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media: hevc: Add segment address field

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If HEVC frame consists of multiple slices, segment address has to be
known in order to properly decode it.

Add segment address field to slice parameters.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.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:
Jernej Skrabec 2021-06-06 10:23:13 +02:00 committed by Mauro Carvalho Chehab
parent ed638b1d6f
commit 229e5bdcd3
2 changed files with 5 additions and 1 deletions
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3
Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
View File

@ -3000,6 +3000,9 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
* - __u8
- ``pic_struct``
-
* - __u32
- ``slice_segment_addr``
-
* - __u8
- ``ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
- The list of L0 reference elements as indices in the DPB.

3
include/media/hevc-ctrls.h
View File

@ -196,10 +196,11 @@ struct v4l2_ctrl_hevc_slice_params {
__u8 pic_struct;
/* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
__u32 slice_segment_addr;
__u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
__u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
__u8 padding[5];
__u8 padding;
/* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */
struct v4l2_hevc_pred_weight_table pred_weight_table;