isom"), |
| 5431 |
// Major brand |
| 5432 |
u32(minorVersion), |
| 5433 |
// Minor version |
| 5434 |
// Compatible brands |
| 5435 |
ascii("isom"), |
| 5436 |
details.holdsAvc ? ascii("avc1") : [], |
| 5437 |
ascii("mp41") |
| 5438 |
]); |
| 5439 |
}; |
| 5440 |
var styp = () => box("styp", [ |
| 5441 |
ascii("iso5"), |
| 5442 |
// Major brand |
| 5443 |
u32(0), |
| 5444 |
// Minor version |
| 5445 |
// Compatible brands |
| 5446 |
ascii("iso5"), |
| 5447 |
ascii("iso6"), |
| 5448 |
ascii("mp41"), |
| 5449 |
ascii("cmfc"), |
| 5450 |
ascii("dash") |
| 5451 |
]); |
| 5452 |
var sidx = (muxer, referencedSize) => { |
| 5453 |
let duration = muxer.maxWrittenEndTimestamp - muxer.minWrittenTimestamp; |
| 5454 |
if (!Number.isFinite(duration)) { |
| 5455 |
duration = 0; |
| 5456 |
} |
| 5457 |
return fullBox("sidx", 1, 0, [ |
| 5458 |
u32(1), |
| 5459 |
// Reference ID |
| 5460 |
u32(GLOBAL_TIMESCALE), |
| 5461 |
// Timescale |
| 5462 |
u64(intoTimescale(muxer.minWrittenTimestamp, GLOBAL_TIMESCALE)), |
| 5463 |
// Earliest presentation time |
| 5464 |
u64(0), |
| 5465 |
// First offset |
| 5466 |
u16(0), |
| 5467 |
// Reserved |
| 5468 |
u16(1), |
| 5469 |
// Reference count |
| 5470 |
u32(referencedSize & 2147483647), |
| 5471 |
// Reference type (0) + referenced size |
| 5472 |
u32(intoTimescale(duration, GLOBAL_TIMESCALE)), |
| 5473 |
// Subsegment duration |
| 5474 |
u32(0) |
| 5475 |
// Starts with SAP + SAP type + SAP delta time (no information provided) |
| 5476 |
]); |
| 5477 |
}; |
| 5478 |
var mdat = (reserveLargeSize) => ({ type: "mdat", largeSize: reserveLargeSize }); |
| 5479 |
var free = (size) => ({ type: "free", size }); |
| 5480 |
var moov = (muxer) => { |
| 5481 |
return box("moov", void 0, [ |
| 5482 |
mvhd(muxer.creationTime, muxer.trackDatas), |
| 5483 |
...muxer.trackDatas.map((x) => trak(x, muxer.creationTime)), |
| 5484 |
muxer.isFragmented ? mvex(muxer.trackDatas) : null, |
| 5485 |
udta(muxer) |
| 5486 |
]); |
| 5487 |
}; |
| 5488 |
var mvhd = (creationTime, trackDatas) => { |
| 5489 |
const duration = Math.max(0, ...trackDatas.map((trackData) => intoTimescale(presentationSpan(trackData), GLOBAL_TIMESCALE) + intoTimescale(trackData.startTimestampOffset ?? 0, GLOBAL_TIMESCALE))); |
| 5490 |
const nextTrackId = Math.max(0, ...trackDatas.map((x) => x.track.id)) + 1; |
| 5491 |
const needsU64 = !isU32(creationTime) || !isU32(duration); |
| 5492 |
const u32OrU64 = needsU64 ? u64 : u32; |
| 5493 |
return fullBox("mvhd", +needsU64, 0, [ |
| 5494 |
u32OrU64(creationTime), |
| 5495 |
// Creation time |
| 5496 |
u32OrU64(creationTime), |
| 5497 |
// Modification time |
| 5498 |
u32(GLOBAL_TIMESCALE), |
| 5499 |
// Timescale |
| 5500 |
u32OrU64(duration), |
| 5501 |
// Duration |
| 5502 |
fixed_16_16(1), |
| 5503 |
// Preferred rate |
| 5504 |
fixed_8_8(1), |
| 5505 |
// Preferred volume |
| 5506 |
Array(10).fill(0), |
| 5507 |
// Reserved |
| 5508 |
matrixToBytes(IDENTITY_MATRIX), |
| 5509 |
// Matrix |
| 5510 |
Array(24).fill(0), |
| 5511 |
// Pre-defined |
| 5512 |
u32(nextTrackId) |
| 5513 |
// Next track ID |
| 5514 |
]); |
| 5515 |
}; |
| 5516 |
var presentationSpan = (trackData) => { |
| 5517 |
if (trackData.samples.length === 0) { |
| 5518 |
return 0; |
| 5519 |
} |
| 5520 |
let minTimestamp = Infinity; |
| 5521 |
let maxEndTimestamp = -Infinity; |
| 5522 |
for (let i2 = 0; i2 < trackData.samples.length; i2++) { |
| 5523 |
const sample = trackData.samples[i2]; |
| 5524 |
if (sample.timestamp < minTimestamp) { |
| 5525 |
minTimestamp = sample.timestamp; |
| 5526 |
} |
| 5527 |
if (sample.timestamp + sample.duration > maxEndTimestamp) { |
| 5528 |
maxEndTimestamp = sample.timestamp + sample.duration; |
| 5529 |
} |
| 5530 |
} |
| 5531 |
if (minTimestamp === Infinity) { |
| 5532 |
return 0; |
| 5533 |
} |
| 5534 |
return maxEndTimestamp - minTimestamp; |
| 5535 |
}; |
| 5536 |
var trak = (trackData, creationTime) => { |
| 5537 |
const trackMetadata = getTrackMetadata(trackData); |
| 5538 |
const needsEditList = trackData.startTimestampOffset !== null && trackData.startTimestampOffset > 0; |
| 5539 |
return box("trak", void 0, [ |
| 5540 |
tkhd(trackData, creationTime), |
| 5541 |
needsEditList ? edts(trackData, trackData.startTimestampOffset) : null, |
| 5542 |
mdia(trackData, creationTime), |
| 5543 |
trackMetadata.name !== void 0 ? box("udta", void 0, [ |
| 5544 |
box("name", [ |
| 5545 |
...textEncoder.encode(trackMetadata.name) |
| 5546 |
]) |
| 5547 |
]) : null |
| 5548 |
]); |
| 5549 |
}; |
| 5550 |
var tkhd = (trackData, creationTime) => { |
| 5551 |
const durationInGlobalTimescale = intoTimescale(presentationSpan(trackData), GLOBAL_TIMESCALE) + intoTimescale(trackData.startTimestampOffset ?? 0, GLOBAL_TIMESCALE); |
| 5552 |
const needsU64 = !isU32(creationTime) || !isU32(durationInGlobalTimescale); |
| 5553 |
const u32OrU64 = needsU64 ? u64 : u32; |
| 5554 |
let matrix; |
| 5555 |
if (trackData.type === "video") { |
| 5556 |
const rotation = trackData.track.metadata.rotation; |
| 5557 |
matrix = rotationMatrix(rotation ?? 0); |
| 5558 |
} else { |
| 5559 |
matrix = IDENTITY_MATRIX; |
| 5560 |
} |
| 5561 |
let flags = 2; |
| 5562 |
if (trackData.track.metadata.disposition?.default !== false) { |
| 5563 |
flags |= 1; |
| 5564 |
} |
| 5565 |
return fullBox("tkhd", +needsU64, flags, [ |
| 5566 |
u32OrU64(creationTime), |
| 5567 |
// Creation time |
| 5568 |
u32OrU64(creationTime), |
| 5569 |
// Modification time |
| 5570 |
u32(trackData.track.id), |
| 5571 |
// Track ID |
| 5572 |
u32(0), |
| 5573 |
// Reserved |
| 5574 |
u32OrU64(durationInGlobalTimescale), |
| 5575 |
// Duration |
| 5576 |
Array(8).fill(0), |
| 5577 |
// Reserved |
| 5578 |
u16(0), |
| 5579 |
// Layer |
| 5580 |
u16(trackData.track.id), |
| 5581 |
// Alternate group |
| 5582 |
fixed_8_8(trackData.type === "audio" ? 1 : 0), |
| 5583 |
// Volume |
| 5584 |
u16(0), |
| 5585 |
// Reserved |
| 5586 |
matrixToBytes(matrix), |
| 5587 |
// Matrix |
| 5588 |
fixed_16_16(trackData.type === "video" ? trackData.info.width : 0), |
| 5589 |
// Track width |
| 5590 |
fixed_16_16(trackData.type === "video" ? trackData.info.height : 0) |
| 5591 |
// Track height |
| 5592 |
]); |
| 5593 |
}; |
| 5594 |
var edts = (trackData, offset) => { |
| 5595 |
const startOffset = intoTimescale(offset, GLOBAL_TIMESCALE); |
| 5596 |
const mediaDuration = intoTimescale(presentationSpan(trackData), GLOBAL_TIMESCALE); |
| 5597 |
const needs64Bits = !isU32(startOffset) || !isU32(mediaDuration); |
| 5598 |
const u32OrU64 = needs64Bits ? u64 : u32; |
| 5599 |
const i32OrI64 = needs64Bits ? i64 : i32; |
| 5600 |
return box("edts", void 0, [ |
| 5601 |
fullBox("elst", needs64Bits ? 1 : 0, 0, [ |
| 5602 |
u32(2), |
| 5603 |
// Entry count |
| 5604 |
// #1 |
| 5605 |
u32OrU64(startOffset), |
| 5606 |
// Segment duration |
| 5607 |
i32OrI64(-1), |
| 5608 |
// Media time |
| 5609 |
fixed_16_16(1), |
| 5610 |
// Media rate |
| 5611 |
// #2 |
| 5612 |
u32OrU64(mediaDuration), |
| 5613 |
// Segment duration |
| 5614 |
i32OrI64(0), |
| 5615 |
// Media time |
| 5616 |
fixed_16_16(1) |
| 5617 |
// Media rate |
| 5618 |
]) |
| 5619 |
]); |
| 5620 |
}; |
| 5621 |
var mdia = (trackData, creationTime) => box("mdia", void 0, [ |
| 5622 |
mdhd(trackData, creationTime), |
| 5623 |
hdlr(true, TRACK_TYPE_TO_COMPONENT_SUBTYPE[trackData.type], TRACK_TYPE_TO_HANDLER_NAME[trackData.type]), |
| 5624 |
minf(trackData) |
| 5625 |
]); |
| 5626 |
var mdhd = (trackData, creationTime) => { |
| 5627 |
const localDuration = intoTimescale(presentationSpan(trackData), trackData.timescale); |
| 5628 |
const needsU64 = !isU32(creationTime) || !isU32(localDuration); |
| 5629 |
const u32OrU64 = needsU64 ? u64 : u32; |
| 5630 |
return fullBox("mdhd", +needsU64, 0, [ |
| 5631 |
u32OrU64(creationTime), |
| 5632 |
// Creation time |
| 5633 |
u32OrU64(creationTime), |
| 5634 |
// Modification time |
| 5635 |
u32(trackData.timescale), |
| 5636 |
// Timescale |
| 5637 |
u32OrU64(localDuration), |
| 5638 |
// Duration |
| 5639 |
u16(getLanguageCodeInt(trackData.track.metadata.languageCode ?? UNDETERMINED_LANGUAGE)), |
| 5640 |
// Language |
| 5641 |
u16(0) |
| 5642 |
// Quality |
| 5643 |
]); |
| 5644 |
}; |
| 5645 |
var TRACK_TYPE_TO_COMPONENT_SUBTYPE = { |
| 5646 |
video: "vide", |
| 5647 |
audio: "soun", |
| 5648 |
subtitle: "text" |
| 5649 |
}; |
| 5650 |
var TRACK_TYPE_TO_HANDLER_NAME = { |
| 5651 |
video: "MediabunnyVideoHandler", |
| 5652 |
audio: "MediabunnySoundHandler", |
| 5653 |
subtitle: "MediabunnyTextHandler" |
| 5654 |
}; |
| 5655 |
var hdlr = (hasComponentType, handlerType, name, manufacturer = "\\0\\0\\0\\0") => fullBox("hdlr", 0, 0, [ |
| 5656 |
hasComponentType ? ascii("mhlr") : u32(0), |
| 5657 |
// Component type |
| 5658 |
ascii(handlerType), |
| 5659 |
// Component subtype |
| 5660 |
ascii(manufacturer), |
| 5661 |
// Component manufacturer |
| 5662 |
u32(0), |
| 5663 |
// Component flags |
| 5664 |
u32(0), |
| 5665 |
// Component flags mask |
| 5666 |
ascii(name, true) |
| 5667 |
// Component name |
| 5668 |
]); |
| 5669 |
var minf = (trackData) => box("minf", void 0, [ |
| 5670 |
TRACK_TYPE_TO_HEADER_BOX[trackData.type](), |
| 5671 |
dinf(), |
| 5672 |
stbl(trackData) |
| 5673 |
]); |
| 5674 |
var vmhd = () => fullBox("vmhd", 0, 1, [ |
| 5675 |
u16(0), |
| 5676 |
// Graphics mode |
| 5677 |
u16(0), |
| 5678 |
// Opcolor R |
| 5679 |
u16(0), |
| 5680 |
// Opcolor G |
| 5681 |
u16(0) |
| 5682 |
// Opcolor B |
| 5683 |
]); |
| 5684 |
var smhd = () => fullBox("smhd", 0, 0, [ |
| 5685 |
u16(0), |
| 5686 |
// Balance |
| 5687 |
u16(0) |
| 5688 |
// Reserved |
| 5689 |
]); |
| 5690 |
var nmhd = () => fullBox("nmhd", 0, 0); |
| 5691 |
var TRACK_TYPE_TO_HEADER_BOX = { |
| 5692 |
video: vmhd, |
| 5693 |
audio: smhd, |
| 5694 |
subtitle: nmhd |
| 5695 |
}; |
| 5696 |
var dinf = () => box("dinf", void 0, [ |
| 5697 |
dref() |
| 5698 |
]); |
| 5699 |
var dref = () => fullBox("dref", 0, 0, [ |
| 5700 |
u32(1) |
| 5701 |
// Entry count |
| 5702 |
], [ |
| 5703 |
url() |
| 5704 |
]); |
| 5705 |
var url = () => fullBox("url ", 0, 1); |
| 5706 |
var stbl = (trackData) => { |
| 5707 |
const needsCtts = trackData.compositionTimeOffsetTable.length > 1 || trackData.compositionTimeOffsetTable.some((x) => x.sampleCompositionTimeOffset !== 0); |
| 5708 |
return box("stbl", void 0, [ |
| 5709 |
stsd(trackData), |
| 5710 |
stts(trackData), |
| 5711 |
needsCtts ? ctts(trackData) : null, |
| 5712 |
needsCtts ? cslg(trackData) : null, |
| 5713 |
stsc(trackData), |
| 5714 |
stsz(trackData), |
| 5715 |
stco(trackData), |
| 5716 |
stss(trackData) |
| 5717 |
]); |
| 5718 |
}; |
| 5719 |
var stsd = (trackData) => { |
| 5720 |
let sampleDescription; |
| 5721 |
if (trackData.type === "video") { |
| 5722 |
sampleDescription = videoSampleDescription(videoCodecToBoxName(trackData.track.source._codec, trackData.info.decoderConfig.codec), trackData); |
| 5723 |
} else if (trackData.type === "audio") { |
| 5724 |
const boxName = audioCodecToBoxName(trackData.track.source._codec, trackData.muxer.isQuickTime); |
| 5725 |
assert(boxName); |
| 5726 |
sampleDescription = soundSampleDescription(boxName, trackData); |
| 5727 |
} else if (trackData.type === "subtitle") { |
| 5728 |
sampleDescription = subtitleSampleDescription(SUBTITLE_CODEC_TO_BOX_NAME[trackData.track.source._codec], trackData); |
| 5729 |
} |
| 5730 |
assert(sampleDescription); |
| 5731 |
return fullBox("stsd", 0, 0, [ |
| 5732 |
u32(1) |
| 5733 |
// Entry count |
| 5734 |
], [ |
| 5735 |
sampleDescription |
| 5736 |
]); |
| 5737 |
}; |
| 5738 |
var videoSampleDescription = (compressionType, trackData) => box(compressionType, [ |
| 5739 |
Array(6).fill(0), |
| 5740 |
// Reserved |
| 5741 |
u16(1), |
| 5742 |
// Data reference index |
| 5743 |
u16(0), |
| 5744 |
// Pre-defined |
| 5745 |
u16(0), |
| 5746 |
// Reserved |
| 5747 |
Array(12).fill(0), |
| 5748 |
// Pre-defined |
| 5749 |
u16(trackData.info.width), |
| 5750 |
// Width |
| 5751 |
u16(trackData.info.height), |
| 5752 |
// Height |
| 5753 |
u32(4718592), |
| 5754 |
// Horizontal resolution |
| 5755 |
u32(4718592), |
| 5756 |
// Vertical resolution |
| 5757 |
u32(0), |
| 5758 |
// Reserved |
| 5759 |
u16(1), |
| 5760 |
// Frame count |
| 5761 |
Array(32).fill(0), |
| 5762 |
// Compressor name |
| 5763 |
u16(24), |
| 5764 |
// Depth |
| 5765 |
i16(65535) |
| 5766 |
// Pre-defined |
| 5767 |
], [ |
| 5768 |
VIDEO_CODEC_TO_CONFIGURATION_BOX[trackData.track.source._codec](trackData), |
| 5769 |
pasp(trackData), |
| 5770 |
colorSpaceIsComplete(trackData.info.decoderConfig.colorSpace) ? colr(trackData) : null |
| 5771 |
]); |
| 5772 |
var pasp = (trackData) => { |
| 5773 |
if (trackData.info.pixelAspectRatio.num === trackData.info.pixelAspectRatio.den) { |
| 5774 |
return null; |
| 5775 |
} |
| 5776 |
return box("pasp", [ |
| 5777 |
u32(trackData.info.pixelAspectRatio.num), |
| 5778 |
u32(trackData.info.pixelAspectRatio.den) |
| 5779 |
]); |
| 5780 |
}; |
| 5781 |
var colr = (trackData) => box("colr", [ |
| 5782 |
ascii(trackData.muxer.isQuickTime ? "nclc" : "nclx"), |
| 5783 |
// Colour type |
| 5784 |
u16(COLOR_PRIMARIES_MAP[trackData.info.decoderConfig.colorSpace.primaries]), |
| 5785 |
// Colour primaries |
| 5786 |
u16(TRANSFER_CHARACTERISTICS_MAP[trackData.info.decoderConfig.colorSpace.transfer]), |
| 5787 |
// Transfer characteristics |
| 5788 |
u16(MATRIX_COEFFICIENTS_MAP[trackData.info.decoderConfig.colorSpace.matrix]), |
| 5789 |
// Matrix coefficients |
| 5790 |
trackData.muxer.isQuickTime ? [] : u8((trackData.info.decoderConfig.colorSpace.fullRange ? 1 : 0) << 7) |
| 5791 |
// Full range flag |
| 5792 |
]); |
| 5793 |
var avcC = (trackData) => trackData.info.decoderConfig && box("avcC", [ |
| 5794 |
// For AVC, description is an AVCDecoderConfigurationRecord, so nothing else to do here |
| 5795 |
...toUint8Array(trackData.info.decoderConfig.description) |
| 5796 |
]); |
| 5797 |
var hvcC = (trackData) => trackData.info.decoderConfig && box("hvcC", [ |
| 5798 |
// For HEVC, description is an HEVCDecoderConfigurationRecord, so nothing else to do here |
| 5799 |
...toUint8Array(trackData.info.decoderConfig.description) |
| 5800 |
]); |
| 5801 |
var vpcC = (trackData) => { |
| 5802 |
if (!trackData.info.decoderConfig) { |
| 5803 |
return null; |
| 5804 |
} |
| 5805 |
const decoderConfig = trackData.info.decoderConfig; |
| 5806 |
const parts = decoderConfig.codec.split("."); |
| 5807 |
const profile = Number(parts[1]); |
| 5808 |
const level = Number(parts[2]); |
| 5809 |
const bitDepth = Number(parts[3]); |
| 5810 |
const chromaSubsampling = parts[4] ? Number(parts[4]) : 1; |
| 5811 |
const videoFullRangeFlag = parts[8] ? Number(parts[8]) : Number(decoderConfig.colorSpace?.fullRange ?? 0); |
| 5812 |
const thirdByte = (bitDepth << 4) + (chromaSubsampling << 1) + videoFullRangeFlag; |
| 5813 |
const colourPrimaries = parts[5] ? Number(parts[5]) : decoderConfig.colorSpace?.primaries ? COLOR_PRIMARIES_MAP[decoderConfig.colorSpace.primaries] : 2; |
| 5814 |
const transferCharacteristics = parts[6] ? Number(parts[6]) : decoderConfig.colorSpace?.transfer ? TRANSFER_CHARACTERISTICS_MAP[decoderConfig.colorSpace.transfer] : 2; |
| 5815 |
const matrixCoefficients = parts[7] ? Number(parts[7]) : decoderConfig.colorSpace?.matrix ? MATRIX_COEFFICIENTS_MAP[decoderConfig.colorSpace.matrix] : 2; |
| 5816 |
return fullBox("vpcC", 1, 0, [ |
| 5817 |
u8(profile), |
| 5818 |
// Profile |
| 5819 |
u8(level), |
| 5820 |
// Level |
| 5821 |
u8(thirdByte), |
| 5822 |
// Bit depth, chroma subsampling, full range |
| 5823 |
u8(colourPrimaries), |
| 5824 |
// Colour primaries |
| 5825 |
u8(transferCharacteristics), |
| 5826 |
// Transfer characteristics |
| 5827 |
u8(matrixCoefficients), |
| 5828 |
// Matrix coefficients |
| 5829 |
u16(0) |
| 5830 |
// Codec initialization data size |
| 5831 |
]); |
| 5832 |
}; |
| 5833 |
var av1C = (trackData) => { |
| 5834 |
return box("av1C", generateAv1CodecConfigurationFromCodecString(trackData.info.decoderConfig.codec)); |
| 5835 |
}; |
| 5836 |
var soundSampleDescription = (compressionType, trackData) => { |
| 5837 |
let version = 0; |
| 5838 |
let contents; |
| 5839 |
let sampleSizeInBits = 16; |
| 5840 |
const isPcmCodec = PCM_AUDIO_CODECS.includes(trackData.track.source._codec); |
| 5841 |
if (isPcmCodec) { |
| 5842 |
const codec = trackData.track.source._codec; |
| 5843 |
const { sampleSize } = parsePcmCodec(codec); |
| 5844 |
sampleSizeInBits = 8 * sampleSize; |
| 5845 |
if (sampleSizeInBits > 16) { |
| 5846 |
version = 1; |
| 5847 |
} |
| 5848 |
} |
| 5849 |
if (trackData.muxer.isQuickTime) { |
| 5850 |
version = 1; |
| 5851 |
} |
| 5852 |
if (version === 0) { |
| 5853 |
contents = [ |
| 5854 |
Array(6).fill(0), |
| 5855 |
// Reserved |
| 5856 |
u16(1), |
| 5857 |
// Data reference index |
| 5858 |
u16(version), |
| 5859 |
// Version |
| 5860 |
u16(0), |
| 5861 |
// Revision level |
| 5862 |
u32(0), |
| 5863 |
// Vendor |
| 5864 |
u16(trackData.info.numberOfChannels), |
| 5865 |
// Number of channels |
| 5866 |
u16(sampleSizeInBits), |
| 5867 |
// Sample size (bits) |
| 5868 |
u16(0), |
| 5869 |
// Compression ID |
| 5870 |
u16(0), |
| 5871 |
// Packet size |
| 5872 |
u16(trackData.info.sampleRate < 2 ** 16 ? trackData.info.sampleRate : 0), |
| 5873 |
// Sample rate (upper) |
| 5874 |
u16(0) |
| 5875 |
// Sample rate (lower) |
| 5876 |
]; |
| 5877 |
} else { |
| 5878 |
const compressionId = isPcmCodec ? 0 : -2; |
| 5879 |
contents = [ |
| 5880 |
Array(6).fill(0), |
| 5881 |
// Reserved |
| 5882 |
u16(1), |
| 5883 |
// Data reference index |
| 5884 |
u16(version), |
| 5885 |
// Version |
| 5886 |
u16(0), |
| 5887 |
// Revision level |
| 5888 |
u32(0), |
| 5889 |
// Vendor |
| 5890 |
u16(trackData.info.numberOfChannels), |
| 5891 |
// Number of channels |
| 5892 |
u16(Math.min(sampleSizeInBits, 16)), |
| 5893 |
// Sample size (bits) |
| 5894 |
i16(compressionId), |
| 5895 |
// Compression ID |
| 5896 |
u16(0), |
| 5897 |
// Packet size |
| 5898 |
u16(trackData.info.sampleRate < 2 ** 16 ? trackData.info.sampleRate : 0), |
| 5899 |
// Sample rate (upper) |
| 5900 |
u16(0), |
| 5901 |
// Sample rate (lower) |
| 5902 |
isPcmCodec ? [ |
| 5903 |
u32(1), |
| 5904 |
// Samples per packet (must be 1 for uncompressed formats) |
| 5905 |
u32(sampleSizeInBits / 8), |
| 5906 |
// Bytes per packet |
| 5907 |
u32(trackData.info.numberOfChannels * sampleSizeInBits / 8) |
| 5908 |
// Bytes per frame |
| 5909 |
] : [ |
| 5910 |
u32(0), |
| 5911 |
// Samples per packet (don't bother, still works with 0) |
| 5912 |
u32(0), |
| 5913 |
// Bytes per packet (variable) |
| 5914 |
u32(0) |
| 5915 |
// Bytes per frame (variable) |
| 5916 |
], |
| 5917 |
u32(2) |
| 5918 |
// Bytes per sample (constant in FFmpeg) |
| 5919 |
]; |
| 5920 |
} |
| 5921 |
return box(compressionType, contents, [ |
| 5922 |
audioCodecToConfigurationBox(trackData.track.source._codec, trackData.muxer.isQuickTime)?.(trackData) ?? null |
| 5923 |
]); |
| 5924 |
}; |
| 5925 |
var esds = (trackData) => { |
| 5926 |
let objectTypeIndication; |
| 5927 |
switch (trackData.track.source._codec) { |
| 5928 |
case "aac": |
| 5929 |
{ |
| 5930 |
objectTypeIndication = 64; |
| 5931 |
} |
| 5932 |
; |
| 5933 |
break; |
| 5934 |
case "mp3": |
| 5935 |
{ |
| 5936 |
objectTypeIndication = 107; |
| 5937 |
} |
| 5938 |
; |
| 5939 |
break; |
| 5940 |
case "vorbis": |
| 5941 |
{ |
| 5942 |
objectTypeIndication = 221; |
| 5943 |
} |
| 5944 |
; |
| 5945 |
break; |
| 5946 |
default: |
| 5947 |
throw new Error(\`Unhandled audio codec: \${trackData.track.source._codec}\`); |
| 5948 |
} |
| 5949 |
let bytes2 = [ |
| 5950 |
...u8(objectTypeIndication), |
| 5951 |
// Object type indication |
| 5952 |
...u8(21), |
| 5953 |
// stream type(6bits)=5 audio, flags(2bits)=1 |
| 5954 |
...u24(0), |
| 5955 |
// 24bit buffer size |
| 5956 |
...u32(0), |
| 5957 |
// max bitrate |
| 5958 |
...u32(0) |
| 5959 |
// avg bitrate |
| 5960 |
]; |
| 5961 |
if (trackData.info.decoderConfig.description) { |
| 5962 |
const description = toUint8Array(trackData.info.decoderConfig.description); |
| 5963 |
bytes2 = [ |
| 5964 |
...bytes2, |
| 5965 |
...u8(5), |
| 5966 |
// TAG(5) = DecoderSpecificInfo |
| 5967 |
...variableUnsignedInt(description.byteLength), |
| 5968 |
...description |
| 5969 |
]; |
| 5970 |
} |
| 5971 |
bytes2 = [ |
| 5972 |
...u16(1), |
| 5973 |
// ES_ID = 1 |
| 5974 |
...u8(0), |
| 5975 |
// flags etc = 0 |
| 5976 |
...u8(4), |
| 5977 |
// TAG(4) = ES Descriptor |
| 5978 |
...variableUnsignedInt(bytes2.length), |
| 5979 |
...bytes2, |
| 5980 |
...u8(6), |
| 5981 |
// TAG(6) |
| 5982 |
...u8(1), |
| 5983 |
// length |
| 5984 |
...u8(2) |
| 5985 |
// data |
| 5986 |
]; |
| 5987 |
bytes2 = [ |
| 5988 |
...u8(3), |
| 5989 |
// TAG(3) = Object Descriptor |
| 5990 |
...variableUnsignedInt(bytes2.length), |
| 5991 |
...bytes2 |
| 5992 |
]; |
| 5993 |
return fullBox("esds", 0, 0, bytes2); |
| 5994 |
}; |
| 5995 |
var wave = (trackData) => { |
| 5996 |
return box("wave", void 0, [ |
| 5997 |
frma(trackData), |
| 5998 |
enda(trackData), |
| 5999 |
box("\\0\\0\\0\\0") |
| 6000 |
// NULL tag at the end |
| 6001 |
]); |
| 6002 |
}; |
| 6003 |
var frma = (trackData) => { |
| 6004 |
return box("frma", [ |
| 6005 |
ascii(audioCodecToBoxName(trackData.track.source._codec, trackData.muxer.isQuickTime)) |
| 6006 |
]); |
| 6007 |
}; |
| 6008 |
var enda = (trackData) => { |
| 6009 |
const { littleEndian } = parsePcmCodec(trackData.track.source._codec); |
| 6010 |
return box("enda", [ |
| 6011 |
u16(+littleEndian) |
| 6012 |
]); |
| 6013 |
}; |
| 6014 |
var dOps = (trackData) => { |
| 6015 |
let outputChannelCount = trackData.info.numberOfChannels; |
| 6016 |
let preSkip = 3840; |
| 6017 |
let inputSampleRate = trackData.info.sampleRate; |
| 6018 |
let outputGain = 0; |
| 6019 |
let channelMappingFamily = 0; |
| 6020 |
let channelMappingTable = new Uint8Array(0); |
| 6021 |
const description = trackData.info.decoderConfig?.description; |
| 6022 |
if (description) { |
| 6023 |
assert(description.byteLength >= 18); |
| 6024 |
const bytes2 = toUint8Array(description); |
| 6025 |
const header = parseOpusIdentificationHeader(bytes2); |
| 6026 |
outputChannelCount = header.outputChannelCount; |
| 6027 |
preSkip = header.preSkip; |
| 6028 |
inputSampleRate = header.inputSampleRate; |
| 6029 |
outputGain = header.outputGain; |
| 6030 |
channelMappingFamily = header.channelMappingFamily; |
| 6031 |
if (header.channelMappingTable) { |
| 6032 |
channelMappingTable = header.channelMappingTable; |
| 6033 |
} |
| 6034 |
} |
| 6035 |
return box("dOps", [ |
| 6036 |
u8(0), |
| 6037 |
// Version |
| 6038 |
u8(outputChannelCount), |
| 6039 |
// OutputChannelCount |
| 6040 |
u16(preSkip), |
| 6041 |
// PreSkip |
| 6042 |
u32(inputSampleRate), |
| 6043 |
// InputSampleRate |
| 6044 |
i16(outputGain), |
| 6045 |
// OutputGain |
| 6046 |
u8(channelMappingFamily), |
| 6047 |
// ChannelMappingFamily |
| 6048 |
...channelMappingTable |
| 6049 |
]); |
| 6050 |
}; |
| 6051 |
var dfLa = (trackData) => { |
| 6052 |
const description = trackData.info.decoderConfig?.description; |
| 6053 |
assert(description); |
| 6054 |
const bytes2 = toUint8Array(description); |
| 6055 |
return fullBox("dfLa", 0, 0, [ |
| 6056 |
...bytes2.subarray(4) |
| 6057 |
]); |
| 6058 |
}; |
| 6059 |
var pcmC = (trackData) => { |
| 6060 |
const { littleEndian, sampleSize } = parsePcmCodec(trackData.track.source._codec); |
| 6061 |
const formatFlags = +littleEndian; |
| 6062 |
return fullBox("pcmC", 0, 0, [ |
| 6063 |
u8(formatFlags), |
| 6064 |
u8(8 * sampleSize) |
| 6065 |
]); |
| 6066 |
}; |
| 6067 |
var dac3 = (trackData) => { |
| 6068 |
const frameInfo = parseAc3SyncFrame(trackData.info.firstPacket.data); |
| 6069 |
if (!frameInfo) { |
| 6070 |
throw new Error("Couldn't extract AC-3 frame info from the audio packet. Ensure the packets contain valid AC-3 sync frames (as specified in ETSI TS 102 366)."); |
| 6071 |
} |
| 6072 |
const bytes2 = new Uint8Array(3); |
| 6073 |
const bitstream = new Bitstream(bytes2); |
| 6074 |
bitstream.writeBits(2, frameInfo.fscod); |
| 6075 |
bitstream.writeBits(5, frameInfo.bsid); |
| 6076 |
bitstream.writeBits(3, frameInfo.bsmod); |
| 6077 |
bitstream.writeBits(3, frameInfo.acmod); |
| 6078 |
bitstream.writeBits(1, frameInfo.lfeon); |
| 6079 |
bitstream.writeBits(5, frameInfo.bitRateCode); |
| 6080 |
bitstream.writeBits(5, 0); |
| 6081 |
return box("dac3", [...bytes2]); |
| 6082 |
}; |
| 6083 |
var dec3 = (trackData) => { |
| 6084 |
const frameInfo = parseEac3SyncFrame(trackData.info.firstPacket.data); |
| 6085 |
if (!frameInfo) { |
| 6086 |
throw new Error("Couldn't extract E-AC-3 frame info from the audio packet. Ensure the packets contain valid E-AC-3 sync frames (as specified in ETSI TS 102 366)."); |
| 6087 |
} |
| 6088 |
let totalBits = 16; |
| 6089 |
for (const sub of frameInfo.substreams) { |
| 6090 |
totalBits += 23; |
| 6091 |
if (sub.numDepSub > 0) { |
| 6092 |
totalBits += 9; |
| 6093 |
} else { |
| 6094 |
totalBits += 1; |
| 6095 |
} |
| 6096 |
} |
| 6097 |
const size = Math.ceil(totalBits / 8); |
| 6098 |
const bytes2 = new Uint8Array(size); |
| 6099 |
const bitstream = new Bitstream(bytes2); |
| 6100 |
bitstream.writeBits(13, frameInfo.dataRate); |
| 6101 |
bitstream.writeBits(3, frameInfo.substreams.length - 1); |
| 6102 |
for (const sub of frameInfo.substreams) { |
| 6103 |
bitstream.writeBits(2, sub.fscod); |
| 6104 |
bitstream.writeBits(5, sub.bsid); |
| 6105 |
bitstream.writeBits(1, 0); |
| 6106 |
bitstream.writeBits(1, 0); |
| 6107 |
bitstream.writeBits(3, sub.bsmod); |
| 6108 |
bitstream.writeBits(3, sub.acmod); |
| 6109 |
bitstream.writeBits(1, sub.lfeon); |
| 6110 |
bitstream.writeBits(3, 0); |
| 6111 |
bitstream.writeBits(4, sub.numDepSub); |
| 6112 |
if (sub.numDepSub > 0) { |
| 6113 |
bitstream.writeBits(9, sub.chanLoc); |
| 6114 |
} else { |
| 6115 |
bitstream.writeBits(1, 0); |
| 6116 |
} |
| 6117 |
} |
| 6118 |
return box("dec3", [...bytes2]); |
| 6119 |
}; |
| 6120 |
var subtitleSampleDescription = (compressionType, trackData) => box(compressionType, [ |
| 6121 |
Array(6).fill(0), |
| 6122 |
// Reserved |
| 6123 |
u16(1) |
| 6124 |
// Data reference index |
| 6125 |
], [ |
| 6126 |
SUBTITLE_CODEC_TO_CONFIGURATION_BOX[trackData.track.source._codec](trackData) |
| 6127 |
]); |
| 6128 |
var vttC = (trackData) => box("vttC", [ |
| 6129 |
...textEncoder.encode(trackData.info.config.description) |
| 6130 |
]); |
| 6131 |
var stts = (trackData) => { |
| 6132 |
return fullBox("stts", 0, 0, [ |
| 6133 |
u32(trackData.timeToSampleTable.length), |
| 6134 |
// Number of entries |
| 6135 |
trackData.timeToSampleTable.map((x) => [ |
| 6136 |
u32(x.sampleCount), |
| 6137 |
// Sample count |
| 6138 |
u32(x.sampleDelta) |
| 6139 |
// Sample duration |
| 6140 |
]) |
| 6141 |
]); |
| 6142 |
}; |
| 6143 |
var stss = (trackData) => { |
| 6144 |
if (trackData.samples.every((x) => x.type === "key")) |
| 6145 |
return null; |
| 6146 |
const keySamples = [...trackData.samples.entries()].filter(([, sample]) => sample.type === "key"); |
| 6147 |
return fullBox("stss", 0, 0, [ |
| 6148 |
u32(keySamples.length), |
| 6149 |
// Number of entries |
| 6150 |
keySamples.map(([index]) => u32(index + 1)) |
| 6151 |
// Sync sample table |
| 6152 |
]); |
| 6153 |
}; |
| 6154 |
var stsc = (trackData) => { |
| 6155 |
return fullBox("stsc", 0, 0, [ |
| 6156 |
u32(trackData.compactlyCodedChunkTable.length), |
| 6157 |
// Number of entries |
| 6158 |
trackData.compactlyCodedChunkTable.map((x) => [ |
| 6159 |
u32(x.firstChunk), |
| 6160 |
// First chunk |
| 6161 |
u32(x.samplesPerChunk), |
| 6162 |
// Samples per chunk |
| 6163 |
u32(1) |
| 6164 |
// Sample description index |
| 6165 |
]) |
| 6166 |
]); |
| 6167 |
}; |
| 6168 |
var stsz = (trackData) => { |
| 6169 |
if (trackData.type === "audio" && trackData.info.requiresPcmTransformation) { |
| 6170 |
const { sampleSize } = parsePcmCodec(trackData.track.source._codec); |
| 6171 |
return fullBox("stsz", 0, 0, [ |
| 6172 |
u32(sampleSize * trackData.info.numberOfChannels), |
| 6173 |
// Sample size |
| 6174 |
u32(trackData.samples.reduce((acc, x) => acc + intoTimescale(x.duration, trackData.timescale), 0)) |
| 6175 |
]); |
| 6176 |
} |
| 6177 |
return fullBox("stsz", 0, 0, [ |
| 6178 |
u32(0), |
| 6179 |
// Sample size (0 means non-constant size) |
| 6180 |
u32(trackData.samples.length), |
| 6181 |
// Number of entries |
| 6182 |
trackData.samples.map((x) => u32(x.size)) |
| 6183 |
// Sample size table |
| 6184 |
]); |
| 6185 |
}; |
| 6186 |
var stco = (trackData) => { |
| 6187 |
if (trackData.finalizedChunks.length > 0 && last(trackData.finalizedChunks).offset >= 2 ** 32) { |
| 6188 |
return fullBox("co64", 0, 0, [ |
| 6189 |
u32(trackData.finalizedChunks.length), |
| 6190 |
// Number of entries |
| 6191 |
trackData.finalizedChunks.map((x) => u64(x.offset)) |
| 6192 |
// Chunk offset table |
| 6193 |
]); |
| 6194 |
} |
| 6195 |
return fullBox("stco", 0, 0, [ |
| 6196 |
u32(trackData.finalizedChunks.length), |
| 6197 |
// Number of entries |
| 6198 |
trackData.finalizedChunks.map((x) => u32(x.offset)) |
| 6199 |
// Chunk offset table |
| 6200 |
]); |
| 6201 |
}; |
| 6202 |
var ctts = (trackData) => { |
| 6203 |
return fullBox("ctts", 1, 0, [ |
| 6204 |
u32(trackData.compositionTimeOffsetTable.length), |
| 6205 |
// Number of entries |
