On 2/10/2023 2:26 PM, Stefan Oltmanns wrote:
Can someone
simply explain what exactly is stored in the moov atom (not in theory
what everything could be in there, but what ffmpeg actually writes there
like "video codec information: x byte, audio codec information: x byte,
timecode+byteoffset: x byte for each frame and so on)
In the ffmpeg source it appears to be in libavformat/mov.c and movenc.c, but
the info actually included will vary with what's being stuffed into the
container.
Sidestepping the question, there are decent write-ups at
https://atomicparsley.sourceforge.net/mpeg-4files.html
https://www.cimarronsystems.com/wp-content/uploads/2017/04/Elements-of-the-H.264-VideoAAC-Audio-MP4-Movie-v2_0.pdf
And while it's old, you could grab a copy of AtomicParsley and see what's in
various test files.
(Please do not top-post on this mailing list, thanks.)
z!
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