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Diffstat (limited to 'Documentation/media/uapi/v4l/dev-effect.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/dev-effect.rst | 21 |
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diff --git a/Documentation/media/uapi/v4l/dev-effect.rst b/Documentation/media/uapi/v4l/dev-effect.rst new file mode 100644 index 000000000..b946cc9e1 --- /dev/null +++ b/Documentation/media/uapi/v4l/dev-effect.rst @@ -0,0 +1,21 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _effect: + +************************ +Effect Devices Interface +************************ + +.. note:: + This interface has been be suspended from the V4L2 API. + The implementation for such effects should be done + via mem2mem devices. + +A V4L2 video effect device can do image effects, filtering, or combine +two or more images or image streams. For example video transitions or +wipes. Applications send data to be processed and receive the result +data either with :ref:`read() <func-read>` and +:ref:`write() <func-write>` functions, or through the streaming I/O +mechanism. + +[to do] |