| 6206 |
trackData.compositionTimeOffsetTable.map((x) => [ |
| 6207 |
u32(x.sampleCount), |
| 6208 |
// Sample count |
| 6209 |
i32(x.sampleCompositionTimeOffset) |
| 6210 |
// Sample offset |
| 6211 |
]) |
| 6212 |
]); |
| 6213 |
}; |
| 6214 |
var cslg = (trackData) => { |
| 6215 |
let leastDecodeToDisplayDelta = Infinity; |
| 6216 |
let greatestDecodeToDisplayDelta = -Infinity; |
| 6217 |
let compositionStartTime = Infinity; |
| 6218 |
let compositionEndTime = -Infinity; |
| 6219 |
assert(trackData.compositionTimeOffsetTable.length > 0); |
| 6220 |
assert(trackData.samples.length > 0); |
| 6221 |
for (let i2 = 0; i2 < trackData.compositionTimeOffsetTable.length; i2++) { |
| 6222 |
const entry = trackData.compositionTimeOffsetTable[i2]; |
| 6223 |
leastDecodeToDisplayDelta = Math.min(leastDecodeToDisplayDelta, entry.sampleCompositionTimeOffset); |
| 6224 |
greatestDecodeToDisplayDelta = Math.max(greatestDecodeToDisplayDelta, entry.sampleCompositionTimeOffset); |
| 6225 |
} |
| 6226 |
for (let i2 = 0; i2 < trackData.samples.length; i2++) { |
| 6227 |
const sample = trackData.samples[i2]; |
| 6228 |
compositionStartTime = Math.min(compositionStartTime, intoTimescale(sample.timestamp, trackData.timescale)); |
| 6229 |
compositionEndTime = Math.max(compositionEndTime, intoTimescale(sample.timestamp + sample.duration, trackData.timescale)); |
| 6230 |
} |
| 6231 |
const compositionToDtsShift = Math.max(-leastDecodeToDisplayDelta, 0); |
| 6232 |
if (compositionEndTime >= 2 ** 31) { |
| 6233 |
return null; |
| 6234 |
} |
| 6235 |
return fullBox("cslg", 0, 0, [ |
| 6236 |
i32(compositionToDtsShift), |
| 6237 |
// Composition to DTS shift |
| 6238 |
i32(leastDecodeToDisplayDelta), |
| 6239 |
// Least decode to display delta |
| 6240 |
i32(greatestDecodeToDisplayDelta), |
| 6241 |
// Greatest decode to display delta |
| 6242 |
i32(compositionStartTime), |
| 6243 |
// Composition start time |
| 6244 |
i32(compositionEndTime) |
| 6245 |
// Composition end time |
| 6246 |
]); |
| 6247 |
}; |
| 6248 |
var mvex = (trackDatas) => { |
| 6249 |
return box("mvex", void 0, trackDatas.map(trex)); |
| 6250 |
}; |
| 6251 |
var trex = (trackData) => { |
| 6252 |
return fullBox("trex", 0, 0, [ |
| 6253 |
u32(trackData.track.id), |
| 6254 |
// Track ID |
| 6255 |
u32(1), |
| 6256 |
// Default sample description index |
| 6257 |
u32(0), |
| 6258 |
// Default sample duration |
| 6259 |
u32(0), |
| 6260 |
// Default sample size |
| 6261 |
u32(0) |
| 6262 |
// Default sample flags |
| 6263 |
]); |
| 6264 |
}; |
| 6265 |
var moof = (sequenceNumber, trackDatas) => { |
| 6266 |
return box("moof", void 0, [ |
| 6267 |
mfhd(sequenceNumber), |
| 6268 |
...trackDatas.map(traf) |
| 6269 |
]); |
| 6270 |
}; |
| 6271 |
var mfhd = (sequenceNumber) => { |
| 6272 |
return fullBox("mfhd", 0, 0, [ |
| 6273 |
u32(sequenceNumber) |
| 6274 |
// Sequence number |
| 6275 |
]); |
| 6276 |
}; |
| 6277 |
var fragmentSampleFlags = (sample) => { |
| 6278 |
let byte1 = 0; |
| 6279 |
let byte2 = 0; |
| 6280 |
const byte3 = 0; |
| 6281 |
const byte4 = 0; |
| 6282 |
const sampleIsDifferenceSample = sample.type === "delta"; |
| 6283 |
byte2 |= +sampleIsDifferenceSample; |
| 6284 |
if (sampleIsDifferenceSample) { |
| 6285 |
byte1 |= 1; |
| 6286 |
} else { |
| 6287 |
byte1 |= 2; |
| 6288 |
} |
| 6289 |
return byte1 << 24 | byte2 << 16 | byte3 << 8 | byte4; |
| 6290 |
}; |
| 6291 |
var traf = (trackData) => { |
| 6292 |
return box("traf", void 0, [ |
| 6293 |
tfhd(trackData), |
| 6294 |
tfdt(trackData), |
| 6295 |
trun(trackData) |
| 6296 |
]); |
| 6297 |
}; |
| 6298 |
var tfhd = (trackData) => { |
| 6299 |
assert(trackData.currentChunk); |
| 6300 |
let tfFlags = 0; |
| 6301 |
tfFlags |= 8; |
| 6302 |
tfFlags |= 16; |
| 6303 |
tfFlags |= 32; |
| 6304 |
tfFlags |= 131072; |
| 6305 |
const referenceSample = trackData.currentChunk.samples[1] ?? trackData.currentChunk.samples[0]; |
| 6306 |
const referenceSampleInfo = { |
| 6307 |
duration: referenceSample.timescaleUnitsToNextSample, |
| 6308 |
size: referenceSample.size, |
| 6309 |
flags: fragmentSampleFlags(referenceSample) |
| 6310 |
}; |
| 6311 |
return fullBox("tfhd", 0, tfFlags, [ |
| 6312 |
u32(trackData.track.id), |
| 6313 |
// Track ID |
| 6314 |
u32(referenceSampleInfo.duration), |
| 6315 |
// Default sample duration |
| 6316 |
u32(referenceSampleInfo.size), |
| 6317 |
// Default sample size |
| 6318 |
u32(referenceSampleInfo.flags) |
| 6319 |
// Default sample flags |
| 6320 |
]); |
| 6321 |
}; |
| 6322 |
var tfdt = (trackData) => { |
| 6323 |
assert(trackData.currentChunk); |
| 6324 |
return fullBox("tfdt", 1, 0, [ |
| 6325 |
u64(intoTimescale(trackData.currentChunk.startTimestamp, trackData.timescale)) |
| 6326 |
// Base Media Decode Time |
| 6327 |
]); |
| 6328 |
}; |
| 6329 |
var trun = (trackData) => { |
| 6330 |
assert(trackData.currentChunk); |
| 6331 |
const allSampleDurations = trackData.currentChunk.samples.map((x) => x.timescaleUnitsToNextSample); |
| 6332 |
const allSampleSizes = trackData.currentChunk.samples.map((x) => x.size); |
| 6333 |
const allSampleFlags = trackData.currentChunk.samples.map(fragmentSampleFlags); |
| 6334 |
const allSampleCompositionTimeOffsets = trackData.currentChunk.samples.map((x) => intoTimescale(x.timestamp - x.decodeTimestamp, trackData.timescale)); |
| 6335 |
const uniqueSampleDurations = new Set(allSampleDurations); |
| 6336 |
const uniqueSampleSizes = new Set(allSampleSizes); |
| 6337 |
const uniqueSampleFlags = new Set(allSampleFlags); |
| 6338 |
const uniqueSampleCompositionTimeOffsets = new Set(allSampleCompositionTimeOffsets); |
| 6339 |
const firstSampleFlagsPresent = uniqueSampleFlags.size === 2 && allSampleFlags[0] !== allSampleFlags[1]; |
| 6340 |
const sampleDurationPresent = uniqueSampleDurations.size > 1; |
| 6341 |
const sampleSizePresent = uniqueSampleSizes.size > 1; |
| 6342 |
const sampleFlagsPresent = !firstSampleFlagsPresent && uniqueSampleFlags.size > 1; |
| 6343 |
const sampleCompositionTimeOffsetsPresent = uniqueSampleCompositionTimeOffsets.size > 1 || [...uniqueSampleCompositionTimeOffsets].some((x) => x !== 0); |
| 6344 |
let flags = 0; |
| 6345 |
flags |= 1; |
| 6346 |
flags |= 4 * +firstSampleFlagsPresent; |
| 6347 |
flags |= 256 * +sampleDurationPresent; |
| 6348 |
flags |= 512 * +sampleSizePresent; |
| 6349 |
flags |= 1024 * +sampleFlagsPresent; |
| 6350 |
flags |= 2048 * +sampleCompositionTimeOffsetsPresent; |
| 6351 |
return fullBox("trun", 1, flags, [ |
| 6352 |
u32(trackData.currentChunk.samples.length), |
| 6353 |
// Sample count |
| 6354 |
u32(trackData.currentChunk.offset - trackData.currentChunk.moofOffset || 0), |
| 6355 |
// Data offset |
| 6356 |
firstSampleFlagsPresent ? u32(allSampleFlags[0]) : [], |
| 6357 |
trackData.currentChunk.samples.map((_2, i2) => [ |
| 6358 |
sampleDurationPresent ? u32(allSampleDurations[i2]) : [], |
| 6359 |
// Sample duration |
| 6360 |
sampleSizePresent ? u32(allSampleSizes[i2]) : [], |
| 6361 |
// Sample size |
| 6362 |
sampleFlagsPresent ? u32(allSampleFlags[i2]) : [], |
| 6363 |
// Sample flags |
| 6364 |
// Sample composition time offsets |
| 6365 |
sampleCompositionTimeOffsetsPresent ? i32(allSampleCompositionTimeOffsets[i2]) : [] |
| 6366 |
]) |
| 6367 |
]); |
| 6368 |
}; |
| 6369 |
var mfra = (trackDatas) => { |
| 6370 |
return box("mfra", void 0, [ |
| 6371 |
...trackDatas.map(tfra), |
| 6372 |
mfro() |
| 6373 |
]); |
| 6374 |
}; |
| 6375 |
var tfra = (trackData, trackIndex) => { |
| 6376 |
const version = 1; |
| 6377 |
return fullBox("tfra", version, 0, [ |
| 6378 |
u32(trackData.track.id), |
| 6379 |
// Track ID |
| 6380 |
u32(63), |
| 6381 |
// This specifies that traf number, trun number and sample number are 32-bit ints |
| 6382 |
u32(trackData.finalizedChunks.length), |
| 6383 |
// Number of entries |
| 6384 |
trackData.finalizedChunks.map((chunk) => [ |
| 6385 |
u64(intoTimescale(chunk.samples[0].timestamp, trackData.timescale)), |
| 6386 |
// Time (in presentation time) |
| 6387 |
u64(chunk.moofOffset), |
| 6388 |
// moof offset |
| 6389 |
u32(trackIndex + 1), |
| 6390 |
// traf number |
| 6391 |
u32(1), |
| 6392 |
// trun number |
| 6393 |
u32(1) |
| 6394 |
// Sample number |
| 6395 |
]) |
| 6396 |
]); |
| 6397 |
}; |
| 6398 |
var mfro = () => { |
| 6399 |
return fullBox("mfro", 0, 0, [ |
| 6400 |
// This value needs to be overwritten manually from the outside, where the actual size of the enclosing mfra box |
| 6401 |
// is known |
| 6402 |
u32(0) |
| 6403 |
// Size |
| 6404 |
]); |
| 6405 |
}; |
| 6406 |
var vtte = () => box("vtte"); |
| 6407 |
var vttc = (payload, timestamp, identifier, settings, sourceId) => box("vttc", void 0, [ |
| 6408 |
sourceId !== null ? box("vsid", [i32(sourceId)]) : null, |
| 6409 |
identifier !== null ? box("iden", [...textEncoder.encode(identifier)]) : null, |
| 6410 |
timestamp !== null ? box("ctim", [...textEncoder.encode(formatSubtitleTimestamp(timestamp))]) : null, |
| 6411 |
settings !== null ? box("sttg", [...textEncoder.encode(settings)]) : null, |
| 6412 |
box("payl", [...textEncoder.encode(payload)]) |
| 6413 |
]); |
| 6414 |
var vtta = (notes) => box("vtta", [...textEncoder.encode(notes)]); |
| 6415 |
var udta = (muxer) => { |
| 6416 |
const boxes = []; |
| 6417 |
const metadataFormat = muxer.format._options.metadataFormat ?? "auto"; |
| 6418 |
const metadataTags = muxer.output._metadataTags; |
| 6419 |
if (metadataFormat === "mdir" || metadataFormat === "auto" && !muxer.isQuickTime) { |
| 6420 |
const metaBox = metaMdir(metadataTags); |
| 6421 |
if (metaBox) |
| 6422 |
boxes.push(metaBox); |
| 6423 |
} else if (metadataFormat === "mdta") { |
| 6424 |
const metaBox = metaMdta(metadataTags); |
| 6425 |
if (metaBox) |
| 6426 |
boxes.push(metaBox); |
| 6427 |
} else if (metadataFormat === "udta" || metadataFormat === "auto" && muxer.isQuickTime) { |
| 6428 |
addQuickTimeMetadataTagBoxes(boxes, muxer.output._metadataTags); |
| 6429 |
} |
| 6430 |
if (boxes.length === 0) { |
| 6431 |
return null; |
| 6432 |
} |
| 6433 |
return box("udta", void 0, boxes); |
| 6434 |
}; |
| 6435 |
var addQuickTimeMetadataTagBoxes = (boxes, tags) => { |
| 6436 |
for (const { key, value } of keyValueIterator(tags)) { |
| 6437 |
switch (key) { |
| 6438 |
case "title": |
| 6439 |
{ |
| 6440 |
boxes.push(metadataTagStringBoxShort("©nam", value)); |
| 6441 |
} |
| 6442 |
; |
| 6443 |
break; |
| 6444 |
case "description": |
| 6445 |
{ |
| 6446 |
boxes.push(metadataTagStringBoxShort("©des", value)); |
| 6447 |
} |
| 6448 |
; |
| 6449 |
break; |
| 6450 |
case "artist": |
| 6451 |
{ |
| 6452 |
boxes.push(metadataTagStringBoxShort("©ART", value)); |
| 6453 |
} |
| 6454 |
; |
| 6455 |
break; |
| 6456 |
case "album": |
| 6457 |
{ |
| 6458 |
boxes.push(metadataTagStringBoxShort("©alb", value)); |
| 6459 |
} |
| 6460 |
; |
| 6461 |
break; |
| 6462 |
case "albumArtist": |
| 6463 |
{ |
| 6464 |
boxes.push(metadataTagStringBoxShort("albr", value)); |
| 6465 |
} |
| 6466 |
; |
| 6467 |
break; |
| 6468 |
case "genre": |
| 6469 |
{ |
| 6470 |
boxes.push(metadataTagStringBoxShort("©gen", value)); |
| 6471 |
} |
| 6472 |
; |
| 6473 |
break; |
| 6474 |
case "date": |
| 6475 |
{ |
| 6476 |
boxes.push(metadataTagStringBoxShort("©day", value.toISOString().slice(0, 10))); |
| 6477 |
} |
| 6478 |
; |
| 6479 |
break; |
| 6480 |
case "comment": |
| 6481 |
{ |
| 6482 |
boxes.push(metadataTagStringBoxShort("©cmt", value)); |
| 6483 |
} |
| 6484 |
; |
| 6485 |
break; |
| 6486 |
case "lyrics": |
| 6487 |
{ |
| 6488 |
boxes.push(metadataTagStringBoxShort("©lyr", value)); |
| 6489 |
} |
| 6490 |
; |
| 6491 |
break; |
| 6492 |
case "raw": |
| 6493 |
{ |
| 6494 |
} |
| 6495 |
; |
| 6496 |
break; |
| 6497 |
case "discNumber": |
| 6498 |
case "discsTotal": |
| 6499 |
case "trackNumber": |
| 6500 |
case "tracksTotal": |
| 6501 |
case "images": |
| 6502 |
{ |
| 6503 |
} |
| 6504 |
; |
| 6505 |
break; |
| 6506 |
default: |
| 6507 |
assertNever(key); |
| 6508 |
} |
| 6509 |
} |
| 6510 |
if (tags.raw) { |
| 6511 |
for (const key in tags.raw) { |
| 6512 |
const value = tags.raw[key]; |
| 6513 |
if (value == null || key.length !== 4 || boxes.some((x) => x.type === key)) { |
| 6514 |
continue; |
| 6515 |
} |
| 6516 |
if (typeof value === "string") { |
| 6517 |
boxes.push(metadataTagStringBoxShort(key, value)); |
| 6518 |
} else if (value instanceof Uint8Array) { |
| 6519 |
boxes.push(box(key, Array.from(value))); |
| 6520 |
} |
| 6521 |
} |
| 6522 |
} |
| 6523 |
}; |
| 6524 |
var metadataTagStringBoxShort = (name, value) => { |
| 6525 |
const encoded = textEncoder.encode(value); |
| 6526 |
return box(name, [ |
| 6527 |
u16(encoded.length), |
| 6528 |
u16(getLanguageCodeInt("und")), |
| 6529 |
Array.from(encoded) |
| 6530 |
]); |
| 6531 |
}; |
| 6532 |
var DATA_BOX_MIME_TYPE_MAP = { |
| 6533 |
"image/jpeg": 13, |
| 6534 |
"image/png": 14, |
| 6535 |
"image/bmp": 27 |
| 6536 |
}; |
| 6537 |
var generateMetadataPairs = (tags, isMdta) => { |
| 6538 |
const pairs = []; |
| 6539 |
for (const { key, value } of keyValueIterator(tags)) { |
| 6540 |
switch (key) { |
| 6541 |
case "title": |
| 6542 |
{ |
| 6543 |
pairs.push({ key: isMdta ? "title" : "©nam", value: dataStringBoxLong(value) }); |
| 6544 |
} |
| 6545 |
; |
| 6546 |
break; |
| 6547 |
case "description": |
| 6548 |
{ |
| 6549 |
pairs.push({ key: isMdta ? "description" : "©des", value: dataStringBoxLong(value) }); |
| 6550 |
} |
| 6551 |
; |
| 6552 |
break; |
| 6553 |
case "artist": |
| 6554 |
{ |
| 6555 |
pairs.push({ key: isMdta ? "artist" : "©ART", value: dataStringBoxLong(value) }); |
| 6556 |
} |
| 6557 |
; |
| 6558 |
break; |
| 6559 |
case "album": |
| 6560 |
{ |
| 6561 |
pairs.push({ key: isMdta ? "album" : "©alb", value: dataStringBoxLong(value) }); |
| 6562 |
} |
| 6563 |
; |
| 6564 |
break; |
| 6565 |
case "albumArtist": |
| 6566 |
{ |
| 6567 |
pairs.push({ key: isMdta ? "album_artist" : "aART", value: dataStringBoxLong(value) }); |
| 6568 |
} |
| 6569 |
; |
| 6570 |
break; |
| 6571 |
case "comment": |
| 6572 |
{ |
| 6573 |
pairs.push({ key: isMdta ? "comment" : "©cmt", value: dataStringBoxLong(value) }); |
| 6574 |
} |
| 6575 |
; |
| 6576 |
break; |
| 6577 |
case "genre": |
| 6578 |
{ |
| 6579 |
pairs.push({ key: isMdta ? "genre" : "©gen", value: dataStringBoxLong(value) }); |
| 6580 |
} |
| 6581 |
; |
| 6582 |
break; |
| 6583 |
case "lyrics": |
| 6584 |
{ |
| 6585 |
pairs.push({ key: isMdta ? "lyrics" : "©lyr", value: dataStringBoxLong(value) }); |
| 6586 |
} |
| 6587 |
; |
| 6588 |
break; |
| 6589 |
case "date": |
| 6590 |
{ |
| 6591 |
pairs.push({ |
| 6592 |
key: isMdta ? "date" : "©day", |
| 6593 |
value: dataStringBoxLong(value.toISOString().slice(0, 10)) |
| 6594 |
}); |
| 6595 |
} |
| 6596 |
; |
| 6597 |
break; |
| 6598 |
case "images": |
| 6599 |
{ |
| 6600 |
for (const image of value) { |
| 6601 |
if (image.kind !== "coverFront") { |
| 6602 |
continue; |
| 6603 |
} |
| 6604 |
pairs.push({ key: "covr", value: box("data", [ |
| 6605 |
u32(DATA_BOX_MIME_TYPE_MAP[image.mimeType] ?? 0), |
| 6606 |
// Type indicator |
| 6607 |
u32(0), |
| 6608 |
// Locale indicator |
| 6609 |
Array.from(image.data) |
| 6610 |
// Kinda slow, hopefully temp |
| 6611 |
]) }); |
| 6612 |
} |
| 6613 |
} |
| 6614 |
; |
| 6615 |
break; |
| 6616 |
case "trackNumber": |
| 6617 |
{ |
| 6618 |
if (isMdta) { |
| 6619 |
const string = tags.tracksTotal !== void 0 ? \`\${value}/\${tags.tracksTotal}\` : value.toString(); |
| 6620 |
pairs.push({ key: "track", value: dataStringBoxLong(string) }); |
| 6621 |
} else { |
| 6622 |
pairs.push({ key: "trkn", value: box("data", [ |
| 6623 |
u32(0), |
| 6624 |
// 8 bytes empty |
| 6625 |
u32(0), |
| 6626 |
u16(0), |
| 6627 |
// Empty |
| 6628 |
u16(value), |
| 6629 |
u16(tags.tracksTotal ?? 0), |
| 6630 |
u16(0) |
| 6631 |
// Empty |
| 6632 |
]) }); |
| 6633 |
} |
| 6634 |
} |
| 6635 |
; |
| 6636 |
break; |
| 6637 |
case "discNumber": |
| 6638 |
{ |
| 6639 |
if (!isMdta) { |
| 6640 |
pairs.push({ key: "disc", value: box("data", [ |
| 6641 |
u32(0), |
| 6642 |
// 8 bytes empty |
| 6643 |
u32(0), |
| 6644 |
u16(0), |
| 6645 |
// Empty |
| 6646 |
u16(value), |
| 6647 |
u16(tags.discsTotal ?? 0), |
| 6648 |
u16(0) |
| 6649 |
// Empty |
| 6650 |
]) }); |
| 6651 |
} |
| 6652 |
} |
| 6653 |
; |
| 6654 |
break; |
| 6655 |
case "tracksTotal": |
| 6656 |
case "discsTotal": |
| 6657 |
{ |
| 6658 |
} |
| 6659 |
; |
| 6660 |
break; |
| 6661 |
case "raw": |
| 6662 |
{ |
| 6663 |
} |
| 6664 |
; |
| 6665 |
break; |
| 6666 |
default: |
| 6667 |
assertNever(key); |
| 6668 |
} |
| 6669 |
} |
| 6670 |
if (tags.raw) { |
| 6671 |
for (const key in tags.raw) { |
| 6672 |
const value = tags.raw[key]; |
| 6673 |
if (value == null || !isMdta && key.length !== 4 || pairs.some((x) => x.key === key)) { |
| 6674 |
continue; |
| 6675 |
} |
| 6676 |
if (typeof value === "string") { |
| 6677 |
pairs.push({ key, value: dataStringBoxLong(value) }); |
| 6678 |
} else if (value instanceof Uint8Array) { |
| 6679 |
pairs.push({ key, value: box("data", [ |
| 6680 |
u32(0), |
| 6681 |
// Type indicator |
| 6682 |
u32(0), |
| 6683 |
// Locale indicator |
| 6684 |
Array.from(value) |
| 6685 |
]) }); |
| 6686 |
} else if (value instanceof RichImageData) { |
| 6687 |
pairs.push({ key, value: box("data", [ |
| 6688 |
u32(DATA_BOX_MIME_TYPE_MAP[value.mimeType] ?? 0), |
| 6689 |
// Type indicator |
| 6690 |
u32(0), |
| 6691 |
// Locale indicator |
| 6692 |
Array.from(value.data) |
| 6693 |
// Kinda slow, hopefully temp |
| 6694 |
]) }); |
| 6695 |
} |
| 6696 |
} |
| 6697 |
} |
| 6698 |
return pairs; |
| 6699 |
}; |
| 6700 |
var metaMdir = (tags) => { |
| 6701 |
const pairs = generateMetadataPairs(tags, false); |
| 6702 |
if (pairs.length === 0) { |
| 6703 |
return null; |
| 6704 |
} |
| 6705 |
return fullBox("meta", 0, 0, void 0, [ |
| 6706 |
hdlr(false, "mdir", "", "appl"), |
| 6707 |
// mdir handler |
| 6708 |
box("ilst", void 0, pairs.map((pair) => box(pair.key, void 0, [pair.value]))) |
| 6709 |
// Item list without keys box |
| 6710 |
]); |
| 6711 |
}; |
| 6712 |
var metaMdta = (tags) => { |
| 6713 |
const pairs = generateMetadataPairs(tags, true); |
| 6714 |
if (pairs.length === 0) { |
| 6715 |
return null; |
| 6716 |
} |
| 6717 |
return box("meta", void 0, [ |
| 6718 |
hdlr(false, "mdta", ""), |
| 6719 |
// mdta handler |
| 6720 |
fullBox("keys", 0, 0, [ |
| 6721 |
u32(pairs.length) |
| 6722 |
], pairs.map((pair) => box("mdta", [ |
| 6723 |
...textEncoder.encode(pair.key) |
| 6724 |
]))), |
| 6725 |
box("ilst", void 0, pairs.map((pair, i2) => { |
| 6726 |
const boxName = String.fromCharCode(...u32(i2 + 1)); |
| 6727 |
return box(boxName, void 0, [pair.value]); |
| 6728 |
})) |
| 6729 |
]); |
| 6730 |
}; |
| 6731 |
var dataStringBoxLong = (value) => { |
| 6732 |
return box("data", [ |
| 6733 |
u32(1), |
| 6734 |
// Type indicator (UTF-8) |
| 6735 |
u32(0), |
| 6736 |
// Locale indicator |
| 6737 |
...textEncoder.encode(value) |
| 6738 |
]); |
| 6739 |
}; |
| 6740 |
var videoCodecToBoxName = (codec, fullCodecString) => { |
| 6741 |
switch (codec) { |
| 6742 |
case "avc": |
| 6743 |
return fullCodecString.startsWith("avc3") ? "avc3" : "avc1"; |
| 6744 |
case "hevc": |
| 6745 |
return "hvc1"; |
| 6746 |
case "vp8": |
| 6747 |
return "vp08"; |
| 6748 |
case "vp9": |
| 6749 |
return "vp09"; |
| 6750 |
case "av1": |
| 6751 |
return "av01"; |
| 6752 |
} |
| 6753 |
}; |
| 6754 |
var VIDEO_CODEC_TO_CONFIGURATION_BOX = { |
| 6755 |
avc: avcC, |
| 6756 |
hevc: hvcC, |
| 6757 |
vp8: vpcC, |
| 6758 |
vp9: vpcC, |
| 6759 |
av1: av1C |
| 6760 |
}; |
| 6761 |
var audioCodecToBoxName = (codec, isQuickTime) => { |
| 6762 |
switch (codec) { |
| 6763 |
case "aac": |
| 6764 |
return "mp4a"; |
| 6765 |
case "mp3": |
| 6766 |
return "mp4a"; |
| 6767 |
case "opus": |
| 6768 |
return "Opus"; |
| 6769 |
case "vorbis": |
| 6770 |
return "mp4a"; |
| 6771 |
case "flac": |
| 6772 |
return "fLaC"; |
| 6773 |
case "ulaw": |
| 6774 |
return "ulaw"; |
| 6775 |
case "alaw": |
| 6776 |
return "alaw"; |
| 6777 |
case "pcm-u8": |
| 6778 |
return "raw "; |
| 6779 |
case "pcm-s8": |
| 6780 |
return "sowt"; |
| 6781 |
case "ac3": |
| 6782 |
return "ac-3"; |
| 6783 |
case "eac3": |
| 6784 |
return "ec-3"; |
| 6785 |
} |
| 6786 |
if (isQuickTime) { |
| 6787 |
switch (codec) { |
| 6788 |
case "pcm-s16": |
| 6789 |
return "sowt"; |
| 6790 |
case "pcm-s16be": |
| 6791 |
return "twos"; |
| 6792 |
case "pcm-s24": |
| 6793 |
return "in24"; |
| 6794 |
case "pcm-s24be": |
| 6795 |
return "in24"; |
| 6796 |
case "pcm-s32": |
| 6797 |
return "in32"; |
| 6798 |
case "pcm-s32be": |
| 6799 |
return "in32"; |
| 6800 |
case "pcm-f32": |
| 6801 |
return "fl32"; |
| 6802 |
case "pcm-f32be": |
| 6803 |
return "fl32"; |
| 6804 |
case "pcm-f64": |
| 6805 |
return "fl64"; |
| 6806 |
case "pcm-f64be": |
| 6807 |
return "fl64"; |
| 6808 |
} |
| 6809 |
} else { |
| 6810 |
switch (codec) { |
| 6811 |
case "pcm-s16": |
| 6812 |
return "ipcm"; |
| 6813 |
case "pcm-s16be": |
| 6814 |
return "ipcm"; |
| 6815 |
case "pcm-s24": |
| 6816 |
return "ipcm"; |
| 6817 |
case "pcm-s24be": |
| 6818 |
return "ipcm"; |
| 6819 |
case "pcm-s32": |
| 6820 |
return "ipcm"; |
| 6821 |
case "pcm-s32be": |
| 6822 |
return "ipcm"; |
| 6823 |
case "pcm-f32": |
| 6824 |
return "fpcm"; |
| 6825 |
case "pcm-f32be": |
| 6826 |
return "fpcm"; |
| 6827 |
case "pcm-f64": |
| 6828 |
return "fpcm"; |
| 6829 |
case "pcm-f64be": |
| 6830 |
return "fpcm"; |
| 6831 |
} |
| 6832 |
} |
| 6833 |
}; |
| 6834 |
var audioCodecToConfigurationBox = (codec, isQuickTime) => { |
| 6835 |
switch (codec) { |
| 6836 |
case "aac": |
| 6837 |
return esds; |
| 6838 |
case "mp3": |
| 6839 |
return esds; |
| 6840 |
case "opus": |
| 6841 |
return dOps; |
| 6842 |
case "vorbis": |
| 6843 |
return esds; |
| 6844 |
case "flac": |
| 6845 |
return dfLa; |
| 6846 |
case "ac3": |
| 6847 |
return dac3; |
| 6848 |
case "eac3": |
| 6849 |
return dec3; |
| 6850 |
} |
| 6851 |
if (isQuickTime) { |
| 6852 |
switch (codec) { |
| 6853 |
case "pcm-s24": |
| 6854 |
return wave; |
| 6855 |
case "pcm-s24be": |
| 6856 |
return wave; |
| 6857 |
case "pcm-s32": |
| 6858 |
return wave; |
| 6859 |
case "pcm-s32be": |
| 6860 |
return wave; |
| 6861 |
case "pcm-f32": |
| 6862 |
return wave; |
| 6863 |
case "pcm-f32be": |
| 6864 |
return wave; |
| 6865 |
case "pcm-f64": |
| 6866 |
return wave; |
| 6867 |
case "pcm-f64be": |
| 6868 |
return wave; |
| 6869 |
} |
| 6870 |
} else { |
| 6871 |
switch (codec) { |
| 6872 |
case "pcm-s16": |
| 6873 |
return pcmC; |
| 6874 |
case "pcm-s16be": |
| 6875 |
return pcmC; |
| 6876 |
case "pcm-s24": |
| 6877 |
return pcmC; |
| 6878 |
case "pcm-s24be": |
| 6879 |
return pcmC; |
| 6880 |
case "pcm-s32": |
| 6881 |
return pcmC; |
| 6882 |
case "pcm-s32be": |
| 6883 |
return pcmC; |
| 6884 |
case "pcm-f32": |
| 6885 |
return pcmC; |
| 6886 |
case "pcm-f32be": |
| 6887 |
return pcmC; |
| 6888 |
case "pcm-f64": |
| 6889 |
return pcmC; |
| 6890 |
case "pcm-f64be": |
| 6891 |
return pcmC; |
| 6892 |
} |
| 6893 |
} |
| 6894 |
return null; |
| 6895 |
}; |
| 6896 |
var SUBTITLE_CODEC_TO_BOX_NAME = { |
| 6897 |
webvtt: "wvtt" |
| 6898 |
}; |
| 6899 |
var SUBTITLE_CODEC_TO_CONFIGURATION_BOX = { |
| 6900 |
webvtt: vttC |
| 6901 |
}; |
| 6902 |
var getLanguageCodeInt = (code) => { |
| 6903 |
assert(code.length === 3); |
| 6904 |
; |
| 6905 |
let language = 0; |
| 6906 |
for (let i2 = 0; i2 < 3; i2++) { |
| 6907 |
language <<= 5; |
| 6908 |
language += code.charCodeAt(i2) - 96; |
| 6909 |
} |
| 6910 |
return language; |
| 6911 |
}; |
| 6912 |
|
| 6913 |
// node_modules/mediabunny/dist/modules/src/writer.js |
| 6914 |
var Writer = class { |
| 6915 |
constructor(target, isMonotonic) { |
| 6916 |
this.finalized = false; |
| 6917 |
this.started = false; |
| 6918 |
this.pos = 0; |
| 6919 |
this.trackedWrites = null; |
| 6920 |
this.trackedStart = -1; |
| 6921 |
this.trackedEnd = -1; |
| 6922 |
if (target._writerAcquired) { |
| 6923 |
throw new Error("Can't have multiple Writers for the same Target."); |
| 6924 |
} |
| 6925 |
this.target = target; |
| 6926 |
target._setMonotonicity(isMonotonic); |
| 6927 |
target._writerAcquired = true; |
| 6928 |
} |
| 6929 |
start() { |
| 6930 |
assert(!this.started); |
| 6931 |
this.target._start(); |
| 6932 |
this.started = true; |
| 6933 |
} |
| 6934 |
/** Writes the given data to the target, at the current position. */ |
| 6935 |
write(data) { |
| 6936 |
assert(this.started && !this.finalized); |
| 6937 |
this.maybeTrackWrites(data); |
| 6938 |
this.target._write(data, this.pos); |
| 6939 |
this.pos += data.byteLength; |
| 6940 |
} |
| 6941 |
/** Sets the current position for future writes to a new one. */ |
| 6942 |
seek(newPos) { |
| 6943 |
this.pos = newPos; |
| 6944 |
} |
| 6945 |
/** Returns the current position. */ |
| 6946 |
getPos() { |
| 6947 |
return this.pos; |
| 6948 |
} |
| 6949 |
/** Signals to the writer that it may be time to flush. */ |
| 6950 |
async flush() { |
| 6951 |
assert(this.started && !this.finalized); |
| 6952 |
return this.target._flush(); |
| 6953 |
} |
| 6954 |
/** Called after muxing has finished. */ |
| 6955 |
async finalize() { |
| 6956 |
assert(this.started && !this.finalized); |
| 6957 |
await this.target._finalize(); |
| 6958 |
this.finalized = true; |
| 6959 |
} |
| 6960 |
maybeTrackWrites(data) { |
| 6961 |
if (!this.trackedWrites) { |
| 6962 |
return; |
| 6963 |
} |
| 6964 |
let pos = this.getPos(); |
| 6965 |
if (pos < this.trackedStart) { |
| 6966 |
if (pos + data.byteLength <= this.trackedStart) { |
| 6967 |
return; |
| 6968 |
} |
| 6969 |
data = data.subarray(this.trackedStart - pos); |
| 6970 |
pos = 0; |
| 6971 |
} |
| 6972 |
const neededSize = pos + data.byteLength - this.trackedStart; |
| 6973 |
let newLength = this.trackedWrites.byteLength; |
| 6974 |
while (newLength < neededSize) { |
| 6975 |
newLength *= 2; |
| 6976 |
} |
| 6977 |
if (newLength !== this.trackedWrites.byteLength) { |
| 6978 |
const copy = new Uint8Array(newLength); |
| 6979 |
copy.set(this.trackedWrites, 0); |
| 6980 |
this.trackedWrites = copy; |
| 6981 |
} |
| 6982 |
this.trackedWrites.set(data, pos - this.trackedStart); |
| 6983 |
this.trackedEnd = Math.max(this.trackedEnd, pos + data.byteLength); |
| 6984 |
} |
| 6985 |
startTrackingWrites() { |
| 6986 |
this.trackedWrites = new Uint8Array(2 ** 10); |
| 6987 |
this.trackedStart = this.getPos(); |
| 6988 |
this.trackedEnd = this.trackedStart; |
| 6989 |
} |
| 6990 |
stopTrackingWrites() { |
| 6991 |
if (!this.trackedWrites) { |
| 6992 |
throw new Error("Internal error: Can't get tracked writes since nothing was tracked."); |
| 6993 |
} |
| 6994 |
const slice = this.trackedWrites.subarray(0, this.trackedEnd - this.trackedStart); |
| 6995 |
const result = { |
| 6996 |
data: slice, |
| 6997 |
start: this.trackedStart, |
| 6998 |
end: this.trackedEnd |
| 6999 |
}; |
| 7000 |
this.trackedWrites = null; |
| 7001 |
return result; |
| 7002 |
} |
| 7003 |
}; |
| 7004 |
|
| 7005 |
// node_modules/mediabunny/dist/modules/src/target.js |
| 7006 |
var Target = class extends EventEmitter { |
| 7007 |
constructor() { |
| 7008 |
super(...arguments); |
| 7009 |
this._writerAcquired = false; |
| 7010 |
this._monotonicity = null; |
| 7011 |
this.onwrite = null; |
| 7012 |
} |
| 7013 |
/** @internal */ |
| 7014 |
_setMonotonicity(monotonicity) { |
| 7015 |
if (this._monotonicity !== false) { |
| 7016 |
this._monotonicity = monotonicity; |
| 7017 |
} else { |
| 7018 |
} |
| 7019 |
} |
| 7020 |
/** @internal */ |
| 7021 |
_dispatchWrite(start, end) { |
| 7022 |
this.onwrite?.(start, end); |
| 7023 |
this._emit("write", { start, end }); |
| 7024 |
} |
| 7025 |
/** |
| 7026 |
* Returns a new {@link RangedTarget} that writes data to this target using the given offset. |
| 7027 |
* |
| 7028 |
* Useful for writing a file into a section of a larger file. |
| 7029 |
*/ |
| 7030 |
slice(offset) { |
| 7031 |
if (!Number.isInteger(offset) || offset < 0) { |
| 7032 |
throw new TypeError("offset must be a non-negative integer."); |
| 7033 |
} |
| 7034 |
return new RangedTarget(this, offset); |
| 7035 |
} |
| 7036 |
}; |
| 7037 |
var ARRAY_BUFFER_INITIAL_SIZE = 2 ** 16; |
| 7038 |
var ARRAY_BUFFER_MAX_SIZE = 2 ** 32; |
| 7039 |
var BufferTarget = class extends Target { |
| 7040 |
/** Creates a new {@link BufferTarget}. The buffer holding the data will be created and managed internally. */ |
| 7041 |
constructor(options = {}) { |
| 7042 |
super(); |
| 7043 |
this.buffer = null; |
| 7044 |
this._maxPos = 0; |
| 7045 |
if (!options || typeof options !== "object") { |
| 7046 |
throw new TypeError("BufferTarget options, when provided, must be an object."); |
| 7047 |
} |
| 7048 |
if (options.onFinalize !== void 0 && typeof options.onFinalize !== "function") { |
| 7049 |
throw new TypeError("options.onFinalize, when provided, must be a function."); |
| 7050 |
} |
| 7051 |
this._options = options; |
| 7052 |
this._supportsResize = "resize" in new ArrayBuffer(0); |
| 7053 |
if (this._supportsResize) { |
| 7054 |
try { |
| 7055 |
this._buffer = new ArrayBuffer(ARRAY_BUFFER_INITIAL_SIZE, { maxByteLength: ARRAY_BUFFER_MAX_SIZE }); |
| 7056 |
} catch { |
| 7057 |
this._buffer = new ArrayBuffer(ARRAY_BUFFER_INITIAL_SIZE); |
| 7058 |
this._supportsResize = false; |
| 7059 |
} |
| 7060 |
} else { |
| 7061 |
this._buffer = new ArrayBuffer(ARRAY_BUFFER_INITIAL_SIZE); |
| 7062 |
} |
| 7063 |
this._bytes = new Uint8Array(this._buffer); |
