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/*
SuperCollider real time audio synthesis system
Copyright (c) 2002 James McCartney. All rights reserved.
http://www.audiosynth.com
This program 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 2 of the License, or
(at your option) any later version.
This program 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 program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "SC_PlugIn.h"
// global data
// helpful constants
//#define PI 3.1415926535898f
//#define TWOPI 6.28318530717952646f
extern InterfaceTable* ft;
// shared data
extern int eqlbandbins[43];
extern int eqlbandsizes[42];
extern float contours[42][11];
extern double phons[11];
//#include "KeyTrack.h"
#include "BeatTrack.h"
//#include "Loudness.h"
#include "Onsets.h"
//#include "MFCC.h"
#include "BeatTrack2.h"
struct Loudness : Unit {
// FFT data
int m_numbands;
float* m_ERBbands;
// float m_phontotal;
// final output
float m_sones;
};
struct KeyTrack : Unit {
// FFT data
float* m_FFTBuf;
// coping with different sampling rates
float m_srate; // use as a flag to check sample rate is correct
float* m_weights; // will point to the sample rate specific data
int* m_bins;
float m_frameperiod;
// counter
// uint32 m_frame;
// experimental transient avoidance
// float m_prevphase[720]; //60*12
// float m_leaknote[60];
float m_chroma[12];
float m_key[24];
float m_histogram[24]; // key histogram
// float m_keyleak; //fade parameter for histogram
// int m_triggerid;
int m_currentKey;
};
struct MFCC : Unit {
// MFCC
int m_numcoefficients;
float* m_mfcc;
// ERB
int m_numbands;
float* m_bands;
// sampling rate specific data
float m_srate;
int* m_startbin;
int* m_endbin;
int* m_cumulindex;
float* m_bandweights;
};
//////////////////////////////////////////////////////////////////////////////////////////////////
struct FFTAnalyser_Unit : Unit {
float outval;
// Not always used: multipliers which convert from bin indices to freq vals, and vice versa.
// See also the macros for deriving these.
float m_bintofreq /* , m_freqtobin */;
float m_halfnyq_over_numbinsp2;
};
struct FFTAnalyser_OutOfPlace : FFTAnalyser_Unit {
int m_numbins;
float* m_tempbuf;
};
struct SpecFlatness : FFTAnalyser_Unit {
double m_oneovern;
};
struct SpecPcile : FFTAnalyser_OutOfPlace {
bool m_interpolate;
bool m_binout;
};
struct SpecCentroid : FFTAnalyser_Unit {};
extern "C" {
// required interface functions
void Loudness_next(Loudness* unit, int wrongNumSamples);
void Loudness_Ctor(Loudness* unit);
void Loudness_Dtor(Loudness* unit);
void KeyTrack_next(KeyTrack* unit, int wrongNumSamples);
void KeyTrack_Ctor(KeyTrack* unit);
void KeyTrack_Dtor(KeyTrack* unit);
void MFCC_next(MFCC* unit, int wrongNumSamples);
void MFCC_Ctor(MFCC* unit);
void MFCC_Dtor(MFCC* unit);
void SpecFlatness_Ctor(SpecFlatness* unit);
void SpecFlatness_next(SpecFlatness* unit, int inNumSamples);
//
void SpecPcile_Ctor(SpecPcile* unit);
void SpecPcile_next(SpecPcile* unit, int inNumSamples);
void SpecPcile_Dtor(SpecPcile* unit);
//
void SpecCentroid_Ctor(SpecCentroid* unit);
void SpecCentroid_next(SpecCentroid* unit, int inNumSamples);
}
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