1  <title>Effect Devices Interface</title>
2
3  <note>
4    <title>Suspended</title>
5
6    <para>This interface has been be suspended from the V4L2 API
7implemented in Linux 2.6 until we have more experience with effect
8device interfaces.</para>
9  </note>
10
11  <para>A V4L2 video effect device can do image effects, filtering, or
12combine two or more images or image streams. For example video
13transitions or wipes. Applications send data to be processed and
14receive the result data either with &func-read; and &func-write;
15functions, or through the streaming I/O mechanism.</para>
16
17  <para>[to do]</para>
18