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| author |   Stanimir Varbanov <stanimir.varbanov@linaro.org> | 2021-01-19 15:05:37 +0100 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-04-06 14:55:30 +0200 |
| commit | 4e4053a28f37ab45ee9d13b77b1b9f53923b87b3 (patch) | |
| tree | 8be875d1b6cf94f9a6ca635c5ff1778677c2b77c /Documentation/userspace-api | |
| parent | media: v4l: Add new Colorimetry Class (diff) | |
| download | linux-dev-4e4053a28f37ab45ee9d13b77b1b9f53923b87b3.tar.xz linux-dev-4e4053a28f37ab45ee9d13b77b1b9f53923b87b3.zip | |
media: docs: Document colorimetry class
Add a document for ext control colorimetry class.
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 'Documentation/userspace-api')
3 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/common.rst b/Documentation/userspace-api/media/v4l/common.rst index 8c263c5a85d8..ea0435182e44 100644 --- a/Documentation/userspace-api/media/v4l/common.rst +++ b/Documentation/userspace-api/media/v4l/common.rst @@ -51,6 +51,7 @@ applicable to all devices. ext-ctrls-fm-tx ext-ctrls-fm-rx ext-ctrls-detect + ext-ctrls-colorimetry fourcc format planar-apis diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst new file mode 100644 index 000000000000..862f78b41b32 --- /dev/null +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst @@ -0,0 +1,22 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later + +.. _colorimetry-controls: + +***************************** +Colorimetry Control Reference +***************************** + +The Colorimetry class includes controls for High Dynamic Range +imaging for representing colors in digital images and video. The +controls should be used for video and image encoding and decoding +as well as in HDMI receivers and transmitters. + +Colorimetry Control IDs +----------------------- + +.. _colorimetry-control-id: + +``V4L2_CID_COLORIMETRY_CLASS (class)`` + The Colorimetry class descriptor. Calling + :ref:`VIDIOC_QUERYCTRL` for this control will + return a description of this control class. 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 c50a76c70491..b460afe1ad4f 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst @@ -402,6 +402,10 @@ still cause this situation. - 0xa40000 - The class containing stateless codec controls. These controls are described in :ref:`codec-stateless-controls`. + * - ``V4L2_CTRL_CLASS_COLORIMETRY`` + - 0xa50000 + - The class containing colorimetry controls. These controls are + described in :ref:`colorimetry-controls`. Return Value ============ |