avfilter/vf_colorbalance: add option to preserve lightness

d19fdc83 · Paul B Mahol · 09afddf0 · d19fdc83 · d19fdc83
Commit d19fdc83 authored Nov 13, 2019 by Paul B Mahol
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filters.texi doc/filters.texi +3 -0

vf_colorbalance.c libavfilter/vf_colorbalance.c +115 -46

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--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -7080,6 +7080,9 @@ Adjust red, green and blue midtones (medium pixels).
 Adjust red, green and blue highlights (brightest pixels).

 Allowed ranges for options are @code{[-1.0, 1.0]}. Defaults are @code{0}.
+
+@item pl
+Preserve lightness when changing color balance. Default is disabled.
 @end table

 @subsection Examples

--- a/libavfilter/vf_colorbalance.c
+++ b/libavfilter/vf_colorbalance.c