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new 20cf8befd5 doc/filters: add entry for deinterlace_d3d12
20cf8befd5 is described below
commit 20cf8befd5f92b911ab8d3a06ad8a23cfaa4d003
Author: stevxiao <[email protected]>
AuthorDate: Tue Mar 3 11:38:50 2026 -0500
Commit: Gyan Doshi <[email protected]>
CommitDate: Sat Mar 7 04:47:16 2026 +0000
doc/filters: add entry for deinterlace_d3d12
Add documentation for the filter "deinterlace_d3d12" to the filters
documentation.
This is the follow-up for commit
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22386/commits
Signed-off-by: younengxiao <[email protected]>
---
doc/filters.texi | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 99 insertions(+)
diff --git a/doc/filters.texi b/doc/filters.texi
index e49dd9ef0d..5d222c6b96 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -11652,6 +11652,105 @@ Median
Do not actually modify frame. Useful when one only wants metadata.
@end table
+@section deinterlace_d3d12
+
+Deinterlace the input video using D3D12 hardware-accelerated video processing.
+
+This filter uses the DirectX 12 Video Processor to perform deinterlacing on
+GPU, supporting both simple bob and driver-defined advanced (motion-adaptive)
+algorithms. It requires the input to be in @code{d3d12} hardware pixel format.
+
+The filter automatically queries the hardware for the required number of
+temporal reference frames (if needed) and manages a frame queue to supply them.
+
+It accepts the following options:
+
+@table @option
+
+@item method
+The deinterlacing method. It accepts one of the following values:
+
+@table @samp
+@item default
+Select the best deinterlacing method available on the hardware.
+If the driver supports @code{custom}, that method is used; otherwise
+falls back to @code{bob}. This is the default.
+
+@item bob
+Bob deinterlacing. Each field is independently scaled to full
+frame height. Simple and fast, but may produce visible bob artifacts
+on moving content.
+
+@item custom
+Driver-defined advanced deinterlacing. The exact algorithm is
+hardware-specific and typically employs motion-adaptive techniques
+with temporal reference frames for higher quality.
+@end table
+
+The default value is @code{default}.
+
+@item mode
+Specify the interlacing mode. It accepts one of the following values:
+
+@table @samp
+@item frame
+Send one frame for each frame. The output frame rate equals the input
+frame rate. This is the default.
+
+@item field
+Send one frame for each field. The output frame rate is double the
+input frame rate.
+@end table
+
+The default value is @code{frame}.
+
+@item deint
+Specify which frames to deinterlace. It accepts one of the following values:
+
+@table @samp
+@item all
+Deinterlace all frames. This is the default.
+
+@item interlaced
+Only deinterlace frames marked as interlaced; progressive frames are
+passed through unchanged.
+@end table
+
+The default value is @code{all}.
+@end table
+
+@subsection Examples
+
+@itemize
+
+@item
+Deinterlace an interlaced video using software decoding and the best
+available hardware deinterlacing method:
+@example
+ffmpeg -init_hw_device d3d12va=d3d12 -filter_hw_device d3d12 -i input.ts \
+ -vf
"format=nv12,hwupload,deinterlace_d3d12=method=default,hwdownload,format=nv12" \
+ -c:v libx264 -crf 18 output.mp4
+@end example
+
+@item
+Deinterlace at field rate (double the frame rate) using bob method with
+hardware decoding (full d3d12 pipeline):
+@example
+ffmpeg -hwaccel d3d12va -hwaccel_output_format d3d12 -i input.ts \
+ -vf "deinterlace_d3d12=method=bob:mode=field" \
+ -c:v h264_d3d12va output.mp4
+@end example
+
+@item
+Deinterlace only interlaced frames, passing progressive frames through:
+@example
+ffmpeg -init_hw_device d3d12va=d3d12 -filter_hw_device d3d12 -i input.ts \
+ -vf
"format=nv12,hwupload,deinterlace_d3d12=deint=interlaced,hwdownload,format=nv12"
\
+ -c:v libx264 -crf 18 output.mp4
+@end example
+
+@end itemize
+
@section dejudder
Remove judder produced by partially interlaced telecined content.
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