2020-08-26 15:03:09 +08:00
|
|
|
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
|
2020-09-24 22:56:00 +08:00
|
|
|
.. c:namespace:: DTV.audio
|
2018-08-30 22:15:26 +08:00
|
|
|
|
2016-07-05 21:37:31 +08:00
|
|
|
.. _AUDIO_SET_MUTE:
|
|
|
|
|
2016-07-05 18:58:48 +08:00
|
|
|
==============
|
2016-07-05 21:37:31 +08:00
|
|
|
AUDIO_SET_MUTE
|
|
|
|
==============
|
|
|
|
|
2016-07-06 02:14:35 +08:00
|
|
|
Name
|
2016-07-05 18:58:48 +08:00
|
|
|
----
|
2016-07-05 21:37:31 +08:00
|
|
|
|
2016-07-05 18:58:48 +08:00
|
|
|
AUDIO_SET_MUTE
|
2016-07-05 21:37:31 +08:00
|
|
|
|
2016-08-20 03:56:15 +08:00
|
|
|
.. attention:: This ioctl is deprecated
|
2016-07-06 02:14:35 +08:00
|
|
|
|
|
|
|
Synopsis
|
2016-07-05 21:37:31 +08:00
|
|
|
--------
|
|
|
|
|
2020-09-24 22:56:00 +08:00
|
|
|
.. c:macro:: AUDIO_SET_MUTE
|
2016-07-05 21:37:31 +08:00
|
|
|
|
2020-09-24 22:56:00 +08:00
|
|
|
``int ioctl(int fd, AUDIO_SET_MUTE, boolean state)``
|
2016-07-05 21:37:31 +08:00
|
|
|
|
2016-07-06 02:14:35 +08:00
|
|
|
Arguments
|
2016-07-05 18:58:48 +08:00
|
|
|
---------
|
2016-07-05 21:37:31 +08:00
|
|
|
|
|
|
|
.. flat-table::
|
|
|
|
:header-rows: 0
|
|
|
|
:stub-columns: 0
|
|
|
|
|
2016-08-20 03:56:15 +08:00
|
|
|
-
|
2016-07-05 21:37:31 +08:00
|
|
|
|
|
|
|
- int fd
|
|
|
|
|
|
|
|
- File descriptor returned by a previous call to open().
|
|
|
|
|
2016-08-20 03:56:15 +08:00
|
|
|
-
|
2016-07-05 21:37:31 +08:00
|
|
|
|
|
|
|
- boolean state
|
|
|
|
|
|
|
|
- Indicates if audio device shall mute or not.
|
|
|
|
|
2016-08-20 03:56:15 +08:00
|
|
|
TRUE: Audio Mute
|
2016-07-05 21:37:31 +08:00
|
|
|
|
2016-08-20 03:56:15 +08:00
|
|
|
FALSE: Audio Un-mute
|
2016-07-05 21:37:31 +08:00
|
|
|
|
2016-07-06 02:14:35 +08:00
|
|
|
Description
|
2016-07-05 18:58:48 +08:00
|
|
|
-----------
|
|
|
|
|
2017-09-02 00:28:16 +08:00
|
|
|
This ioctl is for Digital TV devices only. To control a V4L2 decoder use the
|
2016-07-05 18:58:48 +08:00
|
|
|
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.
|
|
|
|
|
2016-07-06 02:14:35 +08:00
|
|
|
Return Value
|
2016-07-05 21:37:31 +08:00
|
|
|
------------
|
|
|
|
|
|
|
|
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.
|