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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <vector>
#include <aidl/android/hardware/audio/effect/BnEffect.h>
#include "effect-impl/EffectImpl.h"
namespace aidl::android::hardware::audio::effect {
class VisualizerSwContext final : public EffectContext {
public:
static const int kMinCaptureSize = 0x80;
static const int kMaxCaptureSize = 0x400;
static const int kMaxLatencyMs = 3000;
static const int kMaxCaptureBufSize = 0xffff;
VisualizerSwContext(int statusDepth, const Parameter::Common& common)
: EffectContext(statusDepth, common) {
LOG(DEBUG) << __func__;
mCaptureSampleBuffer.resize(kMaxCaptureBufSize);
fill(mCaptureSampleBuffer.begin(), mCaptureSampleBuffer.end(), 0x80);
}
RetCode setVsCaptureSize(int captureSize);
int getVsCaptureSize() const { return mCaptureSize; }
RetCode setVsScalingMode(Visualizer::ScalingMode scalingMode);
Visualizer::ScalingMode getVsScalingMode() const { return mScalingMode; }
RetCode setVsMeasurementMode(Visualizer::MeasurementMode measurementMode);
Visualizer::MeasurementMode getVsMeasurementMode() const { return mMeasurementMode; }
RetCode setVsLatency(int latency);
int getVsLatency() const { return mLatency; }
Visualizer::Measurement getVsMeasurement() const { return mMeasurement; }
std::vector<uint8_t> getVsCaptureSampleBuffer() const { return mCaptureSampleBuffer; }
private:
int mCaptureSize = kMaxCaptureSize;
Visualizer::ScalingMode mScalingMode = Visualizer::ScalingMode::NORMALIZED;
Visualizer::MeasurementMode mMeasurementMode = Visualizer::MeasurementMode::NONE;
int mLatency = 0;
const Visualizer::Measurement mMeasurement = {0, 0};
std::vector<uint8_t> mCaptureSampleBuffer;
};
class VisualizerSw final : public EffectImpl {
public:
static const std::string kEffectName;
static const Capability kCapability;
static const Descriptor kDescriptor;
VisualizerSw() { LOG(DEBUG) << __func__; }
~VisualizerSw() {
cleanUp();
LOG(DEBUG) << __func__;
}
ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override;
ndk::ScopedAStatus setParameterSpecific(const Parameter::Specific& specific) override;
ndk::ScopedAStatus getParameterSpecific(const Parameter::Id& id,
Parameter::Specific* specific) override;
std::shared_ptr<EffectContext> createContext(const Parameter::Common& common) override;
std::shared_ptr<EffectContext> getContext() override;
RetCode releaseContext() override;
IEffect::Status effectProcessImpl(float* in, float* out, int samples) override;
std::string getEffectName() override { return kEffectName; }
private:
static const std::vector<Range::VisualizerRange> kRanges;
std::shared_ptr<VisualizerSwContext> mContext;
ndk::ScopedAStatus getParameterVisualizer(const Visualizer::Tag& tag,
Parameter::Specific* specific);
};
} // namespace aidl::android::hardware::audio::effect
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