audio-set-attributes.rst

.. -*- coding: utf-8; mode: rst -*-

.. _AUDIO_SET_ATTRIBUTES:

====================
AUDIO_SET_ATTRIBUTES
====================

NAME
----

AUDIO_SET_ATTRIBUTES

SYNOPSIS
--------

.. c:function:: int ioctl(fd, int request = AUDIO_SET_ATTRIBUTES, audio_attributes_t attr )


ARGUMENTS
---------

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       -  int fd

       -  File descriptor returned by a previous call to open().

    -  .. row 2

       -  int request

       -  Equals AUDIO_SET_ATTRIBUTES for this command.

    -  .. row 3

       -  audio_attributes_t attr

       -  audio attributes according to section ??


DESCRIPTION
-----------

This ioctl is intended for DVD playback and allows you to set certain
information about the audio 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.

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    -  .. row 1

       -  ``EINVAL``

       -  attr is not a valid or supported attribute setting.