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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.audio@2.0;
import android.hardware.audio.common@2.0;
import IDevice;
interface IDevicesFactory {
typedef android.hardware.audio@2.0::Result Result;
enum Device : int32_t {
PRIMARY,
A2DP,
USB,
R_SUBMIX,
STUB
};
/**
* Opens an audio device. To close the device, it is necessary to release
* references to the returned device object.
*
* @param device device type.
* @return retval operation completion status. Returns INVALID_ARGUMENTS
* if there is no corresponding hardware module found,
* NOT_INITIALIZED if an error occured while opening the hardware
* module.
* @return result the interface for the created device.
*/
openDevice(Device device) generates (Result retval, IDevice result);
};