| 7064 |
} |
| 7065 |
/** @internal */ |
| 7066 |
_ensureSize(size) { |
| 7067 |
let newLength = this._buffer.byteLength; |
| 7068 |
while (newLength < size) |
| 7069 |
newLength *= 2; |
| 7070 |
if (newLength === this._buffer.byteLength) |
| 7071 |
return; |
| 7072 |
if (newLength > ARRAY_BUFFER_MAX_SIZE) { |
| 7073 |
throw new Error(\`ArrayBuffer exceeded maximum size of \${ARRAY_BUFFER_MAX_SIZE} bytes. Please consider using another target.\`); |
| 7074 |
} |
| 7075 |
if (this._supportsResize) { |
| 7076 |
this._buffer.resize(newLength); |
| 7077 |
} else { |
| 7078 |
const newBuffer = new ArrayBuffer(newLength); |
| 7079 |
const newBytes = new Uint8Array(newBuffer); |
| 7080 |
newBytes.set(this._bytes, 0); |
| 7081 |
this._buffer = newBuffer; |
| 7082 |
this._bytes = newBytes; |
| 7083 |
} |
| 7084 |
} |
| 7085 |
/** @internal */ |
| 7086 |
_start() { |
| 7087 |
} |
| 7088 |
/** @internal */ |
| 7089 |
_write(data, pos) { |
| 7090 |
this._ensureSize(pos + data.byteLength); |
| 7091 |
this._bytes.set(data, pos); |
| 7092 |
this._maxPos = Math.max(this._maxPos, pos + data.byteLength); |
| 7093 |
this._dispatchWrite(pos, pos + data.byteLength); |
| 7094 |
} |
| 7095 |
/** @internal */ |
| 7096 |
async _flush() { |
| 7097 |
} |
| 7098 |
/** @internal */ |
| 7099 |
async _finalize() { |
| 7100 |
this.buffer = this._buffer.slice(0, this._maxPos); |
| 7101 |
if (this._options.onFinalize) { |
| 7102 |
await this._options.onFinalize(this.buffer); |
| 7103 |
} |
| 7104 |
this._emit("finalized"); |
| 7105 |
} |
| 7106 |
/** @internal */ |
| 7107 |
async _close() { |
| 7108 |
} |
| 7109 |
/** @internal */ |
| 7110 |
_getSlice(start, end) { |
| 7111 |
return this._bytes.slice(start, end); |
| 7112 |
} |
| 7113 |
}; |
| 7114 |
var DEFAULT_CHUNK_SIZE = 2 ** 24; |
| 7115 |
var RangedTarget = class extends Target { |
| 7116 |
/** @internal */ |
| 7117 |
constructor(baseTarget, offset) { |
| 7118 |
super(); |
| 7119 |
this._baseTarget = baseTarget; |
| 7120 |
this._offset = offset; |
| 7121 |
} |
| 7122 |
/** @internal */ |
| 7123 |
_start() { |
| 7124 |
} |
| 7125 |
/** @internal */ |
| 7126 |
_write(data, pos) { |
| 7127 |
this._baseTarget._write(data, this._offset + pos); |
| 7128 |
this._dispatchWrite(pos, pos + data.byteLength); |
| 7129 |
} |
| 7130 |
/** @internal */ |
| 7131 |
_flush() { |
| 7132 |
return this._baseTarget._flush(); |
| 7133 |
} |
| 7134 |
/** @internal */ |
| 7135 |
async _finalize() { |
| 7136 |
this._emit("finalized"); |
| 7137 |
} |
| 7138 |
/** @internal */ |
| 7139 |
async _close() { |
| 7140 |
} |
| 7141 |
/** @internal */ |
| 7142 |
_setMonotonicity(monotonicity) { |
| 7143 |
super._setMonotonicity(monotonicity); |
| 7144 |
this._baseTarget._setMonotonicity(monotonicity); |
| 7145 |
} |
| 7146 |
}; |
| 7147 |
var PathedTarget = class { |
| 7148 |
/** Creates a new {@link PathedTarget} from a root path and a callback. */ |
| 7149 |
constructor(rootPath, getTarget) { |
| 7150 |
this.rootPath = rootPath; |
| 7151 |
this.getTarget = getTarget; |
| 7152 |
if (typeof rootPath !== "string") { |
| 7153 |
throw new TypeError("rootPath must be a string."); |
| 7154 |
} |
| 7155 |
if (typeof getTarget !== "function") { |
| 7156 |
throw new TypeError("getTarget must be a function."); |
| 7157 |
} |
| 7158 |
} |
| 7159 |
}; |
| 7160 |
|
| 7161 |
// node_modules/mediabunny/dist/modules/src/isobmff/isobmff-muxer.js |
| 7162 |
var GLOBAL_TIMESCALE = 57600; |
| 7163 |
var TIMESTAMP_OFFSET = 2082844800; |
| 7164 |
var getTrackMetadata = (trackData) => { |
| 7165 |
const metadata = {}; |
| 7166 |
const track = trackData.track; |
| 7167 |
if (track.metadata.name !== void 0) { |
| 7168 |
metadata.name = track.metadata.name; |
| 7169 |
} |
| 7170 |
return metadata; |
| 7171 |
}; |
| 7172 |
var intoTimescale = (timeInSeconds, timescale, round = true) => { |
| 7173 |
const value = timeInSeconds * timescale; |
| 7174 |
return round ? Math.round(value) : value; |
| 7175 |
}; |
| 7176 |
var IsobmffMuxer = class extends Muxer { |
| 7177 |
constructor(output, format) { |
| 7178 |
super(output); |
| 7179 |
this.writer = null; |
| 7180 |
this.boxWriter = null; |
| 7181 |
this.initWriter = null; |
| 7182 |
this.initBoxWriter = null; |
| 7183 |
this.auxTarget = new BufferTarget(); |
| 7184 |
this.auxWriter = new Writer(this.auxTarget, false); |
| 7185 |
this.auxBoxWriter = new IsobmffBoxWriter(this.auxWriter); |
| 7186 |
this.mdat = null; |
| 7187 |
this.ftypSize = null; |
| 7188 |
this.trackDatas = []; |
| 7189 |
this.allTracksKnown = promiseWithResolvers(); |
| 7190 |
this.creationTime = Math.floor(Date.now() / 1e3) + TIMESTAMP_OFFSET; |
| 7191 |
this.finalizedChunks = []; |
| 7192 |
this.nextFragmentNumber = 1; |
| 7193 |
this.maxWrittenTimestamp = -Infinity; |
| 7194 |
this.minWrittenTimestamp = Infinity; |
| 7195 |
this.maxWrittenEndTimestamp = -Infinity; |
| 7196 |
this.segmentHeaderSize = null; |
| 7197 |
this.format = format; |
| 7198 |
this.isQuickTime = format instanceof MovOutputFormat; |
| 7199 |
this.isCmaf = format instanceof CmafOutputFormat; |
| 7200 |
this.minimumFragmentDuration = format._options.minimumFragmentDuration ?? (format instanceof CmafOutputFormat ? Infinity : 1); |
| 7201 |
} |
| 7202 |
async start() { |
| 7203 |
const release = await this.mutex.acquire(); |
| 7204 |
if (!this.isCmaf) { |
| 7205 |
this.writer = await this.output._getRootWriter((target) => this.format._options.fastStart !== void 0 ? this.format._options.fastStart === "fragmented" : target instanceof BufferTarget); |
| 7206 |
this.boxWriter = new IsobmffBoxWriter(this.writer); |
| 7207 |
this.fastStart = this.format._options.fastStart ?? (this.writer.target instanceof BufferTarget ? "in-memory" : false); |
| 7208 |
this.isFragmented = this.fastStart === "fragmented"; |
| 7209 |
} else { |
| 7210 |
this.fastStart = "fragmented"; |
| 7211 |
this.isFragmented = true; |
| 7212 |
} |
| 7213 |
if (this.isCmaf) { |
| 7214 |
if (!this.output._hasInitTarget()) { |
| 7215 |
throw new Error(\`CMAF outputs require the initTarget field in OutputOptions to be set; the init segment will be written to it.\`); |
| 7216 |
} |
| 7217 |
const initTarget = await this.output._getInitTarget(); |
| 7218 |
const initWriter = new Writer(initTarget, true); |
| 7219 |
initWriter.start(); |
| 7220 |
this.initWriter = initWriter; |
| 7221 |
this.initBoxWriter = new IsobmffBoxWriter(initWriter); |
| 7222 |
} |
| 7223 |
const holdsAvc = this.output._tracks.some((x) => x.isVideoTrack() && x.source._codec === "avc"); |
| 7224 |
{ |
| 7225 |
const boxWriter = this.initBoxWriter ?? this.boxWriter; |
| 7226 |
assert(boxWriter); |
| 7227 |
if (this.format._options.onFtyp) { |
| 7228 |
boxWriter.writer.startTrackingWrites(); |
| 7229 |
} |
| 7230 |
boxWriter.writeBox(ftyp({ |
| 7231 |
isQuickTime: this.isQuickTime, |
| 7232 |
holdsAvc, |
| 7233 |
fragmented: this.isFragmented, |
| 7234 |
cmaf: this.isCmaf |
| 7235 |
})); |
| 7236 |
if (this.format._options.onFtyp) { |
| 7237 |
const { data, start } = boxWriter.writer.stopTrackingWrites(); |
| 7238 |
this.format._options.onFtyp(data, start); |
| 7239 |
} |
| 7240 |
this.ftypSize = boxWriter.writer.getPos(); |
| 7241 |
if (this.isCmaf) { |
| 7242 |
await this.initWriter.flush(); |
| 7243 |
} |
| 7244 |
} |
| 7245 |
if (this.fastStart === "in-memory") { |
| 7246 |
} else if (this.fastStart === "reserve") { |
| 7247 |
for (const track of this.output._tracks) { |
| 7248 |
if (track.metadata.maximumPacketCount === void 0) { |
| 7249 |
throw new Error("All tracks must specify maximumPacketCount in their metadata when using fastStart: 'reserve'."); |
| 7250 |
} |
| 7251 |
} |
| 7252 |
} else if (this.isFragmented) { |
| 7253 |
} else { |
| 7254 |
assert(this.writer); |
| 7255 |
assert(this.boxWriter); |
| 7256 |
if (this.format._options.onMdat) { |
| 7257 |
this.writer.startTrackingWrites(); |
| 7258 |
} |
| 7259 |
this.mdat = mdat(true); |
| 7260 |
this.boxWriter.writeBox(this.mdat); |
| 7261 |
} |
| 7262 |
await this.writer?.flush(); |
| 7263 |
release(); |
| 7264 |
} |
| 7265 |
allTracksAreKnown() { |
| 7266 |
for (const track of this.output._tracks) { |
| 7267 |
if (!track.source._closed && !this.trackDatas.some((x) => x.track === track)) { |
| 7268 |
return false; |
| 7269 |
} |
| 7270 |
} |
| 7271 |
return true; |
| 7272 |
} |
| 7273 |
async getMimeType() { |
| 7274 |
await this.allTracksKnown.promise; |
| 7275 |
const codecStrings = this.trackDatas.map((trackData) => { |
| 7276 |
if (trackData.type === "video") { |
| 7277 |
return trackData.info.decoderConfig.codec; |
| 7278 |
} else if (trackData.type === "audio") { |
| 7279 |
return trackData.info.decoderConfig.codec; |
| 7280 |
} else { |
| 7281 |
const map = { |
| 7282 |
webvtt: "wvtt" |
| 7283 |
}; |
| 7284 |
return map[trackData.track.source._codec]; |
| 7285 |
} |
| 7286 |
}); |
| 7287 |
return buildIsobmffMimeType({ |
| 7288 |
isQuickTime: this.isQuickTime, |
| 7289 |
hasVideo: this.trackDatas.some((x) => x.type === "video"), |
| 7290 |
hasAudio: this.trackDatas.some((x) => x.type === "audio"), |
| 7291 |
codecStrings |
| 7292 |
}); |
| 7293 |
} |
| 7294 |
getVideoTrackData(track, packet, meta) { |
| 7295 |
const existingTrackData = this.trackDatas.find((x) => x.track === track); |
| 7296 |
if (existingTrackData) { |
| 7297 |
return existingTrackData; |
| 7298 |
} |
| 7299 |
validateVideoChunkMetadata(meta); |
| 7300 |
assert(meta); |
| 7301 |
assert(meta.decoderConfig); |
| 7302 |
const decoderConfig = { ...meta.decoderConfig }; |
| 7303 |
assert(decoderConfig.codedWidth !== void 0); |
| 7304 |
assert(decoderConfig.codedHeight !== void 0); |
| 7305 |
let requiresAnnexBTransformation = false; |
| 7306 |
if (track.source._codec === "avc" && !decoderConfig.description) { |
| 7307 |
const decoderConfigurationRecord = extractAvcDecoderConfigurationRecord(packet.data); |
| 7308 |
if (!decoderConfigurationRecord) { |
| 7309 |
throw new Error("Couldn't extract an AVCDecoderConfigurationRecord from the AVC packet. Make sure the packets are in Annex B format (as specified in ITU-T-REC-H.264) when not providing a description, or provide a description (must be an AVCDecoderConfigurationRecord as specified in ISO 14496-15) and ensure the packets are in AVCC format."); |
| 7310 |
} |
| 7311 |
decoderConfig.description = serializeAvcDecoderConfigurationRecord(decoderConfigurationRecord); |
| 7312 |
requiresAnnexBTransformation = true; |
| 7313 |
} else if (track.source._codec === "hevc" && !decoderConfig.description) { |
| 7314 |
const decoderConfigurationRecord = extractHevcDecoderConfigurationRecord(packet.data); |
| 7315 |
if (!decoderConfigurationRecord) { |
| 7316 |
throw new Error("Couldn't extract an HEVCDecoderConfigurationRecord from the HEVC packet. Make sure the packets are in Annex B format (as specified in ITU-T-REC-H.265) when not providing a description, or provide a description (must be an HEVCDecoderConfigurationRecord as specified in ISO 14496-15) and ensure the packets are in HEVC format."); |
| 7317 |
} |
| 7318 |
decoderConfig.description = serializeHevcDecoderConfigurationRecord(decoderConfigurationRecord); |
| 7319 |
requiresAnnexBTransformation = true; |
| 7320 |
} |
| 7321 |
const timescale = computeRationalApproximation(1 / (track.metadata.frameRate ?? GLOBAL_TIMESCALE), 1e6).den; |
| 7322 |
const displayAspectWidth = decoderConfig.displayAspectWidth; |
| 7323 |
const displayAspectHeight = decoderConfig.displayAspectHeight; |
| 7324 |
const pixelAspectRatio = displayAspectWidth === void 0 || displayAspectHeight === void 0 ? { num: 1, den: 1 } : simplifyRational({ |
| 7325 |
num: displayAspectWidth * decoderConfig.codedHeight, |
| 7326 |
den: displayAspectHeight * decoderConfig.codedWidth |
| 7327 |
}); |
| 7328 |
const newTrackData = { |
| 7329 |
muxer: this, |
| 7330 |
track, |
| 7331 |
type: "video", |
| 7332 |
info: { |
| 7333 |
width: decoderConfig.codedWidth, |
| 7334 |
height: decoderConfig.codedHeight, |
| 7335 |
pixelAspectRatio, |
| 7336 |
decoderConfig, |
| 7337 |
requiresAnnexBTransformation |
| 7338 |
}, |
| 7339 |
timescale, |
| 7340 |
samples: [], |
| 7341 |
sampleQueue: [], |
| 7342 |
timestampProcessingQueue: [], |
| 7343 |
timeToSampleTable: [], |
| 7344 |
compositionTimeOffsetTable: [], |
| 7345 |
lastTimescaleUnits: null, |
| 7346 |
lastSample: null, |
| 7347 |
startTimestampOffset: null, |
| 7348 |
finalizedChunks: [], |
| 7349 |
currentChunk: null, |
| 7350 |
compactlyCodedChunkTable: [], |
| 7351 |
closed: false |
| 7352 |
}; |
| 7353 |
this.trackDatas.push(newTrackData); |
| 7354 |
this.trackDatas.sort((a2, b) => a2.track.id - b.track.id); |
| 7355 |
if (this.allTracksAreKnown()) { |
| 7356 |
this.allTracksKnown.resolve(); |
| 7357 |
} |
| 7358 |
return newTrackData; |
| 7359 |
} |
| 7360 |
getAudioTrackData(track, packet, meta) { |
| 7361 |
const existingTrackData = this.trackDatas.find((x) => x.track === track); |
| 7362 |
if (existingTrackData) { |
| 7363 |
return existingTrackData; |
| 7364 |
} |
| 7365 |
validateAudioChunkMetadata(meta); |
| 7366 |
assert(meta); |
| 7367 |
assert(meta.decoderConfig); |
| 7368 |
const decoderConfig = { ...meta.decoderConfig }; |
| 7369 |
let requiresAdtsStripping = false; |
| 7370 |
if (track.source._codec === "aac" && !decoderConfig.description) { |
| 7371 |
const adtsFrame = readAdtsFrameHeader(FileSlice.tempFromBytes(packet.data)); |
| 7372 |
if (!adtsFrame) { |
| 7373 |
throw new Error("Couldn't parse ADTS header from the AAC packet. Make sure the packets are in ADTS format (as specified in ISO 13818-7) when not providing a description, or provide a description (must be an AudioSpecificConfig as specified in ISO 14496-3) and ensure the packets are raw AAC data."); |
| 7374 |
} |
| 7375 |
const sampleRate = aacFrequencyTable[adtsFrame.samplingFrequencyIndex]; |
| 7376 |
const numberOfChannels = aacChannelMap[adtsFrame.channelConfiguration]; |
| 7377 |
if (sampleRate === void 0 || numberOfChannels === void 0) { |
| 7378 |
throw new Error("Invalid ADTS frame header."); |
| 7379 |
} |
| 7380 |
decoderConfig.description = buildAacAudioSpecificConfig({ |
| 7381 |
objectType: adtsFrame.objectType, |
| 7382 |
sampleRate, |
| 7383 |
numberOfChannels |
| 7384 |
}); |
| 7385 |
requiresAdtsStripping = true; |
| 7386 |
} |
| 7387 |
const newTrackData = { |
| 7388 |
muxer: this, |
| 7389 |
track, |
| 7390 |
type: "audio", |
| 7391 |
info: { |
| 7392 |
numberOfChannels: meta.decoderConfig.numberOfChannels, |
| 7393 |
sampleRate: meta.decoderConfig.sampleRate, |
| 7394 |
decoderConfig, |
| 7395 |
requiresPcmTransformation: !this.isFragmented && PCM_AUDIO_CODECS.includes(track.source._codec), |
| 7396 |
expectedNextPcmPacketTimestamp: null, |
| 7397 |
requiresAdtsStripping, |
| 7398 |
firstPacket: packet |
| 7399 |
}, |
| 7400 |
timescale: decoderConfig.sampleRate, |
| 7401 |
samples: [], |
| 7402 |
sampleQueue: [], |
| 7403 |
timestampProcessingQueue: [], |
| 7404 |
timeToSampleTable: [], |
| 7405 |
compositionTimeOffsetTable: [], |
| 7406 |
lastTimescaleUnits: null, |
| 7407 |
lastSample: null, |
| 7408 |
startTimestampOffset: null, |
| 7409 |
finalizedChunks: [], |
| 7410 |
currentChunk: null, |
| 7411 |
compactlyCodedChunkTable: [], |
| 7412 |
closed: false |
| 7413 |
}; |
| 7414 |
this.trackDatas.push(newTrackData); |
| 7415 |
this.trackDatas.sort((a2, b) => a2.track.id - b.track.id); |
| 7416 |
if (this.allTracksAreKnown()) { |
| 7417 |
this.allTracksKnown.resolve(); |
| 7418 |
} |
| 7419 |
return newTrackData; |
| 7420 |
} |
| 7421 |
getSubtitleTrackData(track, meta) { |
| 7422 |
const existingTrackData = this.trackDatas.find((x) => x.track === track); |
| 7423 |
if (existingTrackData) { |
| 7424 |
return existingTrackData; |
| 7425 |
} |
| 7426 |
validateSubtitleMetadata(meta); |
| 7427 |
assert(meta); |
| 7428 |
assert(meta.config); |
| 7429 |
const newTrackData = { |
| 7430 |
muxer: this, |
| 7431 |
track, |
| 7432 |
type: "subtitle", |
| 7433 |
info: { |
| 7434 |
config: meta.config |
| 7435 |
}, |
| 7436 |
timescale: 1e3, |
| 7437 |
// Reasonable |
| 7438 |
samples: [], |
| 7439 |
sampleQueue: [], |
| 7440 |
timestampProcessingQueue: [], |
| 7441 |
timeToSampleTable: [], |
| 7442 |
compositionTimeOffsetTable: [], |
| 7443 |
lastTimescaleUnits: null, |
| 7444 |
lastSample: null, |
| 7445 |
startTimestampOffset: null, |
| 7446 |
finalizedChunks: [], |
| 7447 |
currentChunk: null, |
| 7448 |
compactlyCodedChunkTable: [], |
| 7449 |
closed: false, |
| 7450 |
lastCueEndTimestamp: 0, |
| 7451 |
cueQueue: [], |
| 7452 |
nextSourceId: 0, |
| 7453 |
cueToSourceId: /* @__PURE__ */ new WeakMap() |
| 7454 |
}; |
| 7455 |
this.trackDatas.push(newTrackData); |
| 7456 |
this.trackDatas.sort((a2, b) => a2.track.id - b.track.id); |
| 7457 |
if (this.allTracksAreKnown()) { |
| 7458 |
this.allTracksKnown.resolve(); |
| 7459 |
} |
| 7460 |
return newTrackData; |
| 7461 |
} |
| 7462 |
async addEncodedVideoPacket(track, packet, meta) { |
| 7463 |
const release = await this.mutex.acquire(); |
| 7464 |
try { |
| 7465 |
const trackData = this.getVideoTrackData(track, packet, meta); |
| 7466 |
let packetData = packet.data; |
| 7467 |
if (trackData.info.requiresAnnexBTransformation) { |
| 7468 |
const nalUnits = [...iterateNalUnitsInAnnexB(packetData)].map((loc) => packetData.subarray(loc.offset, loc.offset + loc.length)); |
| 7469 |
if (nalUnits.length === 0) { |
| 7470 |
throw new Error("Failed to transform packet data. Make sure all packets are provided in Annex B format, as specified in ITU-T-REC-H.264 and ITU-T-REC-H.265."); |
| 7471 |
} |
| 7472 |
packetData = concatNalUnitsInLengthPrefixed(nalUnits, 4); |
| 7473 |
} |
| 7474 |
this.validateTimestamp(trackData.track, packet.timestamp, packet.type === "key"); |
| 7475 |
const internalSample = this.createSampleForTrack(trackData, packetData, packet.timestamp, packet.duration, packet.type); |
| 7476 |
await this.registerSample(trackData, internalSample); |
| 7477 |
} finally { |
| 7478 |
release(); |
| 7479 |
} |
| 7480 |
} |
| 7481 |
async addEncodedAudioPacket(track, packet, meta) { |
| 7482 |
const release = await this.mutex.acquire(); |
| 7483 |
try { |
| 7484 |
const trackData = this.getAudioTrackData(track, packet, meta); |
| 7485 |
let packetData = packet.data; |
| 7486 |
if (trackData.info.requiresAdtsStripping) { |
| 7487 |
const adtsFrame = readAdtsFrameHeader(FileSlice.tempFromBytes(packetData)); |
| 7488 |
if (!adtsFrame) { |
| 7489 |
throw new Error("Expected ADTS frame, didn't get one."); |
| 7490 |
} |
| 7491 |
const headerLength = adtsFrame.crcCheck === null ? MIN_ADTS_FRAME_HEADER_SIZE : MAX_ADTS_FRAME_HEADER_SIZE; |
| 7492 |
packetData = packetData.subarray(headerLength); |
| 7493 |
} |
| 7494 |
this.validateTimestamp(trackData.track, packet.timestamp, packet.type === "key"); |
| 7495 |
let timestamp = packet.timestamp; |
| 7496 |
let duration = packet.duration; |
| 7497 |
if (trackData.info.requiresPcmTransformation) { |
| 7498 |
const pcmInfo = parsePcmCodec(trackData.info.decoderConfig.codec); |
| 7499 |
const frameSize = pcmInfo.sampleSize * trackData.info.numberOfChannels; |
| 7500 |
duration = packetData.byteLength / frameSize / trackData.info.sampleRate; |
| 7501 |
if (trackData.info.expectedNextPcmPacketTimestamp !== null) { |
| 7502 |
const diff = timestamp - trackData.info.expectedNextPcmPacketTimestamp; |
| 7503 |
if (diff < 0.01) { |
| 7504 |
timestamp = trackData.info.expectedNextPcmPacketTimestamp; |
| 7505 |
} else { |
| 7506 |
const paddedDuration = await this.padWithSilence(trackData, trackData.info.expectedNextPcmPacketTimestamp, diff); |
| 7507 |
timestamp = trackData.info.expectedNextPcmPacketTimestamp + paddedDuration; |
| 7508 |
} |
| 7509 |
} |
| 7510 |
trackData.info.expectedNextPcmPacketTimestamp = timestamp + duration; |
| 7511 |
} |
| 7512 |
const internalSample = this.createSampleForTrack(trackData, packetData, timestamp, duration, packet.type); |
| 7513 |
await this.registerSample(trackData, internalSample); |
| 7514 |
} finally { |
| 7515 |
release(); |
| 7516 |
} |
| 7517 |
} |
| 7518 |
async padWithSilence(trackData, timestamp, duration) { |
| 7519 |
const deltaInTimescale = intoTimescale(duration, trackData.timescale); |
| 7520 |
duration = deltaInTimescale / trackData.timescale; |
| 7521 |
if (deltaInTimescale > 0) { |
| 7522 |
const { sampleSize, silentValue } = parsePcmCodec(trackData.info.decoderConfig.codec); |
| 7523 |
const samplesNeeded = deltaInTimescale * trackData.info.numberOfChannels; |
| 7524 |
const data = new Uint8Array(sampleSize * samplesNeeded).fill(silentValue); |
| 7525 |
const paddingSample = this.createSampleForTrack(trackData, new Uint8Array(data.buffer), timestamp, duration, "key"); |
| 7526 |
await this.registerSample(trackData, paddingSample); |
| 7527 |
} |
| 7528 |
return duration; |
| 7529 |
} |
| 7530 |
async addSubtitleCue(track, cue, meta) { |
| 7531 |
const release = await this.mutex.acquire(); |
| 7532 |
try { |
| 7533 |
const trackData = this.getSubtitleTrackData(track, meta); |
| 7534 |
this.validateTimestamp(trackData.track, cue.timestamp, true); |
| 7535 |
if (track.source._codec === "webvtt") { |
| 7536 |
trackData.cueQueue.push(cue); |
| 7537 |
await this.processWebVTTCues(trackData, cue.timestamp); |
| 7538 |
} else { |
| 7539 |
} |
| 7540 |
} finally { |
| 7541 |
release(); |
| 7542 |
} |
| 7543 |
} |
| 7544 |
async processWebVTTCues(trackData, until) { |
| 7545 |
while (trackData.cueQueue.length > 0) { |
| 7546 |
const timestamps = /* @__PURE__ */ new Set([]); |
| 7547 |
for (const cue of trackData.cueQueue) { |
| 7548 |
assert(cue.timestamp <= until); |
| 7549 |
assert(trackData.lastCueEndTimestamp <= cue.timestamp + cue.duration); |
| 7550 |
timestamps.add(Math.max(cue.timestamp, trackData.lastCueEndTimestamp)); |
| 7551 |
timestamps.add(cue.timestamp + cue.duration); |
| 7552 |
} |
| 7553 |
const sortedTimestamps = [...timestamps].sort((a2, b) => a2 - b); |
| 7554 |
const sampleStart = sortedTimestamps[0]; |
| 7555 |
const sampleEnd = sortedTimestamps[1] ?? sampleStart; |
| 7556 |
if (until < sampleEnd) { |
| 7557 |
break; |
| 7558 |
} |
| 7559 |
if (trackData.lastCueEndTimestamp < sampleStart) { |
| 7560 |
this.auxWriter.seek(0); |
| 7561 |
const box2 = vtte(); |
| 7562 |
this.auxBoxWriter.writeBox(box2); |
| 7563 |
const body2 = this.auxTarget._getSlice(0, this.auxWriter.getPos()); |
| 7564 |
const sample2 = this.createSampleForTrack(trackData, body2, trackData.lastCueEndTimestamp, sampleStart - trackData.lastCueEndTimestamp, "key"); |
| 7565 |
await this.registerSample(trackData, sample2); |
| 7566 |
trackData.lastCueEndTimestamp = sampleStart; |
| 7567 |
} |
| 7568 |
this.auxWriter.seek(0); |
| 7569 |
for (let i2 = 0; i2 < trackData.cueQueue.length; i2++) { |
| 7570 |
const cue = trackData.cueQueue[i2]; |
| 7571 |
if (cue.timestamp >= sampleEnd) { |
| 7572 |
break; |
| 7573 |
} |
| 7574 |
inlineTimestampRegex.lastIndex = 0; |
| 7575 |
const containsTimestamp = inlineTimestampRegex.test(cue.text); |
| 7576 |
const endTimestamp = cue.timestamp + cue.duration; |
| 7577 |
let sourceId = trackData.cueToSourceId.get(cue); |
| 7578 |
if (sourceId === void 0 && sampleEnd < endTimestamp) { |
| 7579 |
sourceId = trackData.nextSourceId++; |
| 7580 |
trackData.cueToSourceId.set(cue, sourceId); |
| 7581 |
} |
| 7582 |
if (cue.notes) { |
| 7583 |
const box3 = vtta(cue.notes); |
| 7584 |
this.auxBoxWriter.writeBox(box3); |
| 7585 |
} |
| 7586 |
const box2 = vttc(cue.text, containsTimestamp ? sampleStart : null, cue.identifier ?? null, cue.settings ?? null, sourceId ?? null); |
| 7587 |
this.auxBoxWriter.writeBox(box2); |
| 7588 |
if (endTimestamp === sampleEnd) { |
| 7589 |
trackData.cueQueue.splice(i2--, 1); |
| 7590 |
} |
| 7591 |
} |
| 7592 |
const body = this.auxTarget._getSlice(0, this.auxWriter.getPos()); |
| 7593 |
const sample = this.createSampleForTrack(trackData, body, sampleStart, sampleEnd - sampleStart, "key"); |
| 7594 |
await this.registerSample(trackData, sample); |
| 7595 |
trackData.lastCueEndTimestamp = sampleEnd; |
| 7596 |
} |
| 7597 |
} |
| 7598 |
createSampleForTrack(trackData, data, timestamp, duration, type) { |
| 7599 |
const sample = { |
| 7600 |
timestamp, |
| 7601 |
decodeTimestamp: timestamp, |
| 7602 |
// This may be refined later |
| 7603 |
duration, |
| 7604 |
data, |
| 7605 |
size: data.byteLength, |
| 7606 |
type, |
| 7607 |
timescaleUnitsToNextSample: intoTimescale(duration, trackData.timescale) |
| 7608 |
// Will be refined |
| 7609 |
}; |
| 7610 |
return sample; |
| 7611 |
} |
| 7612 |
processTimestamps(trackData, nextSample) { |
| 7613 |
if (trackData.timestampProcessingQueue.length === 0) { |
| 7614 |
return; |
| 7615 |
} |
| 7616 |
if (trackData.type === "audio" && trackData.info.requiresPcmTransformation) { |
| 7617 |
if (!this.isFragmented) { |
| 7618 |
trackData.startTimestampOffset ??= trackData.timestampProcessingQueue[0].timestamp; |
| 7619 |
} |
| 7620 |
let totalDuration = 0; |
| 7621 |
for (let i2 = 0; i2 < trackData.timestampProcessingQueue.length; i2++) { |
| 7622 |
const sample = trackData.timestampProcessingQueue[i2]; |
| 7623 |
const duration = intoTimescale(sample.duration, trackData.timescale); |
| 7624 |
totalDuration += duration; |
| 7625 |
} |
| 7626 |
if (trackData.timeToSampleTable.length === 0) { |
| 7627 |
trackData.timeToSampleTable.push({ |
| 7628 |
sampleCount: totalDuration, |
| 7629 |
sampleDelta: 1 |
| 7630 |
}); |
| 7631 |
} else { |
| 7632 |
const lastEntry = last(trackData.timeToSampleTable); |
| 7633 |
lastEntry.sampleCount += totalDuration; |
| 7634 |
} |
| 7635 |
trackData.timestampProcessingQueue.length = 0; |
| 7636 |
return; |
| 7637 |
} |
| 7638 |
const sortedTimestamps = trackData.timestampProcessingQueue.map((x) => x.timestamp).sort((a2, b) => a2 - b); |
| 7639 |
if (!this.isFragmented) { |
| 7640 |
trackData.startTimestampOffset ??= sortedTimestamps[0]; |
| 7641 |
} |
| 7642 |
for (let i2 = 0; i2 < trackData.timestampProcessingQueue.length; i2++) { |
| 7643 |
const sample = trackData.timestampProcessingQueue[i2]; |
| 7644 |
sample.decodeTimestamp = sortedTimestamps[i2]; |
| 7645 |
const sampleCompositionTimeOffset = intoTimescale(sample.timestamp - sample.decodeTimestamp, trackData.timescale); |
| 7646 |
const durationInTimescale = intoTimescale(sample.duration, trackData.timescale); |
| 7647 |
if (trackData.lastTimescaleUnits !== null) { |
| 7648 |
assert(trackData.lastSample); |
| 7649 |
const timescaleUnits = intoTimescale(sample.decodeTimestamp, trackData.timescale, false); |
| 7650 |
const delta = Math.round(timescaleUnits - trackData.lastTimescaleUnits); |
| 7651 |
assert(delta >= 0); |
| 7652 |
trackData.lastTimescaleUnits += delta; |
| 7653 |
trackData.lastSample.timescaleUnitsToNextSample = delta; |
| 7654 |
if (!this.isFragmented) { |
| 7655 |
let lastTableEntry = last(trackData.timeToSampleTable); |
| 7656 |
assert(lastTableEntry); |
| 7657 |
if (lastTableEntry.sampleCount === 1) { |
| 7658 |
lastTableEntry.sampleDelta = delta; |
| 7659 |
const entryBefore = trackData.timeToSampleTable[trackData.timeToSampleTable.length - 2]; |
| 7660 |
if (entryBefore && entryBefore.sampleDelta === delta) { |
| 7661 |
entryBefore.sampleCount++; |
| 7662 |
trackData.timeToSampleTable.pop(); |
| 7663 |
lastTableEntry = entryBefore; |
| 7664 |
} |
| 7665 |
} else if (lastTableEntry.sampleDelta !== delta) { |
| 7666 |
lastTableEntry.sampleCount--; |
| 7667 |
trackData.timeToSampleTable.push(lastTableEntry = { |
| 7668 |
sampleCount: 1, |
| 7669 |
sampleDelta: delta |
| 7670 |
}); |
| 7671 |
} |
| 7672 |
if (lastTableEntry.sampleDelta === durationInTimescale) { |
| 7673 |
lastTableEntry.sampleCount++; |
| 7674 |
} else { |
| 7675 |
trackData.timeToSampleTable.push({ |
| 7676 |
sampleCount: 1, |
| 7677 |
sampleDelta: durationInTimescale |
| 7678 |
}); |
| 7679 |
} |
| 7680 |
const lastCompositionTimeOffsetTableEntry = last(trackData.compositionTimeOffsetTable); |
| 7681 |
assert(lastCompositionTimeOffsetTableEntry); |
| 7682 |
if (lastCompositionTimeOffsetTableEntry.sampleCompositionTimeOffset === sampleCompositionTimeOffset) { |
| 7683 |
lastCompositionTimeOffsetTableEntry.sampleCount++; |
| 7684 |
} else { |
| 7685 |
trackData.compositionTimeOffsetTable.push({ |
| 7686 |
sampleCount: 1, |
| 7687 |
sampleCompositionTimeOffset |
| 7688 |
}); |
| 7689 |
} |
| 7690 |
} |
| 7691 |
} else { |
| 7692 |
trackData.lastTimescaleUnits = intoTimescale(sample.decodeTimestamp, trackData.timescale, false); |
| 7693 |
if (!this.isFragmented) { |
| 7694 |
trackData.timeToSampleTable.push({ |
| 7695 |
sampleCount: 1, |
| 7696 |
sampleDelta: durationInTimescale |
| 7697 |
}); |
| 7698 |
trackData.compositionTimeOffsetTable.push({ |
| 7699 |
sampleCount: 1, |
| 7700 |
sampleCompositionTimeOffset |
| 7701 |
}); |
| 7702 |
} |
| 7703 |
} |
| 7704 |
trackData.lastSample = sample; |
| 7705 |
} |
| 7706 |
trackData.timestampProcessingQueue.length = 0; |
| 7707 |
assert(trackData.lastSample); |
| 7708 |
assert(trackData.lastTimescaleUnits !== null); |
| 7709 |
if (nextSample !== void 0 && trackData.lastSample.timescaleUnitsToNextSample === 0) { |
| 7710 |
assert(nextSample.type === "key"); |
| 7711 |
const timescaleUnits = intoTimescale(nextSample.timestamp, trackData.timescale, false); |
| 7712 |
const delta = Math.round(timescaleUnits - trackData.lastTimescaleUnits); |
