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Version 4.4.0

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Gary Scavone
2013-09-29 23:11:39 +02:00
committed by Stephen Sinclair
parent d199342e86
commit eccd8c9981
287 changed files with 11712 additions and 7676 deletions
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74
include/Saxofony.h
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@@ -1,3 +1,16 @@
#ifndef STK_SAXOFONY_H
#define STK_SAXOFONY_H
#include "Instrmnt.h"
#include "DelayL.h"
#include "ReedTable.h"
#include "OneZero.h"
#include "Envelope.h"
#include "Noise.h"
#include "SineWave.h"
namespace stk {
/***************************************************/
/*! \class Saxofony
\brief STK faux conical bore reed instrument class.
@@ -31,21 +44,10 @@
- Vibrato Gain = 1
- Breath Pressure = 128
by Perry R. Cook and Gary P. Scavone, 1995 - 2007.
by Perry R. Cook and Gary P. Scavone, 1995 - 2009.
*/
/***************************************************/
#ifndef STK_SAXOFONY_H
#define STK_SAXOFONY_H
#include "Instrmnt.h"
#include "DelayL.h"
#include "ReedTable.h"
#include "OneZero.h"
#include "Envelope.h"
#include "Noise.h"
#include "SineWave.h"
class Saxofony : public Instrmnt
{
public:
@@ -53,39 +55,40 @@ class Saxofony : public Instrmnt
/*!
An StkError will be thrown if the rawwave path is incorrectly set.
*/
Saxofony(StkFloat lowestFrequency);
Saxofony( StkFloat lowestFrequency );
//! Class destructor.
~Saxofony();
~Saxofony( void );
//! Reset and clear all internal state.
void clear();
void clear( void );
//! Set instrument parameters for a particular frequency.
void setFrequency(StkFloat frequency);
void setFrequency( StkFloat frequency );
//! Set the "blowing" position between the air column terminations (0.0 - 1.0).
void setBlowPosition(StkFloat aPosition);
void setBlowPosition( StkFloat aPosition );
//! Apply breath pressure to instrument with given amplitude and rate of increase.
void startBlowing(StkFloat amplitude, StkFloat rate);
void startBlowing( StkFloat amplitude, StkFloat rate );
//! Decrease breath pressure with given rate of decrease.
void stopBlowing(StkFloat rate);
void stopBlowing( StkFloat rate );
//! Start a note with the given frequency and amplitude.
void noteOn(StkFloat frequency, StkFloat amplitude);
void noteOn( StkFloat frequency, StkFloat amplitude );
//! Stop a note with the given amplitude (speed of decay).
void noteOff(StkFloat amplitude);
void noteOff( StkFloat amplitude );
//! Perform the control change specified by \e number and \e value (0.0 - 128.0).
void controlChange(int number, StkFloat value);
void controlChange( int number, StkFloat value );
//! Compute and return one output sample.
StkFloat tick( unsigned int channel = 0 );
protected:
StkFloat computeSample( void );
DelayL delays_[2];
ReedTable reedTable_;
OneZero filter_;
@@ -100,4 +103,27 @@ class Saxofony : public Instrmnt
};
inline StkFloat Saxofony :: tick( unsigned int )
{
StkFloat pressureDiff;
StkFloat breathPressure;
StkFloat temp;
// Calculate the breath pressure (envelope + noise + vibrato)
breathPressure = envelope_.tick();
breathPressure += breathPressure * noiseGain_ * noise_.tick();
breathPressure += breathPressure * vibratoGain_ * vibrato_.tick();
temp = -0.95 * filter_.tick( delays_[0].lastOut() );
lastFrame_[0] = temp - delays_[1].lastOut();
pressureDiff = breathPressure - lastFrame_[0];
delays_[1].tick( temp );
delays_[0].tick( breathPressure - (pressureDiff * reedTable_.tick(pressureDiff)) - temp );
lastFrame_[0] *= outputGain_;
return lastFrame_[0];
}
} // stk namespace
#endif