Originally Posted by doduv2
If you could supply a place where I can download a sample, I'd be glad to check tonight.
Yesterday I tried .AVI/xvid (works) and .MPG (did not work).
I can't think of any trustworthy sites where you can directly download a sample mp4 video. The ones I have were downloaded from youtube using the DownloadHelper Add-on for Firefox. There is often an option to download either an mp4 or flv version of the video.
No worries if you don't already have any mp4 videos on hand. I don't want to put you through too much trouble.