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
*
* @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
**/
class VideoStream
{
private $path = '';
private $stream = '';
private $buffer = 102400;
private $start = -1;
private $end = -1;
private $size = 0;
private string $path;
private mixed $stream;
private int $buffer = 102400;
private int $start = -1;
private int $end = -1;
private int $size = 0;
function __construct($filePath)
function __construct(string $filename)
{
$this->path = $filePath;
$this->path = $filename;
}
/**
@ -27,10 +29,9 @@ class VideoStream
**/
private function open()
{
if (! ($this->stream = fopen($this->path,'rb')) ) {
if (! ($this->stream=fopen($this->path,'rb',false, stream_context_create())))
die('Could not open stream for reading');
}
}
/**
* Set proper header to serve the video content
@ -38,53 +39,55 @@ class VideoStream
private function setHeader()
{
ob_get_clean();
header('Content-Type: video/mp4');
header('Cache-Control: max-age=2592000, public');
header('Expires: '.gmdate('D, d M Y H:i:s',time()+2592000) . ' GMT');
header('Last-Modified: '.gmdate('D, d M Y H:i:s',@filemtime($this->path)) . ' GMT' );
header('Content-Type: '.mime_content_type($this->path));
header(sprintf('Cache-Control: max-age=%d, public',$x=60*60*24*30));
header(sprintf('Expires: %s GMT',gmdate('D, d M Y H:i:s',time()+$x)));
header(sprintf('Last-Modified: %s GMT',gmdate('D, d M Y H:i:s',filemtime($this->path))));
$this->start = 0;
$this->size = filesize($this->path);
$this->end = $this->size - 1;
header('Accept-Ranges: 0-'.$this->end);
if (isset($_SERVER['HTTP_RANGE'])) {
$c_start = $this->start;
$c_end = $this->end;
list(,$range) = explode('=',$_SERVER['HTTP_RANGE'],2);
if (strpos($range,',') !== false) {
if (strpos($range,',') !== FALSE) {
header('HTTP/1.1 416 Requested Range Not Satisfiable');
header("Content-Range: bytes $this->start-$this->end/$this->size");
header(sprintf('Content-Range: bytes %d-%d/%d',$this->start,$this->end,$this->size));
exit;
}
if ($range == '-') {
$c_start = $this->size - substr($range,1);
} else {
$range = explode('-',$range);
$c_start = $range[0];
$c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $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) {
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;
}
$this->start = $c_start;
$this->end = $c_end;
$length = $this->end - $this->start + 1;
fseek($this->stream,$this->start);
header('HTTP/1.1 206 Partial Content');
header("Content-Length: ".$length);
header("Content-Range: bytes $this->start-$this->end/".$this->size);
}
else
{
header(sprintf('Content-Range: bytes %d-%d/%d',$this->start,$this->end,$this->size));
} else {
header("Content-Length: ".$this->size);
}
}
/**
@ -103,13 +106,14 @@ class VideoStream
{
$i = $this->start;
set_time_limit(0);
while(!feof($this->stream) && $i <= $this->end) {
while ((! feof($this->stream)) && ($i <= $this->end) && (connection_aborted() == 0)) {
$bytesToRead = $this->buffer;
if (($i+$bytesToRead) > $this->end) {
$bytesToRead = $this->end - $i + 1;
}
$data = fread($this->stream,$bytesToRead);
echo $data;
echo stream_get_contents($this->stream,$bytesToRead);
flush();
$i += $bytesToRead;
}
@ -120,6 +124,7 @@ class VideoStream
**/
function start()
{
session_write_close();
$this->open();
$this->setHeader();
$this->stream();

View File

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