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Date: Sun, 24 Aug 2025 13:59:52 -0700
To: Diego Felix de Souza via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
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Subject: Re: [FFmpeg-devel] [PATCH v2 3/3] avfilter/scale_cuda: Add support
 for 4:2:2 chroma subsampling
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From: Philip Langdale via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
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Cc: Philip Langdale <philipl@overt.org>, ddesouza@nvidia.com
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On Mon, 7 Jul 2025 11:45:36 +0200
Diego Felix de Souza via ffmpeg-devel <ffmpeg-devel@ffmpeg.org> wrote:

> From: Diego de Souza <ddesouza@nvidia.com>
> 
> 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>

Maybe this is actually the same as what Andreas was asking, but could
you split this change into two - with the first part just doing the
renames, and then the second part adding the 4:2:2 handling. The fact
that the renames get mixed in with the conversions causes it to be hard
to keep track of what is actually new.

Thanks,

--phil
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