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#include "Instrument.h"
Instrument::Instrument()
{
int i;
/* input */
#ifndef MACOSX
input = new SndRTIO(2, SND_INPUT, 1024, 4);
#else
input = new SndCoreAudio(2);
#endif
sound = new SndIn(input, 1);
/* strings */
fr[0] = 73.4f;
dec[0] = 12.f;
fr[1] = 130.8f;
dec[1] = 12.f;
fr[2] = 233.0f;
dec[2] = 12.f;
fr[3] = 392.0f;
dec[3] = 12.f;
strmix = new Mixer;
for (i = 0; i < 4; i++){
string[i] = new StringFlt(fr[i], sound, dec[i]);
gstr[i] = 0.5f;
value[i] = new Unit(0.5f, UNIT_STEP);
lp[i] = new LoPass(10.f, value[i]);
strgain[i] = new Ring(lp[i], string[i]);
strmix->AddObj(strgain[i]);
StringOff(i);
}
/* loops */
loop[0] = new SndLoop(.15f, .8f, sound);
loop[1] = new SndLoop(.5f, 2.4f, sound);
loop[2] = new SndLoop(.8f, 4.8f, sound);
loop[3] = new SndLoop(1.2f, 9.f, sound);
loopmix = new Mixer;
for (i = 0; i < 4; i++){
gloop[i] = 0.f;
loopgain[i] = new Gain(gloop[i], loop[i]);
loopmix->AddObj(loopgain[i]);
LoopOff(i);
}
ap[0] = new Allpass(.6f, .05f, loopmix);
ap[1] = new Allpass(.75f, .09f, ap[0]);
/* output */
outchannel[0] = strmix;
outchannel[1] = ap[1];
#ifndef MACOSX
output = new SndRTIO(2,SND_OUTPUT, 1024, 4, SHORTSAM, outchannel);
#else
output = input;
output->SetOutput(1, strmix);
output->SetOutput(2, ap[1]);
#endif
/* processing thread */
thread = new SndThread();
thread->AddObj(sound);
for(i=0; i<4; i++){
thread->AddObj(value[i]);
thread->AddObj(lp[i]);
thread->AddObj(string[i]);
thread->AddObj(strgain[i]);
thread->AddObj(loop[i]);
thread->AddObj(loopgain[i]);
}
thread->AddObj(strmix);
thread->AddObj(loopmix);
thread->AddObj(ap[0]);
thread->AddObj(ap[1]);
thread->AddObj(input, SNDIO_IN);
thread->AddObj(output, SNDIO_OUT);
process_on = false;
}
Instrument::~Instrument()
{
ProcessOff();
delete input;
for(int i=0;i <4; i++){
delete string[i];
delete value[i];
delete lp[i];
delete strgain[i];
delete loop[i];
delete loopgain[i];
}
delete ap[0];
delete ap[1];
delete strmix;
delete loopmix;
delete thread;
#ifndef MACOSX
delete output;
#endif
}
void Instrument::ProcessOn()
{
if(!process_on){
thread->ProcOn();
process_on = true;
}
}
void Instrument::ProcessOff()
{
if(process_on){
thread->ProcOff();
process_on = false;
for(int i = 0; i < 4; i++) {
StringOff(i);
LoopOff(i);
}
}
}
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