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Support 2 encoder ROI configurations that are rectangular region and QP map Signed-off-by: Ming Qian Signed-off-by: TaoJiang --- .../media/v4l/ext-ctrls-codec.rst | 73 +++++++++++++++++++ drivers/media/v4l2-core/v4l2-ctrls-defs.c | 29 ++++++++ include/uapi/linux/v4l2-controls.h | 10 +++ 3 files changed, 112 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index 4a379bd9e3fb..6b972247778c 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -1667,6 +1667,79 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type - Codecs need to always use the specified range, rather then a HW custom range. Applicable to encoders +``V4L2_CID_MPEG_VIDEO_ROI_MODE`` + (enum) + +enum v4l2_mpeg_video_roi_mode - + Video roi mode. Possible values are: + + + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + * - ``V4L2_MPEG_VIDEO_ROI_MODE_NONE`` + - No ROI in the MPEG stream + * - ``V4L2_MPEG_VIDEO_ROI_MODE_RECT`` + - Rectangle ROI mode + * - ``V4L2_MPEG_VIDEO_ROI_MODE_MAP`` + - Map ROI mode + +``V4L2_CID_MPEG_VIDEO_ROI_RECT (struct)`` + Select rectangular regions and specify the QP offset. The + struct :c:type:`v4l2_ctrl_video_region_param` provides the + rectangular region and the parameter to describe QP offset. + The maximum number of rectangular regions depends on the + hardware. This control is a dynamically sized array. This + control is applicable when ``V4L2_CID_MPEG_VIDEO_ROI_MODE`` + value is ``V4L2_MPEG_VIDEO_ROI_MODE_RECT``. Applicable to + encoders. + +.. c:type:: v4l2_ctrl_video_region_param + +.. raw:: latex + + \small + +.. tabularcolumns:: |p{4.0cm}|p{4.0cm}|p{4.0cm}| + +.. flat-table:: struct v4l2_ctrl_video_region_param + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 1 + + * - struct :c:type:`v4l2_rect` + - ``rect`` + - The rectangular region + * - __s32 + - ``parameter`` + - + * - __u32 + - ``reserved[2]`` + - + +.. raw:: latex + + \normalsize + +``V4L2_CID_MPEG_VIDEO_ROI_MAP (integer)`` + Specifies the QP offset for each block. This control is a + dynamically sized array. The array size can be calculated + from video resolution and the roi map block size which can + be got from ``V4L2_CID_MPEG_VIDEO_ROI_MAP_BLOCK_SIZE``. This + control is applicable when ``V4L2_CID_MPEG_VIDEO_ROI_MODE`` + value is ``V4L2_MPEG_VIDEO_ROI_MODE_MAP``. Applicable to + encoders. + +``V4L2_CID_MPEG_VIDEO_ROI_MAP_BLOCK_SIZE (struct)`` + This control returns the roi block size in pixels. The struct + :c:type:`v4l2_area` provides the width and height in separate + fields. This control is applicable when + ``V4L2_CID_MPEG_VIDEO_ROI_MODE`` value is + ``V4L2_MPEG_VIDEO_ROI_MODE_MAP``. This control depends on the + encoding format. Applicable to encoders. + .. raw:: latex \normalsize diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c index 1ea52011247a..54219a3b215a 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -612,6 +612,13 @@ const char * const *v4l2_ctrl_get_menu(u32 id) NULL, }; + static const char * const mpeg_video_roi_mode[] = { + "None", + "Rectangle", + "Map", + NULL, + }; + switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: return mpeg_audio_sampling_freq; @@ -750,6 +757,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id) return camera_orientation; case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE: return intra_refresh_period_type; + case V4L2_CID_MPEG_VIDEO_ROI_MODE: + return mpeg_video_roi_mode; default: return NULL; } @@ -971,6 +980,10 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX: return "Frame LTR Index"; case V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES: return "Use LTR Frames"; case V4L2_CID_MPEG_VIDEO_AVERAGE_QP: return "Average QP Value"; + case V4L2_CID_MPEG_VIDEO_ROI_MODE: return "Video ROI Mode"; + case V4L2_CID_MPEG_VIDEO_ROI_RECT: return "Video ROI Rectangle"; + case V4L2_CID_MPEG_VIDEO_ROI_MAP: return "Video ROI Map"; + case V4L2_CID_MPEG_VIDEO_ROI_MAP_BLOCK_SIZE: return "Video ROI Map Block Size"; case V4L2_CID_FWHT_I_FRAME_QP: return "FWHT I-Frame QP Value"; case V4L2_CID_FWHT_P_FRAME_QP: return "FWHT P-Frame QP Value"; @@ -1512,6 +1525,22 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, *type = V4L2_CTRL_TYPE_INTEGER; *flags |= V4L2_CTRL_FLAG_READ_ONLY; break; + case V4L2_CID_MPEG_VIDEO_ROI_MODE: + *type = V4L2_CTRL_TYPE_MENU; + *flags |= V4L2_CTRL_FLAG_UPDATE; + break; + case V4L2_CID_MPEG_VIDEO_ROI_RECT: + *type = V4L2_CTRL_TYPE_REGION; + *flags |= V4L2_CTRL_FLAG_DYNAMIC_ARRAY | V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX; + break; + case V4L2_CID_MPEG_VIDEO_ROI_MAP: + *type = V4L2_CTRL_TYPE_INTEGER; + *flags |= V4L2_CTRL_FLAG_DYNAMIC_ARRAY | V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX; + break; + case V4L2_CID_MPEG_VIDEO_ROI_MAP_BLOCK_SIZE: + *type = V4L2_CTRL_TYPE_AREA; + *flags |= V4L2_CTRL_FLAG_READ_ONLY; + break; case V4L2_CID_PIXEL_RATE: *type = V4L2_CTRL_TYPE_INTEGER64; *flags |= V4L2_CTRL_FLAG_READ_ONLY; diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index 974fd254e573..f6ed8e2f2de6 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -900,6 +900,16 @@ enum v4l2_mpeg_video_av1_level { #define V4L2_CID_MPEG_VIDEO_AVERAGE_QP (V4L2_CID_CODEC_BASE + 657) +enum v4l2_mpeg_video_roi_mode { + V4L2_MPEG_VIDEO_ROI_MODE_NONE, + V4L2_MPEG_VIDEO_ROI_MODE_RECT, + V4L2_MPEG_VIDEO_ROI_MODE_MAP +}; +#define V4L2_CID_MPEG_VIDEO_ROI_MODE (V4L2_CID_CODEC_BASE + 658) +#define V4L2_CID_MPEG_VIDEO_ROI_RECT (V4L2_CID_CODEC_BASE + 659) +#define V4L2_CID_MPEG_VIDEO_ROI_MAP (V4L2_CID_CODEC_BASE + 660) +#define V4L2_CID_MPEG_VIDEO_ROI_MAP_BLOCK_SIZE (V4L2_CID_CODEC_BASE + 661) + /* MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */ #define V4L2_CID_CODEC_CX2341X_BASE (V4L2_CTRL_CLASS_CODEC | 0x1000) #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE (V4L2_CID_CODEC_CX2341X_BASE+0)