paulxstretch/Source/PluginProcessor.h

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// SPDX-License-Identifier: GPLv3-or-later WITH Appstore-exception
// Copyright (C) 2017 Xenakios
// Copyright (C) 2020 Jesse Chappell
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#pragma once
#include "PS_Source/PaulStretchControl.h"
#include "../JuceLibraryCode/JuceHeader.h"
#include "jcdp_envelope.h"
#include <array>
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class MyThumbCache;
class AudioFilePreviewComponent;
const int cpi_main_volume = 0;
const int cpi_stretchamount = 1;
const int cpi_fftsize = 2;
const int cpi_pitchshift = 3;
const int cpi_frequencyshift = 4;
const int cpi_soundstart = 5;
const int cpi_soundend = 6;
const int cpi_freeze = 7;
const int cpi_spreadamount = 8;
const int cpi_compress = 9;
const int cpi_loopxfadelen = 10;
const int cpi_numharmonics = 11;
const int cpi_harmonicsfreq = 12;
const int cpi_harmonicsbw = 13;
const int cpi_harmonicsgauss = 14;
const int cpi_octavesm2 = 15;
const int cpi_octavesm1 = 16;
const int cpi_octaves0 = 17;
const int cpi_octaves1 = 18;
const int cpi_octaves15 = 19;
const int cpi_octaves2 = 20;
const int cpi_tonalvsnoisebw = 21;
const int cpi_tonalvsnoisepreserve = 22;
const int cpi_filter_low = 23;
const int cpi_filter_high = 24;
const int cpi_onsetdetection = 25;
const int cpi_capture_trigger = 26;
const int cpi_num_outchans = 27;
const int cpi_pause_enabled = 28;
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const int cpi_max_capture_len = 29;
const int cpi_passthrough = 30;
const int cpi_markdirty = 31;
const int cpi_num_inchans = 32;
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const int cpi_bypass_stretch = 33;
const int cpi_freefilter_shiftx = 34;
const int cpi_freefilter_shifty = 35;
const int cpi_freefilter_scaley = 36;
const int cpi_freefilter_tilty = 37;
const int cpi_freefilter_randomy_numbands = 38;
const int cpi_freefilter_randomy_rate = 39;
const int cpi_freefilter_randomy_amount = 40;
const int cpi_enable_spec_module0 = 41;
const int cpi_enable_spec_module1 = 42;
const int cpi_enable_spec_module2 = 43;
const int cpi_enable_spec_module3 = 44;
const int cpi_enable_spec_module4 = 45;
const int cpi_enable_spec_module5 = 46;
const int cpi_enable_spec_module6 = 47;
const int cpi_enable_spec_module7 = 48;
const int cpi_enable_spec_module8 = 49;
const int cpi_octaves_extra1 = 50;
const int cpi_octaves_extra2 = 51;
const int cpi_octaves_ratio0 = 52;
const int cpi_octaves_ratio1 = 53;
const int cpi_octaves_ratio2 = 54;
const int cpi_octaves_ratio3 = 55;
const int cpi_octaves_ratio4 = 56;
const int cpi_octaves_ratio5 = 57;
const int cpi_octaves_ratio6 = 58;
const int cpi_octaves_ratio7 = 59;
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const int cpi_looping_enabled = 60;
const int cpi_rewind = 61;
const int cpi_dryplayrate = 62;
class MyThreadPool : public ThreadPool
{
public:
MyThreadPool() : ThreadPool(2) {}
};
class MyPropertiesFile
{
public:
MyPropertiesFile()
{
PropertiesFile::Options poptions;
poptions.applicationName = "PaulXStretch3";
poptions.folderName = "PaulXStretch3";
poptions.commonToAllUsers = false;
poptions.doNotSave = false;
poptions.storageFormat = PropertiesFile::storeAsXML;
poptions.millisecondsBeforeSaving = 1000;
poptions.ignoreCaseOfKeyNames = false;
poptions.processLock = nullptr;
poptions.filenameSuffix = ".xml";
poptions.osxLibrarySubFolder = "Application Support";
m_props_file = std::make_unique<PropertiesFile>(poptions);
}
std::unique_ptr<PropertiesFile> m_props_file;
};
class PaulstretchpluginAudioProcessorEditor;
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struct OfflineRenderParams
{
OfflineRenderParams(File ofile, double osr, int oformat, double omaxdur, int onumloops, CallOutBox* ocb=nullptr, std::function<void(bool,File file)> completion=nullptr) :
