[FFmpeg-trac] #8509(swscale:open): Converting 8 bit ARGB to Prores 4444 using prores_ks produces alpha channel that is not 100% opaque
FFmpeg
trac at avcodec.org
Sun Feb 16 05:58:06 EET 2020
#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: open
Priority: normal | Component: swscale
Version: git-master | Resolution:
Keywords: prores | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Balling):
Replying to [comment:10 bford]:
> I can't figure out how to comment on the patch, but should this line of
the patch:
> dst[i]= (pal[d] >> 24)<<6 | pal[d]>>2;
> become:
> dst[i]= (pal[d] >> 24)<<6 | ((pal[d] >> 24) >> 2);
> ?
Aleady was noticed https://patchwork.ffmpeg.org/comment/51189/
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8509#comment:11>
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