<?php // references http://www.longtailvideo.com/support/forum/Modules/12661/External-PHP-with-FFmpeg-using-readfile- // generate a preview image from an FLV file on-the-fly, or to save // call with: ffmpeg_image.php?file=video.flv&time=00:00:05&browser=true // call with: ffmpeg_image.php?file=video.flv&percent=75.3&browser=true // no time defaults to "00:00:01" (one second), no browser defaults to "true" $videofile = (isset($_GET['file'])) ? strval($_GET['file']) : 'video.flv'; $image = substr($videofile, 0, strlen($videofile) - 4); $time = (isset($_GET['time'])) ? strval($_GET['time']) : '00:00:01'; // debug ("  File: ", $videofile); // debug (" Image: ", $image); // debug ("  Time: ", $time); // check time format if (!preg_match('/\d\d:\d\d:\d\d/', $time)) {   $time = "00:00:00"; } if (isset($_GET['percent'])) {   $percent = $_GET['percent']; // debug (" Percent: ", $percent);   ob_start();   exec("/usr/bin/ffmpeg -i \"". $videofile . "\" 2>&1");   $duration = ob_get_contents();   ob_end_clean();   // debug ("Duration: ", $duration);   preg_match('/Duration: (.*?),/', $duration, $matches);   $duration = $matches[1]; // debug ("Duration: ", $duration);   $duration_array = split(':', $duration);   $duration = $duration_array[0] * 3600 + $duration_array[1] * 60 + $duration_array[2];   $time = $duration * $percent / 100; // debug (" Time: ", $time);   $time = intval($time/3600) . ":" . intval(($time-(intval($time/3600)*3600))/60) . ":" . sprintf(".3f", ($time-(intval($time/60)*60))); // debug (" Time: ", $time); } $browser = (isset($_GET['browser'])) ? strval($_GET['browser']) : 'true'; // debug (" Browser: ", $browser); if ($browser == "true") {   header('Content-Type: image/png');   exec("/usr/bin/ffmpeg -vcodec png -i \"" . $videofile . "\" -ss " . $time . " -vframes 1 -f image2 -"); //header('Content-Type: image/jpeg'); //exec("/usr/bin/ffmpeg -vcodec mjpeg -i \"" . $videofile . "\" -ss " . $time . " -vframes 1 -f image2 -"); } else {   exec("/usr/bin/ffmpeg -vcodec png -i \"" . $videofile . "\" -ss " . $time . " -vframes 1 -f image2 \"" . $image . "\"%d.png"); //exec("/usr/bin/ffmpeg -vcodec mjpeg -i \"" . $videofile . "\" -ss " . $time . " -vframes 1 -f image2 \"" . $image . "\"%d.jpg"); } ?>