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Some hardware (e.g.: Rockchip's rk3588 hevc decoder) need to fully parse the slice header, which cannot be passed with the current controls. There is also no skip method similar as to what can be found in verisilicon HW. The SPS is therefore extended through these 2 new controls, providing the long and short term reference information from the slice header for HEVC decoding. These now controls are similar as what is passed in the Vulkan Video API with the StdVideoH265ShortTermRefPicSet and StdVideoH265LongTermRefPicsSps structures embedded in the SPS struct. Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com> Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>