fatal error after upload

[mizzy]

Fatal error: Class 'ffmpeg_movie' not found in... /include/classes/class.video_duration.php on line 54

I get this after I upload a video... is there a fix or what do I do?
thnx

[Grace1]

ffmpeg-php is not working properly on your server.
You need to install ffmpeg-php on you server for working vshare script

[mizzy]

okay... where will I get this from?a nd where in my server do I stick it and how???
thnx so much

[Grace1]

http://docs.buyscripts.in/Server_Setup

[mizzy]

my server guys fixed it... thnx so much!