[PATCH v12 1/9] media: hevc: Add fields and flags for hevc PPS

From: Benjamin Gaignard
Date: Wed May 26 2021 - 08:47:06 EST


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@xxxxxxxxxxxxx>
Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
---
.../userspace-api/media/v4l/ext-ctrls-codec.rst | 14 ++++++++++++++
include/media/hevc-ctrls.h | 4 ++++
2 files changed, 18 insertions(+)

diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
index 0b8061666c57..9cfb471fc6be 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -2783,6 +2783,12 @@ 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``
-
@@ -2893,6 +2899,14 @@ 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

diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h
index 226fcfa0e026..245052c15864 100644
--- a/include/media/hevc-ctrls.h
+++ b/include/media/hevc-ctrls.h
@@ -100,10 +100,14 @@ 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;
--
2.25.1