1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
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
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
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.
15 */
16
17#ifndef ANDROID_HARDWARE_DEVICES_FACTORY_HAL_INTERFACE_H
18#define ANDROID_HARDWARE_DEVICES_FACTORY_HAL_INTERFACE_H
19
20#include <media/audiohal/DeviceHalInterface.h>
21#include <utils/Errors.h>
22#include <utils/RefBase.h>
23
24namespace android {
25
26class DevicesFactoryHalInterface : public RefBase
27{
28  public:
29    // Opens a device with the specified name. To close the device, it is
30    // necessary to release references to the returned object.
31    virtual status_t openDevice(const char *name, sp<DeviceHalInterface> *device) = 0;
32
33    static sp<DevicesFactoryHalInterface> create();
34
35  protected:
36    // Subclasses can not be constructed directly by clients.
37    DevicesFactoryHalInterface() {}
38
39    virtual ~DevicesFactoryHalInterface() {}
40};
41
42} // namespace android
43
44#endif // ANDROID_HARDWARE_DEVICES_FACTORY_HAL_INTERFACE_H
45