PR #21610 opened by Steven Xiao (younengxiao) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21610 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21610.patch
Add documentation for the filter "mestimate_d3d12" to the filters documentation. This is the follow-up for commit https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21217/commits >From aac5406afceab57e2afe0dfd23d31b569a7aae32 Mon Sep 17 00:00:00 2001 From: stevxiao <[email protected]> Date: Thu, 29 Jan 2026 10:14:25 -0500 Subject: [PATCH] doc/filters: add entry for mestimate_d3d12 Add documentation for the filter "mestimate_d3d12" to the filters documentation. This is the follow-up for commit https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21217/commits Signed-off-by: younengxiao <[email protected]> --- doc/filters.texi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index 0f64b4a3fa..9aecea7d88 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -18096,6 +18096,32 @@ Macroblock size. Default @code{16}. Search parameter. Default @code{7}. @end table +@section mestimate_d3d12 + +Estimate and export motion vectors using D3D12 hardware-accelerated motion estimation. +This filter uses GPU hardware motion estimation capabilities available in +DirectX 12 Video APIs to achieve significant performance improvements +over the software-based @code{mestimate} filter. + +Motion vectors are stored in frame side data to be used by other filters. + +This filter requires the input to be in @code{d3d12} hardware pixel format. +The filter uses quarter-pixel precision for motion vector estimation. + +This filter accepts the following options: +@table @option +@item mb_size +Macroblock size. Only @code{8} and @code{16} are supported. +Default @code{16}. +@end table + +@subsection Examples + +Estimate motion vectors using D3D12 hardware acceleration with 8x8 blocks: +@example +ffmpeg -hwaccel d3d12va -hwaccel_output_format d3d12 -i input.mp4 -vf mestimate_d3d12=mb_size=8 -f null - +@end example + @section midequalizer Apply Midway Image Equalization effect using two video streams. -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
