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media: v4l: Add HDR10 static metadata controls

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Introduce Content light level and Mastering display colour
volume Colorimetry compound controls with relevant payload
structures and validation.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Stanimir Varbanov 2021-01-19 16:06:42 +01:00 • committed by Mauro Carvalho Chehab
parent 4e4053a28f
commit 1ad0de78e7
4 changed files with 106 additions and 0 deletions
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31
include/uapi/linux/v4l2-controls.h
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@ -1865,6 +1865,37 @@ struct v4l2_ctrl_vp8_frame {
#define V4L2_CID_COLORIMETRY_CLASS_BASE (V4L2_CTRL_CLASS_COLORIMETRY | 0x900)
#define V4L2_CID_COLORIMETRY_CLASS (V4L2_CTRL_CLASS_COLORIMETRY | 1)
#define V4L2_CID_COLORIMETRY_HDR10_CLL_INFO (V4L2_CID_COLORIMETRY_CLASS_BASE + 0)
struct v4l2_ctrl_hdr10_cll_info {
__u16 max_content_light_level;
__u16 max_pic_average_light_level;
};
#define V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY (V4L2_CID_COLORIMETRY_CLASS_BASE + 1)
#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_display_mastering_luminance;
__u32 min_display_mastering_luminance;
};
/* MPEG-compression definitions kept for backwards compatibility */
#ifndef __KERNEL__
#define V4L2_CTRL_CLASS_MPEG V4L2_CTRL_CLASS_CODEC