#9195: vibrance (video filter) incorrect defaults for luma
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Reporter: Jim | Owner: Zhao
DeLaHunt | Zhili <zhilizhao@…>
Type: defect | Status: closed
Priority: normal | Component: avfilter
Version: git-master | Resolution: fixed
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Changes (by Zhao Zhili <zhilizhao@…>):
* owner: (none) => Zhao Zhili <zhilizhao@…>
* resolution: wontfix => fixed
Comment:
In [changeset:"2a49d05d1a92cd6454b4e6fc026a66b697c77e67/ffmpeg"
2a49d05d/ffmpeg]:
{{{#!CommitTicketReference repository="ffmpeg"
revision="2a49d05d1a92cd6454b4e6fc026a66b697c77e67"
avfilter/vf_vibrance: Update default value of rlum/blum
Fix #9195
It looks like vf_vibrance.c is similar to
https://github.com/zachsaw/RenderScripts/blob/master/RenderScripts/ImageProcessingShaders/SweetFX/Vibrance.hlsl
and
https://github.com/kevinlekiller/kwin-effect-
shaders_shaders/blob/main/Vibrance.frag
Originall written by Christian Cann Schuldt Jensen ~ CeeJay.dk.
They use same matrix coeff.
Signed-off-by: Zhao Zhili <[email protected]>
}}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/9195#comment:5>
FFmpeg <https://ffmpeg.org>
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