[FFmpeg-devel] Feedback requested (Re: [PATCH v2] libavfilter/vf_remap_opencl: make kernel handle subsampled chroma)

2025-09-09 Thread Matthias Welwarsky via ffmpeg-devel
Hi, looking for feedback for the patch mentioned in the subject, patchwork link: https://patchwork.ffmpeg.org/project/ffmpeg/patch/ 20250905150343.84933-1-ffm...@welwarsky.de/ If there's anything you'd like to see improved or changed, I'm happy to provide an update. This is my first patch for f

[FFmpeg-devel] [PATCH] libavfilter/vf_remap_opencl: make kernel handle subsampled chroma

2025-09-07 Thread Matthias Welwarsky via ffmpeg-devel
This patch fixes handling YUV frames with subsampled chroma. Before this patch, the remap kernel was already aware of multiple planes, but it treated the subsampled chroma incorrectly. The maps were read based on destination coordinates and the resulting source coordinates were also not correctly t

[FFmpeg-devel] [PATCH v2] libavfilter/vf_remap_opencl: make kernel handle subsampled chroma

2025-09-05 Thread Matthias Welwarsky via ffmpeg-devel
This patch fixes handling YUV frames with subsampled chroma. Before this patch, the remap kernel was already aware of multiple planes, but it treated the subsampled chroma incorrectly. The maps were read based on destination coordinates and the resulting source coordinates were also not correctly t