#8509: Converting 8 bit ARGB to Prores 4444 using prores_ks produces alpha
channel
that is not 100% opaque
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Reporter: bford | Owner:
Type: defect | Status: new
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: prores | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by cehoyos):
Replying to [ticket:8509 bford]:
> Using QTRLE for an output codec works fine; all alpha channel values are
correct.
Does `-vf format=argb` help?
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Ticket URL: <https://trac.ffmpeg.org/ticket/8509#comment:4>
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