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 <cstdlib> 20 #include <memory> 21 22 #include <aidl/android/hardware/audio/effect/BnEffect.h> 23 #include <fmq/AidlMessageQueue.h> 24 25 #include "effect-impl/EffectImpl.h" 26 27 namespace aidl::android::hardware::audio::effect { 28 29 class NoiseSuppressionSwContext final : public EffectContext { 30 public: NoiseSuppressionSwContext(int statusDepth,const Parameter::Common & common)31 NoiseSuppressionSwContext(int statusDepth, const Parameter::Common& common) 32 : EffectContext(statusDepth, common) { 33 LOG(DEBUG) << __func__; 34 } 35 36 RetCode setLevel(NoiseSuppression::Level level); 37 NoiseSuppression::Level getLevel(); 38 RetCode setType(NoiseSuppression::Type type); getType()39 NoiseSuppression::Type getType() { return mType; } 40 41 private: 42 NoiseSuppression::Level mLevel = NoiseSuppression::Level::LOW; 43 NoiseSuppression::Type mType = NoiseSuppression::Type::SINGLE_CHANNEL; 44 }; 45 46 class NoiseSuppressionSw final : public EffectImpl { 47 public: 48 static const std::string kEffectName; 49 static const bool kStrengthSupported; 50 static const Descriptor kDescriptor; NoiseSuppressionSw()51 NoiseSuppressionSw() { LOG(DEBUG) << __func__; } ~NoiseSuppressionSw()52 ~NoiseSuppressionSw() { 53 cleanUp(); 54 LOG(DEBUG) << __func__; 55 } 56 57 ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override; 58 ndk::ScopedAStatus setParameterSpecific(const Parameter::Specific& specific) 59 REQUIRES(mImplMutex) override; 60 ndk::ScopedAStatus getParameterSpecific(const Parameter::Id& id, Parameter::Specific* specific) 61 REQUIRES(mImplMutex) override; 62 63 std::shared_ptr<EffectContext> createContext(const Parameter::Common& common) 64 REQUIRES(mImplMutex) override; 65 RetCode releaseContext() REQUIRES(mImplMutex) override; 66 getEffectName()67 std::string getEffectName() override { return kEffectName; }; 68 IEffect::Status effectProcessImpl(float* in, float* out, int samples) 69 REQUIRES(mImplMutex) override; 70 71 private: 72 std::shared_ptr<NoiseSuppressionSwContext> mContext GUARDED_BY(mImplMutex); 73 ndk::ScopedAStatus getParameterNoiseSuppression(const NoiseSuppression::Tag& tag, 74 Parameter::Specific* specific) 75 REQUIRES(mImplMutex); 76 }; 77 } // namespace aidl::android::hardware::audio::effect 78