linux-kernel - [PATCH v6 04/13] media: hevc: Add fields and flags for hevc PPS

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Message-Id: <20210318082046.51546-5-benjamin.gaignard@collabora.com>
Date:   Thu, 18 Mar 2021 09:20:37 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...labora.com>
To:     ezequiel@...labora.com, p.zabel@...gutronix.de, mchehab@...nel.org,
        robh+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        festevam@...il.com, lee.jones@...aro.org,
        gregkh@...uxfoundation.org, mripard@...nel.org,
        paul.kocialkowski@...tlin.com, wens@...e.org,
        jernej.skrabec@...l.net, hverkuil-cisco@...all.nl,
        emil.l.velikov@...il.com
Cc:     kernel@...gutronix.de, linux-imx@....com,
        linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        kernel@...labora.com,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>
Subject: [PATCH v6 04/13] media: hevc: Add fields and flags for hevc PPS

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@...labora.com>
---
 .../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 00944e97d638..d62e8e423f3b 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -3234,6 +3234,12 @@ 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``
       -
@@ -3342,6 +3348,14 @@ 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
 
 ``V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (struct)``
     Specifies various slice-specific parameters, especially from the NAL unit
diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h
index b4cb2ef02f17..003f819ecb26 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