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ffmpeg/libavfilter
Diego de Souza c70afe5709 avfilter/scale_cuda: Add support for 4:2:2 chroma subsampling
The supported YUV pixel formats were separated between planar
and semiplanar. This approach reduces the number of CUDA kernels
for all pixel formats.

This patch:
1. Adds support for YUV 4:2:2 planar and semi-planar formats:
        yuv422p, yuv422p10, nv16, p210, p216
2. Implements new conversion structures and kernel definitions
        for planar and semi-planar formats

Signed-off-by: Diego de Souza <ddesouza@nvidia.com>
Backported-from: 75b8567591

Backporting notes: This patch is basically just re-organizing the internal
code; since I opted not to expand the actual format support list in the
hwcontext itself. This is just to prevent merge conflicts with later
backported commits.

Signed-off-by: Niklas Haas <git@haasn.dev>
2026-06-29 14:05:02 +02:00
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