#9898: Different result using FFmpeg 5.1 and 5.0.1 with -color_trc log /
log_sqrt
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Reporter: gabriele_ls | Owner: (none)
Type: defect | Status: new
Priority: normal | Component:
| undetermined
Version: unspecified | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Old description:
> I'm using FFmpeg to convert some video files shot in Slog3 with a Sony
> A7S III camera. I just discovered that I get different results using the
> command below on FFmpeg versions 5.1 and 5.0.1.
>
> This is the command I'm using:
>
> {{{
> % ffmpeg -i input -map 0:0 -map 0:1 -c:a aac -ab 320k -c:v libx264 -crf
> 15 -s 960x540 -pix_fmt yuv422p10le -profile:v high422 -preset fast -g 1
> -color_trc log_sqrt -color_range jpeg -o output
> }}}
>
> I'm on Windows 10, and I'm using the builds coming from CODEX FFMPEG
> (https://www.gyan.dev/ffmpeg/builds/).
>
> You can see an animated comparison of the results I'm getting here:
> https://dsc.cloud/3c482e/animated_comparison.gif.
>
> You can download sample input and output files here:
> https://we.tl/t-phTLinUeSh
New description:
I'm using FFmpeg to convert some video files shot in Slog3 with a Sony A7S
III camera. I just discovered that I get different results using the
command below on FFmpeg versions 5.1 and 5.0.1.
This is the command I'm using:
{{{
% ffmpeg -i input -map 0:0 -map 0:1 -c:a aac -ab 320k -c:v libx264 -crf 15
-s 960x540 -pix_fmt yuv422p10le -profile:v high422 -preset fast -g 1
-color_trc log_sqrt -color_range jpeg output
}}}
I'm on Windows 10, and I'm using the builds coming from CODEX FFMPEG
(https://www.gyan.dev/ffmpeg/builds/).
You can see an animated comparison of the results I'm getting here:
https://dsc.cloud/3c482e/animated_comparison.gif.
You can download sample input and output files here:
https://we.tl/t-phTLinUeSh
--
Comment (by gabriele_ls):
Hello Carl Eugen Hoyos, the command line I posted is the one I used.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9898#comment:2>
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