| 7713 |
trackData.lastSample.timescaleUnitsToNextSample = delta; |
| 7714 |
} |
| 7715 |
} |
| 7716 |
async registerSample(trackData, sample) { |
| 7717 |
if (sample.type === "key") { |
| 7718 |
this.processTimestamps(trackData, sample); |
| 7719 |
} |
| 7720 |
trackData.timestampProcessingQueue.push(sample); |
| 7721 |
if (this.isFragmented) { |
| 7722 |
trackData.sampleQueue.push(sample); |
| 7723 |
await this.interleaveSamples(); |
| 7724 |
} else if (this.fastStart === "reserve") { |
| 7725 |
await this.registerSampleFastStartReserve(trackData, sample); |
| 7726 |
} else { |
| 7727 |
await this.addSampleToTrack(trackData, sample); |
| 7728 |
} |
| 7729 |
} |
| 7730 |
async addSampleToTrack(trackData, sample) { |
| 7731 |
if (!this.isFragmented) { |
| 7732 |
trackData.samples.push(sample); |
| 7733 |
if (this.fastStart === "reserve") { |
| 7734 |
const maximumPacketCount = trackData.track.metadata.maximumPacketCount; |
| 7735 |
assert(maximumPacketCount !== void 0); |
| 7736 |
if (trackData.samples.length > maximumPacketCount) { |
| 7737 |
throw new Error(\`Track #\${trackData.track.id} has already reached the maximum packet count (\${maximumPacketCount}). Either add less packets or increase the maximum packet count.\`); |
| 7738 |
} |
| 7739 |
} |
| 7740 |
} |
| 7741 |
let beginNewChunk = false; |
| 7742 |
if (!trackData.currentChunk) { |
| 7743 |
beginNewChunk = true; |
| 7744 |
} else { |
| 7745 |
trackData.currentChunk.startTimestamp = Math.min(trackData.currentChunk.startTimestamp, sample.timestamp); |
| 7746 |
const currentChunkDuration = sample.timestamp - trackData.currentChunk.startTimestamp; |
| 7747 |
if (this.isFragmented) { |
| 7748 |
const keyFrameQueuedEverywhere = this.trackDatas.every((otherTrackData) => { |
| 7749 |
if (trackData === otherTrackData) { |
| 7750 |
return sample.type === "key"; |
| 7751 |
} |
| 7752 |
const firstQueuedSample = otherTrackData.sampleQueue[0]; |
| 7753 |
if (firstQueuedSample) { |
| 7754 |
return firstQueuedSample.type === "key"; |
| 7755 |
} |
| 7756 |
return otherTrackData.closed; |
| 7757 |
}); |
| 7758 |
if (currentChunkDuration >= this.minimumFragmentDuration && keyFrameQueuedEverywhere && sample.timestamp > this.maxWrittenTimestamp) { |
| 7759 |
beginNewChunk = true; |
| 7760 |
await this.finalizeFragment(); |
| 7761 |
} |
| 7762 |
} else { |
| 7763 |
beginNewChunk = currentChunkDuration >= 0.5; |
| 7764 |
} |
| 7765 |
} |
| 7766 |
if (beginNewChunk) { |
| 7767 |
if (trackData.currentChunk) { |
| 7768 |
await this.finalizeCurrentChunk(trackData); |
| 7769 |
} |
| 7770 |
trackData.currentChunk = { |
| 7771 |
startTimestamp: sample.timestamp, |
| 7772 |
samples: [], |
| 7773 |
offset: null, |
| 7774 |
moofOffset: null |
| 7775 |
}; |
| 7776 |
} |
| 7777 |
assert(trackData.currentChunk); |
| 7778 |
trackData.currentChunk.samples.push(sample); |
| 7779 |
if (this.isFragmented) { |
| 7780 |
this.maxWrittenTimestamp = Math.max(this.maxWrittenTimestamp, sample.timestamp); |
| 7781 |
this.maxWrittenEndTimestamp = Math.max(this.maxWrittenEndTimestamp, sample.timestamp + sample.duration); |
| 7782 |
this.minWrittenTimestamp = Math.min(this.minWrittenTimestamp, sample.timestamp); |
| 7783 |
} |
| 7784 |
} |
| 7785 |
async finalizeCurrentChunk(trackData) { |
| 7786 |
assert(!this.isFragmented); |
| 7787 |
assert(this.writer); |
| 7788 |
if (!trackData.currentChunk) |
| 7789 |
return; |
| 7790 |
trackData.finalizedChunks.push(trackData.currentChunk); |
| 7791 |
this.finalizedChunks.push(trackData.currentChunk); |
| 7792 |
let sampleCount = trackData.currentChunk.samples.length; |
| 7793 |
if (trackData.type === "audio" && trackData.info.requiresPcmTransformation) { |
| 7794 |
sampleCount = trackData.currentChunk.samples.reduce((acc, sample) => acc + intoTimescale(sample.duration, trackData.timescale), 0); |
| 7795 |
} |
| 7796 |
if (trackData.compactlyCodedChunkTable.length === 0 || last(trackData.compactlyCodedChunkTable).samplesPerChunk !== sampleCount) { |
| 7797 |
trackData.compactlyCodedChunkTable.push({ |
| 7798 |
firstChunk: trackData.finalizedChunks.length, |
| 7799 |
// 1-indexed |
| 7800 |
samplesPerChunk: sampleCount |
| 7801 |
}); |
| 7802 |
} |
| 7803 |
if (this.fastStart === "in-memory") { |
| 7804 |
trackData.currentChunk.offset = 0; |
| 7805 |
return; |
| 7806 |
} |
| 7807 |
trackData.currentChunk.offset = this.writer.getPos(); |
| 7808 |
for (const sample of trackData.currentChunk.samples) { |
| 7809 |
assert(sample.data); |
| 7810 |
this.writer.write(sample.data); |
| 7811 |
sample.data = null; |
| 7812 |
} |
| 7813 |
await this.writer.flush(); |
| 7814 |
} |
| 7815 |
async interleaveSamples(isFinalCall = false) { |
| 7816 |
assert(this.isFragmented); |
| 7817 |
if (!isFinalCall && !this.allTracksAreKnown()) { |
| 7818 |
return; |
| 7819 |
} |
| 7820 |
outer: while (true) { |
| 7821 |
let trackWithMinTimestamp = null; |
| 7822 |
let minTimestamp = Infinity; |
| 7823 |
for (const trackData of this.trackDatas) { |
| 7824 |
if (!isFinalCall && trackData.sampleQueue.length === 0 && !trackData.closed) { |
| 7825 |
break outer; |
| 7826 |
} |
| 7827 |
if (trackData.sampleQueue.length > 0 && trackData.sampleQueue[0].timestamp < minTimestamp) { |
| 7828 |
trackWithMinTimestamp = trackData; |
| 7829 |
minTimestamp = trackData.sampleQueue[0].timestamp; |
| 7830 |
} |
| 7831 |
} |
| 7832 |
if (!trackWithMinTimestamp) { |
| 7833 |
break; |
| 7834 |
} |
| 7835 |
const sample = trackWithMinTimestamp.sampleQueue.shift(); |
| 7836 |
await this.addSampleToTrack(trackWithMinTimestamp, sample); |
| 7837 |
} |
| 7838 |
} |
| 7839 |
async finalizeFragment(flushWriter = !this.isCmaf) { |
| 7840 |
assert(this.isFragmented); |
| 7841 |
const fragmentNumber = this.nextFragmentNumber++; |
| 7842 |
if (fragmentNumber === 1) { |
| 7843 |
const boxWriter = this.initBoxWriter ?? this.boxWriter; |
| 7844 |
assert(boxWriter); |
| 7845 |
if (this.format._options.onMoov) { |
| 7846 |
boxWriter.writer.startTrackingWrites(); |
| 7847 |
} |
| 7848 |
this.ensureOneEnabledTrack(); |
| 7849 |
const movieBox = moov(this); |
| 7850 |
boxWriter.writeBox(movieBox); |
| 7851 |
if (this.format._options.onMoov) { |
| 7852 |
const { data, start } = boxWriter.writer.stopTrackingWrites(); |
| 7853 |
this.format._options.onMoov(data, start); |
| 7854 |
} |
| 7855 |
if (this.isCmaf) { |
| 7856 |
assert(this.initWriter); |
| 7857 |
await this.initWriter.flush(); |
| 7858 |
await this.initWriter.finalize(); |
| 7859 |
this.writer = await this.output._getRootWriter(true); |
| 7860 |
this.boxWriter = new IsobmffBoxWriter(this.writer); |
| 7861 |
const stypSize = this.boxWriter.measureBox(styp()); |
| 7862 |
const sidxSize = this.boxWriter.measureBox(sidx(this, 0)); |
| 7863 |
this.segmentHeaderSize = stypSize + sidxSize; |
| 7864 |
this.writer.seek(this.segmentHeaderSize); |
| 7865 |
} |
| 7866 |
} |
| 7867 |
assert(this.writer); |
| 7868 |
assert(this.boxWriter); |
| 7869 |
const tracksInFragment = this.trackDatas.filter((x) => x.currentChunk); |
| 7870 |
const moofBox = moof(fragmentNumber, tracksInFragment); |
| 7871 |
const moofOffset = this.writer.getPos(); |
| 7872 |
const mdatStartPos = moofOffset + this.boxWriter.measureBox(moofBox); |
| 7873 |
let currentPos = mdatStartPos + MIN_BOX_HEADER_SIZE; |
| 7874 |
let fragmentStartTimestamp = Infinity; |
| 7875 |
for (const trackData of tracksInFragment) { |
| 7876 |
trackData.currentChunk.offset = currentPos; |
| 7877 |
trackData.currentChunk.moofOffset = moofOffset; |
| 7878 |
for (const sample of trackData.currentChunk.samples) { |
| 7879 |
currentPos += sample.size; |
| 7880 |
} |
| 7881 |
fragmentStartTimestamp = Math.min(fragmentStartTimestamp, trackData.currentChunk.startTimestamp); |
| 7882 |
} |
| 7883 |
const mdatSize = currentPos - mdatStartPos; |
| 7884 |
const needsLargeMdatSize = mdatSize >= 2 ** 32; |
| 7885 |
if (needsLargeMdatSize) { |
| 7886 |
for (const trackData of tracksInFragment) { |
| 7887 |
trackData.currentChunk.offset += MAX_BOX_HEADER_SIZE - MIN_BOX_HEADER_SIZE; |
| 7888 |
} |
| 7889 |
} |
| 7890 |
if (this.format._options.onMoof) { |
| 7891 |
this.writer.startTrackingWrites(); |
| 7892 |
} |
| 7893 |
const newMoofBox = moof(fragmentNumber, tracksInFragment); |
| 7894 |
this.boxWriter.writeBox(newMoofBox); |
| 7895 |
if (this.format._options.onMoof) { |
| 7896 |
const { data, start } = this.writer.stopTrackingWrites(); |
| 7897 |
this.format._options.onMoof(data, start, fragmentStartTimestamp); |
| 7898 |
} |
| 7899 |
assert(this.writer.getPos() === mdatStartPos); |
| 7900 |
if (this.format._options.onMdat) { |
| 7901 |
this.writer.startTrackingWrites(); |
| 7902 |
} |
| 7903 |
const mdatBox = mdat(needsLargeMdatSize); |
| 7904 |
mdatBox.size = mdatSize; |
| 7905 |
this.boxWriter.writeBox(mdatBox); |
| 7906 |
this.writer.seek(mdatStartPos + (needsLargeMdatSize ? MAX_BOX_HEADER_SIZE : MIN_BOX_HEADER_SIZE)); |
| 7907 |
for (const trackData of tracksInFragment) { |
| 7908 |
for (const sample of trackData.currentChunk.samples) { |
| 7909 |
this.writer.write(sample.data); |
| 7910 |
sample.data = null; |
| 7911 |
} |
| 7912 |
} |
| 7913 |
if (this.format._options.onMdat) { |
| 7914 |
const { data, start } = this.writer.stopTrackingWrites(); |
| 7915 |
this.format._options.onMdat(data, start); |
| 7916 |
} |
| 7917 |
for (const trackData of tracksInFragment) { |
| 7918 |
trackData.finalizedChunks.push(trackData.currentChunk); |
| 7919 |
this.finalizedChunks.push(trackData.currentChunk); |
| 7920 |
trackData.currentChunk = null; |
| 7921 |
} |
| 7922 |
if (flushWriter) { |
| 7923 |
await this.writer.flush(); |
| 7924 |
} |
| 7925 |
} |
| 7926 |
async registerSampleFastStartReserve(trackData, sample) { |
| 7927 |
assert(this.writer); |
| 7928 |
assert(this.boxWriter); |
| 7929 |
if (this.allTracksAreKnown()) { |
| 7930 |
if (!this.mdat) { |
| 7931 |
this.ensureOneEnabledTrack(); |
| 7932 |
const moovBox = moov(this); |
| 7933 |
const moovSize = this.boxWriter.measureBox(moovBox); |
| 7934 |
const reservedSize = moovSize + this.computeSampleTableSizeUpperBound() + 4096; |
| 7935 |
assert(this.ftypSize !== null); |
| 7936 |
this.writer.seek(this.ftypSize + reservedSize); |
| 7937 |
if (this.format._options.onMdat) { |
| 7938 |
this.writer.startTrackingWrites(); |
| 7939 |
} |
| 7940 |
this.mdat = mdat(true); |
| 7941 |
this.boxWriter.writeBox(this.mdat); |
| 7942 |
for (const trackData2 of this.trackDatas) { |
| 7943 |
for (const sample2 of trackData2.sampleQueue) { |
| 7944 |
await this.addSampleToTrack(trackData2, sample2); |
| 7945 |
} |
| 7946 |
trackData2.sampleQueue.length = 0; |
| 7947 |
} |
| 7948 |
} |
| 7949 |
await this.addSampleToTrack(trackData, sample); |
| 7950 |
} else { |
| 7951 |
trackData.sampleQueue.push(sample); |
| 7952 |
} |
| 7953 |
} |
| 7954 |
computeSampleTableSizeUpperBound() { |
| 7955 |
assert(this.fastStart === "reserve"); |
| 7956 |
let upperBound = 0; |
| 7957 |
for (const trackData of this.trackDatas) { |
| 7958 |
const n2 = trackData.track.metadata.maximumPacketCount; |
| 7959 |
assert(n2 !== void 0); |
| 7960 |
upperBound += (4 + 4) * Math.ceil(2 / 3 * n2); |
| 7961 |
upperBound += 4 * n2; |
| 7962 |
upperBound += (4 + 4) * Math.ceil(2 / 3 * n2); |
| 7963 |
upperBound += (4 + 4 + 4) * Math.ceil(2 / 3 * n2); |
| 7964 |
upperBound += 4 * n2; |
| 7965 |
upperBound += 8 * n2; |
| 7966 |
} |
| 7967 |
return upperBound; |
| 7968 |
} |
| 7969 |
// eslint-disable-next-line @typescript-eslint/no-misused-promises |
| 7970 |
async onTrackClose(track) { |
| 7971 |
const release = await this.mutex.acquire(); |
| 7972 |
const trackData = this.trackDatas.find((x) => x.track === track); |
| 7973 |
if (trackData) { |
| 7974 |
trackData.closed = true; |
| 7975 |
if (trackData.type === "subtitle" && track.source._codec === "webvtt") { |
| 7976 |
await this.processWebVTTCues(trackData, Infinity); |
| 7977 |
} |
| 7978 |
this.processTimestamps(trackData); |
| 7979 |
} |
| 7980 |
if (this.allTracksAreKnown()) { |
| 7981 |
this.allTracksKnown.resolve(); |
| 7982 |
} |
| 7983 |
if (this.isFragmented) { |
| 7984 |
await this.interleaveSamples(); |
| 7985 |
} |
| 7986 |
release(); |
| 7987 |
} |
| 7988 |
ensureOneEnabledTrack() { |
| 7989 |
for (const type of ["video", "audio", "subtitle"]) { |
| 7990 |
const tracks = this.trackDatas.filter((t2) => t2.type === type); |
| 7991 |
if (tracks.length === 0) { |
| 7992 |
continue; |
| 7993 |
} |
| 7994 |
const hasEnabled = tracks.some((t2) => t2.track.metadata.disposition?.default !== false); |
| 7995 |
if (!hasEnabled) { |
| 7996 |
const firstTrack = tracks[0]; |
| 7997 |
firstTrack.track.metadata.disposition = { |
| 7998 |
...firstTrack.track.metadata.disposition, |
| 7999 |
default: true |
| 8000 |
}; |
| 8001 |
} |
| 8002 |
} |
| 8003 |
} |
| 8004 |
/** Finalizes the file, making it ready for use. Must be called after all video and audio chunks have been added. */ |
| 8005 |
async finalize() { |
| 8006 |
const release = await this.mutex.acquire(); |
| 8007 |
this.allTracksKnown.resolve(); |
| 8008 |
this.ensureOneEnabledTrack(); |
| 8009 |
for (const trackData of this.trackDatas) { |
| 8010 |
trackData.closed = true; |
| 8011 |
if (trackData.type === "subtitle" && trackData.track.source._codec === "webvtt") { |
| 8012 |
await this.processWebVTTCues(trackData, Infinity); |
| 8013 |
} |
| 8014 |
this.processTimestamps(trackData); |
| 8015 |
} |
| 8016 |
if (this.isFragmented) { |
| 8017 |
await this.interleaveSamples(true); |
| 8018 |
await this.finalizeFragment(false); |
| 8019 |
} else { |
| 8020 |
for (const trackData of this.trackDatas) { |
| 8021 |
await this.finalizeCurrentChunk(trackData); |
| 8022 |
assert(trackData.startTimestampOffset !== null); |
| 8023 |
for (let i2 = 0; i2 < trackData.samples.length; i2++) { |
| 8024 |
const sample = trackData.samples[i2]; |
| 8025 |
sample.timestamp -= trackData.startTimestampOffset; |
| 8026 |
sample.decodeTimestamp -= trackData.startTimestampOffset; |
| 8027 |
} |
| 8028 |
} |
| 8029 |
} |
| 8030 |
assert(this.writer); |
| 8031 |
assert(this.boxWriter); |
| 8032 |
if (this.fastStart === "in-memory") { |
| 8033 |
this.mdat = mdat(false); |
| 8034 |
let mdatSize; |
| 8035 |
for (let i2 = 0; i2 < 2; i2++) { |
| 8036 |
const movieBox2 = moov(this); |
| 8037 |
const movieBoxSize = this.boxWriter.measureBox(movieBox2); |
| 8038 |
mdatSize = this.boxWriter.measureBox(this.mdat); |
| 8039 |
let currentChunkPos = this.writer.getPos() + movieBoxSize + mdatSize; |
| 8040 |
for (const chunk of this.finalizedChunks) { |
| 8041 |
chunk.offset = currentChunkPos; |
| 8042 |
for (const { data } of chunk.samples) { |
| 8043 |
assert(data); |
| 8044 |
currentChunkPos += data.byteLength; |
| 8045 |
mdatSize += data.byteLength; |
| 8046 |
} |
| 8047 |
} |
| 8048 |
if (currentChunkPos < 2 ** 32) |
| 8049 |
break; |
| 8050 |
if (mdatSize >= 2 ** 32) |
| 8051 |
this.mdat.largeSize = true; |
| 8052 |
} |
| 8053 |
if (this.format._options.onMoov) { |
| 8054 |
this.writer.startTrackingWrites(); |
| 8055 |
} |
| 8056 |
const movieBox = moov(this); |
| 8057 |
this.boxWriter.writeBox(movieBox); |
| 8058 |
if (this.format._options.onMoov) { |
| 8059 |
const { data, start } = this.writer.stopTrackingWrites(); |
| 8060 |
this.format._options.onMoov(data, start); |
| 8061 |
} |
| 8062 |
if (this.format._options.onMdat) { |
| 8063 |
this.writer.startTrackingWrites(); |
| 8064 |
} |
| 8065 |
this.mdat.size = mdatSize; |
| 8066 |
this.boxWriter.writeBox(this.mdat); |
| 8067 |
for (const chunk of this.finalizedChunks) { |
| 8068 |
for (const sample of chunk.samples) { |
| 8069 |
assert(sample.data); |
| 8070 |
this.writer.write(sample.data); |
| 8071 |
sample.data = null; |
| 8072 |
} |
| 8073 |
} |
| 8074 |
if (this.format._options.onMdat) { |
| 8075 |
const { data, start } = this.writer.stopTrackingWrites(); |
| 8076 |
this.format._options.onMdat(data, start); |
| 8077 |
} |
| 8078 |
} else if (this.isFragmented) { |
| 8079 |
if (this.isCmaf) { |
| 8080 |
const contentSize = this.segmentHeaderSize !== null ? this.writer.getPos() - this.segmentHeaderSize : 0; |
| 8081 |
this.writer.seek(0); |
| 8082 |
this.boxWriter.writeBox(styp()); |
| 8083 |
this.boxWriter.writeBox(sidx(this, contentSize)); |
| 8084 |
} else { |
| 8085 |
const startPos = this.writer.getPos(); |
| 8086 |
const mfraBox = mfra(this.trackDatas); |
| 8087 |
this.boxWriter.writeBox(mfraBox); |
| 8088 |
const mfraBoxSize = this.writer.getPos() - startPos; |
| 8089 |
this.writer.seek(this.writer.getPos() - 4); |
| 8090 |
this.boxWriter.writeU32(mfraBoxSize); |
| 8091 |
} |
| 8092 |
} else { |
| 8093 |
assert(this.mdat); |
| 8094 |
const mdatPos = this.boxWriter.offsets.get(this.mdat); |
| 8095 |
assert(mdatPos !== void 0); |
| 8096 |
const mdatSize = this.writer.getPos() - mdatPos; |
| 8097 |
this.mdat.size = mdatSize; |
| 8098 |
this.mdat.largeSize = mdatSize >= 2 ** 32; |
| 8099 |
this.boxWriter.patchBox(this.mdat); |
| 8100 |
if (this.format._options.onMdat) { |
| 8101 |
const { data, start } = this.writer.stopTrackingWrites(); |
| 8102 |
this.format._options.onMdat(data, start); |
| 8103 |
} |
| 8104 |
const movieBox = moov(this); |
| 8105 |
if (this.fastStart === "reserve") { |
| 8106 |
assert(this.ftypSize !== null); |
| 8107 |
this.writer.seek(this.ftypSize); |
| 8108 |
if (this.format._options.onMoov) { |
| 8109 |
this.writer.startTrackingWrites(); |
| 8110 |
} |
| 8111 |
this.boxWriter.writeBox(movieBox); |
| 8112 |
const remainingSpace = this.boxWriter.offsets.get(this.mdat) - this.writer.getPos(); |
| 8113 |
this.boxWriter.writeBox(free(remainingSpace)); |
| 8114 |
} else { |
| 8115 |
if (this.format._options.onMoov) { |
| 8116 |
this.writer.startTrackingWrites(); |
| 8117 |
} |
| 8118 |
this.boxWriter.writeBox(movieBox); |
| 8119 |
} |
| 8120 |
if (this.format._options.onMoov) { |
| 8121 |
const { data, start } = this.writer.stopTrackingWrites(); |
| 8122 |
this.format._options.onMoov(data, start); |
| 8123 |
} |
| 8124 |
} |
| 8125 |
release(); |
| 8126 |
} |
| 8127 |
}; |
| 8128 |
|
| 8129 |
// node_modules/mediabunny/dist/modules/src/matroska/matroska-muxer.js |
| 8130 |
var MIN_CLUSTER_TIMESTAMP_MS = -(2 ** 15); |
| 8131 |
var MAX_CLUSTER_TIMESTAMP_MS = 2 ** 15 - 1; |
| 8132 |
var APP_NAME = "Mediabunny"; |
| 8133 |
var SEGMENT_SIZE_BYTES = 6; |
| 8134 |
var CLUSTER_SIZE_BYTES = 5; |
| 8135 |
var TRACK_TYPE_MAP = { |
| 8136 |
video: 1, |
| 8137 |
audio: 2, |
| 8138 |
subtitle: 17 |
| 8139 |
}; |
| 8140 |
var MatroskaMuxer = class extends Muxer { |
| 8141 |
constructor(output, format) { |
| 8142 |
super(output); |
| 8143 |
this.trackDatas = []; |
| 8144 |
this.allTracksKnown = promiseWithResolvers(); |
| 8145 |
this.segment = null; |
| 8146 |
this.segmentInfo = null; |
| 8147 |
this.seekHead = null; |
| 8148 |
this.tracksElement = null; |
| 8149 |
this.tagsElement = null; |
| 8150 |
this.attachmentsElement = null; |
| 8151 |
this.segmentDuration = null; |
| 8152 |
this.cues = null; |
| 8153 |
this.currentCluster = null; |
| 8154 |
this.currentClusterStartMsTimestamp = null; |
| 8155 |
this.currentClusterMaxMsTimestamp = null; |
| 8156 |
this.trackDatasInCurrentCluster = /* @__PURE__ */ new Map(); |
| 8157 |
this.startTimestamp = Infinity; |
| 8158 |
this.endTimestamp = -Infinity; |
| 8159 |
this.format = format; |
| 8160 |
} |
| 8161 |
async start() { |
| 8162 |
const release = await this.mutex.acquire(); |
| 8163 |
this.writer = await this.output._getRootWriter(!!this.format._options.appendOnly); |
| 8164 |
this.ebmlWriter = new EBMLWriter(this.writer); |
| 8165 |
this.writeEBMLHeader(); |
| 8166 |
this.createSegmentInfo(); |
| 8167 |
this.createCues(); |
| 8168 |
await this.writer.flush(); |
| 8169 |
release(); |
| 8170 |
} |
| 8171 |
writeEBMLHeader() { |
| 8172 |
if (this.format._options.onEbmlHeader) { |
| 8173 |
this.writer.startTrackingWrites(); |
| 8174 |
} |
| 8175 |
const ebmlHeader = { id: EBMLId.EBML, data: [ |
| 8176 |
{ id: EBMLId.EBMLVersion, data: 1 }, |
| 8177 |
{ id: EBMLId.EBMLReadVersion, data: 1 }, |
| 8178 |
{ id: EBMLId.EBMLMaxIDLength, data: 4 }, |
| 8179 |
{ id: EBMLId.EBMLMaxSizeLength, data: 8 }, |
| 8180 |
{ id: EBMLId.DocType, data: this.format instanceof WebMOutputFormat ? "webm" : "matroska" }, |
| 8181 |
{ id: EBMLId.DocTypeVersion, data: 2 }, |
| 8182 |
{ id: EBMLId.DocTypeReadVersion, data: 2 } |
| 8183 |
] }; |
| 8184 |
this.ebmlWriter.writeEBML(ebmlHeader); |
| 8185 |
if (this.format._options.onEbmlHeader) { |
| 8186 |
const { data, start } = this.writer.stopTrackingWrites(); |
| 8187 |
this.format._options.onEbmlHeader(data, start); |
| 8188 |
} |
| 8189 |
} |
| 8190 |
/** |
| 8191 |
* Creates a SeekHead element which is positioned near the start of the file and allows the media player to seek to |
| 8192 |
* relevant sections more easily. Since we don't know the positions of those sections yet, we'll set them later. |
| 8193 |
*/ |
| 8194 |
maybeCreateSeekHead(writeOffsets) { |
| 8195 |
if (this.format._options.appendOnly) { |
| 8196 |
return; |
| 8197 |
} |
| 8198 |
const kaxCues = new Uint8Array([28, 83, 187, 107]); |
| 8199 |
const kaxInfo = new Uint8Array([21, 73, 169, 102]); |
| 8200 |
const kaxTracks = new Uint8Array([22, 84, 174, 107]); |
| 8201 |
const kaxAttachments = new Uint8Array([25, 65, 164, 105]); |
| 8202 |
const kaxTags = new Uint8Array([18, 84, 195, 103]); |
| 8203 |
const seekHead = { id: EBMLId.SeekHead, data: [ |
| 8204 |
{ id: EBMLId.Seek, data: [ |
| 8205 |
{ id: EBMLId.SeekID, data: kaxCues }, |
| 8206 |
{ |
| 8207 |
id: EBMLId.SeekPosition, |
| 8208 |
size: 5, |
| 8209 |
data: writeOffsets ? this.ebmlWriter.offsets.get(this.cues) - this.segmentDataOffset : 0 |
| 8210 |
} |
| 8211 |
] }, |
| 8212 |
{ id: EBMLId.Seek, data: [ |
| 8213 |
{ id: EBMLId.SeekID, data: kaxInfo }, |
| 8214 |
{ |
| 8215 |
id: EBMLId.SeekPosition, |
| 8216 |
size: 5, |
| 8217 |
data: writeOffsets ? this.ebmlWriter.offsets.get(this.segmentInfo) - this.segmentDataOffset : 0 |
| 8218 |
} |
| 8219 |
] }, |
| 8220 |
{ id: EBMLId.Seek, data: [ |
| 8221 |
{ id: EBMLId.SeekID, data: kaxTracks }, |
| 8222 |
{ |
| 8223 |
id: EBMLId.SeekPosition, |
| 8224 |
size: 5, |
| 8225 |
data: writeOffsets ? this.ebmlWriter.offsets.get(this.tracksElement) - this.segmentDataOffset : 0 |
| 8226 |
} |
| 8227 |
] }, |
| 8228 |
this.attachmentsElement ? { id: EBMLId.Seek, data: [ |
| 8229 |
{ id: EBMLId.SeekID, data: kaxAttachments }, |
| 8230 |
{ |
| 8231 |
id: EBMLId.SeekPosition, |
| 8232 |
size: 5, |
| 8233 |
data: writeOffsets ? this.ebmlWriter.offsets.get(this.attachmentsElement) - this.segmentDataOffset : 0 |
| 8234 |
} |
| 8235 |
] } : null, |
| 8236 |
this.tagsElement ? { id: EBMLId.Seek, data: [ |
| 8237 |
{ id: EBMLId.SeekID, data: kaxTags }, |
| 8238 |
{ |
| 8239 |
id: EBMLId.SeekPosition, |
| 8240 |
size: 5, |
| 8241 |
data: writeOffsets ? this.ebmlWriter.offsets.get(this.tagsElement) - this.segmentDataOffset : 0 |
| 8242 |
} |
| 8243 |
] } : null |
| 8244 |
] }; |
| 8245 |
this.seekHead = seekHead; |
| 8246 |
} |
| 8247 |
createSegmentInfo() { |
| 8248 |
const segmentDuration = { id: EBMLId.Duration, data: new EBMLFloat64(0) }; |
| 8249 |
this.segmentDuration = segmentDuration; |
| 8250 |
const segmentInfo = { id: EBMLId.Info, data: [ |
| 8251 |
{ id: EBMLId.TimestampScale, data: 1e6 }, |
| 8252 |
{ id: EBMLId.MuxingApp, data: APP_NAME }, |
| 8253 |
{ id: EBMLId.WritingApp, data: APP_NAME }, |
| 8254 |
!this.format._options.appendOnly ? segmentDuration : null |
| 8255 |
] }; |
| 8256 |
this.segmentInfo = segmentInfo; |
| 8257 |
} |
| 8258 |
createTracks() { |
| 8259 |
const tracksElement = { id: EBMLId.Tracks, data: [] }; |
| 8260 |
this.tracksElement = tracksElement; |
| 8261 |
for (const trackData of this.trackDatas) { |
| 8262 |
const codecId = CODEC_STRING_MAP[trackData.track.source._codec]; |
| 8263 |
assert(codecId); |
| 8264 |
let seekPreRollNs = 0; |
| 8265 |
if (trackData.type === "audio" && trackData.track.source._codec === "opus") { |
| 8266 |
seekPreRollNs = 1e6 * 80; |
| 8267 |
const description = trackData.info.decoderConfig.description; |
| 8268 |
if (description) { |
| 8269 |
const bytes2 = toUint8Array(description); |
| 8270 |
const header = parseOpusIdentificationHeader(bytes2); |
| 8271 |
seekPreRollNs = Math.round(1e9 * (header.preSkip / OPUS_SAMPLE_RATE)); |
| 8272 |
} |
| 8273 |
} |
| 8274 |
tracksElement.data.push({ id: EBMLId.TrackEntry, data: [ |
| 8275 |
{ id: EBMLId.TrackNumber, data: trackData.track.id }, |
| 8276 |
{ id: EBMLId.TrackUID, data: trackData.track.id }, |
| 8277 |
{ id: EBMLId.TrackType, data: TRACK_TYPE_MAP[trackData.type] }, |
| 8278 |
trackData.track.metadata.disposition?.default === false ? { id: EBMLId.FlagDefault, data: 0 } : null, |
| 8279 |
trackData.track.metadata.disposition?.forced ? { id: EBMLId.FlagForced, data: 1 } : null, |
| 8280 |
trackData.track.metadata.disposition?.hearingImpaired ? { id: EBMLId.FlagHearingImpaired, data: 1 } : null, |
| 8281 |
trackData.track.metadata.disposition?.visuallyImpaired ? { id: EBMLId.FlagVisualImpaired, data: 1 } : null, |
| 8282 |
trackData.track.metadata.disposition?.original ? { id: EBMLId.FlagOriginal, data: 1 } : null, |
| 8283 |
trackData.track.metadata.disposition?.commentary ? { id: EBMLId.FlagCommentary, data: 1 } : null, |
| 8284 |
{ id: EBMLId.FlagLacing, data: 0 }, |
| 8285 |
{ id: EBMLId.Language, data: trackData.track.metadata.languageCode ?? UNDETERMINED_LANGUAGE }, |
| 8286 |
{ id: EBMLId.CodecID, data: codecId }, |
| 8287 |
{ id: EBMLId.CodecDelay, data: 0 }, |
| 8288 |
{ id: EBMLId.SeekPreRoll, data: seekPreRollNs }, |
| 8289 |
trackData.track.metadata.name !== void 0 ? { id: EBMLId.Name, data: new EBMLUnicodeString(trackData.track.metadata.name) } : null, |
| 8290 |
trackData.type === "video" ? this.videoSpecificTrackInfo(trackData) : null, |
| 8291 |
trackData.type === "audio" ? this.audioSpecificTrackInfo(trackData) : null, |
| 8292 |
trackData.type === "subtitle" ? this.subtitleSpecificTrackInfo(trackData) : null |
| 8293 |
] }); |
| 8294 |
} |
| 8295 |
} |
| 8296 |
videoSpecificTrackInfo(trackData) { |
| 8297 |
const { frameRate, rotation } = trackData.track.metadata; |
| 8298 |
const elements = [ |
| 8299 |
trackData.info.decoderConfig.description ? { |
| 8300 |
id: EBMLId.CodecPrivate, |
| 8301 |
data: toUint8Array(trackData.info.decoderConfig.description) |
| 8302 |
} : null, |
| 8303 |
frameRate ? { |
| 8304 |
id: EBMLId.DefaultDuration, |
| 8305 |
data: 1e9 / frameRate |
| 8306 |
} : null |
| 8307 |
]; |
| 8308 |
const flippedRotation = rotation ? normalizeRotation(-rotation) : 0; |
| 8309 |
const hasNonSquarePixelAspectRatio = !!trackData.info.aspectRatio && trackData.info.aspectRatio.num * trackData.info.height !== trackData.info.aspectRatio.den * trackData.info.width; |
| 8310 |
const colorSpace = trackData.info.decoderConfig.colorSpace; |
| 8311 |
const videoElement = { id: EBMLId.Video, data: [ |
| 8312 |
{ id: EBMLId.PixelWidth, data: trackData.info.width }, |
| 8313 |
{ id: EBMLId.PixelHeight, data: trackData.info.height }, |
| 8314 |
hasNonSquarePixelAspectRatio ? { id: EBMLId.DisplayWidth, data: trackData.info.aspectRatio.num } : null, |
| 8315 |
hasNonSquarePixelAspectRatio ? { id: EBMLId.DisplayHeight, data: trackData.info.aspectRatio.den } : null, |
| 8316 |
hasNonSquarePixelAspectRatio ? { id: EBMLId.DisplayUnit, data: 3 } : null, |
| 8317 |
// 3 = display aspect ratio |
| 8318 |
trackData.info.alphaMode ? { id: EBMLId.AlphaMode, data: 1 } : null, |
| 8319 |
colorSpaceIsComplete(colorSpace) ? { |
| 8320 |
id: EBMLId.Colour, |
| 8321 |
data: [ |
| 8322 |
{ |
| 8323 |
id: EBMLId.MatrixCoefficients, |
| 8324 |
data: MATRIX_COEFFICIENTS_MAP[colorSpace.matrix] |
| 8325 |
}, |
| 8326 |
{ |
| 8327 |
id: EBMLId.TransferCharacteristics, |
| 8328 |
data: TRANSFER_CHARACTERISTICS_MAP[colorSpace.transfer] |
| 8329 |
}, |
| 8330 |
{ |
| 8331 |
id: EBMLId.Primaries, |
| 8332 |
data: COLOR_PRIMARIES_MAP[colorSpace.primaries] |
| 8333 |
}, |
| 8334 |
{ |
| 8335 |
id: EBMLId.Range, |
| 8336 |
data: colorSpace.fullRange ? 2 : 1 |
| 8337 |
} |
| 8338 |
] |
| 8339 |
} : null, |
| 8340 |
flippedRotation ? { |
| 8341 |
id: EBMLId.Projection, |
| 8342 |
data: [ |
| 8343 |
{ |
| 8344 |
id: EBMLId.ProjectionType, |
| 8345 |
data: 0 |
| 8346 |
// rectangular |
| 8347 |
}, |
| 8348 |
{ |
| 8349 |
id: EBMLId.ProjectionPoseRoll, |
| 8350 |
data: new EBMLFloat32((flippedRotation + 180) % 360 - 180) |
| 8351 |
// [0, 270] -> [-180, 90] |
| 8352 |
} |
| 8353 |
] |
| 8354 |
} : null |
| 8355 |
] }; |
| 8356 |
elements.push(videoElement); |
| 8357 |
return elements; |
| 8358 |
} |
| 8359 |
audioSpecificTrackInfo(trackData) { |
| 8360 |
const pcmInfo = PCM_AUDIO_CODECS.includes(trackData.track.source._codec) ? parsePcmCodec(trackData.track.source._codec) : null; |
| 8361 |
return [ |
| 8362 |
trackData.info.decoderConfig.description ? { |
| 8363 |
id: EBMLId.CodecPrivate, |
| 8364 |
data: toUint8Array(trackData.info.decoderConfig.description) |
| 8365 |
} : null, |
| 8366 |
{ id: EBMLId.Audio, data: [ |
| 8367 |
{ id: EBMLId.SamplingFrequency, data: new EBMLFloat32(trackData.info.sampleRate) }, |
| 8368 |
{ id: EBMLId.Channels, data: trackData.info.numberOfChannels }, |
| 8369 |
pcmInfo ? { id: EBMLId.BitDepth, data: 8 * pcmInfo.sampleSize } : null |
| 8370 |
] } |
| 8371 |
]; |
| 8372 |
} |
| 8373 |
subtitleSpecificTrackInfo(trackData) { |
