123 lines
4.4 KiB
C++
123 lines
4.4 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <aidl/android/hardware/audio/effect/BnEffect.h>
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#include <fmq/AidlMessageQueue.h>
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#include <cstdlib>
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#include <memory>
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#include "effect-impl/EffectImpl.h"
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namespace aidl::android::hardware::audio::effect {
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class EqualizerSwContext final : public EffectContext {
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public:
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EqualizerSwContext(int statusDepth, const Parameter::Common& common)
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: EffectContext(statusDepth, common) {
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LOG(DEBUG) << __func__;
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}
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RetCode setEqPreset(const int& presetIdx) {
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if (presetIdx < 0 || presetIdx >= kMaxPresetNumber) {
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return RetCode::ERROR_ILLEGAL_PARAMETER;
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}
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mPreset = presetIdx;
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return RetCode::SUCCESS;
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}
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int getEqPreset() { return mPreset; }
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RetCode setEqBandLevels(const std::vector<Equalizer::BandLevel>& bandLevels) {
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if (bandLevels.size() > kMaxBandNumber) {
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LOG(ERROR) << __func__ << " return because size exceed " << kMaxBandNumber;
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return RetCode::ERROR_ILLEGAL_PARAMETER;
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}
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RetCode ret = RetCode::SUCCESS;
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for (auto& it : bandLevels) {
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if (it.index >= kMaxBandNumber || it.index < 0) {
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LOG(ERROR) << __func__ << " index illegal, skip: " << it.index << " - "
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<< it.levelMb;
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ret = RetCode::ERROR_ILLEGAL_PARAMETER;
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} else {
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mBandLevels[it.index] = it.levelMb;
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}
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}
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return ret;
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}
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std::vector<Equalizer::BandLevel> getEqBandLevels() {
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std::vector<Equalizer::BandLevel> bandLevels;
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for (int i = 0; i < kMaxBandNumber; i++) {
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bandLevels.push_back({i, mBandLevels[i]});
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}
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return bandLevels;
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}
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std::vector<int> getCenterFreqs() {
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return {std::begin(kPresetsFrequencies), std::end(kPresetsFrequencies)};
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}
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static const int kMaxBandNumber = 5;
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static const int kMaxPresetNumber = 10;
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static const int kCustomPreset = -1;
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private:
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static constexpr std::array<uint16_t, kMaxBandNumber> kPresetsFrequencies = {60, 230, 910, 3600,
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14000};
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// preset band level
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int mPreset = kCustomPreset;
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int32_t mBandLevels[kMaxBandNumber] = {3, 0, 0, 0, 3};
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// Add equalizer specific context for processing here
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};
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class EqualizerSw final : public EffectImpl {
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public:
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static const std::string kEffectName;
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static const Capability kEqCap;
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static const Descriptor kDesc;
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EqualizerSw() { LOG(DEBUG) << __func__; }
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~EqualizerSw() {
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cleanUp();
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LOG(DEBUG) << __func__;
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}
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ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override;
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ndk::ScopedAStatus setParameterSpecific(const Parameter::Specific& specific)
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REQUIRES(mImplMutex) override;
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ndk::ScopedAStatus getParameterSpecific(const Parameter::Id& id, Parameter::Specific* specific)
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REQUIRES(mImplMutex) override;
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std::shared_ptr<EffectContext> createContext(const Parameter::Common& common)
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REQUIRES(mImplMutex) override;
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RetCode releaseContext() REQUIRES(mImplMutex) override;
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IEffect::Status effectProcessImpl(float* in, float* out, int samples)
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REQUIRES(mImplMutex) override;
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std::string getEffectName() override { return kEffectName; }
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private:
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static const std::vector<Equalizer::BandFrequency> kBandFrequency;
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static const std::vector<Equalizer::Preset> kPresets;
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static const std::vector<Range::EqualizerRange> kRanges;
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ndk::ScopedAStatus getParameterEqualizer(const Equalizer::Tag& tag,
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Parameter::Specific* specific) REQUIRES(mImplMutex);
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std::shared_ptr<EqualizerSwContext> mContext;
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};
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} // namespace aidl::android::hardware::audio::effect
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