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/*
==============================================================================
This file is part of the IEM plug-in suite.
Author: Daniel Rudrich
Copyright (c) 2017 - Institute of Electronic Music and Acoustics (IEM)
https://iem.at
The IEM plug-in suite is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The IEM plug-in suite is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this software. If not, see <https://www.gnu.org/licenses/>.
==============================================================================
*/
#pragma once
#include "../../resources/AmbisonicDecoder.h"
#include "../../resources/AudioProcessorBase.h"
#include <JuceHeader.h>
#define CONFIGURATIONHELPER_ENABLE_DECODER_METHODS 1
#include "../../resources/ConfigurationHelper.h"
#include "../../resources/FilterVisualizerHelper.h"
#include "../../resources/ReferenceCountedDecoder.h"
#define ProcessorClass SimpleDecoderAudioProcessor
using namespace juce::dsp;
//==============================================================================
class SimpleDecoderAudioProcessor
: public AudioProcessorBase<IOTypes::Ambisonics<>, IOTypes::AudioChannels<>>
{
public:
constexpr static int numberOfInputChannels = 64;
constexpr static int numberOfOutputChannels = 64;
static const juce::StringArray weightsStrings;
//==============================================================================
SimpleDecoderAudioProcessor();
~SimpleDecoderAudioProcessor() override;
//==============================================================================
void prepareToPlay (double sampleRate, int samplesPerBlock) override;
void releaseResources() override;
void processBlock (juce::AudioSampleBuffer&, juce::MidiBuffer&) override;
//==============================================================================
juce::AudioProcessorEditor* createEditor() override;
bool hasEditor() const override;
//==============================================================================
int getNumPrograms() override;
int getCurrentProgram() override;
void setCurrentProgram (int index) override;
const juce::String getProgramName (int index) override;
void changeProgramName (int index, const juce::String& newName) override;
//==============================================================================
void getStateInformation (juce::MemoryBlock& destData) override;
void setStateInformation (const void* data, int sizeInBytes) override;
//==============================================================================
void parameterChanged (const juce::String& parameterID, float newValue) override;
void updateBuffers() override; // use this to implement a buffer update method
//======= Parameters ===========================================================
std::vector<std::unique_ptr<juce::RangedAudioParameter>> createParameterLayout();
//======= OSC ==================================================================
inline const bool processNotYetConsumedOSCMessage (const juce::OSCMessage& message) override;
//==============================================================================
juce::File getLastDir() { return lastDir; }
void setLastDir (juce::File newLastDir);
void loadConfiguration (const juce::File& presetFile);
juce::Atomic<bool> updateDecoderInfo = true;
juce::Atomic<bool> messageChanged { true };
juce::String getMessageForEditor() { return messageForEditor; }
ReferenceCountedDecoder::Ptr getCurrentDecoderConfig() { return decoderConfig; }
IIR::Coefficients<double>::Ptr cascadedHighPassCoeffs, cascadedLowPassCoeffs;
juce::Atomic<bool> guiUpdateLowPassCoefficients = true;
juce::Atomic<bool> guiUpdateHighPassCoefficients = true;
juce::Atomic<bool> guiUpdateLowPassGain = true;
juce::Atomic<bool> guiUpdateSampleRate = true;
private:
//==============================================================================
void updateLowPassCoefficients (double sampleRate, float frequency);
void updateHighPassCoefficients (double sampleRate, float frequency);
void loadConfigFromString (juce::String string);
// list of used audio parameters
std::atomic<float>* inputOrderSetting;
std::atomic<float>* useSN3D;
std::atomic<float>* lowPassFrequency;
std::atomic<float>* lowPassGain;
std::atomic<float>* highPassFrequency;
std::atomic<float>* swMode;
std::atomic<float>* swChannel;
std::atomic<float>* weights;
// =========================================
float omniGain = 0.0f;
juce::File lastDir;
juce::String lastConfigString;
std::unique_ptr<juce::PropertiesFile> properties;
juce::AudioBuffer<float> swBuffer;
// processors
std::unique_ptr<IIR::Filter<float>> lowPass1;
std::unique_ptr<IIR::Filter<float>> lowPass2;
IIR::Coefficients<float>::Ptr highPassCoeffs;
IIR::Coefficients<float>::Ptr lowPassCoeffs;
ProcessorDuplicator<IIR::Filter<float>, IIR::Coefficients<float>> highPass1;
ProcessorDuplicator<IIR::Filter<float>, IIR::Coefficients<float>> highPass2;
juce::dsp::Gain<float> masterGain;
juce::dsp::ProcessSpec highPassSpecs { 48000, 0, 0 };
AmbisonicDecoder decoder;
ReferenceCountedDecoder::Ptr decoderConfig { nullptr };
juce::String messageForEditor { "" };
//==============================================================================
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SimpleDecoderAudioProcessor)
};
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