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Groups > linux.kernel > #1700131
| From | Jacob Chen <jacob-chen@iotwrt.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 2/6] [media] extended-controls.rst: add PorterDuff mode control |
| Date | 2017-07-31 17:40 +0200 |
| Message-ID | <u9kXw-7Zm-21@gated-at.bofh.it> (permalink) |
| References | <u9kXv-7Zm-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
PorterDuff mode control are used to determine
how two images are combined.
Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
---
Documentation/media/uapi/v4l/extended-controls.rst | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst
index abb1057..f9c93bb 100644
--- a/Documentation/media/uapi/v4l/extended-controls.rst
+++ b/Documentation/media/uapi/v4l/extended-controls.rst
@@ -3021,6 +3021,10 @@ Image Process Control IDs
The video deinterlacing mode (such as Bob, Weave, ...). The menu items are
driver specific and are documented in :ref:`v4l-drivers`.
+``V4L2_CID_PORTER_DUFF_MODE (menu)``
+ The PorterDuff blend modes. PorterDuff is way to overlay, combine and
+ trim images as if they were pieces of cardboard, device could use to
+ determine how two images are combined.
.. _dv-controls:
--
2.7.4
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[PATCH v4 0/5] Add Rockchip RGA V4l2 support Jacob Chen <jacob-chen@iotwrt.com> - 2017-07-31 17:40 +0200
[PATCH v4 2/6] [media] extended-controls.rst: add PorterDuff mode control Jacob Chen <jacob-chen@iotwrt.com> - 2017-07-31 17:40 +0200
Re: [PATCH v4 2/6] [media] extended-controls.rst: add PorterDuff mode control Hans Verkuil <hverkuil@xs4all.nl> - 2017-07-31 18:10 +0200
[PATCH v4 1/6] [media] v4l: add portduff blend modes Jacob Chen <jacob-chen@iotwrt.com> - 2017-07-31 17:40 +0200
Re: [PATCH v4 3/6] [media] rockchip/rga: v4l2 m2m support Hans Verkuil <hverkuil@xs4all.nl> - 2017-07-31 18:20 +0200
Re: [PATCH v4 3/6] [media] rockchip/rga: v4l2 m2m support Jacob Chen <jacobchen110@gmail.com> - 2017-08-02 05:20 +0200
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