| 8374 |
return [ |
| 8375 |
{ id: EBMLId.CodecPrivate, data: textEncoder.encode(trackData.info.config.description) } |
| 8376 |
]; |
| 8377 |
} |
| 8378 |
maybeCreateTags() { |
| 8379 |
const simpleTags = []; |
| 8380 |
const addSimpleTag = (key, value) => { |
| 8381 |
simpleTags.push({ id: EBMLId.SimpleTag, data: [ |
| 8382 |
{ id: EBMLId.TagName, data: new EBMLUnicodeString(key) }, |
| 8383 |
typeof value === "string" ? { id: EBMLId.TagString, data: new EBMLUnicodeString(value) } : { id: EBMLId.TagBinary, data: value } |
| 8384 |
] }); |
| 8385 |
}; |
| 8386 |
const metadataTags = this.output._metadataTags; |
| 8387 |
const writtenTags = /* @__PURE__ */ new Set(); |
| 8388 |
for (const { key, value } of keyValueIterator(metadataTags)) { |
| 8389 |
switch (key) { |
| 8390 |
case "title": |
| 8391 |
{ |
| 8392 |
addSimpleTag("TITLE", value); |
| 8393 |
writtenTags.add("TITLE"); |
| 8394 |
} |
| 8395 |
; |
| 8396 |
break; |
| 8397 |
case "description": |
| 8398 |
{ |
| 8399 |
addSimpleTag("DESCRIPTION", value); |
| 8400 |
writtenTags.add("DESCRIPTION"); |
| 8401 |
} |
| 8402 |
; |
| 8403 |
break; |
| 8404 |
case "artist": |
| 8405 |
{ |
| 8406 |
addSimpleTag("ARTIST", value); |
| 8407 |
writtenTags.add("ARTIST"); |
| 8408 |
} |
| 8409 |
; |
| 8410 |
break; |
| 8411 |
case "album": |
| 8412 |
{ |
| 8413 |
addSimpleTag("ALBUM", value); |
| 8414 |
writtenTags.add("ALBUM"); |
| 8415 |
} |
| 8416 |
; |
| 8417 |
break; |
| 8418 |
case "albumArtist": |
| 8419 |
{ |
| 8420 |
addSimpleTag("ALBUM_ARTIST", value); |
| 8421 |
writtenTags.add("ALBUM_ARTIST"); |
| 8422 |
} |
| 8423 |
; |
| 8424 |
break; |
| 8425 |
case "genre": |
| 8426 |
{ |
| 8427 |
addSimpleTag("GENRE", value); |
| 8428 |
writtenTags.add("GENRE"); |
| 8429 |
} |
| 8430 |
; |
| 8431 |
break; |
| 8432 |
case "comment": |
| 8433 |
{ |
| 8434 |
addSimpleTag("COMMENT", value); |
| 8435 |
writtenTags.add("COMMENT"); |
| 8436 |
} |
| 8437 |
; |
| 8438 |
break; |
| 8439 |
case "lyrics": |
| 8440 |
{ |
| 8441 |
addSimpleTag("LYRICS", value); |
| 8442 |
writtenTags.add("LYRICS"); |
| 8443 |
} |
| 8444 |
; |
| 8445 |
break; |
| 8446 |
case "date": |
| 8447 |
{ |
| 8448 |
addSimpleTag("DATE", value.toISOString().slice(0, 10)); |
| 8449 |
writtenTags.add("DATE"); |
| 8450 |
} |
| 8451 |
; |
| 8452 |
break; |
| 8453 |
case "trackNumber": |
| 8454 |
{ |
| 8455 |
const string = metadataTags.tracksTotal !== void 0 ? \`\${value}/\${metadataTags.tracksTotal}\` : value.toString(); |
| 8456 |
addSimpleTag("PART_NUMBER", string); |
| 8457 |
writtenTags.add("PART_NUMBER"); |
| 8458 |
} |
| 8459 |
; |
| 8460 |
break; |
| 8461 |
case "discNumber": |
| 8462 |
{ |
| 8463 |
const string = metadataTags.discsTotal !== void 0 ? \`\${value}/\${metadataTags.discsTotal}\` : value.toString(); |
| 8464 |
addSimpleTag("DISC", string); |
| 8465 |
writtenTags.add("DISC"); |
| 8466 |
} |
| 8467 |
; |
| 8468 |
break; |
| 8469 |
case "tracksTotal": |
| 8470 |
case "discsTotal": |
| 8471 |
{ |
| 8472 |
} |
| 8473 |
; |
| 8474 |
break; |
| 8475 |
case "images": |
| 8476 |
case "raw": |
| 8477 |
{ |
| 8478 |
} |
| 8479 |
; |
| 8480 |
break; |
| 8481 |
default: |
| 8482 |
assertNever(key); |
| 8483 |
} |
| 8484 |
} |
| 8485 |
if (metadataTags.raw) { |
| 8486 |
for (const key in metadataTags.raw) { |
| 8487 |
const value = metadataTags.raw[key]; |
| 8488 |
if (value == null || writtenTags.has(key)) { |
| 8489 |
continue; |
| 8490 |
} |
| 8491 |
if (typeof value === "string" || value instanceof Uint8Array) { |
| 8492 |
addSimpleTag(key, value); |
| 8493 |
} |
| 8494 |
} |
| 8495 |
} |
| 8496 |
if (simpleTags.length === 0) { |
| 8497 |
return; |
| 8498 |
} |
| 8499 |
this.tagsElement = { |
| 8500 |
id: EBMLId.Tags, |
| 8501 |
data: [{ id: EBMLId.Tag, data: [ |
| 8502 |
{ id: EBMLId.Targets, data: [ |
| 8503 |
{ id: EBMLId.TargetTypeValue, data: 50 }, |
| 8504 |
{ id: EBMLId.TargetType, data: "MOVIE" } |
| 8505 |
] }, |
| 8506 |
...simpleTags |
| 8507 |
] }] |
| 8508 |
}; |
| 8509 |
} |
| 8510 |
maybeCreateAttachments() { |
| 8511 |
const metadataTags = this.output._metadataTags; |
| 8512 |
const elements = []; |
| 8513 |
const existingFileUids = /* @__PURE__ */ new Set(); |
| 8514 |
const images = metadataTags.images ?? []; |
| 8515 |
for (const image of images) { |
| 8516 |
let imageName = image.name; |
| 8517 |
if (imageName === void 0) { |
| 8518 |
const baseName = image.kind === "coverFront" ? "cover" : image.kind === "coverBack" ? "back" : "image"; |
| 8519 |
imageName = baseName + (imageMimeTypeToExtension(image.mimeType) ?? ""); |
| 8520 |
} |
| 8521 |
let fileUid; |
| 8522 |
while (true) { |
| 8523 |
fileUid = 0n; |
| 8524 |
for (let i2 = 0; i2 < 8; i2++) { |
| 8525 |
fileUid <<= 8n; |
| 8526 |
fileUid |= BigInt(Math.floor(Math.random() * 256)); |
| 8527 |
} |
| 8528 |
if (fileUid !== 0n && !existingFileUids.has(fileUid)) { |
| 8529 |
break; |
| 8530 |
} |
| 8531 |
} |
| 8532 |
existingFileUids.add(fileUid); |
| 8533 |
elements.push({ |
| 8534 |
id: EBMLId.AttachedFile, |
| 8535 |
data: [ |
| 8536 |
image.description !== void 0 ? { id: EBMLId.FileDescription, data: new EBMLUnicodeString(image.description) } : null, |
| 8537 |
{ id: EBMLId.FileName, data: new EBMLUnicodeString(imageName) }, |
| 8538 |
{ id: EBMLId.FileMediaType, data: image.mimeType }, |
| 8539 |
{ id: EBMLId.FileData, data: image.data }, |
| 8540 |
{ id: EBMLId.FileUID, data: fileUid } |
| 8541 |
] |
| 8542 |
}); |
| 8543 |
} |
| 8544 |
for (const [key, value] of Object.entries(metadataTags.raw ?? {})) { |
| 8545 |
if (!(value instanceof AttachedFile)) { |
| 8546 |
continue; |
| 8547 |
} |
| 8548 |
const keyIsNumeric = /^\\d+$/.test(key); |
| 8549 |
if (!keyIsNumeric) { |
| 8550 |
continue; |
| 8551 |
} |
| 8552 |
if (images.find((x) => x.mimeType === value.mimeType && uint8ArraysAreEqual(x.data, value.data))) { |
| 8553 |
continue; |
| 8554 |
} |
| 8555 |
elements.push({ |
| 8556 |
id: EBMLId.AttachedFile, |
| 8557 |
data: [ |
| 8558 |
value.description !== void 0 ? { id: EBMLId.FileDescription, data: new EBMLUnicodeString(value.description) } : null, |
| 8559 |
{ id: EBMLId.FileName, data: new EBMLUnicodeString(value.name ?? "") }, |
| 8560 |
{ id: EBMLId.FileMediaType, data: value.mimeType ?? "" }, |
| 8561 |
{ id: EBMLId.FileData, data: value.data }, |
| 8562 |
{ id: EBMLId.FileUID, data: BigInt(key) } |
| 8563 |
] |
| 8564 |
}); |
| 8565 |
} |
| 8566 |
if (elements.length === 0) { |
| 8567 |
return; |
| 8568 |
} |
| 8569 |
this.attachmentsElement = { id: EBMLId.Attachments, data: elements }; |
| 8570 |
} |
| 8571 |
createSegment() { |
| 8572 |
this.createTracks(); |
| 8573 |
this.maybeCreateTags(); |
| 8574 |
this.maybeCreateAttachments(); |
| 8575 |
this.maybeCreateSeekHead(false); |
| 8576 |
const segment = { |
| 8577 |
id: EBMLId.Segment, |
| 8578 |
size: this.format._options.appendOnly ? -1 : SEGMENT_SIZE_BYTES, |
| 8579 |
data: [ |
| 8580 |
this.seekHead, |
| 8581 |
// null if append-only |
| 8582 |
this.segmentInfo, |
| 8583 |
this.tracksElement, |
| 8584 |
// Matroska spec says put this at the end of the file, but I think placing it before the first cluster |
| 8585 |
// makes more sense, and FFmpeg agrees (argumentum ad ffmpegum fallacy) |
| 8586 |
this.attachmentsElement, |
| 8587 |
this.tagsElement |
| 8588 |
] |
| 8589 |
}; |
| 8590 |
this.segment = segment; |
| 8591 |
if (this.format._options.onSegmentHeader) { |
| 8592 |
this.writer.startTrackingWrites(); |
| 8593 |
} |
| 8594 |
this.ebmlWriter.writeEBML(segment); |
| 8595 |
if (this.format._options.onSegmentHeader) { |
| 8596 |
const { data, start } = this.writer.stopTrackingWrites(); |
| 8597 |
this.format._options.onSegmentHeader(data, start); |
| 8598 |
} |
| 8599 |
} |
| 8600 |
createCues() { |
| 8601 |
this.cues = { id: EBMLId.Cues, data: [] }; |
| 8602 |
} |
| 8603 |
get segmentDataOffset() { |
| 8604 |
assert(this.segment); |
| 8605 |
return this.ebmlWriter.dataOffsets.get(this.segment); |
| 8606 |
} |
| 8607 |
allTracksAreKnown() { |
| 8608 |
for (const track of this.output._tracks) { |
| 8609 |
if (!track.source._closed && !this.trackDatas.some((x) => x.track === track)) { |
| 8610 |
return false; |
| 8611 |
} |
| 8612 |
} |
| 8613 |
return true; |
| 8614 |
} |
| 8615 |
async getMimeType() { |
| 8616 |
await this.allTracksKnown.promise; |
| 8617 |
const codecStrings = this.trackDatas.map((trackData) => { |
| 8618 |
if (trackData.type === "video") { |
| 8619 |
return trackData.info.decoderConfig.codec; |
| 8620 |
} else if (trackData.type === "audio") { |
| 8621 |
return trackData.info.decoderConfig.codec; |
| 8622 |
} else { |
| 8623 |
const map = { |
| 8624 |
webvtt: "wvtt" |
| 8625 |
}; |
| 8626 |
return map[trackData.track.source._codec]; |
| 8627 |
} |
| 8628 |
}); |
| 8629 |
return buildMatroskaMimeType({ |
| 8630 |
isWebM: this.format instanceof WebMOutputFormat, |
| 8631 |
hasVideo: this.trackDatas.some((x) => x.type === "video"), |
| 8632 |
hasAudio: this.trackDatas.some((x) => x.type === "audio"), |
| 8633 |
codecStrings |
| 8634 |
}); |
| 8635 |
} |
| 8636 |
getVideoTrackData(track, packet, meta) { |
| 8637 |
const existingTrackData = this.trackDatas.find((x) => x.track === track); |
| 8638 |
if (existingTrackData) { |
| 8639 |
return existingTrackData; |
| 8640 |
} |
| 8641 |
validateVideoChunkMetadata(meta); |
| 8642 |
assert(meta); |
| 8643 |
assert(meta.decoderConfig); |
| 8644 |
assert(meta.decoderConfig.codedWidth !== void 0); |
| 8645 |
assert(meta.decoderConfig.codedHeight !== void 0); |
| 8646 |
const displayAspectWidth = meta.decoderConfig.displayAspectWidth; |
| 8647 |
const displayAspectHeight = meta.decoderConfig.displayAspectHeight; |
| 8648 |
const aspectRatio = displayAspectWidth === void 0 || displayAspectHeight === void 0 ? null : simplifyRational({ |
| 8649 |
num: displayAspectWidth, |
| 8650 |
den: displayAspectHeight |
| 8651 |
}); |
| 8652 |
const newTrackData = { |
| 8653 |
track, |
| 8654 |
type: "video", |
| 8655 |
info: { |
| 8656 |
width: meta.decoderConfig.codedWidth, |
| 8657 |
height: meta.decoderConfig.codedHeight, |
| 8658 |
aspectRatio, |
| 8659 |
decoderConfig: meta.decoderConfig, |
| 8660 |
alphaMode: !!packet.sideData.alpha |
| 8661 |
// The first packet determines if this track has alpha or not |
| 8662 |
}, |
| 8663 |
chunkQueue: [], |
| 8664 |
lastWrittenMsTimestamp: null, |
| 8665 |
closed: false |
| 8666 |
}; |
| 8667 |
if (track.source._codec === "vp9") { |
| 8668 |
newTrackData.info.decoderConfig = { |
| 8669 |
...newTrackData.info.decoderConfig, |
| 8670 |
description: new Uint8Array(generateVp9CodecConfigurationFromCodecString(newTrackData.info.decoderConfig.codec)) |
| 8671 |
}; |
| 8672 |
} else if (track.source._codec === "av1") { |
| 8673 |
newTrackData.info.decoderConfig = { |
| 8674 |
...newTrackData.info.decoderConfig, |
| 8675 |
description: new Uint8Array(generateAv1CodecConfigurationFromCodecString(newTrackData.info.decoderConfig.codec)) |
| 8676 |
}; |
| 8677 |
} |
| 8678 |
this.trackDatas.push(newTrackData); |
| 8679 |
this.trackDatas.sort((a2, b) => a2.track.id - b.track.id); |
| 8680 |
if (this.allTracksAreKnown()) { |
| 8681 |
this.allTracksKnown.resolve(); |
| 8682 |
} |
| 8683 |
return newTrackData; |
| 8684 |
} |
| 8685 |
getAudioTrackData(track, packet, meta) { |
| 8686 |
const existingTrackData = this.trackDatas.find((x) => x.track === track); |
| 8687 |
if (existingTrackData) { |
| 8688 |
return existingTrackData; |
| 8689 |
} |
| 8690 |
validateAudioChunkMetadata(meta); |
| 8691 |
assert(meta); |
| 8692 |
assert(meta.decoderConfig); |
| 8693 |
const decoderConfig = { ...meta.decoderConfig }; |
| 8694 |
let requiresAdtsStripping = false; |
| 8695 |
if (track.source._codec === "aac" && !decoderConfig.description) { |
| 8696 |
const adtsFrame = readAdtsFrameHeader(FileSlice.tempFromBytes(packet.data)); |
| 8697 |
if (!adtsFrame) { |
| 8698 |
throw new Error("Couldn't parse ADTS header from the AAC packet. Make sure the packets are in ADTS format (as specified in ISO 13818-7) when not providing a description, or provide a description (must be an AudioSpecificConfig as specified in ISO 14496-3) and ensure the packets are raw AAC data."); |
| 8699 |
} |
| 8700 |
const sampleRate = aacFrequencyTable[adtsFrame.samplingFrequencyIndex]; |
| 8701 |
const numberOfChannels = aacChannelMap[adtsFrame.channelConfiguration]; |
| 8702 |
if (sampleRate === void 0 || numberOfChannels === void 0) { |
| 8703 |
throw new Error("Invalid ADTS frame header."); |
| 8704 |
} |
| 8705 |
decoderConfig.description = buildAacAudioSpecificConfig({ |
| 8706 |
objectType: adtsFrame.objectType, |
| 8707 |
sampleRate, |
| 8708 |
numberOfChannels |
| 8709 |
}); |
| 8710 |
requiresAdtsStripping = true; |
| 8711 |
} |
| 8712 |
const newTrackData = { |
| 8713 |
track, |
| 8714 |
type: "audio", |
| 8715 |
info: { |
| 8716 |
numberOfChannels: meta.decoderConfig.numberOfChannels, |
| 8717 |
sampleRate: meta.decoderConfig.sampleRate, |
| 8718 |
decoderConfig, |
| 8719 |
requiresAdtsStripping |
| 8720 |
}, |
| 8721 |
chunkQueue: [], |
| 8722 |
lastWrittenMsTimestamp: null, |
| 8723 |
closed: false |
| 8724 |
}; |
| 8725 |
this.trackDatas.push(newTrackData); |
| 8726 |
this.trackDatas.sort((a2, b) => a2.track.id - b.track.id); |
| 8727 |
if (this.allTracksAreKnown()) { |
| 8728 |
this.allTracksKnown.resolve(); |
| 8729 |
} |
| 8730 |
return newTrackData; |
| 8731 |
} |
| 8732 |
getSubtitleTrackData(track, meta) { |
| 8733 |
const existingTrackData = this.trackDatas.find((x) => x.track === track); |
| 8734 |
if (existingTrackData) { |
| 8735 |
return existingTrackData; |
| 8736 |
} |
| 8737 |
validateSubtitleMetadata(meta); |
| 8738 |
assert(meta); |
| 8739 |
assert(meta.config); |
| 8740 |
const newTrackData = { |
| 8741 |
track, |
| 8742 |
type: "subtitle", |
| 8743 |
info: { |
| 8744 |
config: meta.config |
| 8745 |
}, |
| 8746 |
chunkQueue: [], |
| 8747 |
lastWrittenMsTimestamp: null, |
| 8748 |
closed: false |
| 8749 |
}; |
| 8750 |
this.trackDatas.push(newTrackData); |
| 8751 |
this.trackDatas.sort((a2, b) => a2.track.id - b.track.id); |
| 8752 |
if (this.allTracksAreKnown()) { |
| 8753 |
this.allTracksKnown.resolve(); |
| 8754 |
} |
| 8755 |
return newTrackData; |
| 8756 |
} |
| 8757 |
async addEncodedVideoPacket(track, packet, meta) { |
| 8758 |
const release = await this.mutex.acquire(); |
| 8759 |
try { |
| 8760 |
const trackData = this.getVideoTrackData(track, packet, meta); |
| 8761 |
const isKeyFrame = packet.type === "key"; |
| 8762 |
this.validateTimestamp(trackData.track, packet.timestamp, isKeyFrame); |
| 8763 |
let timestamp = packet.timestamp; |
| 8764 |
let duration = packet.duration; |
| 8765 |
if (track.metadata.frameRate !== void 0) { |
| 8766 |
timestamp = roundToDivisor(timestamp, track.metadata.frameRate); |
| 8767 |
duration = roundToDivisor(duration, track.metadata.frameRate); |
| 8768 |
} |
| 8769 |
const additions = trackData.info.alphaMode ? packet.sideData.alpha ?? null : null; |
| 8770 |
const videoChunk = this.createInternalChunk(packet.data, timestamp, duration, packet.type, additions); |
| 8771 |
if (track.source._codec === "vp9") |
| 8772 |
this.fixVP9ColorSpace(trackData, videoChunk); |
| 8773 |
trackData.chunkQueue.push(videoChunk); |
| 8774 |
await this.interleaveChunks(); |
| 8775 |
} finally { |
| 8776 |
release(); |
| 8777 |
} |
| 8778 |
} |
| 8779 |
async addEncodedAudioPacket(track, packet, meta) { |
| 8780 |
const release = await this.mutex.acquire(); |
| 8781 |
try { |
| 8782 |
const trackData = this.getAudioTrackData(track, packet, meta); |
| 8783 |
let packetData = packet.data; |
| 8784 |
if (trackData.info.requiresAdtsStripping) { |
| 8785 |
const adtsFrame = readAdtsFrameHeader(FileSlice.tempFromBytes(packetData)); |
| 8786 |
if (!adtsFrame) { |
| 8787 |
throw new Error("Expected ADTS frame, didn't get one."); |
| 8788 |
} |
| 8789 |
const headerLength = adtsFrame.crcCheck === null ? MIN_ADTS_FRAME_HEADER_SIZE : MAX_ADTS_FRAME_HEADER_SIZE; |
| 8790 |
packetData = packetData.subarray(headerLength); |
| 8791 |
} |
| 8792 |
const isKeyFrame = packet.type === "key"; |
| 8793 |
this.validateTimestamp(trackData.track, packet.timestamp, isKeyFrame); |
| 8794 |
const audioChunk = this.createInternalChunk(packetData, packet.timestamp, packet.duration, packet.type); |
| 8795 |
trackData.chunkQueue.push(audioChunk); |
| 8796 |
await this.interleaveChunks(); |
| 8797 |
} finally { |
| 8798 |
release(); |
| 8799 |
} |
| 8800 |
} |
| 8801 |
async addSubtitleCue(track, cue, meta) { |
| 8802 |
const release = await this.mutex.acquire(); |
| 8803 |
try { |
| 8804 |
const trackData = this.getSubtitleTrackData(track, meta); |
| 8805 |
this.validateTimestamp(trackData.track, cue.timestamp, true); |
| 8806 |
let bodyText = cue.text; |
| 8807 |
const timestampMs = Math.round(cue.timestamp * 1e3); |
| 8808 |
inlineTimestampRegex.lastIndex = 0; |
| 8809 |
bodyText = bodyText.replace(inlineTimestampRegex, (match) => { |
| 8810 |
const time = parseSubtitleTimestamp(match.slice(1, -1)); |
| 8811 |
const offsetTime = time - timestampMs; |
| 8812 |
return \`<\${formatSubtitleTimestamp(offsetTime)}>\`; |
| 8813 |
}); |
| 8814 |
const body = textEncoder.encode(bodyText); |
| 8815 |
const additions = \`\${cue.settings ?? ""} |
| 8816 |
\${cue.identifier ?? ""} |
| 8817 |
\${cue.notes ?? ""}\`; |
| 8818 |
const subtitleChunk = this.createInternalChunk(body, cue.timestamp, cue.duration, "key", additions.trim() ? textEncoder.encode(additions) : null); |
| 8819 |
trackData.chunkQueue.push(subtitleChunk); |
| 8820 |
await this.interleaveChunks(); |
| 8821 |
} finally { |
| 8822 |
release(); |
| 8823 |
} |
| 8824 |
} |
| 8825 |
async interleaveChunks(isFinalCall = false) { |
| 8826 |
if (!isFinalCall && !this.allTracksAreKnown()) { |
| 8827 |
return; |
| 8828 |
} |
| 8829 |
outer: while (true) { |
| 8830 |
let trackWithMinTimestamp = null; |
| 8831 |
let minTimestamp = Infinity; |
| 8832 |
for (const trackData of this.trackDatas) { |
| 8833 |
if (!isFinalCall && trackData.chunkQueue.length === 0 && !trackData.closed) { |
| 8834 |
break outer; |
| 8835 |
} |
| 8836 |
if (trackData.chunkQueue.length > 0 && trackData.chunkQueue[0].timestamp < minTimestamp) { |
| 8837 |
trackWithMinTimestamp = trackData; |
| 8838 |
minTimestamp = trackData.chunkQueue[0].timestamp; |
| 8839 |
} |
| 8840 |
} |
| 8841 |
if (!trackWithMinTimestamp) { |
| 8842 |
break; |
| 8843 |
} |
| 8844 |
const chunk = trackWithMinTimestamp.chunkQueue.shift(); |
| 8845 |
this.writeBlock(trackWithMinTimestamp, chunk); |
| 8846 |
} |
| 8847 |
if (!isFinalCall) { |
| 8848 |
await this.writer.flush(); |
| 8849 |
} |
| 8850 |
} |
| 8851 |
/** |
| 8852 |
* Due to [a bug in Chromium](https://bugs.chromium.org/p/chromium/issues/detail?id=1377842), VP9 streams often |
| 8853 |
* lack color space information. This method patches in that information. |
| 8854 |
*/ |
| 8855 |
fixVP9ColorSpace(trackData, chunk) { |
| 8856 |
if (chunk.type !== "key") |
| 8857 |
return; |
| 8858 |
if (!trackData.info.decoderConfig.colorSpace || !trackData.info.decoderConfig.colorSpace.matrix) |
| 8859 |
return; |
| 8860 |
const bitstream = new Bitstream(chunk.data); |
| 8861 |
bitstream.skipBits(2); |
| 8862 |
const profileLowBit = bitstream.readBits(1); |
| 8863 |
const profileHighBit = bitstream.readBits(1); |
| 8864 |
const profile = (profileHighBit << 1) + profileLowBit; |
| 8865 |
if (profile === 3) |
| 8866 |
bitstream.skipBits(1); |
| 8867 |
const showExistingFrame = bitstream.readBits(1); |
| 8868 |
if (showExistingFrame) |
| 8869 |
return; |
| 8870 |
const frameType = bitstream.readBits(1); |
| 8871 |
if (frameType !== 0) |
| 8872 |
return; |
| 8873 |
bitstream.skipBits(2); |
| 8874 |
const syncCode = bitstream.readBits(24); |
| 8875 |
if (syncCode !== 4817730) |
| 8876 |
return; |
| 8877 |
if (profile >= 2) |
| 8878 |
bitstream.skipBits(1); |
| 8879 |
const colorSpaceID = { |
| 8880 |
rgb: 7, |
| 8881 |
bt709: 2, |
| 8882 |
bt470bg: 1, |
| 8883 |
smpte170m: 3 |
| 8884 |
}[trackData.info.decoderConfig.colorSpace.matrix]; |
| 8885 |
writeBits(chunk.data, bitstream.pos, bitstream.pos + 3, colorSpaceID); |
| 8886 |
} |
| 8887 |
/** Converts a read-only external chunk into an internal one for easier use. */ |
| 8888 |
createInternalChunk(data, timestamp, duration, type, additions = null) { |
| 8889 |
const internalChunk = { |
| 8890 |
data, |
| 8891 |
type, |
| 8892 |
timestamp, |
| 8893 |
duration, |
| 8894 |
additions |
| 8895 |
}; |
| 8896 |
return internalChunk; |
| 8897 |
} |
| 8898 |
/** Writes a block containing media data to the file. */ |
| 8899 |
writeBlock(trackData, chunk) { |
| 8900 |
if (!this.segment) { |
| 8901 |
this.createSegment(); |
| 8902 |
} |
| 8903 |
const msTimestamp = Math.round(1e3 * chunk.timestamp); |
| 8904 |
const keyFrameQueuedEverywhere = this.trackDatas.every((otherTrackData) => { |
| 8905 |
if (trackData === otherTrackData) { |
| 8906 |
return chunk.type === "key"; |
| 8907 |
} |
| 8908 |
const firstQueuedSample = otherTrackData.chunkQueue[0]; |
| 8909 |
if (firstQueuedSample) { |
| 8910 |
return firstQueuedSample.type === "key"; |
| 8911 |
} |
| 8912 |
return otherTrackData.closed; |
| 8913 |
}); |
| 8914 |
let shouldCreateNewCluster = false; |
| 8915 |
if (!this.currentCluster) { |
| 8916 |
shouldCreateNewCluster = true; |
| 8917 |
} else { |
| 8918 |
assert(this.currentClusterStartMsTimestamp !== null); |
| 8919 |
assert(this.currentClusterMaxMsTimestamp !== null); |
| 8920 |
const relativeTimestamp2 = msTimestamp - this.currentClusterStartMsTimestamp; |
| 8921 |
shouldCreateNewCluster = keyFrameQueuedEverywhere && msTimestamp > this.currentClusterMaxMsTimestamp && relativeTimestamp2 >= 1e3 * (this.format._options.minimumClusterDuration ?? 1) || relativeTimestamp2 > MAX_CLUSTER_TIMESTAMP_MS; |
| 8922 |
} |
| 8923 |
if (shouldCreateNewCluster) { |
| 8924 |
this.createNewCluster(msTimestamp); |
| 8925 |
} |
| 8926 |
const relativeTimestamp = msTimestamp - this.currentClusterStartMsTimestamp; |
| 8927 |
if (relativeTimestamp < MIN_CLUSTER_TIMESTAMP_MS) { |
| 8928 |
return; |
| 8929 |
} |
| 8930 |
const prelude = new Uint8Array(4); |
| 8931 |
const view2 = new DataView(prelude.buffer); |
| 8932 |
view2.setUint8(0, 128 | trackData.track.id); |
| 8933 |
view2.setInt16(1, relativeTimestamp, false); |
| 8934 |
const msDuration = Math.round(1e3 * chunk.duration); |
| 8935 |
if (!chunk.additions) { |
| 8936 |
view2.setUint8(3, Number(chunk.type === "key") << 7); |
| 8937 |
const simpleBlock = { id: EBMLId.SimpleBlock, data: [ |
| 8938 |
prelude, |
| 8939 |
chunk.data |
| 8940 |
] }; |
| 8941 |
this.ebmlWriter.writeEBML(simpleBlock); |
| 8942 |
} else { |
| 8943 |
const blockGroup = { id: EBMLId.BlockGroup, data: [ |
| 8944 |
{ id: EBMLId.Block, data: [ |
| 8945 |
prelude, |
| 8946 |
chunk.data |
| 8947 |
] }, |
| 8948 |
chunk.type === "delta" ? { |
| 8949 |
id: EBMLId.ReferenceBlock, |
| 8950 |
data: new EBMLSignedInt(trackData.lastWrittenMsTimestamp - msTimestamp) |
| 8951 |
} : null, |
| 8952 |
chunk.additions ? { id: EBMLId.BlockAdditions, data: [ |
| 8953 |
{ id: EBMLId.BlockMore, data: [ |
| 8954 |
{ id: EBMLId.BlockAddID, data: 1 }, |
| 8955 |
// Some players expect BlockAddID to come first |
| 8956 |
{ id: EBMLId.BlockAdditional, data: chunk.additions } |
| 8957 |
] } |
| 8958 |
] } : null, |
| 8959 |
msDuration > 0 ? { id: EBMLId.BlockDuration, data: msDuration } : null |
| 8960 |
] }; |
| 8961 |
this.ebmlWriter.writeEBML(blockGroup); |
| 8962 |
} |
| 8963 |
this.startTimestamp = Math.min(this.startTimestamp, msTimestamp); |
| 8964 |
this.endTimestamp = Math.max(this.endTimestamp, msTimestamp + msDuration); |
| 8965 |
trackData.lastWrittenMsTimestamp = msTimestamp; |
| 8966 |
if (!this.trackDatasInCurrentCluster.has(trackData)) { |
| 8967 |
this.trackDatasInCurrentCluster.set(trackData, { |
| 8968 |
firstMsTimestamp: msTimestamp |
| 8969 |
}); |
| 8970 |
} |
| 8971 |
this.currentClusterMaxMsTimestamp = Math.max(this.currentClusterMaxMsTimestamp, msTimestamp); |
| 8972 |
} |
| 8973 |
/** Creates a new Cluster element to contain media chunks. */ |
| 8974 |
createNewCluster(msTimestamp) { |
| 8975 |
if (this.currentCluster) { |
| 8976 |
this.finalizeCurrentCluster(); |
| 8977 |
} |
| 8978 |
if (this.format._options.onCluster) { |
| 8979 |
this.writer.startTrackingWrites(); |
| 8980 |
} |
| 8981 |
this.currentCluster = { |
| 8982 |
id: EBMLId.Cluster, |
| 8983 |
size: this.format._options.appendOnly ? -1 : CLUSTER_SIZE_BYTES, |
| 8984 |
data: [ |
| 8985 |
{ id: EBMLId.Timestamp, data: msTimestamp } |
| 8986 |
] |
| 8987 |
}; |
| 8988 |
this.ebmlWriter.writeEBML(this.currentCluster); |
| 8989 |
this.currentClusterStartMsTimestamp = msTimestamp; |
| 8990 |
this.currentClusterMaxMsTimestamp = msTimestamp; |
| 8991 |
this.trackDatasInCurrentCluster.clear(); |
| 8992 |
} |
| 8993 |
finalizeCurrentCluster() { |
| 8994 |
assert(this.currentCluster); |
| 8995 |
if (!this.format._options.appendOnly) { |
| 8996 |
const clusterSize = this.writer.getPos() - this.ebmlWriter.dataOffsets.get(this.currentCluster); |
| 8997 |
const endPos = this.writer.getPos(); |
| 8998 |
this.writer.seek(this.ebmlWriter.offsets.get(this.currentCluster) + 4); |
| 8999 |
this.ebmlWriter.writeVarInt(clusterSize, CLUSTER_SIZE_BYTES); |
| 9000 |
this.writer.seek(endPos); |
| 9001 |
} |
| 9002 |
if (this.format._options.onCluster) { |
| 9003 |
assert(this.currentClusterStartMsTimestamp !== null); |
| 9004 |
const { data, start } = this.writer.stopTrackingWrites(); |
| 9005 |
this.format._options.onCluster(data, start, this.currentClusterStartMsTimestamp / 1e3); |
| 9006 |
} |
| 9007 |
const clusterOffsetFromSegment = this.ebmlWriter.offsets.get(this.currentCluster) - this.segmentDataOffset; |
| 9008 |
const groupedByTimestamp = /* @__PURE__ */ new Map(); |
| 9009 |
for (const [trackData, { firstMsTimestamp }] of this.trackDatasInCurrentCluster) { |
| 9010 |
if (!groupedByTimestamp.has(firstMsTimestamp)) { |
| 9011 |
groupedByTimestamp.set(firstMsTimestamp, []); |
| 9012 |
} |
| 9013 |
groupedByTimestamp.get(firstMsTimestamp).push(trackData); |
| 9014 |
} |
| 9015 |
const groupedAndSortedByTimestamp = [...groupedByTimestamp.entries()].sort((a2, b) => a2[0] - b[0]); |
| 9016 |
for (const [msTimestamp, trackDatas] of groupedAndSortedByTimestamp) { |
| 9017 |
assert(this.cues); |
| 9018 |
this.cues.data.push({ id: EBMLId.CuePoint, data: [ |
| 9019 |
{ id: EBMLId.CueTime, data: msTimestamp }, |
| 9020 |
// Create CueTrackPositions for each track that starts at this timestamp |
| 9021 |
...trackDatas.map((trackData) => { |
| 9022 |
return { id: EBMLId.CueTrackPositions, data: [ |
| 9023 |
{ id: EBMLId.CueTrack, data: trackData.track.id }, |
| 9024 |
{ id: EBMLId.CueClusterPosition, data: clusterOffsetFromSegment } |
| 9025 |
] }; |
| 9026 |
}) |
| 9027 |
] }); |
| 9028 |
} |
| 9029 |
} |
| 9030 |
// eslint-disable-next-line @typescript-eslint/no-misused-promises |
| 9031 |
async onTrackClose(track) { |
| 9032 |
const release = await this.mutex.acquire(); |
| 9033 |
const trackData = this.trackDatas.find((x) => x.track === track); |
| 9034 |
if (trackData) { |
| 9035 |
trackData.closed = true; |
| 9036 |
} |
| 9037 |
if (this.allTracksAreKnown()) { |
| 9038 |
this.allTracksKnown.resolve(); |
| 9039 |
} |
| 9040 |
await this.interleaveChunks(); |
| 9041 |
release(); |
| 9042 |
} |
| 9043 |
/** Finalizes the file, making it ready for use. Must be called after all media chunks have been added. */ |
| 9044 |
async finalize() { |
| 9045 |
const release = await this.mutex.acquire(); |
| 9046 |
this.allTracksKnown.resolve(); |
| 9047 |
for (const trackData of this.trackDatas) { |
| 9048 |
trackData.closed = true; |
| 9049 |
} |
| 9050 |
if (!this.segment) { |
| 9051 |
this.createSegment(); |
| 9052 |
} |
| 9053 |
await this.interleaveChunks(true); |
| 9054 |
if (this.currentCluster) { |
| 9055 |
this.finalizeCurrentCluster(); |
| 9056 |
} |
| 9057 |
assert(this.cues); |
| 9058 |
this.ebmlWriter.writeEBML(this.cues); |
| 9059 |
if (!this.format._options.appendOnly) { |
| 9060 |
const segmentSize = this.writer.getPos() - this.segmentDataOffset; |
| 9061 |
this.writer.seek(this.ebmlWriter.offsets.get(this.segment) + 4); |
| 9062 |
this.ebmlWriter.writeVarInt(segmentSize, SEGMENT_SIZE_BYTES); |
| 9063 |
const duration = this.startTimestamp === Infinity ? 0 : this.endTimestamp - this.startTimestamp; |
| 9064 |
this.segmentDuration.data = new EBMLFloat64(duration); |
| 9065 |
this.writer.seek(this.ebmlWriter.offsets.get(this.segmentDuration)); |
| 9066 |
this.ebmlWriter.writeEBML(this.segmentDuration); |
| 9067 |
assert(this.seekHead); |
| 9068 |
this.writer.seek(this.ebmlWriter.offsets.get(this.seekHead)); |
| 9069 |
this.maybeCreateSeekHead(true); |
| 9070 |
this.ebmlWriter.writeEBML(this.seekHead); |
| 9071 |
} |
| 9072 |
release(); |
| 9073 |
} |
| 9074 |
}; |
| 9075 |
|
| 9076 |
// node_modules/mediabunny/dist/modules/src/media-source.js |
| 9077 |
var MediaSource = class { |
| 9078 |
constructor() { |
| 9079 |
this._connectedTrack = null; |
| 9080 |
this._closingPromise = null; |
| 9081 |
this._closed = false; |
| 9082 |
} |
| 9083 |
/** @internal */ |
| 9084 |
_ensureValidAdd() { |
| 9085 |
if (!this._connectedTrack) { |
| 9086 |
throw new Error("Source is not connected to an output track."); |
| 9087 |
} |
| 9088 |
