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commit eada463e9a06385c1b1df0f4a8484f3954c67277 Author: Niklas Haas <[email protected]> AuthorDate: Wed Oct 28 14:52:56 2026 +0100 Commit: Niklas Haas <[email protected]> CommitDate: Sat Oct 31 13:37:58 2026 +0100 avfilter/vf_libplacebo: add sar option Forces the output sample aspect ratio, instead of deriving it from the input. Co-Authored-By: Claude Opus 5.5 <[email protected]> Sponsored-by: nxtedition AB Signed-off-by: Niklas Haas <[email protected]> --- doc/filters.texi | 4 ++++ libavfilter/vf_libplacebo.c | 5 +++++ 2 files changed, 9 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index 37f9123df4..cc2b28a72b 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -17190,6 +17190,10 @@ content with black borders, while a value of @code{1.0} always crops off parts of the content. Intermediate values are possible, leading to a mix of the two approaches. +@item sar +Force the output sample aspect ratio. The default of @code{0} derives it from +the input, see @option{reset_sar}. + @item fit_mode Specify the content fit strategy according to a list of predefined modes. Determines how the input image is to be placed inside the destination crop diff --git a/libavfilter/vf_libplacebo.c b/libavfilter/vf_libplacebo.c index 0c2b309bd3..a0b4d29585 100644 --- a/libavfilter/vf_libplacebo.c +++ b/libavfilter/vf_libplacebo.c @@ -186,6 +186,7 @@ typedef struct LibplaceboContext { int force_divisible_by; int reset_sar; int normalize_sar; + AVRational out_sar; int fit_mode; int fit_sense; int apply_filmgrain; @@ -1635,6 +1636,9 @@ static int libplacebo_config_output(AVFilterLink *outlink) outlink->sample_aspect_ratio = inlink->sample_aspect_ratio; } + if (s->out_sar.num) + outlink->sample_aspect_ratio = s->out_sar; + /* Frame rate */ if (s->fps.num) { ol->frame_rate = s->fps; @@ -1680,6 +1684,7 @@ fail: #define OPTS_COMMON \ { "format", "Output video format", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = STATIC }, \ + { "sar", "Output sample aspect ratio (0 for automatic)", OFFSET(out_sar), AV_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, INT_MAX, STATIC }, \ { "inherit_device", "Inherit the Vulkan device from the input's hardware frames context", \ OFFSET(inherit_device), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, .flags = STATIC }, \ { "shader_cache", "Set shader cache path", OFFSET(shader_cache), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = STATIC }, \ -- To stop receiving notification emails like this one, please contact [email protected]. _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
