This ioctl is deprecated
|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.|
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.