<?php  flv_convert_get_thumb('input.avi', 'output.jpg', 'output.ogm');  // code provided and updated by steve of phpsnaps ! thanks  // accepts:  // 1: the input video file  // 2: path to thumb jpg  // 3: path to transcoded mpeg?  function flv_convert_get_thumb($in, $out_thumb, $out_vid)  {    // get thumbnail    $cmd = 'ffmpeg -v 0 -y -i '.$in.' -vframes 1 -ss 5 -vcodec mjpeg -f rawvideo -s 286x160 -aspect 16:9 '.$out_thumb;    $res = shell_exec($cmd);    // $res is the output of the command    // transcode video    $cmd = 'mencoder '.$in.' -o '.$out_vid.' -af volume=10 -aspect 16:9 -of avi -noodml -ovc x264 -x264encopts bitrate=500:level_idc=41:bframes=3:frameref=2: nopsnr: nossim: pass=1: threads=auto -oac mp3lame';    $res = shell_exec($cmd);  }