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mirror of https://github.com/cookiengineer/audacity synced 2025-04-30 15:49:41 +02:00
2010-01-24 09:19:39 +00:00

105 lines
2.4 KiB
C++

#include "instr.h"
#include "Instrmnt.h"
#include "Clarinet.h"
#include "Saxofony.h"
#include "Bowed.h"
#include "BandedWG.h"
#include "Mandolin.h"
#include "Sitar.h"
#include "ModalBar.h"
#include "Flute.h"
#include "stdlib.h"
#include "string.h"
using namespace Nyq;
/* C interface to Instrmnt */
struct instr {
Instrmnt *instrObjPtr;
};
struct instr *initInstrument(int instr_type, int sample_rate) {
struct instr *in = (struct instr *) malloc(sizeof(struct instr));
Stk::setSampleRate(sample_rate);
switch(instr_type) {
case CLARINET:
in->instrObjPtr = new Clarinet(10.0);
break;
case SAXOFONY:
in->instrObjPtr = new Saxofony(10.0);
break;
case BOWED:
in->instrObjPtr = new Bowed(10.0);
break;
case BANDEDWG:
in->instrObjPtr = new BandedWG();
break;
case MANDOLIN:
in->instrObjPtr = new Mandolin(10.0);
break;
case SITAR:
in->instrObjPtr = new Sitar(10.0);
break;
case MODALBAR:
in->instrObjPtr = new ModalBar();
break;
case FLUTE:
in->instrObjPtr = new Flute(10.0);
break;
default:
return NULL;
}
return in;
}
int deleteInstrument(struct instr* in) {
delete(in->instrObjPtr);
free(in);
return 0;
}
//! Start a note with the given frequency and amplitude.
int noteOn(struct instr* in, ::MY_FLOAT frequency, ::MY_FLOAT amplitude) {
in->instrObjPtr->noteOn(frequency, amplitude);
return 0;
}
//! Stop a note with the given amplitude (speed of decay).
int noteOff(struct instr* in, ::MY_FLOAT amplitude) {
in->instrObjPtr->noteOff(amplitude);
return 0;
}
//! Set instrument parameters for a particular frequency.
int setFrequency(struct instr* in, ::MY_FLOAT frequency) {
in->instrObjPtr->setFrequency(frequency);
return 0;
}
//! Return the last output value.
/*
MY_FLOAT lastOut(struct instr* in) {
return in->instrObjPtr->lastOut();
}
*/
//! Compute one output sample.
::MY_FLOAT tick(struct instr* in) {
return in->instrObjPtr->tick();
}
// DELETED THIS. PJM
//! Computer \e vectorSize outputs and return them in \e vector.
//MY_FLOAT *multTicks(struct instr* in, MY_FLOAT *vector, unsigned int vectorSize) {
// return in->instrObjPtr->tick(vector, vectorSize);
//}
//! Perform the control change specified by \e number and \e value (0.0 - 128.0).
int controlChange(struct instr* in, int number, ::MY_FLOAT value) {
in->instrObjPtr->controlChange(number, value);
return 0;
}