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@xxxxxxxx>
---
Documentation/media/uapi/v4l/ext-ctrls-codec.rst | 5 ++++-
include/media/hevc-ctrls.h | 5 ++++-
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/Documentation/media/uapi/v4l/ext-ctrls-codec.rst b/Documentation/media/uapi/v4l/ext-ctrls-codec.rst
index aab1451e54d4..5415d5babcc2 100644
--- a/Documentation/media/uapi/v4l/ext-ctrls-codec.rst
+++ b/Documentation/media/uapi/v4l/ext-ctrls-codec.rst
@@ -3975,6 +3975,9 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
* - __u32
- ``data_bit_offset``
- Offset (in bits) to the video data in the current slice data.
+ * - __u32
+ - ``slice_segment_addr``
+ -
* - __u8
- ``nal_unit_type``
-
@@ -4052,7 +4055,7 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
- ``num_rps_poc_lt_curr``
- The number of reference pictures in the long-term set.
* - __u8
- - ``padding[7]``
+ - ``padding[5]``
- Applications and drivers must set this to zero.
* - struct :c:type:`v4l2_hevc_dpb_entry`
- ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h
index 1592e52c3614..3e2e32098312 100644
--- a/include/media/hevc-ctrls.h
+++ b/include/media/hevc-ctrls.h
@@ -167,6 +167,9 @@ struct v4l2_ctrl_hevc_slice_params {
__u32 bit_size;
__u32 data_bit_offset;
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
+ __u32 slice_segment_addr;
+
/* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */
__u8 nal_unit_type;
__u8 nuh_temporal_id_plus1;
@@ -200,7 +203,7 @@ struct v4l2_ctrl_hevc_slice_params {
__u8 num_rps_poc_st_curr_after;
__u8 num_rps_poc_lt_curr;
- __u8 padding;
+ __u8 padding[5];
/* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
--
2.24.0
