Comment 2 for bug 575232

Hy
Translating the ipod guide for ubuntu-it wiki, there's a pass explaining that the MP4 files generated from ffmpeg is not perfectly standard and it recommend to repack it with MP4Box installing gpac from repo.

command:

MP4Box -add original.mp4 fixed.mp4

source:
https://help.ubuntu.com/community/iPodVideoEncoding#Black%20Screen%20or%20iPod%20Resets%20When%20Trying%20to%20Play%20Video