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Thu, 29 Jan 2026 03:35:52 +0200 (EET) MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Date: Thu, 29 Jan 2026 01:35:52 -0000 Message-ID: <176965055275.25.4301284269767085378@4457048688e7> Message-ID-Hash: YWDW6M35YQZDDR772VYZSVEFI6JTNQ2O X-Message-ID-Hash: YWDW6M35YQZDDR772VYZSVEFI6JTNQ2O X-MailFrom: code@ffmpeg.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PR] avfilter/mestimate_d3d12: add documentation for the filter (PR #21602) List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Steven Xiao via ffmpeg-devel Cc: Steven Xiao Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: PR #21602 opened by Steven Xiao (younengxiao) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21602 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21602.patch Add documentation for filter "mestimate_d3d12". Also bump library version. This is the follow-up for commit https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21217/commits >>From 5459d41f7170dea320ad330a7b4eb552c2f16953 Mon Sep 17 00:00:00 2001 From: stevxiao Date: Wed, 28 Jan 2026 20:29:31 -0500 Subject: [PATCH] avfilter/mestimate_d3d12: add documentation for the filter Add documentation for filter "mestimate_d3d12". Also bump library version. This is the follow-up for commit https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21217/commits Signed-off-by: younengxiao --- doc/filters.texi | 26 ++++++++++++++++++++++++++ libavfilter/version.h | 2 +- 2 files changed, 27 insertions(+), 1 deletion(-) 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. diff --git a/libavfilter/version.h b/libavfilter/version.h index 44dacc29be..4239736a2d 100644 --- a/libavfilter/version.h +++ b/libavfilter/version.h @@ -31,7 +31,7 @@ #include "version_major.h" -#define LIBAVFILTER_VERSION_MINOR 11 +#define LIBAVFILTER_VERSION_MINOR 12 #define LIBAVFILTER_VERSION_MICRO 101 -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org