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media: hevc: Add fields and flags for hevc PPS

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Add fields and flags as they are defined in
7.4.3.3.1 "General picture parameter set RBSP semantics of the
H.265 ITU specification.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Benjamin Gaignard 2021-06-03 13:49:56 +02:00 committed by Mauro Carvalho Chehab
parent f1d9f31592
commit 4dd0f63b51
2 changed files with 18 additions and 0 deletions
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14
Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
View File

@ -2786,6 +2786,12 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
* - __u8
- ``num_extra_slice_header_bits``
-
* - __u8
- ``num_ref_idx_l0_default_active_minus1``
- Specifies the inferred value of num_ref_idx_l0_active_minus1
* - __u8
- ``num_ref_idx_l1_default_active_minus1``
- Specifies the inferred value of num_ref_idx_l1_active_minus1
* - __s8
- ``init_qp_minus26``
-
@ -2896,6 +2902,14 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
* - ``V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT``
- 0x00040000
-
* - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT``
- 0x00080000
- Specifies the presence of deblocking filter control syntax elements in
the PPS
* - ``V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING``
- 0x00100000
- Specifies that tile column boundaries and likewise tile row boundaries
are distributed uniformly across the picture
.. raw:: latex

4
include/media/hevc-ctrls.h
View File

@ -99,10 +99,14 @@ struct v4l2_ctrl_hevc_sps {
#define V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER (1ULL << 16)
#define V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT (1ULL << 17)
#define V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT (1ULL << 18)
#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT (1ULL << 19)
#define V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING (1ULL << 20)
struct v4l2_ctrl_hevc_pps {
/* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture parameter set */
__u8 num_extra_slice_header_bits;
__u8 num_ref_idx_l0_default_active_minus1;
__u8 num_ref_idx_l1_default_active_minus1;
__s8 init_qp_minus26;
__u8 diff_cu_qp_delta_depth;
__s8 pps_cb_qp_offset;