if (this._connectedTrack.output.state === "canceled") { |
| 9089 |
throw new Error("Output has been canceled."); |
| 9090 |
} |
| 9091 |
if (this._connectedTrack.output.state === "finalizing" || this._connectedTrack.output.state === "finalized") { |
| 9092 |
throw new Error("Output has been finalized."); |
| 9093 |
} |
| 9094 |
if (this._connectedTrack.output.state === "pending") { |
| 9095 |
throw new Error("Output has not started."); |
| 9096 |
} |
| 9097 |
if (this._closed) { |
| 9098 |
throw new Error("Source is closed."); |
| 9099 |
} |
| 9100 |
} |
| 9101 |
/** @internal */ |
| 9102 |
async _start() { |
| 9103 |
} |
| 9104 |
/** @internal */ |
| 9105 |
// eslint-disable-next-line @typescript-eslint/no-unused-vars |
| 9106 |
async _flushAndClose(forceClose) { |
| 9107 |
} |
| 9108 |
/** |
| 9109 |
* Closes this source. This prevents future samples from being added and signals to the output file that no further |
| 9110 |
* samples will come in for this track. Calling \`.close()\` is optional but recommended after adding the |
| 9111 |
* last sample - for improved performance and reduced memory usage. |
| 9112 |
*/ |
| 9113 |
close() { |
| 9114 |
if (this._closingPromise) { |
| 9115 |
return; |
| 9116 |
} |
| 9117 |
const connectedTrack = this._connectedTrack; |
| 9118 |
if (!connectedTrack) { |
| 9119 |
throw new Error("Cannot call close without connecting the source to an output track."); |
| 9120 |
} |
| 9121 |
if (connectedTrack.output.state === "pending") { |
| 9122 |
throw new Error("Cannot call close before output has been started."); |
| 9123 |
} |
| 9124 |
this._closingPromise = (async () => { |
| 9125 |
await this._flushAndClose(false); |
| 9126 |
this._closed = true; |
| 9127 |
if (connectedTrack.output.state === "finalizing" || connectedTrack.output.state === "finalized") { |
| 9128 |
return; |
| 9129 |
} |
| 9130 |
connectedTrack.output._muxer.onTrackClose(connectedTrack); |
| 9131 |
})(); |
| 9132 |
} |
| 9133 |
/** @internal */ |
| 9134 |
async _flushOrWaitForOngoingClose(forceClose) { |
| 9135 |
return this._closingPromise ??= (async () => { |
| 9136 |
await this._flushAndClose(forceClose); |
| 9137 |
this._closed = true; |
| 9138 |
})(); |
| 9139 |
} |
| 9140 |
}; |
| 9141 |
var VideoSource = class extends MediaSource { |
| 9142 |
/** Internal constructor. */ |
| 9143 |
constructor(codec) { |
| 9144 |
super(); |
| 9145 |
this._connectedTrack = null; |
| 9146 |
if (!VIDEO_CODECS.includes(codec)) { |
| 9147 |
throw new TypeError(\`Invalid video codec '\${codec}'. Must be one of: \${VIDEO_CODECS.join(", ")}.\`); |
| 9148 |
} |
| 9149 |
this._codec = codec; |
| 9150 |
} |
| 9151 |
}; |
| 9152 |
var maybeEnsureIsKeyPacket = (track, packet) => { |
| 9153 |
if (track.metadata.hasOnlyKeyPackets && packet.type !== "key") { |
| 9154 |
throw new Error("Cannot add non-key packets to a hasOnlyKeyPackets video track."); |
| 9155 |
} |
| 9156 |
}; |
| 9157 |
var VideoEncoderWrapper = class { |
| 9158 |
constructor(source, encodingConfig) { |
| 9159 |
this.source = source; |
| 9160 |
this.encodingConfig = encodingConfig; |
| 9161 |
this.ensureEncoderPromise = null; |
| 9162 |
this.encoderInitialized = false; |
| 9163 |
this.encoder = null; |
| 9164 |
this.muxer = null; |
| 9165 |
this.lastMultipleOfKeyFrameInterval = -1; |
| 9166 |
this.emittedEncoderPackets = 0; |
| 9167 |
this.codedWidth = null; |
| 9168 |
this.codedHeight = null; |
| 9169 |
this.outputWidth = null; |
| 9170 |
this.outputHeight = null; |
| 9171 |
this.frameRateLastSample = null; |
| 9172 |
this.frameRateLastTimestamp = null; |
| 9173 |
this.frameRateLastEndTimestamp = null; |
| 9174 |
this.preciseTimings = []; |
| 9175 |
this.customEncoder = null; |
| 9176 |
this.customEncoderCallSerializer = new CallSerializer(); |
| 9177 |
this.customEncoderQueueSize = 0; |
| 9178 |
this.alphaEncoder = null; |
| 9179 |
this.splitter = null; |
| 9180 |
this.splitterCreationFailed = false; |
| 9181 |
this.alphaFrameQueue = []; |
| 9182 |
this.error = null; |
| 9183 |
this.closed = false; |
| 9184 |
this.lastMuxerPromise = Promise.resolve(); |
| 9185 |
} |
| 9186 |
async add(videoSample, shouldClose, encodeOptions) { |
| 9187 |
const originalSample = videoSample; |
| 9188 |
try { |
| 9189 |
this.checkForEncoderError(); |
| 9190 |
this.source._ensureValidAdd(); |
| 9191 |
const config = this.encodingConfig; |
| 9192 |
const sizeChangeBehavior = config.sizeChangeBehavior ?? "deny"; |
| 9193 |
let isSizeChange = false; |
| 9194 |
if (this.codedWidth !== null && this.codedHeight !== null) { |
| 9195 |
if (videoSample.codedWidth !== this.codedWidth || videoSample.codedHeight !== this.codedHeight) { |
| 9196 |
isSizeChange = true; |
| 9197 |
if (sizeChangeBehavior === "deny") { |
| 9198 |
throw new Error(\`Video sample size must remain constant. Expected \${this.codedWidth}x\${this.codedHeight}, got \${videoSample.codedWidth}x\${videoSample.codedHeight}. To allow the sample size to change over time, set \\\`sizeChangeBehavior\\\` to a value other than 'deny' in the encoding options.\`); |
| 9199 |
} |
| 9200 |
} |
| 9201 |
} else { |
| 9202 |
this.codedWidth = videoSample.codedWidth; |
| 9203 |
this.codedHeight = videoSample.codedHeight; |
| 9204 |
} |
| 9205 |
const hasTransformConfig = config.transform?.width !== void 0 || config.transform?.height !== void 0 || config.transform?.rotate !== void 0 || config.transform?.crop !== void 0 || config.transform?.force === true; |
| 9206 |
const needsTransform = hasTransformConfig || isSizeChange && sizeChangeBehavior !== "passThrough"; |
| 9207 |
if (needsTransform) { |
| 9208 |
let targetWidth = config.transform?.width; |
| 9209 |
let targetHeight = config.transform?.height; |
| 9210 |
let appliedFit = config.transform?.fit ?? "fill"; |
| 9211 |
if (isSizeChange && sizeChangeBehavior !== "passThrough") { |
| 9212 |
assert(this.outputWidth); |
| 9213 |
assert(this.outputHeight); |
| 9214 |
assert(sizeChangeBehavior !== "deny"); |
| 9215 |
targetWidth = this.outputWidth; |
| 9216 |
targetHeight = this.outputHeight; |
| 9217 |
appliedFit = sizeChangeBehavior; |
| 9218 |
} |
| 9219 |
const transformed = await videoSample.transform({ |
| 9220 |
width: targetWidth, |
| 9221 |
height: targetHeight, |
| 9222 |
roundDimensionsTo: 2, |
| 9223 |
crop: config.transform?.crop, |
| 9224 |
rotate: config.transform?.rotate, |
| 9225 |
fit: appliedFit, |
| 9226 |
alpha: config.alpha |
| 9227 |
}); |
| 9228 |
if (this.outputWidth === null || this.outputHeight === null) { |
| 9229 |
this.outputWidth = transformed.displayWidth; |
| 9230 |
this.outputHeight = transformed.displayHeight; |
| 9231 |
} |
| 9232 |
if (shouldClose) { |
| 9233 |
videoSample.close(); |
| 9234 |
} |
| 9235 |
videoSample = transformed; |
| 9236 |
shouldClose = true; |
| 9237 |
} else { |
| 9238 |
if (this.outputWidth === null || this.outputHeight === null) { |
| 9239 |
this.outputWidth = videoSample.codedWidth; |
| 9240 |
this.outputHeight = videoSample.codedHeight; |
| 9241 |
} |
| 9242 |
} |
| 9243 |
const frameRate = config.transform?.frameRate; |
| 9244 |
if (frameRate !== void 0) { |
| 9245 |
const originalEndTimestamp = videoSample.timestamp + videoSample.duration; |
| 9246 |
const alignedTimestamp = floorToDivisor(videoSample.timestamp, frameRate); |
| 9247 |
if (this.frameRateLastSample !== null) { |
| 9248 |
if (alignedTimestamp <= this.frameRateLastTimestamp) { |
| 9249 |
this.frameRateLastSample.close(); |
| 9250 |
this.frameRateLastSample = videoSample.clone(); |
| 9251 |
this.frameRateLastEndTimestamp = originalEndTimestamp; |
| 9252 |
return; |
| 9253 |
} else { |
| 9254 |
await this.padFrameRate(alignedTimestamp, encodeOptions); |
| 9255 |
} |
| 9256 |
} |
| 9257 |
if (videoSample === originalSample) { |
| 9258 |
videoSample = videoSample.clone(); |
| 9259 |
shouldClose = true; |
| 9260 |
} |
| 9261 |
videoSample.setTimestamp(alignedTimestamp); |
| 9262 |
videoSample.setDuration(1 / frameRate); |
| 9263 |
this.frameRateLastSample?.close(); |
| 9264 |
this.frameRateLastSample = videoSample.clone(); |
| 9265 |
this.frameRateLastTimestamp = alignedTimestamp; |
| 9266 |
this.frameRateLastEndTimestamp = originalEndTimestamp; |
| 9267 |
} |
| 9268 |
await this.processAndEncode(videoSample, encodeOptions); |
| 9269 |
} finally { |
| 9270 |
if (shouldClose) { |
| 9271 |
videoSample.close(); |
| 9272 |
} |
| 9273 |
} |
| 9274 |
} |
| 9275 |
/** |
| 9276 |
* Runs the process function (if any) and encodes the resulting samples. |
| 9277 |
*/ |
| 9278 |
async processAndEncode(videoSample, encodeOptions) { |
| 9279 |
const config = this.encodingConfig; |
| 9280 |
let samplesToEncode; |
| 9281 |
if (config.transform?.process) { |
| 9282 |
let processed = config.transform.process(videoSample); |
| 9283 |
if (processed instanceof Promise) { |
| 9284 |
processed = await processed; |
| 9285 |
} |
| 9286 |
if (processed === null) { |
| 9287 |
return; |
| 9288 |
} |
| 9289 |
if (!Array.isArray(processed)) { |
| 9290 |
processed = [processed]; |
| 9291 |
} |
| 9292 |
samplesToEncode = processed.map((x) => { |
| 9293 |
if (x instanceof VideoSample) { |
| 9294 |
return x; |
| 9295 |
} |
| 9296 |
if (typeof VideoFrame !== "undefined" && x instanceof VideoFrame) { |
| 9297 |
return new VideoSample(x); |
| 9298 |
} |
| 9299 |
return new VideoSample(x, { |
| 9300 |
timestamp: videoSample.timestamp, |
| 9301 |
duration: videoSample.duration |
| 9302 |
}); |
| 9303 |
}); |
| 9304 |
} else { |
| 9305 |
samplesToEncode = [videoSample]; |
| 9306 |
} |
| 9307 |
try { |
| 9308 |
for (const sampleToEncode of samplesToEncode) { |
| 9309 |
if (!this.encoderInitialized) { |
| 9310 |
if (!this.ensureEncoderPromise) { |
| 9311 |
this.ensureEncoder(sampleToEncode); |
| 9312 |
} |
| 9313 |
if (!this.encoderInitialized) { |
| 9314 |
await this.ensureEncoderPromise; |
| 9315 |
} |
| 9316 |
} |
| 9317 |
assert(this.encoderInitialized); |
| 9318 |
if (this.closed) { |
| 9319 |
break; |
| 9320 |
} |
| 9321 |
const keyFrameInterval = this.encodingConfig.keyFrameInterval ?? 2; |
| 9322 |
const multipleOfKeyFrameInterval = Math.floor(sampleToEncode.timestamp / keyFrameInterval); |
| 9323 |
const mergedEncodeOptions = { ...sampleToEncode.encodeOptions, ...encodeOptions }; |
| 9324 |
const finalEncodeOptions = { |
| 9325 |
...mergedEncodeOptions, |
| 9326 |
keyFrame: mergedEncodeOptions.keyFrame !== void 0 ? mergedEncodeOptions.keyFrame : keyFrameInterval === 0 || multipleOfKeyFrameInterval !== this.lastMultipleOfKeyFrameInterval |
| 9327 |
}; |
| 9328 |
this.lastMultipleOfKeyFrameInterval = multipleOfKeyFrameInterval; |
| 9329 |
this.encodingConfig.onEncodedSample?.(sampleToEncode); |
| 9330 |
if (this.customEncoder) { |
| 9331 |
this.customEncoderQueueSize++; |
| 9332 |
const clonedSample = sampleToEncode.clone(); |
| 9333 |
const promise = this.customEncoderCallSerializer.call(() => this.customEncoder.encode(clonedSample, finalEncodeOptions)).then(() => this.customEncoderQueueSize--).catch((error) => this.error ??= error).finally(() => { |
| 9334 |
clonedSample.close(); |
| 9335 |
}); |
| 9336 |
if (this.customEncoderQueueSize >= 4) { |
| 9337 |
await promise; |
| 9338 |
} |
| 9339 |
} else { |
| 9340 |
assert(this.encoder); |
| 9341 |
const videoFrame = sampleToEncode.toVideoFrame(); |
| 9342 |
const preciseTimingIndex = binarySearchLessOrEqual(this.preciseTimings, videoFrame.timestamp, (x) => x.microsecondTimestamp); |
| 9343 |
const existingEntry = preciseTimingIndex !== -1 ? this.preciseTimings[preciseTimingIndex] : null; |
| 9344 |
if (existingEntry && existingEntry.microsecondTimestamp === videoFrame.timestamp) { |
| 9345 |
if (existingEntry.timestamp !== sampleToEncode.timestamp) { |
| 9346 |
existingEntry.timestampIsValid = false; |
| 9347 |
} |
| 9348 |
if (existingEntry.duration !== sampleToEncode.duration) { |
| 9349 |
existingEntry.durationIsValid = false; |
| 9350 |
} |
| 9351 |
} else { |
| 9352 |
this.preciseTimings.splice(preciseTimingIndex + 1, 0, { |
| 9353 |
microsecondTimestamp: videoFrame.timestamp, |
| 9354 |
timestamp: sampleToEncode.timestamp, |
| 9355 |
duration: sampleToEncode.duration, |
| 9356 |
timestampIsValid: true, |
| 9357 |
durationIsValid: true |
| 9358 |
}); |
| 9359 |
if (this.preciseTimings.length > 128) { |
| 9360 |
this.preciseTimings.shift(); |
| 9361 |
} |
| 9362 |
} |
| 9363 |
if (!this.alphaEncoder) { |
| 9364 |
this.encoder.encode(videoFrame, finalEncodeOptions); |
| 9365 |
videoFrame.close(); |
| 9366 |
} else { |
| 9367 |
const frameDefinitelyHasNoAlpha = !!videoFrame.format && !videoFrame.format.includes("A"); |
| 9368 |
if (frameDefinitelyHasNoAlpha || this.splitterCreationFailed) { |
| 9369 |
this.alphaFrameQueue.push(null); |
| 9370 |
this.encoder.encode(videoFrame, finalEncodeOptions); |
| 9371 |
videoFrame.close(); |
| 9372 |
} else { |
| 9373 |
const width = videoFrame.displayWidth; |
| 9374 |
const height = videoFrame.displayHeight; |
| 9375 |
if (!this.splitter) { |
| 9376 |
this.splitter = new ColorAlphaSplitter(width, height); |
| 9377 |
} |
| 9378 |
const { colorFrame, alphaFrame } = await this.splitter.update(videoFrame); |
| 9379 |
this.alphaFrameQueue.push(alphaFrame); |
| 9380 |
this.encoder.encode(colorFrame, finalEncodeOptions); |
| 9381 |
colorFrame.close(); |
| 9382 |
} |
| 9383 |
} |
| 9384 |
if (this.encoder.encodeQueueSize >= 4) { |
| 9385 |
await new Promise((resolve) => this.encoder.addEventListener("dequeue", resolve, { once: true })); |
| 9386 |
} |
| 9387 |
} |
| 9388 |
await this.lastMuxerPromise; |
| 9389 |
} |
| 9390 |
} finally { |
| 9391 |
for (const sample of samplesToEncode) { |
| 9392 |
if (sample !== videoSample) { |
| 9393 |
sample.close(); |
| 9394 |
} |
| 9395 |
} |
| 9396 |
} |
| 9397 |
} |
| 9398 |
/** Repeats the last frame rate sample to fill the gap up to the given timestamp. */ |
| 9399 |
async padFrameRate(until, encodeOptions) { |
| 9400 |
const frameRate = this.encodingConfig.transform.frameRate; |
| 9401 |
assert(this.frameRateLastSample); |
| 9402 |
const frameDifference = Math.round((until - this.frameRateLastTimestamp) * frameRate); |
| 9403 |
for (let i2 = 1; i2 < frameDifference; i2++) { |
| 9404 |
const sample = this.frameRateLastSample.clone(); |
| 9405 |
sample.setTimestamp(this.frameRateLastTimestamp + i2 / frameRate); |
| 9406 |
sample.setDuration(1 / frameRate); |
| 9407 |
await this.processAndEncode(sample, encodeOptions); |
| 9408 |
sample.close(); |
| 9409 |
} |
| 9410 |
} |
| 9411 |
ensureEncoder(videoSample) { |
| 9412 |
this.ensureEncoderPromise = (async () => { |
| 9413 |
const encoderConfig = buildVideoEncoderConfig({ |
| 9414 |
...this.encodingConfig, |
| 9415 |
width: videoSample.codedWidth, |
| 9416 |
height: videoSample.codedHeight, |
| 9417 |
squarePixelWidth: videoSample.squarePixelWidth, |
| 9418 |
squarePixelHeight: videoSample.squarePixelHeight, |
| 9419 |
framerate: this.source._connectedTrack?.metadata.frameRate |
| 9420 |
}); |
| 9421 |
this.encodingConfig.onEncoderConfig?.(encoderConfig); |
| 9422 |
const MatchingCustomEncoder = customVideoEncoders.find((x) => x.supports(this.encodingConfig.codec, encoderConfig)); |
| 9423 |
if (MatchingCustomEncoder) { |
| 9424 |
this.customEncoder = new MatchingCustomEncoder(); |
| 9425 |
this.customEncoder.codec = this.encodingConfig.codec; |
| 9426 |
this.customEncoder.config = encoderConfig; |
| 9427 |
this.customEncoder.onPacket = (packet, meta) => { |
| 9428 |
if (!(packet instanceof EncodedPacket)) { |
| 9429 |
throw new TypeError("The first argument passed to onPacket must be an EncodedPacket."); |
| 9430 |
} |
| 9431 |
if (meta !== void 0 && (!meta || typeof meta !== "object")) { |
| 9432 |
throw new TypeError("The second argument passed to onPacket must be an object or undefined."); |
| 9433 |
} |
| 9434 |
maybeEnsureIsKeyPacket(this.source._connectedTrack, packet); |
| 9435 |
this.encodingConfig.onEncodedPacket?.(packet, meta); |
| 9436 |
this.lastMuxerPromise = this.muxer.addEncodedVideoPacket(this.source._connectedTrack, packet, meta).catch((error) => { |
| 9437 |
this.error ??= error; |
| 9438 |
}); |
| 9439 |
}; |
| 9440 |
await this.customEncoder.init(); |
| 9441 |
} else { |
| 9442 |
if (typeof VideoEncoder === "undefined") { |
| 9443 |
throw new Error("VideoEncoder is not supported by this browser."); |
| 9444 |
} |
| 9445 |
encoderConfig.alpha = "discard"; |
| 9446 |
if (this.encodingConfig.alpha === "keep") { |
| 9447 |
encoderConfig.latencyMode = "quality"; |
| 9448 |
} |
| 9449 |
const hasOddDimension = encoderConfig.width % 2 === 1 || encoderConfig.height % 2 === 1; |
| 9450 |
if (hasOddDimension && (this.encodingConfig.codec === "avc" || this.encodingConfig.codec === "hevc")) { |
| 9451 |
throw new Error(\`The dimensions \${encoderConfig.width}x\${encoderConfig.height} are not supported for codec '\${this.encodingConfig.codec}'; both width and height must be even numbers. Make sure to round your dimensions to the nearest even number.\`); |
| 9452 |
} |
| 9453 |
const support = await VideoEncoder.isConfigSupported(encoderConfig); |
| 9454 |
if (!support.supported) { |
| 9455 |
throw new Error(\`This specific encoder configuration (\${encoderConfig.codec}, \${encoderConfig.bitrate} bps, \${encoderConfig.width}x\${encoderConfig.height}, hardware acceleration: \${encoderConfig.hardwareAcceleration ?? "no-preference"}) is not supported by this browser. Consider using another codec or changing your video parameters.\`); |
| 9456 |
} |
| 9457 |
const colorChunkQueue = []; |
| 9458 |
const nullAlphaChunkQueue = []; |
| 9459 |
let encodedAlphaChunkCount = 0; |
| 9460 |
let alphaEncoderQueue = 0; |
| 9461 |
const addPacket = (colorChunk, alphaChunk, meta) => { |
| 9462 |
const sideData = {}; |
| 9463 |
if (alphaChunk) { |
| 9464 |
const alphaData = new Uint8Array(alphaChunk.byteLength); |
| 9465 |
alphaChunk.copyTo(alphaData); |
| 9466 |
sideData.alpha = alphaData; |
| 9467 |
} |
| 9468 |
let packet = EncodedPacket.fromEncodedChunk(colorChunk, sideData); |
| 9469 |
const preciseTimingIndex = binarySearchLessOrEqual(this.preciseTimings, colorChunk.timestamp, (x) => x.microsecondTimestamp); |
| 9470 |
const entry = preciseTimingIndex !== -1 ? this.preciseTimings[preciseTimingIndex] : null; |
| 9471 |
let actualType = null; |
| 9472 |
if (this.emittedEncoderPackets === 0 && packet.type === "delta" && meta?.decoderConfig) { |
| 9473 |
actualType = determineVideoPacketType(this.encodingConfig.codec, meta.decoderConfig, packet.data); |
| 9474 |
} |
| 9475 |
if (entry && entry.microsecondTimestamp === colorChunk.timestamp || actualType !== null) { |
| 9476 |
packet = packet.clone({ |
| 9477 |
timestamp: entry?.timestampIsValid ? entry.timestamp : void 0, |
| 9478 |
duration: entry?.durationIsValid ? entry.duration : void 0, |
| 9479 |
type: actualType ?? void 0 |
| 9480 |
}); |
| 9481 |
} |
| 9482 |
maybeEnsureIsKeyPacket(this.source._connectedTrack, packet); |
| 9483 |
this.encodingConfig.onEncodedPacket?.(packet, meta); |
| 9484 |
this.lastMuxerPromise = this.muxer.addEncodedVideoPacket(this.source._connectedTrack, packet, meta).catch((error) => { |
| 9485 |
this.error ??= error; |
| 9486 |
}); |
| 9487 |
this.emittedEncoderPackets++; |
| 9488 |
}; |
| 9489 |
const stack = new Error("Encoding error").stack; |
| 9490 |
this.encoder = new VideoEncoder({ |
| 9491 |
output: (chunk, meta) => { |
| 9492 |
if (!this.alphaEncoder) { |
| 9493 |
addPacket(chunk, null, meta); |
| 9494 |
return; |
| 9495 |
} |
| 9496 |
const alphaFrame = this.alphaFrameQueue.shift(); |
| 9497 |
assert(alphaFrame !== void 0); |
| 9498 |
if (alphaFrame) { |
| 9499 |
this.alphaEncoder.encode(alphaFrame, { |
| 9500 |
// Crucial: The alpha frame is forced to be a key frame whenever the color frame |
| 9501 |
// also is. Without this, playback can glitch and even crash in some browsers. |
| 9502 |
// This is the reason why the two encoders are wired in series and not in parallel. |
| 9503 |
keyFrame: chunk.type === "key" |
| 9504 |
}); |
| 9505 |
alphaEncoderQueue++; |
| 9506 |
alphaFrame.close(); |
| 9507 |
colorChunkQueue.push({ chunk, meta }); |
| 9508 |
} else { |
| 9509 |
if (alphaEncoderQueue === 0) { |
| 9510 |
addPacket(chunk, null, meta); |
| 9511 |
} else { |
| 9512 |
nullAlphaChunkQueue.push(encodedAlphaChunkCount + alphaEncoderQueue); |
| 9513 |
colorChunkQueue.push({ chunk, meta }); |
| 9514 |
} |
| 9515 |
} |
| 9516 |
}, |
| 9517 |
error: (error) => { |
| 9518 |
error.stack = stack; |
| 9519 |
this.error ??= error; |
| 9520 |
} |
| 9521 |
}); |
| 9522 |
this.encoder.configure(encoderConfig); |
| 9523 |
if (this.encodingConfig.alpha === "keep") { |
| 9524 |
const stack2 = new Error("Encoding error").stack; |
| 9525 |
this.alphaEncoder = new VideoEncoder({ |
| 9526 |
// We ignore the alpha chunk's metadata |
| 9527 |
// eslint-disable-next-line @typescript-eslint/no-unused-vars |
| 9528 |
output: (chunk, meta) => { |
| 9529 |
alphaEncoderQueue--; |
| 9530 |
const colorChunk = colorChunkQueue.shift(); |
| 9531 |
assert(colorChunk !== void 0); |
| 9532 |
addPacket(colorChunk.chunk, chunk, colorChunk.meta); |
| 9533 |
encodedAlphaChunkCount++; |
| 9534 |
while (nullAlphaChunkQueue.length > 0 && nullAlphaChunkQueue[0] === encodedAlphaChunkCount) { |
| 9535 |
nullAlphaChunkQueue.shift(); |
| 9536 |
const colorChunk2 = colorChunkQueue.shift(); |
| 9537 |
assert(colorChunk2 !== void 0); |
| 9538 |
addPacket(colorChunk2.chunk, null, colorChunk2.meta); |
| 9539 |
} |
| 9540 |
}, |
| 9541 |
error: (error) => { |
| 9542 |
error.stack = stack2; |
| 9543 |
this.error ??= error; |
| 9544 |
} |
| 9545 |
}); |
| 9546 |
this.alphaEncoder.configure(encoderConfig); |
| 9547 |
} |
| 9548 |
} |
| 9549 |
assert(this.source._connectedTrack); |
| 9550 |
this.muxer = this.source._connectedTrack.output._muxer; |
| 9551 |
this.encoderInitialized = true; |
| 9552 |
})(); |
| 9553 |
} |
| 9554 |
async flushAndClose(forceClose) { |
| 9555 |
if (!forceClose) { |
| 9556 |
this.checkForEncoderError(); |
| 9557 |
} |
| 9558 |
if (!forceClose && this.frameRateLastSample) { |
| 9559 |
const frameRate = this.encodingConfig.transform.frameRate; |
| 9560 |
const alignedEnd = floorToDivisor(this.frameRateLastEndTimestamp, frameRate); |
| 9561 |
await this.padFrameRate(alignedEnd); |
| 9562 |
} |
| 9563 |
this.closed = true; |
| 9564 |
this.frameRateLastSample?.close(); |
| 9565 |
this.frameRateLastSample = null; |
| 9566 |
if (this.customEncoder) { |
| 9567 |
if (!forceClose) { |
| 9568 |
void this.customEncoderCallSerializer.call(() => this.customEncoder.flush()); |
| 9569 |
} |
| 9570 |
await this.customEncoderCallSerializer.call(() => this.customEncoder.close()); |
| 9571 |
} else if (this.encoder) { |
| 9572 |
if (!forceClose) { |
| 9573 |
await this.encoder.flush(); |
| 9574 |
await this.alphaEncoder?.flush(); |
| 9575 |
} |
| 9576 |
if (this.encoder.state !== "closed") { |
| 9577 |
this.encoder.close(); |
| 9578 |
} |
| 9579 |
if (this.alphaEncoder && this.alphaEncoder.state !== "closed") { |
| 9580 |
this.alphaEncoder.close(); |
| 9581 |
} |
| 9582 |
this.alphaFrameQueue.forEach((x) => x?.close()); |
| 9583 |
this.splitter?.close(); |
| 9584 |
} |
| 9585 |
if (!forceClose) { |
| 9586 |
this.checkForEncoderError(); |
| 9587 |
} |
| 9588 |
} |
| 9589 |
getQueueSize() { |
| 9590 |
if (this.customEncoder) { |
| 9591 |
return this.customEncoderQueueSize; |
| 9592 |
} else { |
| 9593 |
return this.encoder?.encodeQueueSize ?? 0; |
| 9594 |
} |
| 9595 |
} |
| 9596 |
checkForEncoderError() { |
| 9597 |
if (this.error) { |
| 9598 |
throw this.error; |
| 9599 |
} |
| 9600 |
} |
| 9601 |
}; |
| 9602 |
var splitterGpuUnavailable = false; |
| 9603 |
var ColorAlphaSplitter = class _ColorAlphaSplitter { |
| 9604 |
constructor(initialWidth, initialHeight) { |
| 9605 |
this.canvas = null; |
| 9606 |
this.gl = null; |
| 9607 |
this.colorProgram = null; |
| 9608 |
this.alphaProgram = null; |
| 9609 |
this.vao = null; |
| 9610 |
this.sourceTexture = null; |
| 9611 |
this.alphaResolutionLocation = null; |
| 9612 |
this.worker = null; |
| 9613 |
this.pendingRequests = /* @__PURE__ */ new Map(); |
| 9614 |
this.nextRequestId = 0; |
| 9615 |
const canMakeCanvas = typeof OffscreenCanvas !== "undefined" || typeof document !== "undefined" && typeof document.createElement === "function"; |
| 9616 |
if (!_ColorAlphaSplitter.forceCpu && canMakeCanvas && !splitterGpuUnavailable) { |
| 9617 |
try { |
| 9618 |
if (typeof OffscreenCanvas !== "undefined") { |
| 9619 |
this.canvas = new OffscreenCanvas(initialWidth, initialHeight); |
| 9620 |
} else { |
| 9621 |
this.canvas = document.createElement("canvas"); |
| 9622 |
this.canvas.width = initialWidth; |
| 9623 |
this.canvas.height = initialHeight; |
| 9624 |
} |
| 9625 |
const gl = this.canvas.getContext("webgl2", { |
| 9626 |
alpha: true |
| 9627 |
// Needed due to the YUV thing we do for alpha |
| 9628 |
}); |
| 9629 |
if (!gl) { |
| 9630 |
throw new Error("Couldn't acquire WebGL 2 context."); |
| 9631 |
} |
| 9632 |
this.gl = gl; |
| 9633 |
this.colorProgram = this.createColorProgram(); |
| 9634 |
this.alphaProgram = this.createAlphaProgram(); |
| 9635 |
this.vao = this.createVAO(); |
| 9636 |
this.sourceTexture = this.createTexture(); |
| 9637 |
this.alphaResolutionLocation = this.gl.getUniformLocation(this.alphaProgram, "u_resolution"); |
| 9638 |
this.gl.useProgram(this.colorProgram); |
| 9639 |
this.gl.uniform1i(this.gl.getUniformLocation(this.colorProgram, "u_sourceTexture"), 0); |
| 9640 |
this.gl.useProgram(this.alphaProgram); |
| 9641 |
this.gl.uniform1i(this.gl.getUniformLocation(this.alphaProgram, "u_sourceTexture"), 0); |
| 9642 |
} catch (error) { |
| 9643 |
this.gl = null; |
| 9644 |
this.canvas = null; |
| 9645 |
splitterGpuUnavailable = true; |
| 9646 |
Logging._warn("Falling back to CPU for color/alpha splitting.", error); |
| 9647 |
} |
| 9648 |
} |
| 9649 |
} |
| 9650 |
async update(sourceFrame) { |
| 9651 |
if (this.gl) { |
| 9652 |
return this.updateGpu(sourceFrame); |
| 9653 |
} else { |
| 9654 |
return this.updateCpu(sourceFrame); |
| 9655 |
} |
| 9656 |
} |
| 9657 |
updateGpu(sourceFrame) { |
| 9658 |
assert(this.gl); |
| 9659 |
assert(this.canvas); |
| 9660 |
if (sourceFrame.displayWidth !== this.canvas.width || sourceFrame.displayHeight !== this.canvas.height) { |
| 9661 |
this.canvas.width = sourceFrame.displayWidth; |
| 9662 |
this.canvas.height = sourceFrame.displayHeight; |
| 9663 |
} |
| 9664 |
this.gl.activeTexture(this.gl.TEXTURE0); |
| 9665 |
this.gl.bindTexture(this.gl.TEXTURE_2D, this.sourceTexture); |
| 9666 |
this.gl.texImage2D(this.gl.TEXTURE_2D, 0, this.gl.RGBA, this.gl.RGBA, this.gl.UNSIGNED_BYTE, sourceFrame); |
| 9667 |
const colorFrame = this.runColorProgram(sourceFrame); |
| 9668 |
const alphaFrame = this.runAlphaProgram(sourceFrame); |
| 9669 |
sourceFrame.close(); |
| 9670 |
return { colorFrame, alphaFrame }; |
| 9671 |
} |
| 9672 |
createVertexShader() { |
| 9673 |
assert(this.gl); |
| 9674 |
return this.createShader(this.gl.VERTEX_SHADER, \`#version 300 es |
| 9675 |
in vec2 a_position; |
| 9676 |
in vec2 a_texCoord; |
| 9677 |
out vec2 v_texCoord; |
| 9678 |
|
| 9679 |
void main() { |
| 9680 |
gl_Position = vec4(a_position, 0.0, 1.0); |
| 9681 |
v_texCoord = a_texCoord; |
| 9682 |
} |
| 9683 |
\`); |
| 9684 |
} |
| 9685 |
createColorProgram() { |
| 9686 |
assert(this.gl); |
| 9687 |
const vertexShader = this.createVertexShader(); |
| 9688 |
const fragmentShader = this.createShader(this.gl.FRAGMENT_SHADER, \`#version 300 es |
| 9689 |
precision highp float; |
| 9690 |
|
| 9691 |
uniform sampler2D u_sourceTexture; |
| 9692 |
in vec2 v_texCoord; |
| 9693 |
out vec4 fragColor; |
| 9694 |
|
| 9695 |
void main() { |
| 9696 |
vec4 source = texture(u_sourceTexture, v_texCoord); |
| 9697 |
fragColor = vec4(source.rgb, 1.0); |
| 9698 |
} |
| 9699 |
\`); |
| 9700 |
const program = this.gl.createProgram(); |
| 9701 |
this.gl.attachShader(program, vertexShader); |
| 9702 |
this.gl.attachShader(program, fragmentShader); |
| 9703 |
this.gl.linkProgram(program); |
| 9704 |
return program; |
| 9705 |
} |
| 9706 |
createAlphaProgram() { |
| 9707 |
assert(this.gl); |
| 9708 |
const vertexShader = this.createVertexShader(); |
| 9709 |
const fragmentShader = this.createShader(this.gl.FRAGMENT_SHADER, \`#version 300 es |
| 9710 |
precision highp float; |
| 9711 |
|
| 9712 |
uniform sampler2D u_sourceTexture; |
| 9713 |
uniform vec2 u_resolution; // The width and height of the canvas |
| 9714 |
in vec2 v_texCoord; |
| 9715 |
out vec4 fragColor; |
| 9716 |
|
| 9717 |
// This function determines the value for a single byte in the YUV stream |
| 9718 |
float getByteValue(float byteOffset) { |
| 9719 |
float width = u_resolution.x; |
| 9720 |
float height = u_resolution.y; |
| 9721 |
|
| 9722 |
float yPlaneSize = width * height; |
| 9723 |
|
| 9724 |
if (byteOffset < yPlaneSize) { |
| 9725 |
// This byte is in the luma plane. Find the corresponding pixel coordinates to sample from |
| 9726 |
float y = floor(byteOffset / width); |
| 9727 |
float x = mod(byteOffset, width); |
| 9728 |
|
| 9729 |
// Add 0.5 to sample the center of the texel |
| 9730 |
vec2 sampleCoord = (vec2(x, y) + 0.5) / u_resolution; |
| 9731 |
|
| 9732 |
// The luma value is the alpha from the source texture |
| 9733 |
return texture(u_sourceTexture, sampleCoord).a; |
| 9734 |
} else { |
| 9735 |
// Write a fixed value for chroma and beyond |
