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Only ARGB32-type pixelformat were assumed to have 4 components, which is wrong since RGB32-type pixelformats may have an alpha channel, so they should also assume 4 color components. The XRGB32-type pixelformats really have only 3 color components, but this complicated matters since that creates strides that are sometimes width * 3 and sometimes width * 4, and in fact this can result in buffer overflows. Keep things simple by just always processing all 4 color components. In the future we might want to optimize this again for the XRGB32-type pixelformats, but for now keep it simple and robust. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Cc: <stable@vger.kernel.org> # for v5.4 and up Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
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| codec-fwht.c | ||
| codec-fwht.h | ||
| codec-v4l2-fwht.c | ||
| codec-v4l2-fwht.h | ||
| Kconfig | ||
| Makefile | ||
| vicodec-core.c | ||