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 VolumeSwContext final : public EffectContext { 29 public: VolumeSwContext(int statusDepth,const Parameter::Common & common)30 VolumeSwContext(int statusDepth, const Parameter::Common& common) 31 : EffectContext(statusDepth, common) { 32 LOG(DEBUG) << __func__; 33 } 34 35 RetCode setVolLevel(int level); 36 getVolLevel()37 int getVolLevel() const { return mLevel; } 38 39 RetCode setVolMute(bool mute); 40 getVolMute()41 bool getVolMute() const { return mMute; } 42 43 private: 44 int mLevel = 0; 45 bool mMute = false; 46 }; 47 48 class VolumeSw final : public EffectImpl { 49 public: 50 static const std::string kEffectName; 51 static const Capability kCapability; 52 static const Descriptor kDescriptor; VolumeSw()53 VolumeSw() { LOG(DEBUG) << __func__; } ~VolumeSw()54 ~VolumeSw() { 55 cleanUp(); 56 LOG(DEBUG) << __func__; 57 } 58 59 ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override; 60 ndk::ScopedAStatus setParameterSpecific(const Parameter::Specific& specific) 61 REQUIRES(mImplMutex) override; 62 ndk::ScopedAStatus getParameterSpecific(const Parameter::Id& id, Parameter::Specific* specific) 63 REQUIRES(mImplMutex) override; 64 65 std::shared_ptr<EffectContext> createContext(const Parameter::Common& common) 66 REQUIRES(mImplMutex) override; 67 RetCode releaseContext() REQUIRES(mImplMutex) override; 68 69 IEffect::Status effectProcessImpl(float* in, float* out, int samples) 70 REQUIRES(mImplMutex) override; getEffectName()71 std::string getEffectName() override { return kEffectName; } 72 73 private: 74 static const std::vector<Range::VolumeRange> kRanges; 75 std::shared_ptr<VolumeSwContext> mContext GUARDED_BY(mImplMutex); 76 77 ndk::ScopedAStatus getParameterVolume(const Volume::Tag& tag, Parameter::Specific* specific) 78 REQUIRES(mImplMutex); 79 }; 80 } // namespace aidl::android::hardware::audio::effect 81