[FFmpeg-trac] #10495(avfilter:new): Optimized (x86 assembly) version of vf_ssim works incorrectly for some video inputs
FFmpeg
trac at avcodec.org
Mon Jul 31 15:38:04 EEST 2023
#10495: Optimized (x86 assembly) version of vf_ssim works incorrectly for some
video inputs
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Reporter: Evgeny | Owner: (none)
Type: defect | Status: new
Priority: normal | Component: avfilter
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Evgeny):
Replying to [comment:1 Elon Musk]:
> Are you sure this is not h264 related?
>
> You just use -cpuflags 0, no need to recompile new binary.
Tested with hevc video and got differences in SSIM too.
Submitted a fix to patchwork
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20230731112703.13730-2-lucenticus@gmail.com/
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Ticket URL: <https://trac.ffmpeg.org/ticket/10495#comment:2>
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