1 /*
2  * Copyright (C) 2023 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 
19 #include <media/audiohal/EffectsFactoryHalInterface.h>
20 
21 namespace android::audioflinger {
22 
23 /**
24  * Effect Configuration abstraction and helper class.
25  */
26 class EffectConfiguration {
27 public:
isHidl()28     static bool isHidl() {
29         static const bool isHidl = getAudioHalVersionInfo().isHidl();
30         return isHidl;
31     }
32 
getEffectsFactoryHal()33     static const sp<EffectsFactoryHalInterface>& getEffectsFactoryHal() {
34         static const auto effectsFactoryHal = EffectsFactoryHalInterface::create();
35         return effectsFactoryHal;
36     }
37 
getAudioHalVersionInfo()38     static const detail::AudioHalVersionInfo& getAudioHalVersionInfo() {
39         static const auto audioHalVersionInfo = getEffectsFactoryHal() ?
40                 getEffectsFactoryHal()->getHalVersion() : detail::AudioHalVersionInfo{
41                         detail::AudioHalVersionInfo::Type::HIDL, 0 /* major */, 0 /* minor */ };
42         return audioHalVersionInfo;
43     }
44 };
45 
46 } // namespace android::audioflinger
47