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.. -*- coding: utf-8; mode: rst -*-
.. _AUDIO_SET_MUTE:
==============
AUDIO_SET_MUTE
==============
Name
----
AUDIO_SET_MUTE
Synopsis
--------
.. cpp:function:: int ioctl(int fd, int request = AUDIO_SET_MUTE, boolean state)
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 AUDIO_SET_MUTE for this command.
- .. row 3
- boolean state
- Indicates if audio device shall mute or not.
- .. row 4
-
- TRUE Audio Mute
- .. row 5
-
- FALSE Audio Un-mute
Description
-----------
This ioctl is for DVB devices only. To control a V4L2 decoder use the
V4L2 :ref:`VIDIOC_DECODER_CMD` with the
``V4L2_DEC_CMD_START_MUTE_AUDIO`` flag instead.
This ioctl call asks the audio device to mute the stream that is
currently being played.
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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