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Linux kernel mirror (for testing)
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linux
1.. -*- coding: utf-8; mode: rst -*-
2
3.. _AUDIO_SET_BYPASS_MODE:
4
5=====================
6AUDIO_SET_BYPASS_MODE
7=====================
8
9Name
10----
11
12AUDIO_SET_BYPASS_MODE
13
14.. attention:: This ioctl is deprecated
15
16Synopsis
17--------
18
19.. c:function:: int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode)
20 :name: AUDIO_SET_BYPASS_MODE
21
22Arguments
23---------
24
25.. flat-table::
26 :header-rows: 0
27 :stub-columns: 0
28
29
30 -
31
32 - int fd
33
34 - File descriptor returned by a previous call to open().
35
36 -
37
38 - boolean mode
39
40 - Enables or disables the decoding of the current Audio stream in
41 the DVB subsystem.
42
43 TRUE: Bypass is disabled
44
45 FALSE: Bypass is enabled
46
47
48Description
49-----------
50
51This ioctl call asks the Audio Device to bypass the Audio decoder and
52forward the stream without decoding. This mode shall be used if streams
53that can’t be handled by the DVB system shall be decoded. Dolby
54DigitalTM streams are automatically forwarded by the DVB subsystem if
55the hardware can handle it.
56
57
58Return Value
59------------
60
61On success 0 is returned, on error -1 and the ``errno`` variable is set
62appropriately. The generic error codes are described at the
63:ref:`Generic Error Codes <gen-errors>` chapter.