[FFmpeg-cvslog] avfilter/libplacebo: use a transparent default fillcolor
Niklas Haas
git at videolan.org
Wed Feb 19 19:34:08 EET 2025
ffmpeg | branch: master | Niklas Haas <git at haasn.dev> | Mon Feb 17 15:17:20 2025 +0100| [cd81f084917dacaffda3112fee6876501d399898] | committer: Niklas Haas
avfilter/libplacebo: use a transparent default fillcolor
This will leave the background transparent when the target format
contains an alpha channel, without affecting the behavior on formats
without one.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cd81f084917dacaffda3112fee6876501d399898
---
doc/filters.texi | 2 +-
libavfilter/vf_libplacebo.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index 9b9f393fb6..f281053965 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -16458,7 +16458,7 @@ approaches.
Set the color used to fill the output area not covered by the output image, for
example as a result of @option{normalize_sar}. For the general syntax of this
option, check the @ref{color syntax,,"Color" section in the ffmpeg-utils
-manual,ffmpeg-utils}. Defaults to @code{black}.
+manual,ffmpeg-utils}. Defaults to @code{black@@0}.
@item corner_rounding
Render frames with rounded corners. The value, given as a float ranging from
diff --git a/libavfilter/vf_libplacebo.c b/libavfilter/vf_libplacebo.c
index e1c6629f6d..cc07ccd8be 100644
--- a/libavfilter/vf_libplacebo.c
+++ b/libavfilter/vf_libplacebo.c
@@ -1288,7 +1288,7 @@ static const AVOption libplacebo_options[] = {
{ "force_divisible_by", "enforce that the output resolution is divisible by a defined integer when force_original_aspect_ratio is used", OFFSET(force_divisible_by), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 256, STATIC },
{ "normalize_sar", "force SAR normalization to 1:1 by adjusting pos_x/y/w/h", OFFSET(normalize_sar), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, STATIC },
{ "pad_crop_ratio", "ratio between padding and cropping when normalizing SAR (0=pad, 1=crop)", OFFSET(pad_crop_ratio), AV_OPT_TYPE_FLOAT, {.dbl=0.0}, 0.0, 1.0, DYNAMIC },
- { "fillcolor", "Background fill color", OFFSET(fillcolor), AV_OPT_TYPE_STRING, {.str = "black"}, .flags = DYNAMIC },
+ { "fillcolor", "Background fill color", OFFSET(fillcolor), AV_OPT_TYPE_STRING, {.str = "black at 0"}, .flags = DYNAMIC },
{ "corner_rounding", "Corner rounding radius", OFFSET(corner_rounding), AV_OPT_TYPE_FLOAT, {.dbl = 0.0}, 0.0, 1.0, .flags = DYNAMIC },
{ "extra_opts", "Pass extra libplacebo-specific options using a :-separated list of key=value pairs", OFFSET(extra_opts), AV_OPT_TYPE_DICT, .flags = DYNAMIC },
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