1 /*
2  * Copyright (C) 2022 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 <aidl/android/hardware/audio/effect/BnEffect.h>
20 #include <fmq/AidlMessageQueue.h>
21 #include <cstdlib>
22 #include <memory>
23 
24 #include "effect-impl/EffectImpl.h"
25 
26 namespace aidl::android::hardware::audio::effect {
27 
28 class LoudnessEnhancerSwContext final : public EffectContext {
29   public:
LoudnessEnhancerSwContext(int statusDepth,const Parameter::Common & common)30     LoudnessEnhancerSwContext(int statusDepth, const Parameter::Common& common)
31         : EffectContext(statusDepth, common) {
32         LOG(DEBUG) << __func__;
33     }
34 
setLeGainMb(int gainMb)35     RetCode setLeGainMb(int gainMb) {
36         // TODO : Add implementation to apply new gain
37         mGainMb = gainMb;
38         return RetCode::SUCCESS;
39     }
getLeGainMb()40     int getLeGainMb() const { return mGainMb; }
41 
42   private:
43     int mGainMb = 0;  // Default Gain
44 };
45 
46 class LoudnessEnhancerSw final : public EffectImpl {
47   public:
48     static const std::string kEffectName;
49     static const Descriptor kDescriptor;
LoudnessEnhancerSw()50     LoudnessEnhancerSw() { LOG(DEBUG) << __func__; }
~LoudnessEnhancerSw()51     ~LoudnessEnhancerSw() {
52         cleanUp();
53         LOG(DEBUG) << __func__;
54     }
55 
56     ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override;
57     ndk::ScopedAStatus setParameterSpecific(const Parameter::Specific& specific)
58             REQUIRES(mImplMutex) override;
59     ndk::ScopedAStatus getParameterSpecific(const Parameter::Id& id, Parameter::Specific* specific)
60             REQUIRES(mImplMutex) override;
61 
62     std::shared_ptr<EffectContext> createContext(const Parameter::Common& common)
63             REQUIRES(mImplMutex) override;
64     RetCode releaseContext() REQUIRES(mImplMutex) override;
65 
66     IEffect::Status effectProcessImpl(float* in, float* out, int samples)
67             REQUIRES(mImplMutex) override;
getEffectName()68     std::string getEffectName() override { return kEffectName; }
69 
70   private:
71     std::shared_ptr<LoudnessEnhancerSwContext> mContext GUARDED_BY(mImplMutex);
72     ndk::ScopedAStatus getParameterLoudnessEnhancer(const LoudnessEnhancer::Tag& tag,
73                                                     Parameter::Specific* specific)
74             REQUIRES(mImplMutex);
75 };
76 }  // namespace aidl::android::hardware::audio::effect
77