Add a control to enable inserting of AUD NALU into encoded
bitstream.
Reviewed-by: Hans Verkuil <[email protected]>
Signed-off-by: Stanimir Varbanov <[email protected]>
---
Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 5 +++++
drivers/media/v4l2-core/v4l2-ctrls.c | 2 ++
include/uapi/linux/v4l2-controls.h | 1 +
3 files changed, 8 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..c0e061835f50 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -679,6 +679,11 @@ enum v4l2_mpeg_video_frame_skip_mode -
otherwise the decoder expects a single frame in per buffer.
Applicable to the decoder, all codecs.
+``V4L2_CID_MPEG_VIDEO_AU_DELIMITER (boolean)``
+ If enabled then, AUD (Access Unit Delimiter) NALUs will be generated.
+ That could be useful to find the start of a frame without having to
+ fully parse each NALU. Applicable to the H264 and HEVC encoders.
+
``V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE (boolean)``
Enable writing sample aspect ratio in the Video Usability
Information. Applicable to the H264 encoder.
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c
b/drivers/media/v4l2-core/v4l2-ctrls.c
index f7b310240af2..c592da1a3187 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -874,6 +874,7 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MPEG_VIDEO_HEADER_MODE: return
"Sequence Header Mode";
case V4L2_CID_MPEG_VIDEO_MAX_REF_PIC: return "Max
Number of Reference Pics";
case V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE: return "Frame
Skip Mode";
+ case V4L2_CID_MPEG_VIDEO_AU_DELIMITER: return
"Generate Access Unit Delimiters";
case V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP: return "H263
I-Frame QP Value";
case V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP: return "H263
P-Frame QP Value";
case V4L2_CID_MPEG_VIDEO_H263_B_FRAME_QP: return "H263
B-Frame QP Value";
@@ -1247,6 +1248,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum
v4l2_ctrl_type *type,
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE:
case V4L2_CID_MPEG_VIDEO_MPEG4_QPEL:
case V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER:
+ case V4L2_CID_MPEG_VIDEO_AU_DELIMITER:
case V4L2_CID_WIDE_DYNAMIC_RANGE:
case V4L2_CID_IMAGE_STABILIZATION:
case V4L2_CID_RDS_RECEPTION:
diff --git a/include/uapi/linux/v4l2-controls.h
b/include/uapi/linux/v4l2-controls.h
index 039c0d7add1b..6614666a3c31 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -428,6 +428,7 @@ enum v4l2_mpeg_video_multi_slice_mode {
#define V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE
(V4L2_CID_CODEC_BASE+228)
#define V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME
(V4L2_CID_CODEC_BASE+229)
#define V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID
(V4L2_CID_CODEC_BASE+230)
+#define V4L2_CID_MPEG_VIDEO_AU_DELIMITER
(V4L2_CID_CODEC_BASE+231)
/* CIDs for the MPEG-2 Part 2 (H.262) codec */
#define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL
(V4L2_CID_CODEC_BASE+270)
--
2.25.1
