230 lines
7.2 KiB
C++
230 lines
7.2 KiB
C++
/*
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Copyright (C) 2006-2011 Nasca Octavian Paul
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Author: Nasca Octavian Paul
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Copyright (C) 2017 Xenakios
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License (version 2) for more details.
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You should have received a copy of the GNU General Public License (version 2)
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#include "../JuceLibraryCode/JuceHeader.h"
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#include "Input/AInputS.h"
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#include "ProcessedStretch.h"
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#include "BinauralBeats.h"
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#include <mutex>
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#include "../WDL/resample.h"
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class StretchAudioSource final : public PositionableAudioSource
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{
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public:
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StretchAudioSource() {}
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StretchAudioSource(int initialnumoutchans, AudioFormatManager* afm);
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~StretchAudioSource();
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// Inherited via PositionableAudioSource
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void prepareToPlay(int samplesPerBlockExpected, double sampleRate) override;
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void releaseResources() override;
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void getNextAudioBlock(const AudioSourceChannelInfo & bufferToFill) override;
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void setNextReadPosition(int64 newPosition) override;
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int64 getNextReadPosition() const override;
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int64 getTotalLength() const override;
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bool isLooping() const override;
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String setAudioFile(File file);
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File getAudioFile();
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AudioBuffer<float>* getSourceAudioBuffer();
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void setNumOutChannels(int chans);
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int getNumOutChannels() { return m_num_outchans; }
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double getInfilePositionPercent();
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double getInfilePositionSeconds();
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double getInfileLengthSeconds();
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void setRate(double rate);
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double getRate() { return m_playrate; }
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void setProcessParameters(ProcessParameters* pars);
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const ProcessParameters& getProcessParameters();
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void setFFTSize(int size);
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int getFFTSize() { return m_process_fftsize; }
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double getFreezePos() const { return m_freeze_pos; }
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void setFreezing(bool b) { m_freezing = b; }
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bool isFreezing() { return m_freezing; }
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void setPaused(bool b);
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bool isPaused() const;
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void seekPercent(double pos);
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double getOutputDurationSecondsForRange(Range<double> range, int fftsize);
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void setOnsetDetection(double x);
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void setPlayRange(Range<double> playrange, bool isloop);
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Range<double> getPlayRange() { return m_playrange; }
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bool isLoopEnabled();
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bool hasReachedEnd();
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bool isResampling();
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std::vector<SpectrumProcess> getSpectrumProcessOrder();
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void setSpectrumProcessOrder(std::vector<SpectrumProcess> order);
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void setFFTWindowingType(int windowtype);
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int getFFTWindowingType() { return m_fft_window_type; }
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std::pair<Range<double>,Range<double>> getFileCachedRangesNormalized();
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ValueTree getStateTree();
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void setStateTree(ValueTree state);
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void setClippingEnabled(bool b) { m_clip_output = b; }
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bool isLoopingEnabled();
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void setLoopingEnabled(bool b);
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void setMaxLoops(int64_t numloops) { m_maxloops = numloops; }
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void setAudioBufferAsInputSource(AudioBuffer<float>* buf, int sr, int len);
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void setMainVolume(double decibels);
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double getMainVolume() const { return m_main_volume; }
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void setLoopXFadeLength(double lenseconds);
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double getLoopXFadeLengtj() const { return m_loopxfadelen; }
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int m_param_change_count = 0;
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private:
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CircularBuffer<float> m_stretchoutringbuf{ 1024 * 1024 };
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AudioBuffer<float> m_file_inbuf;
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LinearSmoothedValue<double> m_vol_smoother;
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std::unique_ptr<AInputS> m_inputfile;
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std::vector<std::shared_ptr<ProcessedStretch>> m_stretchers;
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std::unique_ptr<BinauralBeats> m_binaubeats;
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std::function<void(StretchAudioSource*)> SourceEndedCallback;
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bool m_firstbuffer = false;
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bool m_output_has_begun = false;
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int m_num_outchans = 0;
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double m_outsr = 44100.0;
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int m_process_fftsize = 0;
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int m_fft_window_type = -1;
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double m_main_volume = 0.0;
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double m_loopxfadelen = 0.0;
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ProcessParameters m_ppar;