| 9736 |
return 128.0 / 255.0; |
| 9737 |
} |
| 9738 |
} |
| 9739 |
|
| 9740 |
void main() { |
| 9741 |
// Each fragment writes 4 bytes (R, G, B, A) |
| 9742 |
float pixelIndex = floor(gl_FragCoord.y) * u_resolution.x + floor(gl_FragCoord.x); |
| 9743 |
float baseByteOffset = pixelIndex * 4.0; |
| 9744 |
|
| 9745 |
vec4 result; |
| 9746 |
for (int i = 0; i < 4; i++) { |
| 9747 |
float currentByteOffset = baseByteOffset + float(i); |
| 9748 |
result[i] = getByteValue(currentByteOffset); |
| 9749 |
} |
| 9750 |
|
| 9751 |
fragColor = result; |
| 9752 |
} |
| 9753 |
\`); |
| 9754 |
const program = this.gl.createProgram(); |
| 9755 |
this.gl.attachShader(program, vertexShader); |
| 9756 |
this.gl.attachShader(program, fragmentShader); |
| 9757 |
this.gl.linkProgram(program); |
| 9758 |
return program; |
| 9759 |
} |
| 9760 |
createShader(type, source) { |
| 9761 |
assert(this.gl); |
| 9762 |
const shader = this.gl.createShader(type); |
| 9763 |
this.gl.shaderSource(shader, source); |
| 9764 |
this.gl.compileShader(shader); |
| 9765 |
if (!this.gl.getShaderParameter(shader, this.gl.COMPILE_STATUS)) { |
| 9766 |
Logging._error("Shader compile error:", this.gl.getShaderInfoLog(shader)); |
| 9767 |
} |
| 9768 |
return shader; |
| 9769 |
} |
| 9770 |
createVAO() { |
| 9771 |
assert(this.gl); |
| 9772 |
assert(this.colorProgram); |
| 9773 |
const vao = this.gl.createVertexArray(); |
| 9774 |
this.gl.bindVertexArray(vao); |
| 9775 |
const vertices = new Float32Array([ |
| 9776 |
-1, |
| 9777 |
-1, |
| 9778 |
0, |
| 9779 |
1, |
| 9780 |
1, |
| 9781 |
-1, |
| 9782 |
1, |
| 9783 |
1, |
| 9784 |
-1, |
| 9785 |
1, |
| 9786 |
0, |
| 9787 |
0, |
| 9788 |
1, |
| 9789 |
1, |
| 9790 |
1, |
| 9791 |
0 |
| 9792 |
]); |
| 9793 |
const buffer = this.gl.createBuffer(); |
| 9794 |
this.gl.bindBuffer(this.gl.ARRAY_BUFFER, buffer); |
| 9795 |
this.gl.bufferData(this.gl.ARRAY_BUFFER, vertices, this.gl.STATIC_DRAW); |
| 9796 |
const positionLocation = this.gl.getAttribLocation(this.colorProgram, "a_position"); |
| 9797 |
const texCoordLocation = this.gl.getAttribLocation(this.colorProgram, "a_texCoord"); |
| 9798 |
this.gl.enableVertexAttribArray(positionLocation); |
| 9799 |
this.gl.vertexAttribPointer(positionLocation, 2, this.gl.FLOAT, false, 16, 0); |
| 9800 |
this.gl.enableVertexAttribArray(texCoordLocation); |
| 9801 |
this.gl.vertexAttribPointer(texCoordLocation, 2, this.gl.FLOAT, false, 16, 8); |
| 9802 |
return vao; |
| 9803 |
} |
| 9804 |
createTexture() { |
| 9805 |
assert(this.gl); |
| 9806 |
const texture = this.gl.createTexture(); |
| 9807 |
this.gl.bindTexture(this.gl.TEXTURE_2D, texture); |
| 9808 |
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_S, this.gl.CLAMP_TO_EDGE); |
| 9809 |
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_T, this.gl.CLAMP_TO_EDGE); |
| 9810 |
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MIN_FILTER, this.gl.LINEAR); |
| 9811 |
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MAG_FILTER, this.gl.LINEAR); |
| 9812 |
return texture; |
| 9813 |
} |
| 9814 |
runColorProgram(sourceFrame) { |
| 9815 |
assert(this.gl); |
| 9816 |
assert(this.canvas); |
| 9817 |
this.gl.useProgram(this.colorProgram); |
| 9818 |
this.gl.viewport(0, 0, this.canvas.width, this.canvas.height); |
| 9819 |
this.gl.clear(this.gl.COLOR_BUFFER_BIT); |
| 9820 |
this.gl.bindVertexArray(this.vao); |
| 9821 |
this.gl.drawArrays(this.gl.TRIANGLE_STRIP, 0, 4); |
| 9822 |
return new VideoFrame(this.canvas, { |
| 9823 |
timestamp: sourceFrame.timestamp, |
| 9824 |
duration: sourceFrame.duration ?? void 0, |
| 9825 |
alpha: "discard" |
| 9826 |
}); |
| 9827 |
} |
| 9828 |
runAlphaProgram(sourceFrame) { |
| 9829 |
assert(this.gl); |
| 9830 |
assert(this.canvas); |
| 9831 |
this.gl.useProgram(this.alphaProgram); |
| 9832 |
this.gl.uniform2f(this.alphaResolutionLocation, this.canvas.width, this.canvas.height); |
| 9833 |
this.gl.viewport(0, 0, this.canvas.width, this.canvas.height); |
| 9834 |
this.gl.clear(this.gl.COLOR_BUFFER_BIT); |
| 9835 |
this.gl.bindVertexArray(this.vao); |
| 9836 |
this.gl.drawArrays(this.gl.TRIANGLE_STRIP, 0, 4); |
| 9837 |
const { width, height } = this.canvas; |
| 9838 |
const chromaSamples = Math.ceil(width / 2) * Math.ceil(height / 2); |
| 9839 |
const yuvSize = width * height + chromaSamples * 2; |
| 9840 |
const requiredHeight = Math.ceil(yuvSize / (width * 4)); |
| 9841 |
let yuv = new Uint8Array(4 * width * requiredHeight); |
| 9842 |
this.gl.readPixels(0, 0, width, requiredHeight, this.gl.RGBA, this.gl.UNSIGNED_BYTE, yuv); |
| 9843 |
yuv = yuv.subarray(0, yuvSize); |
| 9844 |
assert(yuv[width * height] === 128); |
| 9845 |
assert(yuv[yuv.length - 1] === 128); |
| 9846 |
const init = { |
| 9847 |
format: "I420", |
| 9848 |
codedWidth: width, |
| 9849 |
codedHeight: height, |
| 9850 |
timestamp: sourceFrame.timestamp, |
| 9851 |
duration: sourceFrame.duration ?? void 0, |
| 9852 |
transfer: [yuv.buffer] |
| 9853 |
}; |
| 9854 |
return new VideoFrame(yuv, init); |
| 9855 |
} |
| 9856 |
updateCpu(sourceFrame) { |
| 9857 |
if (!this.worker) { |
| 9858 |
const blob = new Blob([\`(\${colorAlphaSplitterWorkerCode.toString()})()\`], { type: "application/javascript" }); |
| 9859 |
const url2 = URL.createObjectURL(blob); |
| 9860 |
this.worker = new Worker(url2); |
| 9861 |
URL.revokeObjectURL(url2); |
| 9862 |
this.worker.addEventListener("message", (event) => { |
| 9863 |
const data = event.data; |
| 9864 |
const pending2 = this.pendingRequests.get(data.id); |
| 9865 |
if (!pending2) { |
| 9866 |
return; |
| 9867 |
} |
| 9868 |
this.pendingRequests.delete(data.id); |
| 9869 |
if ("error" in data) { |
| 9870 |
pending2.reject(new Error(data.error)); |
| 9871 |
} else { |
| 9872 |
pending2.resolve({ colorFrame: data.colorFrame, alphaFrame: data.alphaFrame }); |
| 9873 |
} |
| 9874 |
}); |
| 9875 |
this.worker.addEventListener("error", (event) => { |
| 9876 |
const error = new Error(event.message || "Color/alpha splitter worker error."); |
| 9877 |
for (const pending2 of this.pendingRequests.values()) { |
| 9878 |
pending2.reject(error); |
| 9879 |
} |
| 9880 |
this.pendingRequests.clear(); |
| 9881 |
}); |
| 9882 |
} |
| 9883 |
const id = this.nextRequestId++; |
| 9884 |
const pending = promiseWithResolvers(); |
| 9885 |
this.pendingRequests.set(id, pending); |
| 9886 |
this.worker.postMessage({ id, sourceFrame }, { transfer: [sourceFrame] }); |
| 9887 |
return pending.promise; |
| 9888 |
} |
| 9889 |
close() { |
| 9890 |
this.gl?.getExtension("WEBGL_lose_context")?.loseContext(); |
| 9891 |
this.gl = null; |
| 9892 |
this.canvas = null; |
| 9893 |
this.worker?.terminate(); |
| 9894 |
this.worker = null; |
| 9895 |
const error = new Error("Color/alpha splitter closed."); |
| 9896 |
for (const pending of this.pendingRequests.values()) { |
| 9897 |
pending.reject(error); |
| 9898 |
} |
| 9899 |
this.pendingRequests.clear(); |
| 9900 |
} |
| 9901 |
}; |
| 9902 |
ColorAlphaSplitter.forceCpu = true; |
| 9903 |
var colorAlphaSplitterWorkerCode = () => { |
| 9904 |
let cpuSourceBuffer = null; |
| 9905 |
let chain = Promise.resolve(); |
| 9906 |
self.addEventListener("message", (event) => { |
| 9907 |
const { id, sourceFrame } = event.data; |
| 9908 |
chain = chain.then(async () => { |
| 9909 |
try { |
| 9910 |
const { colorFrame, alphaFrame } = await split(sourceFrame); |
| 9911 |
self.postMessage({ id, colorFrame, alphaFrame }, { transfer: [colorFrame, alphaFrame] }); |
| 9912 |
} catch (error) { |
| 9913 |
self.postMessage({ id, error: error.message }); |
| 9914 |
} finally { |
| 9915 |
sourceFrame.close(); |
| 9916 |
} |
| 9917 |
}); |
| 9918 |
}); |
| 9919 |
const split = async (sourceFrame) => { |
| 9920 |
const format = sourceFrame.format; |
| 9921 |
if (!format) { |
| 9922 |
throw new Error("CPU color/alpha splitting requires a known VideoFrame format."); |
| 9923 |
} |
| 9924 |
const width = sourceFrame.codedWidth; |
| 9925 |
const height = sourceFrame.codedHeight; |
| 9926 |
const sourceSize = sourceFrame.allocationSize(); |
| 9927 |
if (!cpuSourceBuffer || cpuSourceBuffer.byteLength !== sourceSize) { |
| 9928 |
cpuSourceBuffer = new Uint8Array(sourceSize); |
| 9929 |
} |
| 9930 |
await sourceFrame.copyTo(cpuSourceBuffer); |
| 9931 |
if (format === "RGBA" || format === "BGRA") { |
| 9932 |
return splitInterleavedRgba(cpuSourceBuffer, width, height, format, sourceFrame); |
| 9933 |
} else if (format === "I420A" || format === "I420AP10" || format === "I420AP12" || format === "I422A" || format === "I422AP10" || format === "I422AP12" || format === "I444A" || format === "I444AP10" || format === "I444AP12") { |
| 9934 |
return splitPlanarYuvA(cpuSourceBuffer, width, height, format, sourceFrame); |
| 9935 |
} |
| 9936 |
throw new Error(\`CPU color/alpha splitting does not support format '\${format}'.\`); |
| 9937 |
}; |
| 9938 |
const splitInterleavedRgba = (source, width, height, format, sourceFrame) => { |
| 9939 |
const pixelCount = width * height; |
| 9940 |
const chromaW = Math.ceil(width / 2); |
| 9941 |
const chromaH = Math.ceil(height / 2); |
| 9942 |
const alphaSize = pixelCount + chromaW * chromaH * 2; |
| 9943 |
const alphaBuffer = new Uint8Array(alphaSize); |
| 9944 |
for (let i2 = 0, j = 3; i2 < pixelCount; i2++, j += 4) { |
| 9945 |
alphaBuffer[i2] = source[j]; |
| 9946 |
} |
| 9947 |
alphaBuffer.fill(128, pixelCount); |
| 9948 |
const colorFrame = new VideoFrame(source, { |
| 9949 |
format: format === "RGBA" ? "RGBX" : "BGRX", |
| 9950 |
codedWidth: width, |
| 9951 |
codedHeight: height, |
| 9952 |
timestamp: sourceFrame.timestamp, |
| 9953 |
duration: sourceFrame.duration ?? void 0 |
| 9954 |
// No transfer! |
| 9955 |
}); |
| 9956 |
const alphaInit = { |
| 9957 |
format: "I420", |
| 9958 |
codedWidth: width, |
| 9959 |
codedHeight: height, |
| 9960 |
timestamp: sourceFrame.timestamp, |
| 9961 |
duration: sourceFrame.duration ?? void 0, |
| 9962 |
transfer: [alphaBuffer.buffer] |
| 9963 |
}; |
| 9964 |
const alphaFrame = new VideoFrame(alphaBuffer, alphaInit); |
| 9965 |
return { colorFrame, alphaFrame }; |
| 9966 |
}; |
| 9967 |
const splitPlanarYuvA = (source, width, height, format, sourceFrame) => { |
| 9968 |
const is10 = format.includes("P10"); |
| 9969 |
const is12 = format.includes("P12"); |
| 9970 |
const bytesPerSample = is10 || is12 ? 2 : 1; |
| 9971 |
let chromaW; |
| 9972 |
let chromaH; |
| 9973 |
if (format.startsWith("I420")) { |
| 9974 |
chromaW = Math.ceil(width / 2); |
| 9975 |
chromaH = Math.ceil(height / 2); |
| 9976 |
} else if (format.startsWith("I422")) { |
| 9977 |
chromaW = Math.ceil(width / 2); |
| 9978 |
chromaH = height; |
| 9979 |
} else { |
| 9980 |
chromaW = width; |
| 9981 |
chromaH = height; |
| 9982 |
} |
| 9983 |
const ySamples = width * height; |
| 9984 |
const uvSamples = chromaW * chromaH; |
| 9985 |
const yBytes = ySamples * bytesPerSample; |
| 9986 |
const uvBytes = uvSamples * bytesPerSample; |
| 9987 |
const aBytes = ySamples * bytesPerSample; |
| 9988 |
const colorBytes = yBytes + uvBytes * 2; |
| 9989 |
const colorFormat = format.replace("A", ""); |
| 9990 |
const alphaChromaW = Math.ceil(width / 2); |
| 9991 |
const alphaChromaH = Math.ceil(height / 2); |
| 9992 |
const alphaUvSamples = alphaChromaW * alphaChromaH; |
| 9993 |
const alphaUvBytes = alphaUvSamples * bytesPerSample; |
| 9994 |
const alphaSize = aBytes + 2 * alphaUvBytes; |
| 9995 |
const alphaBuffer = new Uint8Array(alphaSize); |
| 9996 |
const aPlaneStart = colorBytes; |
| 9997 |
alphaBuffer.set(source.subarray(aPlaneStart, aPlaneStart + aBytes), 0); |
| 9998 |
const uvOffset = aBytes; |
| 9999 |
const neutralChroma = is10 ? 512 : is12 ? 2048 : 128; |
| 10000 |
if (bytesPerSample === 1) { |
| 10001 |
alphaBuffer.fill(neutralChroma, uvOffset); |
| 10002 |
} else { |
| 10003 |
const uvView = new Uint16Array(alphaBuffer.buffer, uvOffset, 2 * alphaUvSamples); |
| 10004 |
uvView.fill(neutralChroma); |
| 10005 |
} |
| 10006 |
const alphaFormat = is10 ? "I420P10" : is12 ? "I420P12" : "I420"; |
| 10007 |
const colorFrame = new VideoFrame(source.subarray(0, colorBytes), { |
| 10008 |
format: colorFormat, |
| 10009 |
codedWidth: width, |
| 10010 |
codedHeight: height, |
| 10011 |
timestamp: sourceFrame.timestamp, |
| 10012 |
duration: sourceFrame.duration ?? void 0 |
| 10013 |
}); |
| 10014 |
const alphaInit = { |
| 10015 |
format: alphaFormat, |
| 10016 |
codedWidth: width, |
| 10017 |
codedHeight: height, |
| 10018 |
timestamp: sourceFrame.timestamp, |
| 10019 |
duration: sourceFrame.duration ?? void 0, |
| 10020 |
transfer: [alphaBuffer.buffer] |
| 10021 |
}; |
| 10022 |
const alphaFrame = new VideoFrame(alphaBuffer, alphaInit); |
| 10023 |
return { colorFrame, alphaFrame }; |
| 10024 |
}; |
| 10025 |
}; |
| 10026 |
var VideoSampleSource = class extends VideoSource { |
| 10027 |
/** |
| 10028 |
* Creates a new {@link VideoSampleSource} whose samples are encoded according to the specified |
| 10029 |
* {@link VideoEncodingConfig}. |
| 10030 |
*/ |
| 10031 |
constructor(encodingConfig) { |
| 10032 |
validateVideoEncodingConfig(encodingConfig); |
| 10033 |
super(encodingConfig.codec); |
| 10034 |
this._encoder = new VideoEncoderWrapper(this, encodingConfig); |
| 10035 |
} |
| 10036 |
/** |
| 10037 |
* Encodes a video sample (frame) and then adds it to the output. |
| 10038 |
* |
| 10039 |
* @returns A Promise that resolves once the output is ready to receive more samples. You should await this Promise |
| 10040 |
* to respect writer and encoder backpressure. |
| 10041 |
*/ |
| 10042 |
add(videoSample, encodeOptions) { |
| 10043 |
if (!(videoSample instanceof VideoSample)) { |
| 10044 |
throw new TypeError("videoSample must be a VideoSample."); |
| 10045 |
} |
| 10046 |
return this._encoder.add(videoSample, false, encodeOptions); |
| 10047 |
} |
| 10048 |
/** @internal */ |
| 10049 |
_flushAndClose(forceClose) { |
| 10050 |
return this._encoder.flushAndClose(forceClose); |
| 10051 |
} |
| 10052 |
}; |
| 10053 |
var AudioSource = class extends MediaSource { |
| 10054 |
/** Internal constructor. */ |
| 10055 |
constructor(codec) { |
| 10056 |
super(); |
| 10057 |
this._connectedTrack = null; |
| 10058 |
if (!AUDIO_CODECS.includes(codec)) { |
| 10059 |
throw new TypeError(\`Invalid audio codec '\${codec}'. Must be one of: \${AUDIO_CODECS.join(", ")}.\`); |
| 10060 |
} |
| 10061 |
this._codec = codec; |
| 10062 |
} |
| 10063 |
}; |
| 10064 |
var SubtitleSource = class extends MediaSource { |
| 10065 |
/** Internal constructor. */ |
| 10066 |
constructor(codec) { |
| 10067 |
super(); |
| 10068 |
this._connectedTrack = null; |
| 10069 |
if (!SUBTITLE_CODECS.includes(codec)) { |
| 10070 |
throw new TypeError(\`Invalid subtitle codec '\${codec}'. Must be one of: \${SUBTITLE_CODECS.join(", ")}.\`); |
| 10071 |
} |
| 10072 |
this._codec = codec; |
| 10073 |
} |
| 10074 |
}; |
| 10075 |
|
| 10076 |
// node_modules/mediabunny/dist/modules/src/output-format.js |
| 10077 |
var OutputFormat = class { |
| 10078 |
/** Returns a list of video codecs that this output format can contain. */ |
| 10079 |
getSupportedVideoCodecs() { |
| 10080 |
return this.getSupportedCodecs().filter((codec) => VIDEO_CODECS.includes(codec)); |
| 10081 |
} |
| 10082 |
/** Returns a list of audio codecs that this output format can contain. */ |
| 10083 |
getSupportedAudioCodecs() { |
| 10084 |
return this.getSupportedCodecs().filter((codec) => AUDIO_CODECS.includes(codec)); |
| 10085 |
} |
| 10086 |
/** Returns a list of subtitle codecs that this output format can contain. */ |
| 10087 |
getSupportedSubtitleCodecs() { |
| 10088 |
return this.getSupportedCodecs().filter((codec) => SUBTITLE_CODECS.includes(codec)); |
| 10089 |
} |
| 10090 |
/** @internal */ |
| 10091 |
// eslint-disable-next-line @typescript-eslint/no-unused-vars |
| 10092 |
_codecUnsupportedHint(codec) { |
| 10093 |
return ""; |
| 10094 |
} |
| 10095 |
}; |
| 10096 |
var IsobmffOutputFormat = class extends OutputFormat { |
| 10097 |
/** Internal constructor. */ |
| 10098 |
constructor(options = {}) { |
| 10099 |
if (!options || typeof options !== "object") { |
| 10100 |
throw new TypeError("options must be an object."); |
| 10101 |
} |
| 10102 |
if (options.fastStart !== void 0 && ![false, "in-memory", "reserve", "fragmented"].includes(options.fastStart)) { |
| 10103 |
throw new TypeError("options.fastStart, when provided, must be false, 'in-memory', 'reserve', or 'fragmented'."); |
| 10104 |
} |
| 10105 |
if (options.minimumFragmentDuration !== void 0 && (!Number.isFinite(options.minimumFragmentDuration) || options.minimumFragmentDuration < 0)) { |
| 10106 |
throw new TypeError("options.minimumFragmentDuration, when provided, must be a non-negative number."); |
| 10107 |
} |
| 10108 |
if (options.onFtyp !== void 0 && typeof options.onFtyp !== "function") { |
| 10109 |
throw new TypeError("options.onFtyp, when provided, must be a function."); |
| 10110 |
} |
| 10111 |
if (options.onMoov !== void 0 && typeof options.onMoov !== "function") { |
| 10112 |
throw new TypeError("options.onMoov, when provided, must be a function."); |
| 10113 |
} |
| 10114 |
if (options.onMdat !== void 0 && typeof options.onMdat !== "function") { |
| 10115 |
throw new TypeError("options.onMdat, when provided, must be a function."); |
| 10116 |
} |
| 10117 |
if (options.onMoof !== void 0 && typeof options.onMoof !== "function") { |
| 10118 |
throw new TypeError("options.onMoof, when provided, must be a function."); |
| 10119 |
} |
| 10120 |
if (options.metadataFormat !== void 0 && !["mdir", "mdta", "udta", "auto"].includes(options.metadataFormat)) { |
| 10121 |
throw new TypeError("options.metadataFormat, when provided, must be either 'auto', 'mdir', 'mdta', or 'udta'."); |
| 10122 |
} |
| 10123 |
super(); |
| 10124 |
this._options = options; |
| 10125 |
} |
| 10126 |
getSupportedTrackCounts() { |
| 10127 |
const max = 2 ** 32 - 1; |
| 10128 |
return { |
| 10129 |
video: { min: 0, max }, |
| 10130 |
audio: { min: 0, max }, |
| 10131 |
subtitle: { min: 0, max }, |
| 10132 |
total: { min: 1, max } |
| 10133 |
}; |
| 10134 |
} |
| 10135 |
get supportsVideoRotationMetadata() { |
| 10136 |
return true; |
| 10137 |
} |
| 10138 |
get supportsTimestampedMediaData() { |
| 10139 |
return true; |
| 10140 |
} |
| 10141 |
/** @internal */ |
| 10142 |
_createMuxer(output) { |
| 10143 |
return new IsobmffMuxer(output, this); |
| 10144 |
} |
| 10145 |
}; |
| 10146 |
var Mp4OutputFormat = class extends IsobmffOutputFormat { |
| 10147 |
/** Creates a new {@link Mp4OutputFormat} configured with the specified \`options\`. */ |
| 10148 |
constructor(options) { |
| 10149 |
super(options); |
| 10150 |
} |
| 10151 |
/** @internal */ |
| 10152 |
get _name() { |
| 10153 |
return "MP4"; |
| 10154 |
} |
| 10155 |
get fileExtension() { |
| 10156 |
return ".mp4"; |
| 10157 |
} |
| 10158 |
get mimeType() { |
| 10159 |
return "video/mp4"; |
| 10160 |
} |
| 10161 |
getSupportedCodecs() { |
| 10162 |
return [ |
| 10163 |
...VIDEO_CODECS, |
| 10164 |
...NON_PCM_AUDIO_CODECS, |
| 10165 |
// These are supported via ISO/IEC 23003-5: |
| 10166 |
"pcm-s16", |
| 10167 |
"pcm-s16be", |
| 10168 |
"pcm-s24", |
| 10169 |
"pcm-s24be", |
| 10170 |
"pcm-s32", |
| 10171 |
"pcm-s32be", |
| 10172 |
"pcm-f32", |
| 10173 |
"pcm-f32be", |
| 10174 |
"pcm-f64", |
| 10175 |
"pcm-f64be", |
| 10176 |
...SUBTITLE_CODECS |
| 10177 |
]; |
| 10178 |
} |
| 10179 |
/** @internal */ |
| 10180 |
_codecUnsupportedHint(codec) { |
| 10181 |
if (new MovOutputFormat().getSupportedCodecs().includes(codec)) { |
| 10182 |
return " Switching to MOV will grant support for this codec."; |
| 10183 |
} |
| 10184 |
return ""; |
| 10185 |
} |
| 10186 |
}; |
| 10187 |
var CmafOutputFormat = class extends IsobmffOutputFormat { |
| 10188 |
/** Creates a new {@link CmafOutputFormat} configured with the specified \`options\`. */ |
| 10189 |
constructor(options) { |
| 10190 |
super(options); |
| 10191 |
} |
| 10192 |
/** @internal */ |
| 10193 |
get _name() { |
| 10194 |
return "CMAF"; |
| 10195 |
} |
| 10196 |
get fileExtension() { |
| 10197 |
return ".m4s"; |
| 10198 |
} |
| 10199 |
get mimeType() { |
| 10200 |
return "video/mp4"; |
| 10201 |
} |
| 10202 |
getSupportedCodecs() { |
| 10203 |
return [ |
| 10204 |
...VIDEO_CODECS, |
| 10205 |
...NON_PCM_AUDIO_CODECS, |
| 10206 |
// These are supported via ISO/IEC 23003-5: |
| 10207 |
"pcm-s16", |
| 10208 |
"pcm-s16be", |
| 10209 |
"pcm-s24", |
| 10210 |
"pcm-s24be", |
| 10211 |
"pcm-s32", |
| 10212 |
"pcm-s32be", |
| 10213 |
"pcm-f32", |
| 10214 |
"pcm-f32be", |
| 10215 |
"pcm-f64", |
| 10216 |
"pcm-f64be", |
| 10217 |
...SUBTITLE_CODECS |
| 10218 |
]; |
| 10219 |
} |
| 10220 |
}; |
| 10221 |
var MovOutputFormat = class extends IsobmffOutputFormat { |
| 10222 |
/** Creates a new {@link MovOutputFormat} configured with the specified \`options\`. */ |
| 10223 |
constructor(options) { |
| 10224 |
super(options); |
| 10225 |
} |
| 10226 |
/** @internal */ |
| 10227 |
get _name() { |
| 10228 |
return "MOV"; |
| 10229 |
} |
| 10230 |
get fileExtension() { |
| 10231 |
return ".mov"; |
| 10232 |
} |
| 10233 |
get mimeType() { |
| 10234 |
return "video/quicktime"; |
| 10235 |
} |
| 10236 |
getSupportedCodecs() { |
| 10237 |
return [ |
| 10238 |
...VIDEO_CODECS, |
| 10239 |
...AUDIO_CODECS |
| 10240 |
]; |
| 10241 |
} |
| 10242 |
/** @internal */ |
| 10243 |
_codecUnsupportedHint(codec) { |
| 10244 |
if (new Mp4OutputFormat().getSupportedCodecs().includes(codec)) { |
| 10245 |
return " Switching to MP4 will grant support for this codec."; |
| 10246 |
} |
| 10247 |
return ""; |
| 10248 |
} |
| 10249 |
}; |
| 10250 |
var MkvOutputFormat = class extends OutputFormat { |
| 10251 |
/** Creates a new {@link MkvOutputFormat} configured with the specified \`options\`. */ |
| 10252 |
constructor(options = {}) { |
| 10253 |
if (!options || typeof options !== "object") { |
| 10254 |
throw new TypeError("options must be an object."); |
| 10255 |
} |
| 10256 |
if (options.appendOnly !== void 0 && typeof options.appendOnly !== "boolean") { |
| 10257 |
throw new TypeError("options.appendOnly, when provided, must be a boolean."); |
| 10258 |
} |
| 10259 |
if (options.minimumClusterDuration !== void 0 && (!Number.isFinite(options.minimumClusterDuration) || options.minimumClusterDuration < 0)) { |
| 10260 |
throw new TypeError("options.minimumClusterDuration, when provided, must be a non-negative number."); |
| 10261 |
} |
| 10262 |
if (options.onEbmlHeader !== void 0 && typeof options.onEbmlHeader !== "function") { |
| 10263 |
throw new TypeError("options.onEbmlHeader, when provided, must be a function."); |
| 10264 |
} |
| 10265 |
if (options.onSegmentHeader !== void 0 && typeof options.onSegmentHeader !== "function") { |
| 10266 |
throw new TypeError("options.onHeader, when provided, must be a function."); |
| 10267 |
} |
| 10268 |
if (options.onCluster !== void 0 && typeof options.onCluster !== "function") { |
| 10269 |
throw new TypeError("options.onCluster, when provided, must be a function."); |
| 10270 |
} |
| 10271 |
super(); |
| 10272 |
this._options = options; |
| 10273 |
} |
| 10274 |
/** @internal */ |
| 10275 |
_createMuxer(output) { |
| 10276 |
return new MatroskaMuxer(output, this); |
| 10277 |
} |
| 10278 |
/** @internal */ |
| 10279 |
get _name() { |
| 10280 |
return "Matroska"; |
| 10281 |
} |
| 10282 |
getSupportedTrackCounts() { |
| 10283 |
const max = 127; |
| 10284 |
return { |
| 10285 |
video: { min: 0, max }, |
| 10286 |
audio: { min: 0, max }, |
| 10287 |
subtitle: { min: 0, max }, |
| 10288 |
total: { min: 1, max } |
| 10289 |
}; |
| 10290 |
} |
| 10291 |
get fileExtension() { |
| 10292 |
return ".mkv"; |
| 10293 |
} |
| 10294 |
get mimeType() { |
| 10295 |
return "video/x-matroska"; |
| 10296 |
} |
| 10297 |
getSupportedCodecs() { |
| 10298 |
return [ |
| 10299 |
...VIDEO_CODECS, |
| 10300 |
...NON_PCM_AUDIO_CODECS, |
| 10301 |
...PCM_AUDIO_CODECS.filter((codec) => !["pcm-s8", "pcm-f32be", "pcm-f64be", "ulaw", "alaw"].includes(codec)), |
| 10302 |
...SUBTITLE_CODECS |
| 10303 |
]; |
| 10304 |
} |
| 10305 |
get supportsVideoRotationMetadata() { |
| 10306 |
return false; |
| 10307 |
} |
| 10308 |
get supportsTimestampedMediaData() { |
| 10309 |
return true; |
| 10310 |
} |
| 10311 |
}; |
| 10312 |
var WebMOutputFormat = class extends MkvOutputFormat { |
| 10313 |
/** Creates a new {@link WebMOutputFormat} configured with the specified \`options\`. */ |
| 10314 |
constructor(options) { |
| 10315 |
super(options); |
| 10316 |
} |
| 10317 |
getSupportedCodecs() { |
| 10318 |
return [ |
| 10319 |
...VIDEO_CODECS.filter((codec) => ["vp8", "vp9", "av1"].includes(codec)), |
| 10320 |
...AUDIO_CODECS.filter((codec) => ["opus", "vorbis"].includes(codec)), |
| 10321 |
...SUBTITLE_CODECS |
| 10322 |
]; |
| 10323 |
} |
| 10324 |
/** @internal */ |
| 10325 |
get _name() { |
| 10326 |
return "WebM"; |
| 10327 |
} |
| 10328 |
get fileExtension() { |
| 10329 |
return ".webm"; |
| 10330 |
} |
| 10331 |
get mimeType() { |
| 10332 |
return "video/webm"; |
| 10333 |
} |
| 10334 |
/** @internal */ |
| 10335 |
_codecUnsupportedHint(codec) { |
| 10336 |
if (new MkvOutputFormat().getSupportedCodecs().includes(codec)) { |
| 10337 |
return " Switching to MKV will grant support for this codec."; |
| 10338 |
} |
| 10339 |
return ""; |
| 10340 |
} |
| 10341 |
}; |
| 10342 |
|
| 10343 |
// node_modules/mediabunny/dist/modules/src/output.js |
| 10344 |
var ALL_TRACK_TYPES = ["video", "audio", "subtitle"]; |
| 10345 |
var OutputTrack = class _OutputTrack { |
| 10346 |
/** @internal */ |
| 10347 |
constructor(id, output, type, source, metadata) { |
| 10348 |
this.id = id; |
| 10349 |
this.output = output; |
| 10350 |
this.type = type; |
| 10351 |
this.source = source; |
| 10352 |
this.metadata = metadata; |
| 10353 |
} |
| 10354 |
/** Returns true if and only if this track is a video track. */ |
| 10355 |
isVideoTrack() { |
| 10356 |
return this.type === "video"; |
| 10357 |
} |
| 10358 |
/** Returns true if and only if this track is an audio track. */ |
| 10359 |
isAudioTrack() { |
| 10360 |
return this.type === "audio"; |
| 10361 |
} |
| 10362 |
/** Returns true if and only if this track is a subtitle track. */ |
| 10363 |
isSubtitleTrack() { |
| 10364 |
return this.type === "subtitle"; |
| 10365 |
} |
| 10366 |
/** |
| 10367 |
* Returns true if and only if this track can be paired with the given other track. Pairability can be set using |
| 10368 |
* the {@link BaseTrackMetadata.group} option. |
| 10369 |
*/ |
| 10370 |
canBePairedWith(other) { |
| 10371 |
if (!(other instanceof _OutputTrack)) { |
| 10372 |
throw new TypeError("other must be an OutputTrack."); |
| 10373 |
} |
| 10374 |
if (this === other) { |
| 10375 |
return false; |
| 10376 |
} |
| 10377 |
const thisGroups = toArray(this.metadata.group); |
| 10378 |
const otherGroups = toArray(other.metadata.group); |
| 10379 |
for (const aGroup of thisGroups) { |
| 10380 |
const pairableInSameGroup = this.type !== other.type && otherGroups.some((bGroup) => aGroup === bGroup); |
| 10381 |
if (pairableInSameGroup) { |
| 10382 |
return true; |
| 10383 |
} |
| 10384 |
const pairableAcrossGroups = otherGroups.some((bGroup) => aGroup._pairedGroups.has(bGroup)); |
| 10385 |
if (pairableAcrossGroups) { |
| 10386 |
return true; |
| 10387 |
} |
| 10388 |
} |
| 10389 |
return false; |
| 10390 |
} |
| 10391 |
}; |
| 10392 |
var OutputVideoTrack = class extends OutputTrack { |
| 10393 |
/** @internal */ |
| 10394 |
constructor(id, output, source, metadata) { |
| 10395 |
super(id, output, "video", source, metadata); |
| 10396 |
} |
| 10397 |
}; |
| 10398 |
var OutputAudioTrack = class extends OutputTrack { |
| 10399 |
/** @internal */ |
| 10400 |
constructor(id, output, source, metadata) { |
| 10401 |
super(id, output, "audio", source, metadata); |
| 10402 |
} |
| 10403 |
}; |
| 10404 |
var OutputSubtitleTrack = class extends OutputTrack { |
| 10405 |
/** @internal */ |
| 10406 |
constructor(id, output, source, metadata) { |
| 10407 |
super(id, output, "subtitle", source, metadata); |
| 10408 |
} |
| 10409 |
}; |
| 10410 |
var OutputTrackGroup = class _OutputTrackGroup { |
| 10411 |
/** Creates a new {@link OutputTrackGroup}. */ |
| 10412 |
constructor() { |
| 10413 |
this._pairedGroups = /* @__PURE__ */ new Set(); |
| 10414 |
} |
| 10415 |
/** |
| 10416 |
* Marks this group as being pairable with another group, symmetrically. Output tracks where each track is assigned |
| 10417 |
* to one half of a group pairing are then considered pairable. |
| 10418 |
* |
| 10419 |
* You cannot pair a group with itself. |
| 10420 |
*/ |
| 10421 |
pairWith(other) { |
| 10422 |
if (!(other instanceof _OutputTrackGroup)) { |
| 10423 |
throw new TypeError("other must be an OutputTrackGroup."); |
| 10424 |
} |
| 10425 |
if (this === other) { |
| 10426 |
throw new TypeError("Cannot pair a group with itself."); |
| 10427 |
} |
| 10428 |
this._pairedGroups.add(other); |
| 10429 |
other._pairedGroups.add(this); |
| 10430 |
} |
| 10431 |
}; |
| 10432 |
var validateBaseTrackMetadata = (metadata) => { |
| 10433 |
if (!metadata || typeof metadata !== "object") { |
| 10434 |
throw new TypeError("metadata must be an object."); |
| 10435 |
} |
| 10436 |
if (metadata.languageCode !== void 0 && !isIso639Dash2LanguageCode(metadata.languageCode)) { |
| 10437 |