outputfile(ofile), outsr(osr), maxoutdur(omaxdur), numloops(onumloops), outputformat(oformat), cbox(ocb), completionHandler(completion)
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{}
File outputfile;
double outsr = 44100.0;
double maxoutdur = 3600.0;
int numloops = 1;
int outputformat = 0; // 0=16 bit pcm, 1=24 bit pcm, 2=32 bit float, 3=32 bit float clipped
CallOutBox* cbox = nullptr;
std::function<void(bool,File file)> completionHandler;
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};
class PaulstretchpluginAudioProcessor : public AudioProcessor,
public MultiTimer, public VSTCallbackHandler, public AudioProcessorParameter::Listener
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{
public:
using EditorType = PaulstretchpluginAudioProcessorEditor;
PaulstretchpluginAudioProcessor(bool is_stand_alone_offline=false);
~PaulstretchpluginAudioProcessor();
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//==============================================================================
void prepareToPlay (double sampleRate, int samplesPerBlock) override;
void releaseResources() override;
#ifndef JucePlugin_PreferredChannelConfigurations
bool isBusesLayoutSupported (const BusesLayout& layouts) const override;
#endif
void processBlock (AudioSampleBuffer&, MidiBuffer&) override;
//void processBlock (AudioBuffer<double>&, MidiBuffer&) override;
//bool supportsDoublePrecisionProcessing() const override { return true; }
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//==============================================================================
AudioProcessorEditor* createEditor() override;
bool hasEditor() const override;
//==============================================================================
const String getName() const override;
bool acceptsMidi() const override;
bool producesMidi() const override;
bool isMidiEffect () const override;
double getTailLengthSeconds() const override;
//==============================================================================
int getNumPrograms() override;
int getCurrentProgram() override;
void setCurrentProgram (int index) override;
const String getProgramName (int index) override;
void changeProgramName (int index, const String& newName) override;
void parameterValueChanged(int parameterIndex, float newValue) override;
void parameterGestureChanged(int parameterIndex, bool gestureIsStarting) override;
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//==============================================================================
void getStateInformation (MemoryBlock& destData) override;
void setStateInformation (const void* data, int sizeInBytes) override;
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AudioParameterFloat* getFloatParameter(int index)
{
return dynamic_cast<AudioParameterFloat*>(getParameters()[index]);
}
AudioParameterInt* getIntParameter(int index)
{
return dynamic_cast<AudioParameterInt*>(getParameters()[index]);
}
AudioParameterBool* getBoolParameter(int index)
{
return dynamic_cast<AudioParameterBool*>(getParameters()[index]);
}
void setLastPluginBounds(juce::Rectangle<int> bounds) { mPluginWindowWidth = bounds.getWidth(); mPluginWindowHeight = bounds.getHeight();}
juce::Rectangle<int> getLastPluginBounds() const { return juce::Rectangle<int>(0,0,mPluginWindowWidth, mPluginWindowHeight); }
void setDirty();
void setRecordingEnabled(bool b);
bool isRecordingEnabled() { return m_is_recording_pending; }
double getRecordingPositionPercent();
String setAudioFile(const URL& url);
URL getAudioFile() { return m_current_file; }
Range<double> getTimeSelection();
SharedResourcePointer<AudioFormatManager> m_afm;
SharedResourcePointer<MyPropertiesFile> m_propsfile;
StretchAudioSource* getStretchSource() { return m_stretch_source.get(); }
double getPreBufferingPercent();
void timerCallback(int id) override;
double getSampleRateChecked();
