#8210: Header Compression Issue ProRes MKV to MOV
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Reporter: | Owner:
frankiejones |
Type: defect | Status: new
Priority: normal | Component:
| undetermined
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by mkver):
I have a guess to why this is happening: When FFmpeg's Matroska demuxer
inverts the header stripping, it writes the size of the actual payload
(i.e. the size of the frame as it is in Matroska) into the in-band length
field. But in the mp4/mov world, said length field usually does not
contain the size of the payload only, but of the whole atom (i.e.
including the size field and the atom tag). So it might be that the
internal size field is short by eight bytes. I will produce files for you
to test in Premiere.
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Ticket URL: <https://trac.ffmpeg.org/ticket/8210#comment:2>
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