Commit 4ca134ee authored by Dikshita Agarwal's avatar Dikshita Agarwal Committed by Mauro Carvalho Chehab
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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: default avatarDikshita Agarwal <dikshita@codeaurora.org>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 99d0cbe4

Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst

+20 −0
Original line number Diff line number Diff line
@@ -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-mpeg2:

drivers/media/v4l2-core/v4l2-ctrls.c

+7 −0
Original line number Diff line number Diff line
@@ -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_MPEG2_LEVEL:			return "MPEG2 Level";

	case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE:			return "MPEG2 Profile";

	case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:		return "MPEG4 I-Frame QP Value";

include/uapi/linux/v4l2-controls.h

+7 −0
Original line number Diff line number Diff line
@@ -592,6 +592,13 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type { 
#define V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP	(V4L2_CID_CODEC_BASE+388)

#define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP	(V4L2_CID_CODEC_BASE+389)

#define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP	(V4L2_CID_CODEC_BASE+390)

#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR	(V4L2_CID_CODEC_BASE+391)

#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR	(V4L2_CID_CODEC_BASE+392)

#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR	(V4L2_CID_CODEC_BASE+393)

#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR	(V4L2_CID_CODEC_BASE+394)

#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR	(V4L2_CID_CODEC_BASE+395)

#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR	(V4L2_CID_CODEC_BASE+396)

#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR	(V4L2_CID_CODEC_BASE+397)

#define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP	(V4L2_CID_CODEC_BASE+400)

#define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP	(V4L2_CID_CODEC_BASE+401)

#define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP	(V4L2_CID_CODEC_BASE+402)