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| author | Stanimir Varbanov <stanimir.varbanov@linaro.org> | 2021-01-19 16:06:42 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-04-06 14:56:00 +0200 |
| commit | 1ad0de78e7944eef171340d9fa00f0a59458991c (patch) | |
| tree | 7c7eb7c4f19c985fe59f86eb82f2af2151640aa8 /drivers/media | |
| parent | 4e4053a28f37ab45ee9d13b77b1b9f53923b87b3 (diff) | |
| download | linux-1ad0de78e7944eef171340d9fa00f0a59458991c.tar.bz2 | |
media: v4l: Add HDR10 static metadata controls
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>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ctrls.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 89780c5a78e1..e7fcbaeec0ae 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -1219,6 +1219,8 @@ const char *v4l2_ctrl_get_name(u32 id) /* Colorimetry controls */ /* Keep the order of the 'case's the same as in v4l2-controls.h! */ case V4L2_CID_COLORIMETRY_CLASS: return "Colorimetry Controls"; + case V4L2_CID_COLORIMETRY_HDR10_CLL_INFO: return "HDR10 Content Light Info"; + case V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY: return "HDR10 Mastering Display"; default: return NULL; } @@ -1528,6 +1530,12 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, *type = V4L2_CTRL_TYPE_AREA; *flags |= V4L2_CTRL_FLAG_READ_ONLY; break; + case V4L2_CID_COLORIMETRY_HDR10_CLL_INFO: + *type = V4L2_CTRL_TYPE_HDR10_CLL_INFO; + break; + case V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY: + *type = V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY; + break; default: *type = V4L2_CTRL_TYPE_INTEGER; break; @@ -1828,6 +1836,12 @@ static void std_log(const struct v4l2_ctrl *ctrl) case V4L2_CTRL_TYPE_VP8_FRAME: pr_cont("VP8_FRAME"); break; + case V4L2_CTRL_TYPE_HDR10_CLL_INFO: + pr_cont("HDR10_CLL_INFO"); + break; + case V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY: + pr_cont("HDR10_MASTERING_DISPLAY"); + break; default: pr_cont("unknown type %d", ctrl->type); break; @@ -1880,6 +1894,7 @@ 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; @@ -2175,6 +2190,53 @@ 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_display_mastering_luminance < + V4L2_HDR10_MASTERING_MAX_LUMA_LOW || + p_hdr10_mastering->max_display_mastering_luminance > + V4L2_HDR10_MASTERING_MAX_LUMA_HIGH || + p_hdr10_mastering->min_display_mastering_luminance < + V4L2_HDR10_MASTERING_MIN_LUMA_LOW || + p_hdr10_mastering->min_display_mastering_luminance > + V4L2_HDR10_MASTERING_MIN_LUMA_HIGH) + return -EINVAL; + + /* The following restriction comes from ITU-T Rec. H.265 spec */ + if (p_hdr10_mastering->max_display_mastering_luminance == + V4L2_HDR10_MASTERING_MAX_LUMA_LOW && + p_hdr10_mastering->min_display_mastering_luminance == + V4L2_HDR10_MASTERING_MIN_LUMA_HIGH) + return -EINVAL; + + break; + case V4L2_CTRL_TYPE_AREA: area = p; if (!area->width || !area->height) @@ -2868,6 +2930,12 @@ 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; |