Optimise videostream

This commit is contained in:
Deon George 2024-09-16 23:18:51 +10:00
parent a5b5256793
commit 2caff58f73
2 changed files with 37 additions and 31 deletions

View File

@ -6,20 +6,22 @@ namespace App\Helpers;
* Description of VideoStream * Description of VideoStream
* *
* @author Rana * @author Rana
* modified by HazCod to use stream_get_contents and correct session shutoff
* https://github.com/HazCod
* @link http://codesamplez.com/programming/php-html5-video-streaming-tutorial * @link http://codesamplez.com/programming/php-html5-video-streaming-tutorial
**/ **/
class VideoStream class VideoStream
{ {
private $path = ''; private string $path;
private $stream = ''; private mixed $stream;
private $buffer = 102400; private int $buffer = 102400;
private $start = -1; private int $start = -1;
private $end = -1; private int $end = -1;
private $size = 0; private int $size = 0;
function __construct($filePath) function __construct(string $filename)
{ {
$this->path = $filePath; $this->path = $filename;
} }
/** /**
@ -27,9 +29,8 @@ class VideoStream
**/ **/
private function open() private function open()
{ {
if (! ($this->stream = fopen($this->path,'rb')) ) { if (! ($this->stream=fopen($this->path,'rb',false, stream_context_create())))
die('Could not open stream for reading'); die('Could not open stream for reading');
}
} }
/** /**
@ -38,53 +39,55 @@ class VideoStream
private function setHeader() private function setHeader()
{ {
ob_get_clean(); ob_get_clean();
header('Content-Type: video/mp4'); header('Content-Type: '.mime_content_type($this->path));
header('Cache-Control: max-age=2592000, public'); header(sprintf('Cache-Control: max-age=%d, public',$x=60*60*24*30));
header('Expires: '.gmdate('D, d M Y H:i:s',time()+2592000) . ' GMT'); header(sprintf('Expires: %s GMT',gmdate('D, d M Y H:i:s',time()+$x)));
header('Last-Modified: '.gmdate('D, d M Y H:i:s',@filemtime($this->path)) . ' GMT' ); header(sprintf('Last-Modified: %s GMT',gmdate('D, d M Y H:i:s',filemtime($this->path))));
$this->start = 0; $this->start = 0;
$this->size = filesize($this->path); $this->size = filesize($this->path);
$this->end = $this->size - 1; $this->end = $this->size - 1;
header('Accept-Ranges: 0-'.$this->end); header('Accept-Ranges: 0-'.$this->end);
if (isset($_SERVER['HTTP_RANGE'])) { if (isset($_SERVER['HTTP_RANGE'])) {
$c_start = $this->start;
$c_end = $this->end; $c_end = $this->end;
list(,$range) = explode('=',$_SERVER['HTTP_RANGE'],2); list(,$range) = explode('=',$_SERVER['HTTP_RANGE'],2);
if (strpos($range,',') !== false) { if (strpos($range,',') !== FALSE) {
header('HTTP/1.1 416 Requested Range Not Satisfiable'); header('HTTP/1.1 416 Requested Range Not Satisfiable');
header("Content-Range: bytes $this->start-$this->end/$this->size"); header(sprintf('Content-Range: bytes %d-%d/%d',$this->start,$this->end,$this->size));
exit; exit;
} }
if ($range == '-') { if ($range == '-') {
$c_start = $this->size - substr($range,1); $c_start = $this->size - substr($range,1);
}else{
} else {
$range = explode('-',$range); $range = explode('-',$range);
$c_start = $range[0]; $c_start = $range[0];
$c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $c_end; $c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $c_end;
} }
$c_end = ($c_end > $this->end) ? $this->end : $c_end; $c_end = ($c_end > $this->end) ? $this->end : $c_end;
if ($c_start > $c_end || $c_start > $this->size - 1 || $c_end >= $this->size) { if ($c_start > $c_end || $c_start > $this->size - 1 || $c_end >= $this->size) {
header('HTTP/1.1 416 Requested Range Not Satisfiable'); header('HTTP/1.1 416 Requested Range Not Satisfiable');
header("Content-Range: bytes $this->start-$this->end/$this->size"); header(sprintf('Content-Range: bytes %d-%d/%d',$this->start,$this->end,$this->size));
exit; exit;
} }
$this->start = $c_start; $this->start = $c_start;
$this->end = $c_end; $this->end = $c_end;
$length = $this->end - $this->start + 1; $length = $this->end - $this->start + 1;
fseek($this->stream,$this->start); fseek($this->stream,$this->start);
header('HTTP/1.1 206 Partial Content'); header('HTTP/1.1 206 Partial Content');
header("Content-Length: ".$length); header("Content-Length: ".$length);
header("Content-Range: bytes $this->start-$this->end/".$this->size); header(sprintf('Content-Range: bytes %d-%d/%d',$this->start,$this->end,$this->size));
}
else } else {
{
header("Content-Length: ".$this->size); header("Content-Length: ".$this->size);
} }
} }
/** /**
@ -103,13 +106,14 @@ class VideoStream
{ {
$i = $this->start; $i = $this->start;
set_time_limit(0); set_time_limit(0);
while(!feof($this->stream) && $i <= $this->end) { while ((! feof($this->stream)) && ($i <= $this->end) && (connection_aborted() == 0)) {
$bytesToRead = $this->buffer; $bytesToRead = $this->buffer;
if (($i+$bytesToRead) > $this->end) { if (($i+$bytesToRead) > $this->end) {
$bytesToRead = $this->end - $i + 1; $bytesToRead = $this->end - $i + 1;
} }
$data = fread($this->stream,$bytesToRead);
echo $data; echo stream_get_contents($this->stream,$bytesToRead);
flush(); flush();
$i += $bytesToRead; $i += $bytesToRead;
} }
@ -120,9 +124,10 @@ class VideoStream
**/ **/
function start() function start()
{ {
session_write_close();
$this->open(); $this->open();
$this->setHeader(); $this->setHeader();
$this->stream(); $this->stream();
$this->end(); $this->end();
} }
} }

View File

@ -50,6 +50,7 @@ class VideoController extends Controller
public function view(Video $o) public function view(Video $o)
{ {
if ($o->isReadable()) if ($o->isReadable())
(new VideoStream($o->file_path()))->start(); (new VideoStream($o->file_name(FALSE)))
->start();
} }
} }