1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2.. c:namespace:: DTV.audio
3
4.. _AUDIO_SET_STREAMTYPE:
5
6====================
7AUDIO_SET_STREAMTYPE
8====================
9
10Name
11----
12
13AUDIO_SET_STREAMTYPE
14
15.. attention:: This ioctl is deprecated
16
17Synopsis
18--------
19
20.. c:macro:: AUDIO_SET_STREAMTYPE
21
22``int ioctl(fd, AUDIO_SET_STREAMTYPE, int type)``
23
24Arguments
25---------
26
27.. flat-table::
28    :header-rows:  0
29    :stub-columns: 0
30
31    -
32
33       -  int fd
34
35       -  File descriptor returned by a previous call to open().
36
37    -
38
39       -  int type
40
41       -  stream type
42
43Description
44-----------
45
46This ioctl tells the driver which kind of audio stream to expect. This
47is useful if the stream offers several audio sub-streams like LPCM and
48AC3.
49
50Return Value
51------------
52
53On success 0 is returned, on error -1 and the ``errno`` variable is set
54appropriately. The generic error codes are described at the
55:ref:`Generic Error Codes <gen-errors>` chapter.
56
57
58.. flat-table::
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60    :stub-columns: 0
61
62    -  .. row 1
63
64       -  ``EINVAL``
65
66       -  type is not a valid or supported stream type.
67