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author | Paul B Mahol <onemda@gmail.com> | 2021-01-31 14:32:20 +0100 |
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committer | Paul B Mahol <onemda@gmail.com> | 2021-02-02 14:27:06 +0100 |
commit | 090f31f8130e8c91215827f9095f68a143f070fc (patch) | |
tree | 996a662022e87ff335ff6d9a6b6ad1d3e704cea8 /doc | |
parent | 38caef3876bb968cf85f44b20f6efb94fcb4b3ef (diff) |
avfilter: add colorcontrast filter
Diffstat (limited to 'doc')
-rw-r--r-- | doc/filters.texi | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index d2f62972dd..490586c063 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -8026,6 +8026,36 @@ colorbalance=rs=.3 This filter supports the all above options as @ref{commands}. +@section colorcontrast + +Adjust color contrast between RGB components. + +The filter accepts the following options: + +@table @option +@item rc +Set the red-cyan contrast. Defaults is 0.0. Allowed range is from -1.0 to 1.0. + +@item gm +Set the green-magenta contrast. Defaults is 0.0. Allowed range is from -1.0 to 1.0. + +@item by +Set the blue-yellow contrast. Defaults is 0.0. Allowed range is from -1.0 to 1.0. + +@item rcw +@item gmw +@item byw +Set the weight of each @code{rc}, @code{gm}, @code{by} option value. Default value is 0.0. +Allowed range is from 0.0 to 1.0. If all weights are 0.0 filtering is disabled. + +@item pl +Set the amount of preserving lightness. Default value is 0.0. Allowed range is from 0.0 to 1.0. +@end table + +@subsection Commands + +This filter supports the all above options as @ref{commands}. + @section colorchannelmixer Adjust video input frames by re-mixing color channels. |