#8049: dash muxer does not specify full codec string parameters for AV1
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Reporter: brion | Owner:
Type: defect | Status: open
Priority: normal | Component: avformat
Version: git-master | Resolution:
Keywords: av1 dash | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 1 |
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Changes (by jamrial):
* status: new => open
* reproduced: 0 => 1
* component: undetermined => avformat
* priority: minor => normal
* version: unspecified => git-master
* analyzed: 0 => 1
Comment:
The dash muxer is effectively not setting the codec string with the
minimum required values beyond the sample entry 4CC.
Unfortunately, even if we were to make the muxer look at the stream's
extradata to get the required information, the libaom encoder is currently
not propagating said extradata to begin with because of a known bug[1] in
their API that hasn't been fixed in almost a year now. It would work only
in remuxing scenarios until that's solved.
[1] https://bugs.chromium.org/p/aomedia/issues/detail?id=2208
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Ticket URL: <https://trac.ffmpeg.org/ticket/8049#comment:2>
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