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+ <title>Effect Devices Interface</title>
+ <note>
+ <title>Suspended</title>
+ <para>This interface has been be suspended from the V4L2 API
+implemented in Linux 2.6 until we have more experience with effect
+device interfaces.</para>
+ </note>
+ <para>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 &func-read; and &func-write;
+functions, or through the streaming I/O mechanism.</para>
+ <para>[to do]</para>