← All changes | classes/Video_Stream.php +130 -130 1.0.8 → 1.6.6 View file →

		@@ -1,131 +1,131 @@
1		-<?php
2		-/**
3		- * Created by PhpStorm.
4		- * User: mhshohel
5		- * Date: 24/9/18
6		- * Time: 4:03 PM
7		- */
8		-
9		-namespace TUTOR;
10		-
11		-if ( ! defined( 'ABSPATH' ) )
12		- exit;
13		-
14		-
15		-/**
16		- * Class Video_Stream
17		- * @package TUTOR
18		- *
19		- * TUTOR Video Stream Class
20		- * @since v.1.0.0
21		- */
22		-
23		-class Video_Stream {
24		-
25		- private $path = "";
26		- private $stream = "";
27		- private $buffer = 102400;
28		- private $start = -1;
29		- private $end = -1;
30		- private $size = 0;
31		-
32		- private $videoFormats;
33		-
34		- function __construct($filePath) {
35		- $this->videoFormats = apply_filters('tutor_video_types', array("mp4"=>"video/mp4", "webm"=>"video/webm", "ogg"=>"video/ogg")) ;
36		- $this->path = $filePath;
37		- }
38		-
39		- /**
40		- * Open stream
41		- */
42		- private function open() {
43		- if (!($this->stream = fopen($this->path, 'rb'))) {
44		- die('Could not open stream for reading');
45		- }
46		- }
47		-
48		- /**
49		- * Set proper header to serve the video content
50		- */
51		- private function setHeader() {
52		- ob_get_clean();
53		-
54		- header("Content-Type: {$this->videoFormats[strtolower(pathinfo($this->path, PATHINFO_EXTENSION))]}");
55		- header("Cache-Control: max-age=2592000, public");
56		- header("Expires: ".gmdate('D, d M Y H:i:s', time()+2592000) . ' GMT');
57		- header("Last-Modified: ".gmdate('D, d M Y H:i:s', @filemtime($this->path)) . ' GMT' );
58		- $this->start = 0;
59		- $this->size = filesize($this->path);
60		- $this->end = $this->size - 1;
61		- header("Accept-Ranges: 0-".$this->end);
62		-
63		- if (isset($_SERVER['HTTP_RANGE'])) {
64		- $c_end = $this->end;
65		- list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2);
66		-
67		- if ($range == '-') {
68		- $c_start = $this->size - substr($range, 1);
69		- }else{
70		- $range = explode('-', $range);
71		- $c_start = $range[0];
72		-
73		- $c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $c_end;
74		- }
75		- $c_end = ($c_end > $this->end) ? $this->end : $c_end;
76		- if ($c_start > $c_end || $c_start > $this->size - 1 || $c_end >= $this->size) {
77		- header('HTTP/1.1 416 Requested Range Not Satisfiable');
78		- header("Content-Range: bytes $this->start-$this->end/$this->size");
79		- exit;
80		- }
81		- $this->start = $c_start;
82		- $this->end = $c_end;
83		- $length = $this->end - $this->start + 1;
84		- header('HTTP/1.1 206 Partial Content');
85		- header("Content-Length: ".$length);
86		- header("Content-Range: bytes $this->start-$this->end/".$this->size);
87		- header("Accept-Ranges: bytes");
88		- }
89		- else {
90		- header("Content-Length: ".$this->size);
91		- }
92		-
93		- }
94		-
95		- /**
96		- * close currently opened stream
97		- */
98		- private function end() {
99		- fclose($this->stream);
100		- exit;
101		- }
102		-
103		- /**
104		- * perform the streaming of calculated range
105		- */
106		- private function stream() {
107		- $i = $this->start;
108		- set_time_limit(0);
109		- while(!feof($this->stream) && $i <= $this->end) {
110		- $bytesToRead = $this->buffer;
111		- if(($i+$bytesToRead) > $this->end) {
112		- $bytesToRead = $this->end - $i + 1;
113		- }
114		- //$data = fread($this->stream, $bytesToRead);
115		- $data = @stream_get_contents($this->stream, $bytesToRead, $i);
116		- echo $data;
117		- flush();
118		- $i += $bytesToRead;
119		- }
120		- }
121		-
122		- /**
123		- * Start streaming tutor video content
124		- */
125		- function start() {
126		- $this->open();
127		- $this->setHeader();
128		- $this->stream();
129		- $this->end();
130		- }
	1	+<?php
	2	+/**
	3	+ * Created by PhpStorm.
