I am getting the same error but it was working perfectly until yesterday, How could it mean that it is an old version?

Code:
Running cron.php
CRON: 1
Video (193) Conversion starting...
File: /usr/local/www/data-dist/video/
-------------------------------------------------------------
INSERT INTO video SET
                                UID='3',
                                title='The Sopranos Season4 49 The Strong, Silent Type',
                                description='   Summary\r\n\r\nDirected by: Alan Taylor\r\nWritten by: Terence Winter, Robin Green & Mitchell Burgess\r\n\r\nWhere is Ralph Cifaretto?\r\n\r\nIf there were a \"New Jersey Wiseguy\'s FAQ,\" that\'s the question that would top it. Ralph hasn\'t been seen in days - not even ',
                                keyword='sopranos season4 sopranos_se4 season4 thesopranos mafia',
                                channel='0|53|0',
                                space = '0',
                                addtime='1191065530',
                                adddate='2007-09-29',
                                vkey='1203980085',
                                type='public',
                                active='0',
                                approve='1' 
------------------------------------------------------------- 
Video id: 326 
Calling ffmpeg-php -> ffmpeg_movie() 
Get video duration - START

Fatal error: Call to a member function getduration() on a non-object in /usr/local/www/data-dist/include/functions_upload.php on line 178

It is also quite sporadic, Allot of the time it works perfectly. Could it be having issues finding the video file?