1 /*
2  * Copyright (C) 2020 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 #pragma once
18 #include <memory>
19 #include <android/hardware/audio/6.0/IDevicesFactory.h>
20 #include <dlfcn.h>
21 
22 namespace android {
23 namespace hardware {
24 namespace audio {
25 namespace V6_0 {
26 namespace implementation {
27 
28 using ::android::sp;
29 using ::android::hardware::hidl_string;
30 using ::android::hardware::Return;
31 using namespace ::android::hardware::audio::V6_0;
32 
33 struct DevicesFactory : public IDevicesFactory {
34     DevicesFactory();
35 
36     Return<void> openDevice(const hidl_string& device, openDevice_cb _hidl_cb) override;
37     Return<void> openPrimaryDevice(openPrimaryDevice_cb _hidl_cb) override;
38 
39 private:
40     struct DLDeleter {
operatorDevicesFactory::DLDeleter41         void operator()(void* dl) const {
42             ::dlclose(dl);
43         }
44     };
45 
46     std::unique_ptr<void, DLDeleter> mLegacyLib;
47     std::unique_ptr<IDevicesFactory> mLegacyFactory;
48 };
49 
50 }  // namespace implementation
51 }  // namespace V6_0
52 }  // namespace audio
53 }  // namespace hardware
54 }  // namespace android
55