ffmpeg-php is not installed on your server. If it is installed, you will be able to see it in phpinfo.

Check phpinfo at

http://video.bizhat.com/phpinfo.php

ffmpeg
ffmpeg support (ffmpeg-php) enabled
ffmpeg-php version 0.5.0
libavcodec version Lavc51.28.0
libavformat version Lavf51.7.0

Directive Local Value Master Value
ffmpeg.allow_persistent 0 0