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Version 4.4.0

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This commit is contained in:
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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73
include/BlowBotl.h
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@@ -1,3 +1,16 @@
#ifndef STK_BLOWBOTL_H
#define STK_BLOWBOTL_H
#include "Instrmnt.h"
#include "JetTable.h"
#include "BiQuad.h"
#include "PoleZero.h"
#include "Noise.h"
#include "ADSR.h"
#include "SineWave.h"
namespace stk {
/***************************************************/
/*! \class BlowBotl
\brief STK blown bottle instrument class.
@@ -12,21 +25,10 @@
- Vibrato Gain = 1
- Volume = 128
by Perry R. Cook and Gary P. Scavone, 1995 - 2007.
by Perry R. Cook and Gary P. Scavone, 1995 - 2009.
*/
/***************************************************/
#ifndef STK_BLOWBOTL_H
#define STK_BLOWBOTL_H
#include "Instrmnt.h"
#include "JetTable.h"
#include "BiQuad.h"
#include "PoleZero.h"
#include "Noise.h"
#include "ADSR.h"
#include "SineWave.h"
class BlowBotl : public Instrmnt
{
public:
@@ -34,36 +36,37 @@ class BlowBotl : public Instrmnt
/*!
An StkError will be thrown if the rawwave path is incorrectly set.
*/
BlowBotl();
BlowBotl( void );
//! Class destructor.
~BlowBotl();
~BlowBotl( 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 );
//! Apply breath velocity to instrument with given amplitude and rate of increase.
void startBlowing(StkFloat amplitude, StkFloat rate);
void startBlowing( StkFloat amplitude, StkFloat rate );
//! Decrease breath velocity 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 );
JetTable jetTable_;
BiQuad resonator_;
PoleZero dcBlock_;
@@ -77,4 +80,28 @@ class BlowBotl : public Instrmnt
};
inline StkFloat BlowBotl :: tick( unsigned int )
{
StkFloat breathPressure;
StkFloat randPressure;
StkFloat pressureDiff;
// Calculate the breath pressure (envelope + vibrato)
breathPressure = maxPressure_ * adsr_.tick();
breathPressure += vibratoGain_ * vibrato_.tick();
pressureDiff = breathPressure - resonator_.lastOut();
randPressure = noiseGain_ * noise_.tick();
randPressure *= breathPressure;
randPressure *= (1.0 + pressureDiff);
resonator_.tick( breathPressure + randPressure - ( jetTable_.tick( pressureDiff ) * pressureDiff ) );
lastFrame_[0] = 0.2 * outputGain_ * dcBlock_.tick( pressureDiff );
return lastFrame_[0];
}
} // stk namespace
#endif