media: uapi: HEVC: Add num_delta_pocs_of_ref_rps_idx field

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[ Upstream commit ae440c5da3 ]

Some drivers firmwares parse by themselves slice header and need
num_delta_pocs_of_ref_rps_idx value to parse slice header
short_term_ref_pic_set().
Use one of the 4 reserved bytes to store this value without
changing the v4l2_ctrl_hevc_decode_params structure size and padding.

This value also exist in DXVA API.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil: fix typo in num_delta_pocs_of_ref_rps_idx doc]
Stable-dep-of: 297160d411 ("media: mediatek: vcodec: move core context from device to each instance")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Benjamin Gaignard 2023-05-24 16:07:38 +08:00 • committed by Greg Kroah-Hartman

parent 36148a9b14

commit b608025733

2 changed files with 12 additions and 1 deletions

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include/uapi/linux/v4l2-controls.h

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