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+.. -*- coding: utf-8; mode: rst -*-
+
+.. _VIDEO_SET_SPU:
+
+=============
+VIDEO_SET_SPU
+=============
+
+Name
+----
+
+VIDEO_SET_SPU
+
+
+Synopsis
+--------
+
+.. cpp:function:: int ioctl(fd, int request = VIDEO_SET_SPU , video_spu_t *spu)
+
+
+Arguments
+---------
+
+.. flat-table::
+    :header-rows:  0
+    :stub-columns: 0
+
+
+    -  .. row 1
+
+       -  int fd
+
+       -  File descriptor returned by a previous call to open().
+
+    -  .. row 2
+
+       -  int request
+
+       -  Equals VIDEO_SET_SPU for this command.
+
+    -  .. row 3
+
+       -  video_spu_t \*spu
+
+       -  SPU decoding (de)activation and subid setting according to section
+	  ??.
+
+
+Description
+-----------
+
+This ioctl activates or deactivates SPU decoding in a DVD input stream.
+It can only be used, if the driver is able to handle a DVD stream.
+
+
+Return Value
+------------
+
+On success 0 is returned, on error -1 and the ``errno`` variable is set
+appropriately. The generic error codes are described at the
+:ref:`Generic Error Codes <gen-errors>` chapter.
+
+
+
+.. flat-table::
+    :header-rows:  0
+    :stub-columns: 0
+
+
+    -  .. row 1
+
+       -  ``EINVAL``
+
+       -  input is not a valid spu setting or driver cannot handle SPU.