// make the multiple procs. Must set template beforehand.
// new copies are intially not enabled.
void MLMultProxy::setCopies(const int newSize)
{
if (newSize < 1) return;
if (mTemplate)
{
int oldSize = (int)mCopies.size();
if (newSize != oldSize)
{
mCopies.resize(newSize);
// initialize new copies
MLSymbol className = mTemplate->getClassName();
MLSymbol procName = mTemplate->getName();
for(int i = 0; i < newSize; ++i)
{
// make new proc. we use the template object's container for the call to
// newProc(), but the new proc is not added to the container.
// instead we keep a ProcPtr in mCopies.
MLProcContainer* c = static_cast<MLProcContainer*>(mTemplate->getContext());
mCopies[i] = c->newProc(className, procName);
mCopies[i]->setCopyIndex(i + 1);
mCopies[i]->clearProc();
}
}
}
else
{
debug() << "MLMultProxy: no template for setCopies()!\n";
}
}
void MLMultiContainer::process(const int n)
{
const int outs = getNumOutputs();
// for each copy, process.
// TODO this can be dispatched to multiple threads.
for (int i=0; i < mEnabledCopies; ++i)
{
getCopyAsContainer(i)->process(n);
}
// for each of our outputs,
for (int i=1; i <= outs; ++i)
{
// sum outputs of copies to our output.
MLSignal& y = getOutput(i);
y.clear();
for(int j=0; j < mEnabledCopies; ++j)
{
// TODO rewrite to handle multiple outputs better.
// right now if the last copy is enabled, it shares a buffer with the
// parent and this add doubles the last value. the hack in place adds one more copy to prevent this.
MLProcContainer* pCopy = getCopyAsContainer(j);
if(pCopy)
{
y.add(pCopy->getOutput(i));
}
else
{
debug() << "MLMultiContainer: null copy in process()!\n";
}
}
}
}
void MLMultProxy::setEnabledCopies(const int c)
{
int copies = (int)mCopies.size();
mEnabledCopies = min(c, copies);
for (int i=0; i < copies; ++i)
{
MLProcContainer* pCopy = getCopyAsContainer(i);
if (i < mEnabledCopies)
{
if(!pCopy->isEnabled())
{
pCopy->clearProc();
pCopy->setEnabled(true);
}
}
else
{
if(pCopy->isEnabled())
{
pCopy->setEnabled(false);
pCopy->clearProc();
}
}
}
}
void MLProcDelayOutput::doParams()
{
// first get delay input. That's the MLProcDelayInput object with
// the same name as us before the underscore. This is fairly brittle and
// hackish. We don't have something like string parameters, so this
// is the best I could come up with.
MLProcContainer* myContainer = static_cast<MLProcContainer*>(getContext());
const std::string myName = getName().getString();
int dPos = myName.find('_');
MLPath delayName (myName.substr(0, dPos));
MLProcPtr myInputProc = myContainer->getProc(delayName);
if (myInputProc)
{
//debug() << "MLProcDelayOutput " << getName() << " doParams found delay proc " << delayName << "!\n";
mpDelayInputProc = static_cast<MLProcDelayInput*>(&(*myInputProc));
if(mpDelayInputProc)
{
// must be power of two size
MLSignal& buffer = mpDelayInputProc->getBuffer();
mLengthMask = buffer.getWidth() - 1;
//debug() << "MLProcDelayOutput::doParams found buffer, length mask " << std::hex << mLengthMask << std::dec << "\n";
}
}
else
{
debug() << "MLProcDelayOutput::doParams: couldn't find delay proc " << delayName << "\n";
}
if(getParam("backwards"))
{
mVectorDelay = getContextVectorSize();
}
else
{
mVectorDelay = 0;
}
//debug() << "MLProcDelayOutput: vector delay " << mVectorDelay << "\n";
mParamsChanged = false;
}
MLProc::err MLMultiContainer::buildProc(juce::XmlElement* parent)
{
err e = OK;
const int copies = (int)mCopies.size();
const MLSymbol className(parent->getStringAttribute("class").toUTF8());
const MLSymbol procName(parent->getStringAttribute("name").toUTF8());
// debug() << "MLMultiContainer::buildProc (class=" << className << ", name=" << procName << ")\n";
for(int i=0; i<copies; i++)
{
// add the specified proc to all subcontainers.
MLProcContainer* pCopy = getCopyAsContainer(i);
if(pCopy != nullptr)
{
e = pCopy->addProc(className, procName);
if (e == MLProc::OK)
{
MLPath procPath(procName);
pCopy->setProcParams(procPath, parent);
pCopy->setCopyIndex(i + 1);
MLProcPtr p = pCopy->getProc(procPath);
if(p)
{
p->setup();
if (p->isContainer())
{
MLProcContainer* pc = static_cast<MLProcContainer*>(&(*p));
pc->buildGraph(parent);
}
}
else
{
debug() << "MLMultiContainer::buildProc: getProc failed for new proc!\n";
}
}
}
else
{
debug() << "MLMultiContainer: null copy in buildProc ()!\n";
}
}
return e;
}
