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