97 lines
3.9 KiB
C++
97 lines
3.9 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 <vector>
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#include <aidl/android/hardware/audio/effect/BnEffect.h>
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#include <system/audio_effects/effect_visualizer.h>
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#include "effect-impl/EffectImpl.h"
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namespace aidl::android::hardware::audio::effect {
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class VisualizerSwContext final : public EffectContext {
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public:
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// need align the min/max capture size to VISUALIZER_CAPTURE_SIZE_MIN and
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// VISUALIZER_CAPTURE_SIZE_MAX because of limitation in audio_utils fixedfft.
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static constexpr int32_t kMinCaptureSize = VISUALIZER_CAPTURE_SIZE_MIN;
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static constexpr int32_t kMaxCaptureSize = VISUALIZER_CAPTURE_SIZE_MAX;
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static constexpr int32_t kMaxLatencyMs = 3000;
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VisualizerSwContext(int statusDepth, const Parameter::Common& common)
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: EffectContext(statusDepth, common) {
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LOG(DEBUG) << __func__;
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mCaptureSampleBuffer.resize(kMaxCaptureSize);
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fill(mCaptureSampleBuffer.begin(), mCaptureSampleBuffer.end(), 0x80);
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}
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RetCode setVsCaptureSize(int captureSize);
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int getVsCaptureSize() const { return mCaptureSize; }
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RetCode setVsScalingMode(Visualizer::ScalingMode scalingMode);
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Visualizer::ScalingMode getVsScalingMode() const { return mScalingMode; }
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RetCode setVsMeasurementMode(Visualizer::MeasurementMode measurementMode);
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Visualizer::MeasurementMode getVsMeasurementMode() const { return mMeasurementMode; }
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RetCode setVsLatency(int latency);
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int getVsLatency() const { return mLatency; }
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Visualizer::Measurement getVsMeasurement() const { return mMeasurement; }
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std::vector<uint8_t> getVsCaptureSampleBuffer() const { return mCaptureSampleBuffer; }
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private:
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int mCaptureSize = kMaxCaptureSize;
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Visualizer::ScalingMode mScalingMode = Visualizer::ScalingMode::NORMALIZED;
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Visualizer::MeasurementMode mMeasurementMode = Visualizer::MeasurementMode::NONE;
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int mLatency = 0;
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const Visualizer::Measurement mMeasurement = {0, 0};
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std::vector<uint8_t> mCaptureSampleBuffer;
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};
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class VisualizerSw final : public EffectImpl {
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public:
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static const std::string kEffectName;
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static const Capability kCapability;
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static const Descriptor kDescriptor;
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VisualizerSw() { LOG(DEBUG) << __func__; }
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~VisualizerSw() {
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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<Range::VisualizerRange> kRanges;
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std::shared_ptr<VisualizerSwContext> mContext GUARDED_BY(mImplMutex);
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ndk::ScopedAStatus getParameterVisualizer(const Visualizer::Tag& tag,
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Parameter::Specific* specific) REQUIRES(mImplMutex);
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};
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} // namespace aidl::android::hardware::audio::effect
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