int m_abnormal_output_samples = 0;
AudioPlayHead::CurrentPositionInfo m_playposinfo;
bool m_play_when_host_plays = false;
bool m_capture_when_host_plays = false;
bool m_mute_while_capturing = false;
bool m_mute_processed_while_capturing = false;
bool m_use_backgroundbuffering = true;
bool m_restore_playstate = true;
bool m_lastpassthru = false;
bool m_standalone = false;
void resetParameters();
void setPreBufferAmount(int x);
int getPreBufferAmount();
bool m_load_file_with_state = true;
ValueTree getStateTree(bool ignoreoptions, bool ignorefile);
void setStateFromTree(ValueTree tree);
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String offlineRender(OfflineRenderParams renderpars);
std::atomic<int> m_offline_render_state{ -1 };
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std::atomic<bool> m_offline_render_cancel_requested{ false };
std::atomic<int> m_capture_save_state{ 0 };
bool m_state_dirty = false;
std::unique_ptr<AudioThumbnail> m_thumb;
bool m_show_technical_info = false;
Range<double> m_wave_view_range;
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int m_prepare_count = 0;
shared_envelope m_free_filter_envelope;
bool m_import_dlg_open = false;
void setAudioPreview(AudioFilePreviewComponent* afpc);
CriticalSection& getCriticalSection() { return m_cs; }
pointer_sized_int handleVstPluginCanDo(int32 index,
pointer_sized_int value,
void* ptr,
float opt) override;
pointer_sized_int handleVstManufacturerSpecific(int32 index,
pointer_sized_int value,
void* ptr,
float opt) override;
int m_cur_tab_index = 0;
bool m_save_captured_audio = true;
String m_capture_location;
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bool m_midinote_control = false;
bool m_use_jumpsliders = true;
std::function<void(const FileChooser&)> m_filechoose_callback;
private:
bool m_prebuffering_inited = false;
AudioBuffer<float> m_recbuffer;
double m_max_reclen = 10.0;
int m_rec_pos = 0;
int m_rec_count = 0;
Range<int> m_recorded_range;
void finishRecording(int lenrecorded);
bool m_using_memory_buffer = true;
int m_cur_num_out_chans = 2;
CriticalSection m_cs;
URL m_current_file;
Time m_current_file_date;
bool m_is_recording = false;
volatile bool m_is_recording_pending = false;
volatile bool m_is_recording_finished = false;
TimeSliceThread m_bufferingthread;
std::unique_ptr<StretchAudioSource> m_stretch_source;
std::unique_ptr<MyBufferingAudioSource> m_buffering_source;
int m_prebuffer_amount = 1;
bool m_recreate_buffering_source = true;
double m_smoothed_prebuffer_ready = 0.0;
SignalSmoother m_prebufsmoother;
int m_fft_size_to_use = 1024;
double m_last_outpos_pos = 0.0;
double m_last_in_pos = 0.0;
std::vector<int> m_bufamounts{ 4096,8192,16384,32768,65536,262144 };
ProcessParameters m_ppar;
int mPluginWindowWidth = 820;
int mPluginWindowHeight = 710;
void setFFTSize(double size, bool force=false);
void startplay(Range<double> playrange, int numoutchans, int maxBlockSize, String& err);
SharedResourcePointer<MyThumbCache> m_thumbcache;
AudioParameterInt* m_outchansparam = nullptr;
AudioParameterInt* m_inchansparam = nullptr;
int m_curmaxblocksize = 0;
double m_cur_sr = 0.0;
bool m_last_host_playing = false;
AudioBuffer<float> m_input_buffer;
std::vector<float> m_reset_pars;
int m_cur_program = 0;
void setParameters(const std::vector<double>& pars);
float m_cur_playrangeoffset = 0.0;
void updateStretchParametersFromPluginParameters(ProcessParameters& pars);
std::array<AudioParameterBool*, 9> m_sm_enab_pars;
bool m_lastrewind = false;
AudioFilePreviewComponent* m_previewcomponent = nullptr;
void saveCaptureBuffer();
SharedResourcePointer<MyThreadPool> m_threadpool;
int m_midinote_to_use = -1;
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ADSR m_adsr;
bool m_is_stand_alone_offline = false;
//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PaulstretchpluginAudioProcessor)
};