Remux into mp4 container

[Petr Nejedly]

needs the moov atom at the beginning of the file

http://cutfromthenorth.com/placing-moov-atom-at-the-beginning-of-an-mpeg-4-video-with-ffmpeg/

[patters]

Ooh - does that genuinely write it out on the fly with some estimated duration, or is it actually just going to go back and insert it at the end of the encode? Could be very good news for iPads and Xboxes if it's true on-the-fly.

[Petr Nejedly]

not possible