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 
21 #include "effect-impl/EffectImpl.h"
22 
23 #include "VisualizerContext.h"
24 
25 namespace aidl::android::hardware::audio::effect {
26 
27 class VisualizerImpl final : public EffectImpl {
28   public:
29     static const std::string kEffectName;
30     static const Capability kCapability;
31     static const Descriptor kDescriptor;
32     VisualizerImpl() = default;
~VisualizerImpl()33     ~VisualizerImpl() { cleanUp(); }
34 
35     ndk::ScopedAStatus commandImpl(CommandId command) REQUIRES(mImplMutex) override;
36     ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override;
37     ndk::ScopedAStatus setParameterSpecific(const Parameter::Specific& specific)
38             REQUIRES(mImplMutex) override;
39     ndk::ScopedAStatus getParameterSpecific(const Parameter::Id& id, Parameter::Specific* specific)
40             REQUIRES(mImplMutex) override;
41     IEffect::Status effectProcessImpl(float* in, float* out, int process)
42             REQUIRES(mImplMutex) override;
43     std::shared_ptr<EffectContext> createContext(const Parameter::Common& common)
44             REQUIRES(mImplMutex) override;
45     RetCode releaseContext() REQUIRES(mImplMutex) override;
46 
getEffectName()47     std::string getEffectName() override { return kEffectName; }
48 
49   private:
50     static const std::vector<Range::VisualizerRange> kRanges;
51     std::shared_ptr<VisualizerContext> mContext GUARDED_BY(mImplMutex);
52     ndk::ScopedAStatus getParameterVisualizer(const Visualizer::Tag& tag,
53                                               Parameter::Specific* specific) REQUIRES(mImplMutex);
54 };
55 
56 }  // namespace aidl::android::hardware::audio::effect
57