	4	+ * User: themeum
	5	+ * Date: 24/9/18
	6	+ * Time: 4:03 PM
	7	+ */
	8	+
	9	+namespace TUTOR;
	10	+
	11	+if ( ! defined( 'ABSPATH' ) )
	12	+ exit;
	13	+
	14	+
	15	+/**
	16	+ * Class Video_Stream
	17	+ * @package TUTOR
	18	+ *
	19	+ * TUTOR Video Stream Class
	20	+ * @since v.1.0.0
	21	+ */
	22	+
	23	+class Video_Stream {
	24	+
	25	+ private $path = "";
	26	+ private $stream = "";
	27	+ private $buffer = 102400;
	28	+ private $start = -1;
	29	+ private $end = -1;
	30	+ private $size = 0;
	31	+
	32	+ private $videoFormats;
	33	+
	34	+ function __construct($filePath) {
	35	+ $this->videoFormats = apply_filters('tutor_video_types', array("mp4"=>"video/mp4", "webm"=>"video/webm", "ogg"=>"video/ogg")) ;
	36	+ $this->path = $filePath;
	37	+ }
	38	+
	39	+ /**
	40	+ * Open stream
	41	+ */
	42	+ private function open() {
	43	+ if (!($this->stream = fopen($this->path, 'rb'))) {
	44	+ die('Could not open stream for reading');
	45	+ }
	46	+ }
	47	+
	48	+ /**
	49	+ * Set proper header to serve the video content
	50	+ */
	51	+ private function setHeader() {
	52	+ ob_get_clean();
	53	+
	54	+ header("Content-Type: {$this->videoFormats[strtolower(pathinfo($this->path, PATHINFO_EXTENSION))]}");
	55	+ header("Cache-Control: max-age=2592000, public");
	56	+ header("Expires: ".gmdate('D, d M Y H:i:s', tutor_time()+2592000) . ' GMT');
	57	+ header("Last-Modified: ".gmdate('D, d M Y H:i:s', @filemtime($this->path)) . ' GMT' );
	58	+ $this->start = 0;
	59	+ $this->size = filesize($this->path);
	60	+ $this->end = $this->size - 1;
	61	+ header("Accept-Ranges: 0-".$this->end);
	62	+
	63	+ if (isset($_SERVER['HTTP_RANGE'])) {
	64	+ $c_end = $this->end;
	65	+ list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2);
	66	+
	67	+ if ($range == '-') {
	68	+ $c_start = $this->size - substr($range, 1);
	69	+ }else{
	70	+ $range = explode('-', $range);
	71	+ $c_start = $range[0];
	72	+
	73	+ $c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $c_end;
	74	+ }
	75	+ $c_end = ($c_end > $this->end) ? $this->end : $c_end;
	76	+ if ($c_start > $c_end || $c_start > $this->size - 1 || $c_end >= $this->size) {
	77	+ header('HTTP/1.1 416 Requested Range Not Satisfiable');
	78	+ header("Content-Range: bytes $this->start-$this->end/$this->size");
	79	+ exit;
	80	+ }
	81	+ $this->start = $c_start;
	82	+ $this->end = $c_end;
	83	+ $length = $this->end - $this->start + 1;
	84	+ header('HTTP/1.1 206 Partial Content');
	85	+ header("Content-Length: ".$length);
	86	+ header("Content-Range: bytes $this->start-$this->end/".$this->size);
	87	+ header("Accept-Ranges: bytes");
	88	+ }
	89	+ else {
	90	+ header("Content-Length: ".$this->size);
	91	+ }
	92	+
	93	+ }
	94	+
	95	+ /**
	96	+ * close currently opened stream
	97	+ */
	98	+ private function end() {
	99	+ fclose($this->stream);
	100	+ exit;
	101	+ }
	102	+
	103	+ /**
	104	+ * perform the streaming of calculated range
	105	+ */
	106	+ private function stream() {
	107	+ $i = $this->start;
	108	+ set_time_limit(0);
	109	+ while(!feof($this->stream) && $i <= $this->end) {
	110	+ $bytesToRead = $this->buffer;
	111	+ if(($i+$bytesToRead) > $this->end) {
	112	+ $bytesToRead = $this->end - $i + 1;
	113	+ }
	114	+ //$data = fread($this->stream, $bytesToRead);
	115	+ $data = @stream_get_contents($this->stream, $bytesToRead, $i);
	116	+ echo $data;
	117	+ flush();
	118	+ $i += $bytesToRead;
	119	+ }
	120	+ }
	121	+
	122	+ /**
	123	+ * Start streaming tutor video content
	124	+ */
	125	+ function start() {
	126	+ $this->open();
	127	+ $this->setHeader();
	128	+ $this->stream();
	129	+ $this->end();
	130	+ }
131	131	}