title: FFMPEG-PHP example code
body: <p>Can any one help me. I looking to convert a video file into flv using php and ffmpeg.
  I have tried some of the existing solution on stackoverflow but with no luck.</p>
  
  <p><code>exec('ffmpeg -i Videos/robot.avi -ab 96k -b 700k -ar 44100 -s 640x480 -acodec mp3 Videos/robot.flv');</code></p>
  
  <p>This is my code nothing happens when I execute this.</p>