Changeset 1684

User picture

Author: Pernod

(2012/02/12 02:02) 3 months ago

Updated YouTube streaming due to site changes at YouTube.

Affected files

Updated trunk/swisscenter/stream_url.php Download diff

16831684
152
      // A YouTube id has been provided so we need to determine the actual location of the video file.
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      // A YouTube id has been provided so we need to determine the actual location of the video file.
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      if (!isset($_SESSION["stream_id"]) || ($_SESSION["stream_id"] !== $_REQUEST["youtube_id"]))
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      if (!isset($_SESSION["stream_id"]) || ($_SESSION["stream_id"] !== $_REQUEST["youtube_id"]))
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      {
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      {
 
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        $video_id  = $_REQUEST["youtube_id"];
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        $videoId  = $_REQUEST["youtube_id"];
 
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        // Get the YouTube video page to parse
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        // Get the YouTube video page to parse



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        $youtube_url = 'http://www.youtube.com/watch?v='.$video_id;
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        $youtube_url = 'http://www.youtube.com/watch?v='.$videoId;



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        $html = file_get_contents($youtube_url);
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        $html = file_get_contents($youtube_url);



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        //
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        //



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        // This code is based upon a script found at http://userscripts.org/scripts/show/109103
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        // This code is based upon a script found at http://userscripts.org/scripts/show/109103



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        //   Version 1.2.5 : Date 2011-08-04
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        //   Version 1.3.8 : Date 2012-02-09



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        //
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        //



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        // Obtain video ID, temporary ticket, formats map
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        // Obtain video ID, temporary ticket, formats map



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        $video_player = preg_get('/<div id="watch-player".*>(.*)<\/div>/Usm', $html);
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        if (!empty($html))



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        if ( !empty($video_player) )



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        {
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        {



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          $video_ticket  = preg_get('/\&amp;t=([^(\&|$)]*)/', $video_player);
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          $videoTicket  = preg_get('/(?:"|\&amp;t=([^(\&|$)]+)/', $html);



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          $video_formats = preg_get('/\&amp;url_encoded_fmt_stream_map=([^(\&|$)]*)/', $video_player);
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          $videoFormats = preg_get('/(?:"|\&amp;url_encoded_fmt_stream_map=([^(\&|$|\\)]+)/', $html);



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        }



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          if ( empty($video_formats) )
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        if (empty($videoTicket))



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          {
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        {



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            $video_formats = preg_get('/\&amp;fmt_url_map=([^(\&|$)]*)/', $video_player);
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          $videoTicket  = preg_get('/\"t\":\s*\"([^\"]+)\"/', $html);



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          }
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          $videoFormats = preg_get('/\"url_encoded_fmt_stream_map\":\s*\"([^\"]+)\"/', $html);



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        }



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        if (!empty($videoTicket) && !empty($videoFormats))



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        {



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          // Video title
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          // Video title



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          $video_title = preg_get('/<title>(.*)<\/title>/Usm', $html);
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          $videoTitle = preg_get('/<title>(.*)<\/title>/Usm', $html);



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          $video_title = 'video';
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          $videoTitle = str_replace(' - YouTube', '', $videoTitle);



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          $videoTitle = 'video';



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          // Available formats:
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          // Available formats:



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          //  5 - FLV 240p
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          //  5 - FLV 240p


...
...
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          // 34 - FLV 360p
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          // 34 - FLV 360p



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          // 35 - FLV 480p
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          // 35 - FLV 480p



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          // 37 - MP4 1080p (HD)
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          // 37 - MP4 1080p (HD)



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          // 38 - MP4 Original (HD)
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          // 38 - MP4 4K (HD)



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          // 43 - WebM 360p
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          // 43 - WebM 360p



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          // 44 - WebM 480p
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          // 44 - WebM 480p



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          // 45 - WebM 720p (HD)
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          // 45 - WebM 720p (HD)



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          // Parse fmt_url_map
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          // Parse the formats map



