In 4:4:4 NV24 and NV42 1 this is how the CbCr planes are arranged. Unlike NV12, the chroma plane is twice the width of the luminance width.
Fixes #28980
Plus map NV24/NV42 to their libavutil equivalents.
https://www.kernel.org/doc/html/v4.10/media/uapi/v4l/pixfmt-nv24.html ↩