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Posted By

fris on 12/27/07


Tagged

php file video media


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get time length of flash video file

Published in: PHP 

Credit goes to http://www.retoxmedia.com for this

Plain TextExpand 
  1. <?
  2. function get_flv_duration($file)
  3. {
  4.     if(file_exists($file))
  5.     {
  6.         $handle = fopen($file, "r");
  7.         $contents = fread($handle, filesize($file));
  8.         fclose($handle);
  9.  
  10.         if(strlen($contents) > 3)
  11.         {
  12.             if(substr($contents, 0, 3) == "FLV")
  13.             {
  14.                 $taglen = hexdec(bin2hex(substr($contents, strlen($contents) - 3)));
  15.                 if(strlen($contents) > $taglen)
  16.                 {
  17.                     $milliseconds = hexdec(bin2hex(substr($contents, strlen($contents) - $taglen, 3)));
  18.                     $seconds = $milliseconds / 1000;
  19.                     $duration = date("i:s", $seconds);
  20.                     return $duration;
  21.                 }
  22.             }
  23.         }
  24.     }
  25.     return false;
  26. }
  27.  
  28. echo get_flv_duration("video.flv");
  29. ?>

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