void MLPluginProcessor::processBlock (AudioSampleBuffer& buffer, MidiBuffer& midiMessages)
{
if (mEngine.isEnabled() && !isSuspended())
{
unsigned samples = buffer.getNumSamples();
// get current time from host.
// should refer to the start of the current block.
AudioPlayHead::CurrentPositionInfo newTime;
if (getPlayHead() != 0 && getPlayHead()->getCurrentPosition (newTime))
{
lastPosInfo = newTime;
}
else
{
lastPosInfo.resetToDefault();
}
// set host phasor
double bpm = lastPosInfo.isPlaying ? lastPosInfo.bpm : 0.;
double ppqPosition = lastPosInfo.ppqPosition;
double secsPosition = lastPosInfo.timeInSeconds;
int64 samplesPosition = lastPosInfo.timeInSamples;
bool isPlaying = lastPosInfo.isPlaying;
// TEST
if(0)
if(lastPosInfo.isPlaying)
{
debug() << "bpm:" << lastPosInfo.bpm
<< " ppq:" << std::setprecision(5) << ppqPosition << std::setprecision(2)
<< " secs:" << secsPosition << "\n";
}
// set Engine I/O. done here each time because JUCE may change pointers on us. possibly.
MLDSPEngine::ClientIOMap ioMap;
for (int i=0; i<getNumInputChannels(); ++i)
{
ioMap.inputs[i] = buffer.getReadPointer(i);
}
for (int i=0; i<getNumOutputChannels(); ++i)
{
ioMap.outputs[i] = buffer.getWritePointer(i);
}
mEngine.setIOBuffers(ioMap);
// for any parameters with queues, send out one queued value per block
for(int i = 0; i < mEngine.getPublishedParams(); ++i)
{
MLPublishedParamPtr p = mEngine.getParamPtr(i);
if(p) // TODO clean up null paramater ptrs!
{
if(p->getQueueValuesRemaining() > 0)
{
AudioProcessor::sendParamChangeMessageToListeners (i, p->popValue());
}
}
}
if(acceptsMidi())
{
convertMIDIToEvents(midiMessages, mControlEvents);
midiMessages.clear(); // otherwise messages will be passed back to the host
}
mEngine.processBlock(samples, mControlEvents, samplesPosition, secsPosition, ppqPosition, bpm, isPlaying);
}
else
{
buffer.clear();
}
}
