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Version 4.2.0

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This commit is contained in:
Gary Scavone
2009-03-24 23:02:14 -04:00
committed by Stephen Sinclair
parent cf06b7598b
commit a6381b9d38
281 changed files with 17152 additions and 12000 deletions
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49
include/Sampler.h
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@@ -2,15 +2,15 @@
/*! \class Sampler
\brief STK sampling synthesis abstract base class.
This instrument contains up to 5 attack waves,
5 looped waves, and an ADSR envelope.
This instrument provides an ADSR envelope, a one-pole filter, and
structures for an arbitrary number of attack and loop waves.
by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
by Perry R. Cook and Gary P. Scavone, 1995 - 2004.
*/
/***************************************************/
#if !defined(__SAMPLER_H)
#define __SAMPLER_H
#ifndef STK_SAMPLER_H
#define STK_SAMPLER_H
#include "Instrmnt.h"
#include "ADSR.h"
@@ -31,7 +31,7 @@ class Sampler : public Instrmnt
void clear();
//! Set instrument parameters for a particular frequency.
virtual void setFrequency(MY_FLOAT frequency) = 0;
virtual void setFrequency(StkFloat frequency) = 0;
//! Initiate the envelopes with a key-on event and reset the attack waves.
void keyOn();
@@ -40,25 +40,36 @@ class Sampler : public Instrmnt
void keyOff();
//! Stop a note with the given amplitude (speed of decay).
virtual void noteOff(MY_FLOAT amplitude);
virtual void noteOff(StkFloat amplitude);
//! Compute one output sample.
virtual MY_FLOAT tick();
virtual StkFloat tick() = 0;
//! Computer \e vectorSize outputs and return them in \e vector.
virtual StkFloat *tick(StkFloat *vector, unsigned int vectorSize) = 0;
//! Fill a channel of the StkFrames object with computed outputs.
/*!
The \c channel argument should be one or greater (the first
channel is specified by 1). An StkError will be thrown if the \c
channel argument is zero or it is greater than the number of
channels in the StkFrames object.
*/
virtual StkFrames& tick( StkFrames& frames, unsigned int channel = 1 ) = 0;
//! Perform the control change specified by \e number and \e value (0.0 - 128.0).
virtual void controlChange(int number, MY_FLOAT value) = 0;
virtual void controlChange(int number, StkFloat value) = 0;
protected:
ADSR *adsr;
WvIn *attacks[5];
WaveLoop *loops[5];
OnePole *filter;
MY_FLOAT baseFrequency;
MY_FLOAT attackRatios[5];
MY_FLOAT loopRatios[5];
MY_FLOAT attackGain;
MY_FLOAT loopGain;
int whichOne;
ADSR adsr_;
std::vector<WvIn *> attacks_;
std::vector<WaveLoop *> loops_;
OnePole filter_;
StkFloat baseFrequency_;
std::vector<StkFloat> attackRatios_;
std::vector<StkFloat> loopRatios_;
StkFloat attackGain_;
StkFloat loopGain_;
};