0001 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
0002 .. c:namespace:: DTV.audio
0003
0004 .. _AUDIO_SELECT_SOURCE:
0005
0006 ===================
0007 AUDIO_SELECT_SOURCE
0008 ===================
0009
0010 Name
0011 ----
0012
0013 AUDIO_SELECT_SOURCE
0014
0015 .. attention:: This ioctl is deprecated
0016
0017 Synopsis
0018 --------
0019
0020 .. c:macro:: AUDIO_SELECT_SOURCE
0021
0022 ``int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)``
0023
0024 Arguments
0025 ---------
0026
0027 .. flat-table::
0028 :header-rows: 0
0029 :stub-columns: 0
0030
0031 -
0032
0033 - int fd
0034
0035 - File descriptor returned by a previous call to open().
0036
0037 -
0038
0039 - audio_stream_source_t source
0040
0041 - Indicates the source that shall be used for the Audio stream.
0042
0043 Description
0044 -----------
0045
0046 This ioctl call informs the audio device which source shall be used for
0047 the input data. The possible sources are demux or memory. If
0048 AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device
0049 through the write command.
0050
0051 Return Value
0052 ------------
0053
0054 On success 0 is returned, on error -1 and the ``errno`` variable is set
0055 appropriately. The generic error codes are described at the
0056 :ref:`Generic Error Codes <gen-errors>` chapter.