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          $video_url = array();



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          $sep1 = '%2C';
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          $sep1 = '%2C';



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          $sep2 = '%26';
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          $sep2 = '%26';



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          $sep3 = '%3D';
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          $sep3 = '%3D';



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          if ( strpos($video_formats, ',') !== false ) // new UI
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          if ( strpos($videoFormats, ',') !== false )



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          {
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          {



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            $sep1 = ',';
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            $sep1 = ',';



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            $sep2 = '\\u0026';
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            $sep2 = (strpos($videoFormats, '&') !== false ? '&' : '\u0026');



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            $sep3 = '=';
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            $sep3 = '=';



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            if ( strpos($video_formats, '&') !== false )



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              $sep2 = '&';



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          }
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          }



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          $video_formats_group = explode($sep1, $video_formats);
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          for ($i=0; $i<count($video_formats_group); $i++)
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          $videoUrl = array();



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          $videoFormatsGroup = explode($sep1, $videoFormats);



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          for ($i=0; $i<count($videoFormatsGroup); $i++)



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          {
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          {



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            $video_formats_elem = explode($sep2, $video_formats_group[$i]);
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            $videoFormatsElem = explode($sep2, $videoFormatsGroup[$i]);



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            $url = explode($sep3, $video_formats_elem[0]);
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            if (count($videoFormatsElem) < 5) continue;



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            $itag = explode($sep3, $video_formats_elem[4]);
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            $partialResult1 = explode($sep3, $videoFormatsElem[0]);



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            $video_url[$itag[1]] = rawurldecode(rawurldecode($url[1]));
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            if (count($partialResult1) < 2) continue;



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            $video_url[$itag[1]] = str_replace('\/','/',$video_url[$itag[1]]);
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            $url = rawurldecode(rawurldecode($partialResult1[1]));



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            $video_url[$itag[1]] = str_replace('\u0026','&',$video_url[$itag[1]]);
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            $url = str_replace('\/','/',$url);



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            $url = str_replace('\u0026','&',$url);



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            $partialResult2 = explode($sep3, $videoFormatsElem[4]);



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            if (count($partialResult2) < 2) continue;



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            $itag = $partialResult2[1];



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            if (strpos($url, 'http') == 0) // validate URL



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              $videoUrl[$itag] = $url;



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          }
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          }



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          if (!isset($video_url[18]))
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          send_to_log(6,'Available YouTube formats for : '.$youtube_url, $videoUrl);



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          {



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            // Add standard MP4 format (fmt18), even if it's not included



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            $video_url[18] = 'http://www.youtube.com/get_video?fmt=18&video_id='.$video_id.'&t='.$video_ticket.'&asv=3';



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          }



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          send_to_log(6,'Available YouTube formats for : '.$youtube_url, $video_url);



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          // Determine whether to request the HD format
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          // Determine whether to request the HD format



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          $fmt = 18;
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          $fmt = 18;



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          if ( get_sys_pref('YOUTUBE_HD','YES') == 'YES' && isset($video_url[22]) )
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          if ( get_sys_pref('YOUTUBE_HD','YES') == 'YES' && isset($videoUrl[22]) )



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            $fmt = 22;
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            $fmt = 22;



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          // Store parsed details in $_SESSION to avoid reparsing.
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          // Store parsed details in $_SESSION to avoid reparsing.



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          if ( !empty($video_ticket) )
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          if ( !empty($videoTicket) )



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          {
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          {



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            $_SESSION["stream_url"] = $video_url[$fmt];
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            $_SESSION["stream_url"] = $videoUrl[$fmt];



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            $_SESSION["stream_filename"] = $video_title.'.mp4';
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            $_SESSION["stream_filename"] = $videoTitle.'.mp4';



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            $_SESSION["stream_id"] = $video_id;
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            $_SESSION["stream_id"] = $videoId;



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          }
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          }



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          else
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          else



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          {
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          {