audio_proxy/interfaces/5.0/IBusDevice.hal

/* Copyright 2020 Google Inc. All Rights Reserved. */

package device.google.atv.audio_proxy@5.0;

import android.hardware.audio.common@5.0;
import android.hardware.audio@5.0::IStreamOut;
import android.hardware.audio@5.0::Result;

/**
 * Represents a bus device in audio HAL. Check Java AudioDeviceInfo.TYPE_BUS for
 * more details.
 */
interface IBusDevice {
    /**
     * Opens an audio stream for output. This function has the same requirement
     * as audio HAL IDevice.openOutputStream.
     */
    openOutputStream(
            AudioIoHandle ioHandle,
            DeviceAddress device,
            AudioConfig config,
            bitfield<AudioOutputFlag> flags,
            SourceMetadata sourceMetadata) generates (
                    Result retval,
                    IStreamOut outStream,
                    AudioConfig suggestedConfig);
};