Skip to content

F
ffmpeg
Commit dea673d0 authored by Soft Works's avatar Soft Works Committed by Paul B Mahol
Browse files
Options

avfilter/vf_palette(gen|use): support palettes with alpha

parent 3ee72501
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 231 additions and 138 deletions
doc/filters.texi
View file @ dea673d0
...@@ -16580,6 +16580,9 @@ Compute new histogram for each frame. ...@@ -16580,6 +16580,9 @@ Compute new histogram for each frame.
@end table @end table
Default value is @var{full}. Default value is @var{full}.
@item use_alpha
Create a palette of colors with alpha components.
Setting this, will automatically disable 'reserve_transparent'.
@end table @end table
The filter also exports the frame metadata @code{lavfi.color_quant_ratio} The filter also exports the frame metadata @code{lavfi.color_quant_ratio}
...@@ -16658,6 +16661,11 @@ will be treated as completely opaque, and values below this threshold will be ...@@ -16658,6 +16661,11 @@ will be treated as completely opaque, and values below this threshold will be
treated as completely transparent. treated as completely transparent.
The option must be an integer value in the range [0,255]. Default is @var{128}. The option must be an integer value in the range [0,255]. Default is @var{128}.
@item use_alpha
Apply the palette by taking alpha values into account. Only useful with
palettes that are containing multiple colors with alpha components.
Setting this will automatically disable 'alpha_treshold'.
@end table @end table
@subsection Examples @subsection Examples
......
libavfilter/vf_palettegen.c
View file @ dea673d0
This diff is collapsed.
libavfilter/vf_paletteuse.c
View file @ dea673d0
This diff is collapsed.
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment