From 059ab33f5fdf6cb81994d552d129249685867cfc Mon Sep 17 00:00:00 2001 From: Dikshita Agarwal Date: Thu, 24 Dec 2020 12:25:34 +0100 Subject: [PATCH] BACKPORT: media: v4l2-ctrl: Add layer wise bitrate controls for h264 Adds bitrate control for all coding layers for h264 same as hevc. Signed-off-by: Dikshita Agarwal Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab (cherry picked from commit 4ca134ee98238c3aaf0bb51094716373d8ae8720) Change-Id: I83f3fa4ee81885eda62c006f0702edabe4577a17 Bug: 175370800 Link: https://lkml.org/lkml/2020/12/24/137 [dikshita : Original change has multiple dependencies, hence needs manual modifications to pick up the change in simplified way] Signed-off-by: Dikshita Agarwal --- .../media/v4l/ext-ctrls-codec.rst | 20 +++++++++++++++++++ drivers/media/v4l2-core/v4l2-ctrls.c | 7 +++++++ include/uapi/linux/v4l2-controls.h | 7 +++++++ 3 files changed, 34 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index b8fa32f854aa..c7834ee86118 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -1513,6 +1513,26 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type - * - Bit 16:32 - Layer number +``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR (integer)`` + Indicates bit rate (bps) for hierarchical coding layer 0 for H264 encoder. + +``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR (integer)`` + Indicates bit rate (bps) for hierarchical coding layer 1 for H264 encoder. + +``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR (integer)`` + Indicates bit rate (bps) for hierarchical coding layer 2 for H264 encoder. + +``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR (integer)`` + Indicates bit rate (bps) for hierarchical coding layer 3 for H264 encoder. + +``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR (integer)`` + Indicates bit rate (bps) for hierarchical coding layer 4 for H264 encoder. + +``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR (integer)`` + Indicates bit rate (bps) for hierarchical coding layer 5 for H264 encoder. + +``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR (integer)`` + Indicates bit rate (bps) for hierarchical coding layer 6 for H264 encoder. .. _v4l2-mpeg-h264: diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index abef73e102fe..e5b726fb7a93 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -922,6 +922,13 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP: return "H264 P-Frame Maximum QP Value"; case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP: return "H264 B-Frame Minimum QP Value"; case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP: return "H264 B-Frame Maximum QP Value"; + case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR: return "H264 Hierarchical Lay 0 Bitrate"; + case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR: return "H264 Hierarchical Lay 1 Bitrate"; + case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR: return "H264 Hierarchical Lay 2 Bitrate"; + case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR: return "H264 Hierarchical Lay 3 Bitrate"; + case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR: return "H264 Hierarchical Lay 4 Bitrate"; + case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR: return "H264 Hierarchical Lay 5 Bitrate"; + case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR: return "H264 Hierarchical Lay 6 Bitrate"; case V4L2_CID_MPEG_VIDEO_H264_SPS: return "H264 Sequence Parameter Set"; case V4L2_CID_MPEG_VIDEO_H264_PPS: return "H264 Picture Parameter Set"; case V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX: return "H264 Scaling Matrix"; diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index bc4be3396bdf..7961d381cae0 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -580,6 +580,13 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type { #define V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP (V4L2_CID_MPEG_BASE+388) #define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP (V4L2_CID_MPEG_BASE+389) #define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP (V4L2_CID_MPEG_BASE+390) +#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR (V4L2_CID_MPEG_BASE+391) +#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR (V4L2_CID_MPEG_BASE+392) +#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR (V4L2_CID_MPEG_BASE+393) +#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR (V4L2_CID_MPEG_BASE+394) +#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR (V4L2_CID_MPEG_BASE+395) +#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR (V4L2_CID_MPEG_BASE+396) +#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR (V4L2_CID_MPEG_BASE+397) #define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (V4L2_CID_MPEG_BASE+400) #define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP (V4L2_CID_MPEG_BASE+401) #define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP (V4L2_CID_MPEG_BASE+402)