1/* Copyright 2020 Google Inc. All Rights Reserved. */ 2 3package [email protected]; 4 5import [email protected]; 6import [email protected]::IStreamOut; 7import [email protected]::Result; 8 9/** 10 * Represents a bus device in audio HAL. Check Java AudioDeviceInfo.TYPE_BUS for 11 * more details. 12 */ 13interface IBusDevice { 14 /** 15 * Opens an audio stream for output. This function has the same requirement 16 * as audio HAL IDevice.openOutputStream. 17 */ 18 openOutputStream( 19 AudioIoHandle ioHandle, 20 DeviceAddress device, 21 AudioConfig config, 22 bitfield<AudioOutputFlag> flags, 23 SourceMetadata sourceMetadata) generates ( 24 Result retval, 25 IStreamOut outStream, 26 AudioConfig suggestedConfig); 27}; 28