Hi, all!
Is there a way in V4L2 to get number of planes from fourcc code
or specifically I need number of planes for a given pixel format
expressed as V4L2_PIX_FMT_* value.
I know that DRM has such a helper [1], but I am not quite sure
if I can call it with V4L2_PIX_FMT_* as argument to get what I need.
I am a bit confused here because there are different definitions
for DRM [2] and V4L2 [3].
Thank you,
Oleksandr
[1]
https://elixir.bootlin.com/linux/v4.19-rc3/source/drivers/gpu/drm/drm_fourcc.c#L199
[2]
https://elixir.bootlin.com/linux/v4.19-rc3/source/include/uapi/drm/drm_fourcc.h
[3]
https://elixir.bootlin.com/linux/v4.19-rc3/source/include/uapi/linux/videodev2.h
