[Ffmpeg-cvslog] [Ffmpeg-cvslog-old] Re: [Ffmpeg-devel] MPEG-4 based AMC file format

[Guilhem Tardy]

Hi,

> Here some infos about the file format i found on a quick search.
> 
> http://viscom.kddlabs.co.jp/en/ezmovie/ezmovie_FAQ.htm

Thanks, but unfortunately those links don't say much about the format.

AMC is a proprietary file format, largely based on MPEG-4 (Quicktime) file
format from my investigation - reverse engineering? - so far.

The bitstream itself is MPEG-4 compliant, so MPlayer can read it without
problem.

What I am still hitting my head against is getting an AMC capable phone to read
my FFMPEG made files.

One thing that could help me...
in libavformat/movenc.c : mov_write_esds_tag()
what is the "flags" byte for?
In AMC files, it is set to 0x10.
And the track number starts from 1 (instead of 0).

Regards,
Guilhem.

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