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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/AudioProcessorBase.h"
#include "../JuceLibraryCode/JuceHeader.h"
#include "../../resources/Conversions.h"
#include "../../resources/Quaternion.h"
#include "../../resources/ReferenceCountedMatrix.h"
#include "../../resources/ht-api-juce/supperware/Tracker.h"
#include "../../resources/ht-api-juce/supperware/midi/midi.h"
#define ProcessorClass SceneRotatorAudioProcessor
//==============================================================================
class SceneRotatorAudioProcessor
: public AudioProcessorBase<IOTypes::Ambisonics<>, IOTypes::Ambisonics<>, true>,
private juce::MidiMessageCollector,
private juce::Timer,
private Midi::TrackerDriver::Listener
{
public:
constexpr static int numberOfInputChannels = 64;
constexpr static int numberOfOutputChannels = 64;
//==============================================================================
SceneRotatorAudioProcessor();
~SceneRotatorAudioProcessor();
//==============================================================================
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 interceptOSCMessage (juce::OSCMessage& message) override;
//==============================================================================
inline void updateQuaternions();
inline void updateEuler();
void rotateBuffer (juce::AudioBuffer<float>* bufferToRotate,
const int nChannels,
const int samples);
void calcRotationMatrix (const int order);
//======= MIDI Connection ======================================================
enum class MidiScheme
{
none = 0,
mrHeadTrackerYprDir,
mrHeadTrackerYprInv,
mrHeadTrackerQuaternions,
supperwareQuaternions
};
const juce::StringArray midiSchemeNames { "none (link only)",
"MrHT YPR Direct",
"MrHT YPR Inverse",
"MrHT Quaternions",
"Supperware" };
const juce::Identifier midiSchemeIdentifieres[5] { "none",
"MrHT_YprDir",
"MrHT_YprInv",
"MrHT_Quat",
"Sup_Quat" };
juce::MidiDeviceInfo getCurrentMidiDeviceInfo();
void openMidiInput (juce::MidiDeviceInfo midiDevice,
bool forceUpdatingCurrentMidiDeviceName = false);
void openMidiInput (juce::String midiDeviceName,
bool forceUpdatingCurrentMidiDeviceName = false);
void closeMidiInput();
const juce::StringArray getMidiSchemes() { return midiSchemeNames; };
MidiScheme getCurrentMidiScheme() { return currentMidiScheme; };
void setMidiScheme (MidiScheme newMidiScheme);
//======= Supperware ===========================================================
void trackerMidiConnectionChanged (Midi::State newState) override;
void trackerOrientationQ (float inp_qw, float inp_qx, float inp_qy, float inp_qz) override;
//==============================================================================
// Flags for editor
juce::Atomic<bool> deviceHasChanged = false;
juce::Atomic<bool> showMidiOpenError = false;
juce::Atomic<bool> schemeHasChanged = false;
private:
//==============================================================================
juce::Atomic<bool> usingYpr = true;
// list of used audio parameters
std::atomic<float>* orderSetting;
std::atomic<float>* useSN3D;
std::atomic<float>* yaw;
std::atomic<float>* pitch;
std::atomic<float>* roll;
std::atomic<float>* qw;
std::atomic<float>* qx;
std::atomic<float>* qy;
std::atomic<float>* qz;
std::atomic<float>* invertYaw;
std::atomic<float>* invertPitch;
std::atomic<float>* invertRoll;
std::atomic<float>* invertQuaternion;
std::atomic<float>* rotationSequence;
juce::Atomic<bool> updatingParams { false };
juce::Atomic<bool> rotationParamsHaveChanged { true };
juce::AudioBuffer<float> copyBuffer;
juce::OwnedArray<juce::dsp::Matrix<float>> orderMatrices;
juce::OwnedArray<juce::dsp::Matrix<float>> orderMatricesCopy;
double P (int i,
int l,
int a,
int b,
juce::dsp::Matrix<float>& R1,
juce::dsp::Matrix<float>& Rlm1);
double U (int l, int m, int n, juce::dsp::Matrix<float>& Rone, juce::dsp::Matrix<float>& Rlm1);
double V (int l, int m, int n, juce::dsp::Matrix<float>& Rone, juce::dsp::Matrix<float>& Rlm1);
double W (int l, int m, int n, juce::dsp::Matrix<float>& Rone, juce::dsp::Matrix<float>& Rlm1);
void timerCallback() override;
// ============ MIDI Device Connection ======================
// MrHeadTracker 14-bit MIDI Data
int yawLsb = 0, pitchLsb = 0, rollLsb = 0;
int qwLsb = 0, qxLsb = 0, qyLsb = 0, qzLsb = 0;
std::unique_ptr<juce::MidiInput> midiInput;
juce::MidiDeviceInfo currentMidiDeviceInfo;
MidiScheme currentMidiScheme = MidiScheme::none;
juce::CriticalSection changingMidiDevice;
// TrackerDriver for Supperware head tracker
Midi::TrackerDriver trackerDriver;
Midi::State supMidiState = Midi::State::Unavailable;
//==============================================================================
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SceneRotatorAudioProcessor)
};
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