Add a control to set intra-refresh type.
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
is set to non zero value.
Applicable to H264, H263 and MPEG4 encoder.
+``V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE (enum)``
+
+enum v4l2_mpeg_video_intra_refresh_period_type -
+ Sets the type of intra refresh. The period to refresh
+ the whole frame is specified by V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD.
+ Note that if this control is not present, then it is undefined what
+ refresh type is used and it is up to the driver to decide.
+ Applicable to H264 and HEVC encoders. Possible values are:
+
+.. tabularcolumns:: |p{9.6cm}|p{7.9cm}|
+
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
+
+ * - ``V4L2_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_RANDOM``
+ - The whole frame is completely refreshed randomly
+ after the specified period.
+ * - ``V4L2_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC``
+ - The whole frame MBs are completely refreshed in cyclic order
+ after the specified period.
+
``V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD (integer)``
Intra macroblock refresh period. This sets the period to refresh
the whole frame. In other words, this defines the number of frames
"VBV/CPB Limit",
NULL,
};
+ static const char * const intra_refresh_period_type[] = {
+ "Random",
+ "Cyclic",
+ NULL,
+ };
switch (id) {
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
return hevc_start_code;
case V4L2_CID_CAMERA_ORIENTATION:
return camera_orientation;
+ case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE:
+ return intra_refresh_period_type;
default:
return NULL;
}
case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: return "Decoder Slice Interface";
case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: return "MPEG4 Loop Filter Enable";
case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB: return "Number of Intra Refresh MBs";
+ case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE: return "Intra Refresh Period Type";
case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD: return "Intra Refresh Period";
case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE: return "Frame Level Rate Control Enable";
case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE: return "H264 MB Level Rate Control";
case V4L2_CID_STATELESS_H264_DECODE_MODE:
case V4L2_CID_STATELESS_H264_START_CODE:
case V4L2_CID_CAMERA_ORIENTATION:
+ case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE:
*type = V4L2_CTRL_TYPE_MENU;
break;
case V4L2_CID_LINK_FREQ:
#define V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (V4L2_CID_CODEC_BASE+234)
#define V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR (V4L2_CID_CODEC_BASE+235)
#define V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD (V4L2_CID_CODEC_BASE+236)
+#define V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE (V4L2_CID_CODEC_BASE+237)
+enum v4l2_mpeg_video_intra_refresh_period_type {
+ V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_RANDOM = 0,
+ V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC = 1,
+};
/* CIDs for the MPEG-2 Part 2 (H.262) codec */
#define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL (V4L2_CID_CODEC_BASE+270)