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BinauralBeatsParameters m_bbpar;
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double m_playrate = 1.0;
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double m_lastplayrate = 0.0;
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double m_onsetdetection = 0.0;
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double m_seekpos = 0.0;
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bool m_freezing = false;
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int m_pause_state = 0;
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Range<double> m_playrange{ 0.0,1.0 };
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bool m_stream_end_reached = false;
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int64_t m_output_silence_counter = 0;
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File m_curfile;
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int64_t m_maxloops = 0;
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std::unique_ptr<WDL_Resampler> m_resampler;
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std::vector<double> m_resampler_outbuf;
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CriticalSection m_cs;
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std::vector<SpectrumProcess> m_specproc_order;
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bool m_stop_play_requested = false;
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double m_freeze_pos = 0.0;
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int64_t m_output_counter = 0;
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int64_t m_output_length = 0;
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bool m_clip_output = true;
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void initObjects();
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AudioFormatManager* m_afm = nullptr;
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struct
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{
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AudioBuffer<float> buffer;
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int state = 0; // 0 not active, 1 fill xfade buffer, 2 play xfade buffer
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int xfade_len = 0;
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int counter = 0;
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int requested_fft_size = 0;
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File requested_file;
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} m_xfadetask;
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int m_pause_fade_counter = 0;
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};
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class MultiStretchAudioSource final : public PositionableAudioSource
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{
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public:
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MultiStretchAudioSource() {}
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MultiStretchAudioSource(int initialnumoutchans, AudioFormatManager* afm);
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~MultiStretchAudioSource();
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void prepareToPlay(int samplesPerBlockExpected, double sampleRate) override;
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void releaseResources() override;
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void getNextAudioBlock(const AudioSourceChannelInfo & bufferToFill) override;
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void setNextReadPosition(int64 newPosition) override;
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int64 getNextReadPosition() const override;
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int64 getTotalLength() const override;
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bool isLooping() const override;
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String setAudioFile(File file);
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File getAudioFile();
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void setNumOutChannels(int chans);
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double getInfilePositionPercent();
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void setRate(double rate);
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double getRate();
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void setProcessParameters(ProcessParameters* pars);
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void setFFTSize(int size);
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int getFFTSize();
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void seekPercent(double pos);
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double getInfilePositionSeconds();
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double getInfileLengthSeconds();
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double getOutputDurationSecondsForRange(Range<double> range, int fftsize);
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void setOnsetDetection(double x);
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void setPlayRange(Range<double> playrange, bool isloop);
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bool isLoopingEnabled();
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void setLoopingEnabled(bool b);
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bool hasReachedEnd();
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bool isResampling();
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std::vector<SpectrumProcess> getSpectrumProcessOrder();
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void setSpectrumProcessOrder(std::vector<SpectrumProcess> order);
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void setFFTWindowingType(int windowtype);
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std::pair<Range<double>, Range<double>> getFileCachedRangesNormalized();
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void setFreezing(bool b) { m_freezing = b; }
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bool isFreezing() { return m_freezing; }
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Value val_MainVolume;
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Value val_XFadeLen;
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//ValueTree getStateTree();
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//void setStateTree(ValueTree state);
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void setAudioBufferAsInputSource(AudioBuffer<float>* buf, int sr, int len);
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private:
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std::vector<std::shared_ptr<StretchAudioSource>> m_stretchsources;
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bool m_is_in_switch{ false };
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bool m_is_playing = false;
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bool m_freezing = false;
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LinearSmoothedValue<double> m_xfadegain;
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StretchAudioSource* getActiveStretchSource() const;
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void switchActiveSource();
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int m_blocksize = 0;
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double m_samplerate = 44100.0;
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int m_numoutchans = 2;
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AudioBuffer<float> m_processbuffers[2];
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std::mutex m_mutex;
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double m_switchxfadelen = 1.0;
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AudioFormatManager* m_afm = nullptr;
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};
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