Add Content light level and Mastering display colour volume v4l2 compounf controls, relevant payload structures and validation.
Signed-off-by: Stanimir Varbanov <[email protected]> --- drivers/media/v4l2-core/v4l2-ctrls.c | 62 ++++++++++++++++++++++++++++ include/media/hdr10-ctrls.h | 55 ++++++++++++++++++++++++ include/media/v4l2-ctrls.h | 3 ++ 3 files changed, 120 insertions(+) create mode 100644 include/media/hdr10-ctrls.h diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index ad47d00e28d6..028630576401 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -1024,6 +1024,9 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE: return "HEVC Decode Mode"; case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: return "HEVC Start Code"; + case V4L2_CID_MPEG_VIDEO_HDR10_CLL_INFO: return "HDR10 Content Light Info"; + case V4L2_CID_MPEG_VIDEO_HDR10_MASTERING_DISPLAY: return "HDR10 Mastering Display"; + /* CAMERA controls */ /* Keep the order of the 'case's the same as in v4l2-controls.h! */ case V4L2_CID_CAMERA_CLASS: return "Camera Controls"; @@ -1461,6 +1464,12 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: *type = V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS; break; + case V4L2_CID_MPEG_VIDEO_HDR10_CLL_INFO: + *type = V4L2_CTRL_TYPE_HDR10_CLL_INFO; + break; + case V4L2_CID_MPEG_VIDEO_HDR10_MASTERING_DISPLAY: + *type = V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY; + break; case V4L2_CID_UNIT_CELL_SIZE: *type = V4L2_CTRL_TYPE_AREA; *flags |= V4L2_CTRL_FLAG_READ_ONLY; @@ -1775,6 +1784,7 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, struct v4l2_ctrl_hevc_sps *p_hevc_sps; struct v4l2_ctrl_hevc_pps *p_hevc_pps; struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params; + struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering; struct v4l2_area *area; void *p = ptr.p + idx * ctrl->elem_size; unsigned int i; @@ -1934,6 +1944,52 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, zero_padding(*p_hevc_slice_params); break; + case V4L2_CTRL_TYPE_HDR10_CLL_INFO: + break; + + case V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY: + p_hdr10_mastering = p; + + for (i = 0; i < 3; ++i) { + if (p_hdr10_mastering->display_primaries_x[i] < + V4L2_HDR10_MASTERING_PRIMARIES_X_LOW || + p_hdr10_mastering->display_primaries_x[i] > + V4L2_HDR10_MASTERING_PRIMARIES_X_HIGH || + p_hdr10_mastering->display_primaries_y[i] < + V4L2_HDR10_MASTERING_PRIMARIES_Y_LOW || + p_hdr10_mastering->display_primaries_y[i] > + V4L2_HDR10_MASTERING_PRIMARIES_Y_HIGH) + return -EINVAL; + } + + if (p_hdr10_mastering->white_point_x < + V4L2_HDR10_MASTERING_WHITE_POINT_X_LOW || + p_hdr10_mastering->white_point_x > + V4L2_HDR10_MASTERING_WHITE_POINT_X_HIGH || + p_hdr10_mastering->white_point_y < + V4L2_HDR10_MASTERING_WHITE_POINT_Y_LOW || + p_hdr10_mastering->white_point_y > + V4L2_HDR10_MASTERING_WHITE_POINT_Y_HIGH) + return -EINVAL; + + if (p_hdr10_mastering->max_luminance < + V4L2_HDR10_MASTERING_MAX_LUMA_LOW || + p_hdr10_mastering->max_luminance > + V4L2_HDR10_MASTERING_MAX_LUMA_HIGH || + p_hdr10_mastering->min_luminance < + V4L2_HDR10_MASTERING_MIN_LUMA_LOW || + p_hdr10_mastering->min_luminance > + V4L2_HDR10_MASTERING_MIN_LUMA_HIGH) + return -EINVAL; + + if (p_hdr10_mastering->max_luminance == + V4L2_HDR10_MASTERING_MAX_LUMA_LOW && + p_hdr10_mastering->min_luminance == + V4L2_HDR10_MASTERING_MIN_LUMA_HIGH) + return -EINVAL; + + break; + case V4L2_CTRL_TYPE_AREA: area = p; if (!area->width || !area->height) @@ -2626,6 +2682,12 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS: elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params); break; + case V4L2_CTRL_TYPE_HDR10_CLL_INFO: + elem_size = sizeof(struct v4l2_ctrl_hdr10_cll_info); + break; + case V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY: + elem_size = sizeof(struct v4l2_ctrl_hdr10_mastering_display); + break; case V4L2_CTRL_TYPE_AREA: elem_size = sizeof(struct v4l2_area); break; diff --git a/include/media/hdr10-ctrls.h b/include/media/hdr10-ctrls.h new file mode 100644 index 000000000000..f6f77edc0b60 --- /dev/null +++ b/include/media/hdr10-ctrls.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * These are the HEVC state controls for use with stateless HEVC + * codec drivers. + * + * It turns out that these structs are not stable yet and will undergo + * more changes. So keep them private until they are stable and ready to + * become part of the official public API. + */ + +#ifndef _HDR10_CTRLS_H_ +#define _HDR10_CTRLS_H_ + +/* + * Content light level information. + * Source Rec. ITU-T H.265 v7 (11/2019) HEVC; D.2.35 + */ +#define V4L2_CID_MPEG_VIDEO_HDR10_CLL_INFO (V4L2_CID_MPEG_BASE + 1017) +#define V4L2_CTRL_TYPE_HDR10_CLL_INFO 0x0123 + +struct v4l2_ctrl_hdr10_cll_info { + __u16 max_content_light_level; + __u16 max_pic_average_light_level; +}; + +/* + * Mastering display colour volume. + * Source Rec. ITU-T H.265 v7 (11/2019) HEVC; D.2.28 + */ +#define V4L2_CID_MPEG_VIDEO_HDR10_MASTERING_DISPLAY (V4L2_CID_MPEG_BASE + 1018) +#define V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY 0x0124 + +#define V4L2_HDR10_MASTERING_PRIMARIES_X_LOW 5 +#define V4L2_HDR10_MASTERING_PRIMARIES_X_HIGH 37000 +#define V4L2_HDR10_MASTERING_PRIMARIES_Y_LOW 5 +#define V4L2_HDR10_MASTERING_PRIMARIES_Y_HIGH 42000 +#define V4L2_HDR10_MASTERING_WHITE_POINT_X_LOW 5 +#define V4L2_HDR10_MASTERING_WHITE_POINT_X_HIGH 37000 +#define V4L2_HDR10_MASTERING_WHITE_POINT_Y_LOW 5 +#define V4L2_HDR10_MASTERING_WHITE_POINT_Y_HIGH 42000 +#define V4L2_HDR10_MASTERING_MAX_LUMA_LOW 50000 +#define V4L2_HDR10_MASTERING_MAX_LUMA_HIGH 100000000 +#define V4L2_HDR10_MASTERING_MIN_LUMA_LOW 1 +#define V4L2_HDR10_MASTERING_MIN_LUMA_HIGH 50000 + +struct v4l2_ctrl_hdr10_mastering_display { + __u16 display_primaries_x[3]; + __u16 display_primaries_y[3]; + __u16 white_point_x; + __u16 white_point_y; + __u32 max_luminance; + __u32 min_luminance; +}; + +#endif diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index 4fbace0fc7e5..81bd026fc1ea 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -19,6 +19,7 @@ */ #include <media/mpeg2-ctrls.h> #include <media/fwht-ctrls.h> +#include <media/hdr10-ctrls.h> #include <media/h264-ctrls.h> #include <media/vp8-ctrls.h> #include <media/hevc-ctrls.h> @@ -80,6 +81,8 @@ union v4l2_ctrl_ptr { struct v4l2_ctrl_hevc_sps *p_hevc_sps; struct v4l2_ctrl_hevc_pps *p_hevc_pps; struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params; + struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll; + struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering; struct v4l2_area *p_area; void *p; const void *p_const; -- 2.17.1