throw new TypeError("metadata.languageCode, when provided, must be a three-letter, ISO 639-2/T language code."); |
| 10438 |
} |
| 10439 |
if (metadata.name !== void 0 && typeof metadata.name !== "string") { |
| 10440 |
throw new TypeError("metadata.name, when provided, must be a string."); |
| 10441 |
} |
| 10442 |
if (metadata.disposition !== void 0) { |
| 10443 |
validateTrackDisposition(metadata.disposition); |
| 10444 |
} |
| 10445 |
if (metadata.maximumPacketCount !== void 0 && (!Number.isInteger(metadata.maximumPacketCount) || metadata.maximumPacketCount < 0)) { |
| 10446 |
throw new TypeError("metadata.maximumPacketCount, when provided, must be a non-negative integer."); |
| 10447 |
} |
| 10448 |
if (metadata.group !== void 0 && !(metadata.group instanceof OutputTrackGroup) && (!Array.isArray(metadata.group) || metadata.group.some((group) => !(group instanceof OutputTrackGroup)))) { |
| 10449 |
throw new TypeError("metadata.group, when provided, must be an OutputTrackGroup instance or an array of OutputTrackGroup instances."); |
| 10450 |
} |
| 10451 |
}; |
| 10452 |
var Output = class extends EventEmitter { |
| 10453 |
/** |
| 10454 |
* The target to which the root file will be written. Throws when using {@link PathedTarget} with an async callback; |
| 10455 |
* prefer the \`'target'\` event for those cases. |
| 10456 |
*/ |
| 10457 |
get target() { |
| 10458 |
const errorMessage = "Output.target cannot be used when using PathedTarget with an async callback. Use the 'target' event instead."; |
| 10459 |
if (this._rootTargetPromise) { |
| 10460 |
throw new TypeError(errorMessage); |
| 10461 |
} |
| 10462 |
const rootTargetResult = this._getRootTarget(); |
| 10463 |
if (rootTargetResult instanceof Promise) { |
| 10464 |
throw new TypeError(errorMessage); |
| 10465 |
} |
| 10466 |
return rootTargetResult; |
| 10467 |
} |
| 10468 |
/** |
| 10469 |
* Creates a new instance of {@link Output} which can then be used to create a new media file according to the |
| 10470 |
* specified {@link OutputOptions}. |
| 10471 |
*/ |
| 10472 |
constructor(options) { |
| 10473 |
super(); |
| 10474 |
this.state = "pending"; |
| 10475 |
this.defaultTrackGroup = new OutputTrackGroup(); |
| 10476 |
this._onFinalize = null; |
| 10477 |
this._unfinalizedTargets = /* @__PURE__ */ new Set(); |
| 10478 |
this._rootWriterPromise = null; |
| 10479 |
this._tracks = []; |
| 10480 |
this._startPromise = null; |
| 10481 |
this._cancelPromise = null; |
| 10482 |
this._finalizePromise = null; |
| 10483 |
this._mutex = new AsyncMutex(); |
| 10484 |
this._metadataTags = {}; |
| 10485 |
this._rootTarget = null; |
| 10486 |
this._rootTargetPromise = null; |
| 10487 |
this._firstMediaStreamTimestamp = null; |
| 10488 |
if (!options || typeof options !== "object") { |
| 10489 |
throw new TypeError("options must be an object."); |
| 10490 |
} |
| 10491 |
if (!(options.format instanceof OutputFormat)) { |
| 10492 |
throw new TypeError("options.format must be an OutputFormat."); |
| 10493 |
} |
| 10494 |
if (!(options.target instanceof Target || options.target instanceof PathedTarget)) { |
| 10495 |
throw new TypeError("options.target must be a Target or a PathedTarget."); |
| 10496 |
} |
| 10497 |
if (options.target instanceof Target) { |
| 10498 |
this._rememberTarget(options.target); |
| 10499 |
} |
| 10500 |
if (options.initTarget !== void 0 && !(options.initTarget instanceof Target) && typeof options.initTarget !== "function") { |
| 10501 |
throw new Error("options.initTarget, when provided, must be a Target or a function that returns or resolves to a Target."); |
| 10502 |
} |
| 10503 |
if (options.onFinalize !== void 0 && typeof options.onFinalize !== "function") { |
| 10504 |
throw new TypeError("options.onFinalize, when provided, must be a function."); |
| 10505 |
} |
| 10506 |
this.format = options.format; |
| 10507 |
this._target = options.target; |
| 10508 |
this._onFinalize = options.onFinalize ?? null; |
| 10509 |
this._initTarget = options.initTarget ?? null; |
| 10510 |
if (this._initTarget instanceof Target) { |
| 10511 |
this._rememberTarget(this._initTarget); |
| 10512 |
} |
| 10513 |
this._muxer = options.format._createMuxer(this); |
| 10514 |
} |
| 10515 |
/** @internal */ |
| 10516 |
_getTargetValidated(request) { |
| 10517 |
assert(this._target instanceof PathedTarget); |
| 10518 |
const result = this._target.getTarget(request); |
| 10519 |
const handleResult = (result2) => { |
| 10520 |
if (!(result2 instanceof Target)) { |
| 10521 |
throw new TypeError("getTarget must return a Target."); |
| 10522 |
} |
| 10523 |
return result2; |
| 10524 |
}; |
| 10525 |
if (result instanceof Promise) { |
| 10526 |
return result.then(handleResult); |
| 10527 |
} else { |
| 10528 |
return handleResult(result); |
| 10529 |
} |
| 10530 |
} |
| 10531 |
/** @internal */ |
| 10532 |
async _getTarget(request) { |
| 10533 |
assert(this._target instanceof PathedTarget); |
| 10534 |
const target = await this._getTargetValidated(request); |
| 10535 |
this._emit("target", { target, request, isRoot: request.isRoot }); |
| 10536 |
if (this.state === "canceled") { |
| 10537 |
await target._close(); |
| 10538 |
} else { |
| 10539 |
this._rememberTarget(target); |
| 10540 |
} |
| 10541 |
return target; |
| 10542 |
} |
| 10543 |
/** @internal */ |
| 10544 |
_rememberTarget(target) { |
| 10545 |
this._unfinalizedTargets.add(target); |
| 10546 |
target.on("finalized", () => this._unfinalizedTargets.delete(target), { once: true }); |
| 10547 |
} |
| 10548 |
/** @internal */ |
| 10549 |
async _getInitTarget() { |
| 10550 |
assert(this._initTarget !== null); |
| 10551 |
if (this._initTarget instanceof Target) { |
| 10552 |
return this._initTarget; |
| 10553 |
} |
| 10554 |
const target = await this._initTarget(); |
| 10555 |
if (this.state === "canceled") { |
| 10556 |
await target._close(); |
| 10557 |
} else { |
| 10558 |
this._rememberTarget(target); |
| 10559 |
} |
| 10560 |
return target; |
| 10561 |
} |
| 10562 |
/** @internal */ |
| 10563 |
_hasInitTarget() { |
| 10564 |
return this._initTarget !== null; |
| 10565 |
} |
| 10566 |
/** @internal */ |
| 10567 |
_getRootTarget() { |
| 10568 |
if (this._rootTarget) { |
| 10569 |
return this._rootTarget; |
| 10570 |
} |
| 10571 |
if (this._rootTargetPromise) { |
| 10572 |
return this._rootTargetPromise; |
| 10573 |
} |
| 10574 |
if (this._target instanceof Target) { |
| 10575 |
this._emit("target", { target: this._target, request: null, isRoot: true }); |
| 10576 |
this._rootTarget = this._target; |
| 10577 |
return this._target; |
| 10578 |
} |
| 10579 |
const request = { |
| 10580 |
path: this._target.rootPath, |
| 10581 |
isRoot: true, |
| 10582 |
mimeType: this.format.mimeType |
| 10583 |
}; |
| 10584 |
const result = this._getTargetValidated(request); |
| 10585 |
const handleResult = (target) => { |
| 10586 |
if (this.state === "canceled") { |
| 10587 |
void target._close(); |
| 10588 |
} else { |
| 10589 |
this._rememberTarget(target); |
| 10590 |
} |
| 10591 |
this._emit("target", { target, request, isRoot: true }); |
| 10592 |
this._rootTarget = target; |
| 10593 |
return target; |
| 10594 |
}; |
| 10595 |
if (result instanceof Promise) { |
| 10596 |
return this._rootTargetPromise = result.then(handleResult); |
| 10597 |
} else { |
| 10598 |
return handleResult(result); |
| 10599 |
} |
| 10600 |
} |
| 10601 |
/** @internal */ |
| 10602 |
_getRootWriter(isMonotonic) { |
| 10603 |
return this._rootWriterPromise ??= (async () => { |
| 10604 |
const target = await this._getRootTarget(); |
| 10605 |
const writer = new Writer(target, typeof isMonotonic === "boolean" ? isMonotonic : isMonotonic(target)); |
| 10606 |
writer.start(); |
| 10607 |
return writer; |
| 10608 |
})(); |
| 10609 |
} |
| 10610 |
/** Adds a video track to the output with the given source. Can only be called before the output is started. */ |
| 10611 |
addVideoTrack(source, metadata = {}) { |
| 10612 |
if (!(source instanceof VideoSource)) { |
| 10613 |
throw new TypeError("source must be a VideoSource."); |
| 10614 |
} |
| 10615 |
validateBaseTrackMetadata(metadata); |
| 10616 |
if (metadata.rotation !== void 0 && ![0, 90, 180, 270].includes(metadata.rotation)) { |
| 10617 |
throw new TypeError(\`Invalid video rotation: \${metadata.rotation}. Has to be 0, 90, 180 or 270.\`); |
| 10618 |
} |
| 10619 |
if (!this.format.supportsVideoRotationMetadata && metadata.rotation) { |
| 10620 |
throw new Error(\`\${this.format._name} does not support video rotation metadata.\`); |
| 10621 |
} |
| 10622 |
if (metadata.frameRate !== void 0 && (!Number.isFinite(metadata.frameRate) || metadata.frameRate <= 0)) { |
| 10623 |
throw new TypeError(\`Invalid video frame rate: \${metadata.frameRate}. Must be a positive number.\`); |
| 10624 |
} |
| 10625 |
const metadataCopy = { ...metadata }; |
| 10626 |
metadataCopy.group ??= this.defaultTrackGroup; |
| 10627 |
return this._addTrack(new OutputVideoTrack(this._tracks.length + 1, this, source, metadataCopy)); |
| 10628 |
} |
| 10629 |
/** Adds an audio track to the output with the given source. Can only be called before the output is started. */ |
| 10630 |
addAudioTrack(source, metadata = {}) { |
| 10631 |
if (!(source instanceof AudioSource)) { |
| 10632 |
throw new TypeError("source must be an AudioSource."); |
| 10633 |
} |
| 10634 |
validateBaseTrackMetadata(metadata); |
| 10635 |
const metadataCopy = { ...metadata }; |
| 10636 |
metadataCopy.group ??= this.defaultTrackGroup; |
| 10637 |
return this._addTrack(new OutputAudioTrack(this._tracks.length + 1, this, source, metadataCopy)); |
| 10638 |
} |
| 10639 |
/** Adds a subtitle track to the output with the given source. Can only be called before the output is started. */ |
| 10640 |
addSubtitleTrack(source, metadata = {}) { |
| 10641 |
if (!(source instanceof SubtitleSource)) { |
| 10642 |
throw new TypeError("source must be a SubtitleSource."); |
| 10643 |
} |
| 10644 |
validateBaseTrackMetadata(metadata); |
| 10645 |
const metadataCopy = { ...metadata }; |
| 10646 |
metadataCopy.group ??= this.defaultTrackGroup; |
| 10647 |
return this._addTrack(new OutputSubtitleTrack(this._tracks.length + 1, this, source, metadataCopy)); |
| 10648 |
} |
| 10649 |
/** |
| 10650 |
* Sets descriptive metadata tags about the media file, such as title, author, date, or cover art. When called |
| 10651 |
* multiple times, only the metadata from the last call will be used. |
| 10652 |
* |
| 10653 |
* Can only be called before the output is started. |
| 10654 |
*/ |
| 10655 |
setMetadataTags(tags) { |
| 10656 |
validateMetadataTags(tags); |
| 10657 |
if (this.state !== "pending") { |
| 10658 |
throw new Error("Cannot set metadata tags after output has been started or canceled."); |
| 10659 |
} |
| 10660 |
this._metadataTags = tags; |
| 10661 |
} |
| 10662 |
/** @internal */ |
| 10663 |
_addTrack(track) { |
| 10664 |
if (this.state !== "pending") { |
| 10665 |
throw new Error("Cannot add track after output has been started or canceled."); |
| 10666 |
} |
| 10667 |
if (track.source._connectedTrack) { |
| 10668 |
throw new Error("Source is already used for a track."); |
| 10669 |
} |
| 10670 |
const supportedTrackCounts = this.format.getSupportedTrackCounts(); |
| 10671 |
const presentTracksOfThisType = this._tracks.reduce((count, t2) => count + (t2.type === track.type ? 1 : 0), 0); |
| 10672 |
const maxCount = supportedTrackCounts[track.type].max; |
| 10673 |
if (presentTracksOfThisType === maxCount) { |
| 10674 |
throw new Error(maxCount === 0 ? \`\${this.format._name} does not support \${track.type} tracks.\` : \`\${this.format._name} does not support more than \${maxCount} \${track.type} track\${maxCount === 1 ? "" : "s"}.\`); |
| 10675 |
} |
| 10676 |
const maxTotalCount = supportedTrackCounts.total.max; |
| 10677 |
if (this._tracks.length === maxTotalCount) { |
| 10678 |
throw new Error(\`\${this.format._name} does not support more than \${maxTotalCount} tracks\${maxTotalCount === 1 ? "" : "s"} in total.\`); |
| 10679 |
} |
| 10680 |
if (track.isVideoTrack()) { |
| 10681 |
const supportedVideoCodecs = this.format.getSupportedVideoCodecs(); |
| 10682 |
if (supportedVideoCodecs.length === 0) { |
| 10683 |
throw new Error(\`\${this.format._name} does not support video tracks.\` + this.format._codecUnsupportedHint(track.source._codec)); |
| 10684 |
} else if (!supportedVideoCodecs.includes(track.source._codec)) { |
| 10685 |
throw new Error(\`Codec '\${track.source._codec}' cannot be contained within \${this.format._name}. Supported video codecs are: \${supportedVideoCodecs.map((codec) => \`'\${codec}'\`).join(", ")}.\` + this.format._codecUnsupportedHint(track.source._codec)); |
| 10686 |
} |
| 10687 |
} else if (track.isAudioTrack()) { |
| 10688 |
const supportedAudioCodecs = this.format.getSupportedAudioCodecs(); |
| 10689 |
if (supportedAudioCodecs.length === 0) { |
| 10690 |
throw new Error(\`\${this.format._name} does not support audio tracks.\` + this.format._codecUnsupportedHint(track.source._codec)); |
| 10691 |
} else if (!supportedAudioCodecs.includes(track.source._codec)) { |
| 10692 |
throw new Error(\`Codec '\${track.source._codec}' cannot be contained within \${this.format._name}. Supported audio codecs are: \${supportedAudioCodecs.map((codec) => \`'\${codec}'\`).join(", ")}.\` + this.format._codecUnsupportedHint(track.source._codec)); |
| 10693 |
} |
| 10694 |
} else if (track.isSubtitleTrack()) { |
| 10695 |
const supportedSubtitleCodecs = this.format.getSupportedSubtitleCodecs(); |
| 10696 |
if (supportedSubtitleCodecs.length === 0) { |
| 10697 |
throw new Error(\`\${this.format._name} does not support subtitle tracks.\` + this.format._codecUnsupportedHint(track.source._codec)); |
| 10698 |
} else if (!supportedSubtitleCodecs.includes(track.source._codec)) { |
| 10699 |
throw new Error(\`Codec '\${track.source._codec}' cannot be contained within \${this.format._name}. Supported subtitle codecs are: \${supportedSubtitleCodecs.map((codec) => \`'\${codec}'\`).join(", ")}.\` + this.format._codecUnsupportedHint(track.source._codec)); |
| 10700 |
} |
| 10701 |
} |
| 10702 |
this._tracks.push(track); |
| 10703 |
track.source._connectedTrack = track; |
| 10704 |
return track; |
| 10705 |
} |
| 10706 |
/** |
| 10707 |
* Starts the creation of the output file. This method should be called after all tracks have been added. Only after |
| 10708 |
* the output has started can media samples be added to the tracks. |
| 10709 |
* |
| 10710 |
* @returns A promise that resolves when the output has successfully started and is ready to receive media samples. |
| 10711 |
*/ |
| 10712 |
async start() { |
| 10713 |
const supportedTrackCounts = this.format.getSupportedTrackCounts(); |
| 10714 |
for (const trackType of ALL_TRACK_TYPES) { |
| 10715 |
const presentTracksOfThisType = this._tracks.reduce((count, track) => count + (track.type === trackType ? 1 : 0), 0); |
| 10716 |
const minCount = supportedTrackCounts[trackType].min; |
| 10717 |
if (presentTracksOfThisType < minCount) { |
| 10718 |
throw new Error(minCount === supportedTrackCounts[trackType].max ? \`\${this.format._name} requires exactly \${minCount} \${trackType} track\${minCount === 1 ? "" : "s"}.\` : \`\${this.format._name} requires at least \${minCount} \${trackType} track\${minCount === 1 ? "" : "s"}.\`); |
| 10719 |
} |
| 10720 |
} |
| 10721 |
const totalMinCount = supportedTrackCounts.total.min; |
| 10722 |
if (this._tracks.length < totalMinCount) { |
| 10723 |
throw new Error(totalMinCount === supportedTrackCounts.total.max ? \`\${this.format._name} requires exactly \${totalMinCount} track\${totalMinCount === 1 ? "" : "s"}.\` : \`\${this.format._name} requires at least \${totalMinCount} track\${totalMinCount === 1 ? "" : "s"}.\`); |
| 10724 |
} |
| 10725 |
if (this.state === "canceled") { |
| 10726 |
throw new Error("Output has been canceled."); |
| 10727 |
} |
| 10728 |
if (this._startPromise) { |
| 10729 |
Logging._warn("Output has already been started."); |
| 10730 |
return this._startPromise; |
| 10731 |
} |
| 10732 |
return this._startPromise = (async () => { |
| 10733 |
this.state = "started"; |
| 10734 |
const release = await this._mutex.acquire(); |
| 10735 |
try { |
| 10736 |
await this._muxer.start(); |
| 10737 |
const promises = this._tracks.map((track) => track.source._start()); |
| 10738 |
await Promise.all(promises); |
| 10739 |
} finally { |
| 10740 |
release(); |
| 10741 |
} |
| 10742 |
})(); |
| 10743 |
} |
| 10744 |
/** |
| 10745 |
* Resolves with the full MIME type of the output file, including track codecs. |
| 10746 |
* |
| 10747 |
* The returned promise will resolve only once the precise codec strings of all tracks are known. |
| 10748 |
*/ |
| 10749 |
getMimeType() { |
| 10750 |
return this._muxer.getMimeType(); |
| 10751 |
} |
| 10752 |
/** |
| 10753 |
* Cancels the creation of the output file, releasing internal resources like encoders and preventing further |
| 10754 |
* samples from being added. |
| 10755 |
* |
| 10756 |
* @returns A promise that resolves once all internal resources have been released. |
| 10757 |
*/ |
| 10758 |
async cancel() { |
| 10759 |
if (this._cancelPromise) { |
| 10760 |
Logging._warn("Output has already been canceled."); |
| 10761 |
return this._cancelPromise; |
| 10762 |
} else if (this.state === "finalizing" || this.state === "finalized") { |
| 10763 |
if (this.state === "finalized") { |
| 10764 |
Logging._warn("Output has already been finalized."); |
| 10765 |
} |
| 10766 |
return; |
| 10767 |
} |
| 10768 |
return this._cancelPromise = (async () => { |
| 10769 |
this.state = "canceled"; |
| 10770 |
const release = await this._mutex.acquire(); |
| 10771 |
try { |
| 10772 |
const promises = this._tracks.map((x) => x.source._flushOrWaitForOngoingClose(true)); |
| 10773 |
await Promise.all(promises); |
| 10774 |
await Promise.all([...this._unfinalizedTargets].map((target) => target._close())); |
| 10775 |
this._unfinalizedTargets.clear(); |
| 10776 |
} finally { |
| 10777 |
release(); |
| 10778 |
} |
| 10779 |
})(); |
| 10780 |
} |
| 10781 |
/** |
| 10782 |
* Finalizes the output file. This method must be called after all media samples across all tracks have been added. |
| 10783 |
* Once the Promise returned by this method completes, the output file is ready. |
| 10784 |
*/ |
| 10785 |
async finalize() { |
| 10786 |
if (this.state === "pending") { |
| 10787 |
throw new Error("Cannot finalize before starting."); |
| 10788 |
} |
| 10789 |
if (this.state === "canceled") { |
| 10790 |
throw new Error("Cannot finalize after canceling."); |
| 10791 |
} |
| 10792 |
if (this._finalizePromise) { |
| 10793 |
Logging._warn("Output has already been finalized."); |
| 10794 |
return this._finalizePromise; |
| 10795 |
} |
| 10796 |
return this._finalizePromise = (async () => { |
| 10797 |
this.state = "finalizing"; |
| 10798 |
const release = await this._mutex.acquire(); |
| 10799 |
try { |
| 10800 |
const promises = this._tracks.map((x) => x.source._flushOrWaitForOngoingClose(false)); |
| 10801 |
await Promise.all(promises); |
| 10802 |
await this._muxer.finalize(); |
| 10803 |
if (this._rootWriterPromise) { |
| 10804 |
const rootWriter = await this._rootWriterPromise; |
| 10805 |
if (!rootWriter.finalized) { |
| 10806 |
await rootWriter.flush(); |
| 10807 |
await rootWriter.finalize(); |
| 10808 |
} |
| 10809 |
} |
| 10810 |
if (this._onFinalize) { |
| 10811 |
await this._onFinalize(); |
| 10812 |
} |
| 10813 |
this.state = "finalized"; |
| 10814 |
} finally { |
| 10815 |
release(); |
| 10816 |
} |
| 10817 |
})(); |
| 10818 |
} |
| 10819 |
}; |
| 10820 |
|
| 10821 |
// node_modules/mediabunny/dist/modules/src/index.js |
| 10822 |
var MEDIABUNNY_LOADED_SYMBOL = /* @__PURE__ */ Symbol.for("mediabunny loaded"); |
| 10823 |
if (globalThis[MEDIABUNNY_LOADED_SYMBOL]) { |
| 10824 |
Logging._error("[WARNING]\\nMediabunny was loaded twice. This will likely cause Mediabunny not to work correctly. Check if multiple dependencies are importing different versions of Mediabunny, or if something is being bundled incorrectly."); |
| 10825 |
} |
| 10826 |
globalThis[MEDIABUNNY_LOADED_SYMBOL] = true; |
| 10827 |
|
| 10828 |
// packages/video-conversion/src/index.ts |
| 10829 |
var inProgressOperations = /* @__PURE__ */ new Set(); |
| 10830 |
var GIF_DEFAULT_FRAME_DURATION_US = 1e5; |
| 10831 |
var UNSUPPORTED_ERROR_PREFIX = "Unsupported"; |
| 10832 |
var SIZE_LIMIT_ERROR_PREFIX = \`\${UNSUPPORTED_ERROR_PREFIX}: GIF exceeds maximum conversion size\`; |
| 10833 |
var DEFAULT_MAX_TOTAL_PIXELS = 3e8; |
| 10834 |
var operationLock = Promise.resolve(); |
| 10835 |
async function cancelOperations(id) { |
| 10836 |
return inProgressOperations.delete(id); |
| 10837 |
} |
| 10838 |
function padToEven(value) { |
| 10839 |
return value % 2 === 0 ? value : value + 1; |
| 10840 |
} |
| 10841 |
async function convertGifToVideo(id, gifSource, outputMimeType, maxDimensions, maxTotalPixels) { |
| 10842 |
inProgressOperations.add(id); |
| 10843 |
const previousLock = operationLock; |
| 10844 |
let releaseLock = () => { |
| 10845 |
}; |
| 10846 |
operationLock = new Promise((resolve) => { |
| 10847 |
releaseLock = resolve; |
| 10848 |
}); |
| 10849 |
try { |
| 10850 |
await previousLock; |
| 10851 |
if (!inProgressOperations.has(id)) { |
| 10852 |
throw new Error("Operation cancelled"); |
| 10853 |
} |
| 10854 |
if (typeof ImageDecoder === "undefined" || typeof VideoEncoder === "undefined") { |
| 10855 |
throw new Error( |
| 10856 |
\`\${UNSUPPORTED_ERROR_PREFIX}: WebCodecs unavailable\` |
| 10857 |
); |
| 10858 |
} |
| 10859 |
const isWebm = outputMimeType === "video/webm"; |
| 10860 |
const codec = isWebm ? "vp9" : "avc"; |
| 10861 |
if (!await canEncodeVideo(codec)) { |
| 10862 |
throw new Error( |
| 10863 |
\`\${UNSUPPORTED_ERROR_PREFIX}: encoder codec not supported\` |
| 10864 |
); |
| 10865 |
} |
| 10866 |
if (!inProgressOperations.has(id)) { |
| 10867 |
throw new Error("Operation cancelled"); |
| 10868 |
} |
| 10869 |
const data = gifSource instanceof ArrayBuffer ? gifSource : await gifSource.arrayBuffer(); |
| 10870 |
if (!inProgressOperations.has(id)) { |
| 10871 |
throw new Error("Operation cancelled"); |
| 10872 |
} |
| 10873 |
const decoder = new ImageDecoder({ |
| 10874 |
data, |
| 10875 |
type: "image/gif" |
| 10876 |
}); |
| 10877 |
try { |
| 10878 |
await decoder.tracks.ready; |
| 10879 |
if (!inProgressOperations.has(id)) { |
| 10880 |
throw new Error("Operation cancelled"); |
| 10881 |
} |
| 10882 |
const track = decoder.tracks.selectedTrack; |
| 10883 |
const frameCount = track?.frameCount ?? 0; |
| 10884 |
if (frameCount === 0) { |
| 10885 |
throw new Error("GIF contains no decodable frames"); |
| 10886 |
} |
| 10887 |
const pixelBudget = maxTotalPixels ?? DEFAULT_MAX_TOTAL_PIXELS; |
| 10888 |
if (pixelBudget > 0) { |
| 10889 |
const { image: probe } = await decoder.decode({ |
| 10890 |
frameIndex: 0 |
| 10891 |
}); |
| 10892 |
const probeWidth = probe.displayWidth; |
| 10893 |
const probeHeight = probe.displayHeight; |
| 10894 |
probe.close(); |
| 10895 |
if (!inProgressOperations.has(id)) { |
| 10896 |
throw new Error("Operation cancelled"); |
| 10897 |
} |
| 10898 |
const totalPixels = probeWidth * probeHeight * frameCount; |
| 10899 |
if (totalPixels > pixelBudget) { |
| 10900 |
throw new Error( |
| 10901 |
\`\${SIZE_LIMIT_ERROR_PREFIX} (\${probeWidth}x\${probeHeight} x \${frameCount} frames = \${totalPixels} pixels; limit is \${pixelBudget})\` |
| 10902 |
); |
| 10903 |
} |
| 10904 |
} |
| 10905 |
const source = new VideoSampleSource({ |
| 10906 |
codec, |
| 10907 |
bitrate: QUALITY_HIGH, |
| 10908 |
/* |
| 10909 |
* A sparser key frame cadence than mediabunny's 2s default |
| 10910 |
* roughly halves the output size for long GIFs at no |
| 10911 |
* encode-time or quality cost. These looping, autoplaying |
| 10912 |
* GIF replacements don't need fine seek granularity. |
| 10913 |
*/ |
| 10914 |
keyFrameInterval: 10 |
| 10915 |
}); |
| 10916 |
const target = new BufferTarget(); |
| 10917 |
const output = new Output({ |
| 10918 |
format: isWebm ? new WebMOutputFormat() : new Mp4OutputFormat(), |
| 10919 |
target |
| 10920 |
}); |
| 10921 |
output.addVideoTrack(source); |
| 10922 |
await output.start(); |
| 10923 |
let timestampSec = 0; |
| 10924 |
for (let i2 = 0; i2 < frameCount; i2++) { |
| 10925 |
if (!inProgressOperations.has(id)) { |
| 10926 |
throw new Error("Operation cancelled"); |
| 10927 |
} |
| 10928 |
const { image } = await decoder.decode({ frameIndex: i2 }); |
| 10929 |
const durationUs = image.duration ?? GIF_DEFAULT_FRAME_DURATION_US; |
| 10930 |
const durationSec = durationUs / 1e6; |
| 10931 |
const srcW = image.displayWidth; |
| 10932 |
const srcH = image.displayHeight; |
| 10933 |
let targetW = srcW; |
| 10934 |
let targetH = srcH; |
| 10935 |
if (maxDimensions && (srcW > maxDimensions || srcH > maxDimensions)) { |
| 10936 |
const scale = Math.min( |
| 10937 |
maxDimensions / srcW, |
| 10938 |
maxDimensions / srcH |
| 10939 |
); |
| 10940 |
targetW = Math.round(srcW * scale); |
| 10941 |
targetH = Math.round(srcH * scale); |
| 10942 |
} |
| 10943 |
targetW = padToEven(targetW); |
| 10944 |
targetH = padToEven(targetH); |
| 10945 |
let frameForEncode = image; |
| 10946 |
if (targetW !== srcW || targetH !== srcH) { |
| 10947 |
const canvas = new OffscreenCanvas(targetW, targetH); |
| 10948 |
const ctx = canvas.getContext("2d"); |
| 10949 |
if (!ctx) { |
| 10950 |
throw new Error("Failed to create 2D canvas context"); |
| 10951 |
} |
| 10952 |
ctx.drawImage(image, 0, 0, targetW, targetH); |
| 10953 |
frameForEncode = new VideoFrame(canvas, { |
| 10954 |
timestamp: Math.round(timestampSec * 1e6), |
| 10955 |
duration: durationUs |
| 10956 |
}); |
| 10957 |
image.close(); |
| 10958 |
} |
| 10959 |
const sample = new VideoSample(frameForEncode, { |
| 10960 |
timestamp: timestampSec, |
| 10961 |
duration: durationSec |
| 10962 |
}); |
| 10963 |
try { |
| 10964 |
await source.add(sample); |
| 10965 |
} finally { |
| 10966 |
sample.close(); |
| 10967 |
frameForEncode.close(); |
| 10968 |
} |
| 10969 |
timestampSec += durationSec; |
| 10970 |
} |
| 10971 |
await output.finalize(); |
| 10972 |
const out = target.buffer; |
| 10973 |
if (!out || out.byteLength === 0) { |
| 10974 |
throw new Error("Encoder produced empty output"); |
| 10975 |
} |
| 10976 |
return out; |
| 10977 |
} finally { |
| 10978 |
decoder.close(); |
| 10979 |
} |
| 10980 |
} finally { |
| 10981 |
inProgressOperations.delete(id); |
| 10982 |
releaseLock(); |
| 10983 |
} |
| 10984 |
} |
| 10985 |
|
| 10986 |
// packages/video-conversion/src/worker.ts |
| 10987 |
var api = { |
| 10988 |
cancelOperations, |
| 10989 |
convertGifToVideo |
| 10990 |
}; |
| 10991 |
expose(api); |
| 10992 |
/*! Bundled license information: |
| 10993 |
|
| 10994 |
mediabunny/dist/modules/src/misc.js: |
| 10995 |
mediabunny/dist/modules/src/logging.js: |
| 10996 |
mediabunny/dist/modules/src/metadata.js: |
| 10997 |
mediabunny/dist/modules/shared/bitstream.js: |
| 10998 |
mediabunny/dist/modules/shared/aac-misc.js: |
| 10999 |
mediabunny/dist/modules/src/codec.js: |
| 11000 |
mediabunny/dist/modules/shared/ac3-misc.js: |
| 11001 |
mediabunny/dist/modules/src/codec-data.js: |
| 11002 |
mediabunny/dist/modules/src/packet.js: |
| 11003 |
mediabunny/dist/modules/src/isobmff/isobmff-misc.js: |
| 11004 |
mediabunny/dist/modules/src/isobmff/isobmff-reader.js: |
| 11005 |
mediabunny/dist/modules/src/matroska/ebml.js: |
| 11006 |
mediabunny/dist/modules/src/matroska/matroska-misc.js: |
| 11007 |
mediabunny/dist/modules/src/adts/adts-reader.js: |
| 11008 |
mediabunny/dist/modules/src/sample.js: |
| 11009 |
mediabunny/dist/modules/src/encode.js: |
| 11010 |
mediabunny/dist/modules/src/custom-coder.js: |
| 11011 |
mediabunny/dist/modules/src/reader.js: |
| 11012 |
mediabunny/dist/modules/src/muxer.js: |
| 11013 |
mediabunny/dist/modules/src/subtitles.js: |
| 11014 |
mediabunny/dist/modules/src/isobmff/isobmff-boxes.js: |
| 11015 |
mediabunny/dist/modules/src/writer.js: |
| 11016 |
mediabunny/dist/modules/src/target.js: |
| 11017 |
mediabunny/dist/modules/src/isobmff/isobmff-muxer.js: |
| 11018 |
mediabunny/dist/modules/src/matroska/matroska-muxer.js: |
| 11019 |
mediabunny/dist/modules/src/media-source.js: |
| 11020 |
mediabunny/dist/modules/src/output-format.js: |
| 11021 |
mediabunny/dist/modules/src/output.js: |
| 11022 |
mediabunny/dist/modules/src/index.js: |
| 11023 |
(*! |
| 11024 |
* Copyright (c) 2026-present, Vanilagy and contributors |
| 11025 |
* |
| 11026 |
* This Source Code Form is subject to the terms of the Mozilla Public |
| 11027 |
* License, v. 2.0. If a copy of the MPL was not distributed with this |
| 11028 |
* file, You can obtain one at https://mozilla.org/MPL/2.0/. |
| 11029 |
*) |
| 11030 |
*/ |
| 11031 |
//# sourceMappingURL=worker.mjs.map |
| 11032 |
`;var B,v,T;function F(){if(v===void 0){let e=new Blob([O],{type:"application/javascript"});T=URL.createObjectURL(e),B=new Worker(T,{type:"module"}),v=_(B)}return v}async function ce(e,n,t,a,i){return F().convertGifToVideo(e,n,t,a,i)}async function de(e){return F().cancelOperations(e)}function le(){v&&(I(v),v=void 0,B=void 0),T&&(URL.revokeObjectURL(T),T=void 0)}export{de as cancelGifToVideoOperations,ce as convertGifToVideo,le as terminateVideoConversionWorker}; |
| 11033 |
|
