使用PHP输出一个MP4视频 [英] Using php to output an mp4 video

问题描述

基本上，我有一个项目，要求用户隐藏视频，但仍然能够看到它们（通过使用php）。这是我到目前为止所得到的：

video.php文件包含：

 <？php 
 $ ch = curl_init（）; 
 curl_setopt（$ ch，CURLOPT_URL，'path / to / movie.mp4'）; 
 curl_setopt（$ ch，CURLOPT_RETURNTRANSFER，1）; 
 curl_setopt（$ ch，CURLOPT_HEADER，0）; 
 $ out = curl_exec（$ ch）; 
 curl_close（$ ch）; 
 
 
 header（'Content-type：video / mp4'）; 
 header（'Content-type：video / mpeg'）; 
 header（'Content-disposition：inline'）; 
头（Content-Transfer-Encoding：binary）; 
 header（Content-Length：.filesize（$ out））; 
 echo $ out; 
 exit（）; 
？> 
  

和应该显示的html文件使用的是html5。现在这里的东西..当我直接嵌入此（不）它的作品。但它不能在我的iPhone上工作，并且不能在标签中工作......如果我使用直接文件而不是php包装，那么在我的iPhone上一切正常......

所以我想我的问题是这样的：什么是适当的header（）信息来完美地复制可以通过iPhone和HMTL5流式传输的mp4？

解决方案来源于： http://mobiforge.com/developing / story / content-delivery-mobile-devices

video.php文件：

 <？php 
 $ file ='path / to / videofile.mp4'; 
 $ fp = @fopen（$ file，'rb'）; 
 
 $ size = filesize（$ file）; //文件大小
 $ length = $ size; //内容长度
 $ start = 0; //开始字节
 $ end = $ size  -  1; //结束字节
 
 header（'Content-type：video / mp4'）; 
 header（Accept-Ranges：0- $ length）; 
 if（isset（$ _ SERVER ['HTTP_RANGE']））{
 
 $ c_start = $ start; 
 $ c_end = $ end; 
 
 list（，$ range）= explode（'='，$ _SERVER ['HTTP_RANGE']，2）; 
 if（strpos（$ range，'，'）！== false）{
 header（'HTTP / 1.1 416 Requested Range Not Satisfiable'）; 
 header（Content-Range：bytes $ start- $ end / $ size）; 
退出; 
} 
 if（$ range ==' - '）{
 $ c_start = $ size  -  substr（$ range，1）; 
} else {
 $ range = explode（' - '，$ range）; 
 $ c_start = $ range [0]; 
 $ c_end =（isset（$ range [1]）&& is_numeric（$ range [1]））？ $ range [1]：$ size; 
} 
 $ c_end =（$ c_end> $ end）？ $结束：$ c_end; 
 if（$ c_start> $ c_end || $ c_start> $ size  -  1 || $ c_end> = $ size）{
 header（'HTTP / 1.1 416 Requested Range Not Satisfiable'） ; 
 header（Content-Range：bytes $ start- $ end / $ size）; 
退出; 
} 
 $ start = $ c_start; 
 $ end = $ c_end; 
 $ length = $ end  -  $ start + 1; 
 fseek（$ fp，$ start）; 
 header（'HTTP / 1.1 206 Partial Content'）; 
} 
 header（Content-Range：bytes $ start- $ end / $ size）; 
 header（Content-Length：。$ length）; 
 
 
 $ buffer = 1024 * 8; $（$ fp）&&（$ p = ftell（$ fp））< = $ end）{
 
 if（$ p + $ buffer> $ end）{
 $ buffer = $ end  -  $ p + 1; 
} 
 set_time_limit（0）; 
 echo fread（$ fp，$ buffer）; 
 flush（）; 
} 
 
 fclose（$ fp）; 
 exit（）; 
？> 
  

解决方案

Iphones对音频和视频使用称为字节范围要求。请参阅此链接以获取解决方案。它在附录A中。

http：// mobiforge.com/developing/story/content-delivery-mobile-devices

Ok basically I have a project that requires that videos are hidden from the users while still able to see them (by using php). here's what i got so far:

The video.php file has this:

<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'path/to/movie.mp4');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
curl_setopt($ch, CURLOPT_HEADER, 0);
$out = curl_exec($ch);
curl_close($ch);


header('Content-type: video/mp4');
header('Content-type: video/mpeg');
header('Content-disposition: inline');
header("Content-Transfer-Encoding:­ binary");
header("Content-Length: ".filesize($out));
echo $out;
exit();
?>

and the html file that is supposed to display this is using html5 as it would expect. now here's the thing.. when I straight embed this (not ) it works. but it doesn't work on my iPhone and doesn't work in the tag... if I use the direct file instead of the php wrapper, everything works fine, on my iPhone too...

so I guess my question for this one is this: what are the proper header() information to perfectly replicate an mp4 that can be streamed via iPhone and HMTL5?

Solution derived from: http://mobiforge.com/developing/story/content-delivery-mobile-devices

video.php file:

<?php
$file = 'path/to/videofile.mp4';
$fp = @fopen($file, 'rb');

$size   = filesize($file); // File size
$length = $size;           // Content length
$start  = 0;               // Start byte
$end    = $size - 1;       // End byte

header('Content-type: video/mp4');
header("Accept-Ranges: 0-$length");
if (isset($_SERVER['HTTP_RANGE'])) {

    $c_start = $start;
    $c_end   = $end;

    list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2);
    if (strpos($range, ',') !== false) {
        header('HTTP/1.1 416 Requested Range Not Satisfiable');
        header("Content-Range: bytes $start-$end/$size");
        exit;
    }
    if ($range == '-') {
        $c_start = $size - substr($range, 1);
    }else{
        $range  = explode('-', $range);
        $c_start = $range[0];
        $c_end   = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $size;
    }
    $c_end = ($c_end > $end) ? $end : $c_end;
    if ($c_start > $c_end || $c_start > $size - 1 || $c_end >= $size) {
        header('HTTP/1.1 416 Requested Range Not Satisfiable');
        header("Content-Range: bytes $start-$end/$size");
        exit;
    }
    $start  = $c_start;
    $end    = $c_end;
    $length = $end - $start + 1;
    fseek($fp, $start);
    header('HTTP/1.1 206 Partial Content');
}
header("Content-Range: bytes $start-$end/$size");
header("Content-Length: ".$length);


$buffer = 1024 * 8;
while(!feof($fp) && ($p = ftell($fp)) <= $end) {

    if ($p + $buffer > $end) {
        $buffer = $end - $p + 1;
    }
    set_time_limit(0);
    echo fread($fp, $buffer);
    flush();
}

fclose($fp);
exit();
?>

解决方案

Iphones use something called byte-ranges for audio and video requests. See this link for a solution. It's in Appendix A.

http://mobiforge.com/developing/story/content-delivery-mobile-devices

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