From: Niklas Haas <g...@haasn.dev>
This will leave the background transparent when the target format
contains an alpha channel, without affecting the behavior on formats
without one.
---
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 4cefef6cbc..29ee6944f3 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@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 },
--
2.47.0
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