[FFmpeg-trac] #3345(swscale:closed): Bias in planar YUV to YUV bit depth conversion

FFmpeg trac at avcodec.org
Wed Dec 18 12:38:55 EET 2024


#3345: Bias in planar YUV to YUV bit depth conversion
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             Reporter:  abc123      |                    Owner:  (none)
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  swscale
              Version:  git-master  |               Resolution:  worksforme
             Keywords:  bounty      |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by Niklas Haas):

 Replying to [comment:19 Balling]:
 > Will your patch fix #7466 too?

 Unlikely. My patch will raise the average signal level by 0.5. It also
 only affects C routines. That issue seems to be about a completely
 different bug, most likely in some "optimized" ASM routine. (Since the
 bitexact flag fixes it)
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/3345#comment:20>
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