| .. -*- 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. |