blob: c0434a0bd324431c31d6c7c5ed72805d743ce9f4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
.. -*- coding: utf-8; mode: rst -*-
.. _AUDIO_SELECT_SOURCE:
===================
AUDIO_SELECT_SOURCE
===================
Name
----
AUDIO_SELECT_SOURCE
.. attention:: This ioctl is deprecated
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)
:name: AUDIO_SELECT_SOURCE
Arguments
---------
.. flat-table::
:header-rows: 0
:stub-columns: 0
-
- int fd
- File descriptor returned by a previous call to open().
-
- audio_stream_source_t source
- Indicates the source that shall be used for the Audio stream.
Description
-----------
This ioctl call informs the audio device which source shall be used for
the input data. The possible sources are demux or memory. If
AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device
through the write command.
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.
|