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Signed-off-by: Ming Qian Signed-off-by: TaoJiang --- .../userspace-api/media/v4l/vidioc-g-ext-ctrls.rst | 4 ++++ .../userspace-api/media/v4l/vidioc-queryctrl.rst | 12 ++++++++++++ .../userspace-api/media/videodev2.h.rst.exceptions | 1 + drivers/media/v4l2-core/v4l2-ctrls-core.c | 14 +++++++++++++- include/media/v4l2-ctrls.h | 2 ++ include/uapi/linux/videodev2.h | 8 ++++++++ 6 files changed, 40 insertions(+), 1 deletion(-) diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst index b8698b85bd80..f00c6d1f7784 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst @@ -203,6 +203,10 @@ still cause this situation. - ``p_rect`` - A pointer to a struct :c:type:`v4l2_rect`. Valid if this control is of type ``V4L2_CTRL_TYPE_RECT``. + * - struct :c:type:`v4l2_ctrl_video_region_param` * + - ``p_region`` + - A pointer to a struct :c:type:`v4l2_ctrl_video_region_param`. Valid if + this control is of type ``V4L2_CTRL_TYPE_REGION``. * - struct :c:type:`v4l2_ctrl_h264_sps` * - ``p_h264_sps`` - A pointer to a struct :c:type:`v4l2_ctrl_h264_sps`. Valid if this control is diff --git a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst index 3815732f6a9b..df3cd36b67ab 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst @@ -451,6 +451,18 @@ See also the examples in :ref:`control`. ``V4L2_CTRL_WHICH_MAX_VAL`` is optional and depends on the ``V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX`` flag. See the documentation of the specific control on how to interpret the minimum and maximum values. + * - ``V4L2_CTRL_TYPE_REGION`` + - n/a + - n/a + - n/a + - A struct :c:type:`v4l2_ctrl_video_region_param`, containing a rectangle + described by the position of its top-left corner, the width and the height. + And a parameter for detailed purpose, for example, it's QP offset for video + encoder ROI. Units depend on the use case. Support for + ``V4L2_CTRL_WHICH_MIN_VAL`` and ``V4L2_CTRL_WHICH_MAX_VAL`` is optional and + depends on the ``V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX`` flag. See the + documentation of the specific control on how to interpret the minimum and + maximum values. * - ``V4L2_CTRL_TYPE_H264_SPS`` - n/a - n/a diff --git a/Documentation/userspace-api/media/videodev2.h.rst.exceptions b/Documentation/userspace-api/media/videodev2.h.rst.exceptions index 35d3456cc812..22307e029883 100644 --- a/Documentation/userspace-api/media/videodev2.h.rst.exceptions +++ b/Documentation/userspace-api/media/videodev2.h.rst.exceptions @@ -151,6 +151,7 @@ replace symbol V4L2_CTRL_TYPE_HEVC_PPS :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_AREA :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_RECT :c:type:`v4l2_ctrl_type` +replace symbol V4L2_CTRL_TYPE_REGION :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_FWHT_PARAMS :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_VP8_FRAME :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR :c:type:`v4l2_ctrl_type` diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c index a3abbde5379b..8dabc6a87126 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-core.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c @@ -441,6 +441,11 @@ void v4l2_ctrl_type_op_log(const struct v4l2_ctrl *ctrl) ptr.p_rect->width, ptr.p_rect->height, ptr.p_rect->left, ptr.p_rect->top); break; + case V4L2_CTRL_TYPE_REGION: + pr_cont("%ux%u@%dx%d, %d", + ptr.p_rect->width, ptr.p_rect->height, + ptr.p_rect->left, ptr.p_rect->top, ptr.p_region->parameter); + break; default: pr_cont("unknown type %d", ctrl->type); break; @@ -886,6 +891,7 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params; struct v4l2_area *area; struct v4l2_rect *rect; + struct v4l2_ctrl_video_region_param *p_region; void *p = ptr.p + idx * ctrl->elem_size; unsigned int i; @@ -1248,7 +1254,10 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, if (!rect->width || !rect->height) return -EINVAL; break; - + case V4L2_CTRL_TYPE_REGION: + p_region = p; + zero_reserved(*p_region); + break; default: return -EINVAL; } @@ -1957,6 +1966,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, case V4L2_CTRL_TYPE_RECT: elem_size = sizeof(struct v4l2_rect); break; + case V4L2_CTRL_TYPE_REGION: + elem_size = sizeof(struct v4l2_ctrl_video_region_param); + break; default: if (type < V4L2_CTRL_COMPOUND_TYPES) elem_size = sizeof(s32); diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index 5c38d6d5ae5b..8b271a7485f4 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -57,6 +57,7 @@ struct video_device; * @p_av1_frame: Pointer to an AV1 frame structure. * @p_av1_film_grain: Pointer to an AV1 film grain structure. * @p_rect: Pointer to a rectangle. + * @p_region: Pointer to a video region * @p: Pointer to a compound value. * @p_const: Pointer to a constant compound value. */ @@ -91,6 +92,7 @@ union v4l2_ctrl_ptr { struct v4l2_ctrl_av1_frame *p_av1_frame; struct v4l2_ctrl_av1_film_grain *p_av1_film_grain; struct v4l2_rect *p_rect; + struct v4l2_ctrl_video_region_param *p_region; void *p; const void *p_const; }; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 4007041302d3..503cbb884734 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -448,6 +448,12 @@ struct v4l2_area { __u32 height; }; +struct v4l2_ctrl_video_region_param { + struct v4l2_rect rect; + __s32 parameter; + __u32 reserved[2]; +}; + /** * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP * @@ -1858,6 +1864,7 @@ struct v4l2_ext_control { __s64 __user *p_s64; struct v4l2_area __user *p_area; struct v4l2_rect __user *p_rect; + struct v4l2_ctrl_video_region_param __user *p_region; struct v4l2_ctrl_h264_sps __user *p_h264_sps; struct v4l2_ctrl_h264_pps __user *p_h264_pps; struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix; @@ -1931,6 +1938,7 @@ enum v4l2_ctrl_type { V4L2_CTRL_TYPE_U32 = 0x0102, V4L2_CTRL_TYPE_AREA = 0x0106, V4L2_CTRL_TYPE_RECT = 0x0107, + V4L2_CTRL_TYPE_REGION = 0x0108, V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,