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doc/filters/libplacebo: add vaapi interop example 

Some testing revealed this to be a very efficient and reliable method of
ingesting GPU frames into libplacebo, so it's a good idea to give as an
example.
This commit is contained in:
Niklas Haas 2023-04-22 21:30:48 +02:00
parent 4fa691b761
commit 54126920fc
1 changed files with 6 additions and 0 deletions
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doc/filters.texi
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@ -16369,6 +16369,12 @@ since otherwise the VRAM roundtrip will more than offset any expected speedup.
@example @example
ffmpeg -export_side_data +film_grain ... -vf libplacebo=apply_filmgrain=true ffmpeg -export_side_data +film_grain ... -vf libplacebo=apply_filmgrain=true
@end example @end example
@item
Interop with VAAPI hwdec to avoid round-tripping through RAM:
@example
ffmpeg -init_hw_device vulkan -hwaccel vaapi -hwaccel_output_format vaapi ... -vf libplacebo
@end example
@end itemize @end itemize
@section libvmaf @section libvmaf