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/*
Copyright (c) 2002 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
#include "flext.h"
#include "flstk.h"
flext_stk::flext_stk():
inobjs(0),outobjs(0),
inobj(NULL),outobj(NULL),
smprt(0),blsz(0)
{}
bool flext_stk::Init()
{
bool ret = flext_dsp::Init();
inobjs = CntInSig();
outobjs = CntOutSig();
return ret;
}
void flext_stk::Exit()
{
ClearObjs();
flext_dsp::Exit();
}
void flext_stk::ClearObjs()
{
FreeObjs();
if(inobj) {
for(int i = 0; i < inobjs; ++i) delete inobj[i];
delete[] inobj; inobj = NULL; inobjs = 0;
}
if(outobj) {
for(int i = 0; i < outobjs; ++i) delete outobj[i];
delete[] outobj; outobj = NULL; outobjs = 0;
}
}
void flext_stk::m_dsp(int n,t_sample *const *in,t_sample *const *out)
{
// called on every rebuild of the dsp chain
int i;
if(Blocksize() != blsz || Samplerate() != smprt) {
// block size or sample rate has changed... rebuild all objects
ClearObjs();
smprt = Samplerate();
blsz = Blocksize();
Stk::setSampleRate(smprt);
// set up sndobjs for inlets and outlets
inobj = new Inlet *[inobjs];
for(i = 0; i < inobjs; ++i) {
inobj[i] = new Inlet(in[i],blsz);
}
outobj = new Outlet *[outobjs];
for(i = 0; i < outobjs; ++i) outobj[i] = new Outlet(out[i],blsz);
NewObjs();
}
else {
// assign changed input/output vectors
for(i = 0; i < inobjs; ++i) inobj[i]->SetBuf(in[i]);
for(i = 0; i < outobjs; ++i) outobj[i]->SetBuf(out[i]);
}
}
void flext_stk::m_signal(int n,t_sample *const *in,t_sample *const *out)
{
ProcessObjs();
}
// inlet class
flext_stk::Inlet::Inlet(const t_sample *b,int v):
buf(b),vecsz(v),
index(0)
{}
t_sample flext_stk::Inlet::tick()
{
if(++index >= vecsz) index = 0;
return lastOut();
}
t_sample *flext_stk::Inlet::tick(t_sample *vector,unsigned int vectorSize)
{
for(unsigned int i = 0; i < vectorSize; i++) vector[i] = tick();
return vector;
}
// outlet class
flext_stk::Outlet::Outlet(t_sample *b,int v):
buf(b),vecsz(v),
index(0)
{}
void flext_stk::Outlet::tick(t_sample s)
{
buf[index] = s;
if(++index >= vecsz) index = 0;
}
void flext_stk::Outlet::tick(const t_sample *vector,unsigned int vectorSize)
{
for(unsigned int i = 0; i < vectorSize; i++) tick(vector[i]);
}
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