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/*
flext - C++ layer for Max/MSP and pd (pure data) externals
Copyright (c) 2001-2005 Thomas Grill (gr@grrrr.org)
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;
}
if(outobj) {
for(int i = 0; i < outobjs; ++i) delete outobj[i];
delete[] outobj; outobj = NULL;
}
}
bool flext_stk::CbDsp()
{
// 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
if(inobjs) {
inobj = new Input *[inobjs];
for(i = 0; i < inobjs; ++i)
inobj[i] = new Input(InSig(i),blsz);
}
if(outobjs) {
outobj = new Output *[outobjs];
for(i = 0; i < outobjs; ++i)
outobj[i] = new Output(OutSig(i),blsz);
}
if(!NewObjs()) ClearObjs();
}
else {
// assign changed input/output vectors
for(i = 0; i < inobjs; ++i) inobj[i]->SetBuf(InSig(i));
for(i = 0; i < outobjs; ++i) outobj[i]->SetBuf(OutSig(i));
}
return true;
}
void flext_stk::CbSignal()
{
if(inobjs || outobjs) ProcessObjs(blsz);
}
// inlet class
flext_stk::Input::Input(const t_sample *b,int v):
buf(b),vecsz(v),
index(0)
{}
MY_FLOAT *flext_stk::Input::tick(MY_FLOAT *vector,unsigned int vectorSize)
{
for(unsigned int i = 0; i < vectorSize; i++) vector[i] = tick();
return vector;
}
// outlet class
flext_stk::Output::Output(t_sample *b,int v):
buf(b),vecsz(v),
index(0)
{}
void flext_stk::Output::tick(const MY_FLOAT *vector,unsigned int vectorSize)
{
for(unsigned int i = 0; i < vectorSize; i++) tick(vector[i]);
}
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