1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.audio
4 .. _AUDIO_SELECT_SOURCE:
15 .. attention:: This ioctl is deprecated
20 .. c:macro:: AUDIO_SELECT_SOURCE
22 ``int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)``
35 - File descriptor returned by a previous call to open().
39 - audio_stream_source_t source
41 - Indicates the source that shall be used for the Audio stream.
46 This ioctl call informs the audio device which source shall be used for
47 the input data. The possible sources are demux or memory. If
48 AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device
49 through the write command.
54 On success 0 is returned, on error -1 and the ``errno`` variable is set
55 appropriately. The generic error codes are described at the
56 :ref:`Generic Error Codes <gen-errors>` chapter.