void processAudio(AudioBuffer &buffer){
FloatArray left = buffer.getSamples(LEFT_CHANNEL);
FloatArray right = buffer.getSamples(RIGHT_CHANNEL);
leftBuffer->copyFrom(left);
rightBuffer->copyFrom(right);
leftPatch.processAudio(*leftBuffer);
rightPatch.processAudio(*rightBuffer);
left.copyFrom(*leftBuffer);
right.copyFrom(*rightBuffer);
}
void perform (AudioBuffer<FloatType>& buffer, MidiBuffer& midiMessages, AudioPlayHead* audioPlayHead)
{
auto numSamples = buffer.getNumSamples();
auto maxSamples = renderingBuffer.getNumSamples();
if (numSamples > maxSamples)
{
// being asked to render more samples than our buffers have, so slice things up...
tempMIDI.clear();
tempMIDI.addEvents (midiMessages, maxSamples, numSamples, -maxSamples);
{
AudioBuffer<FloatType> startAudio (buffer.getArrayOfWritePointers(), buffer.getNumChannels(), maxSamples);
midiMessages.clear (maxSamples, numSamples);
perform (startAudio, midiMessages, audioPlayHead);
}
AudioBuffer<FloatType> endAudio (buffer.getArrayOfWritePointers(), buffer.getNumChannels(), maxSamples, numSamples - maxSamples);
perform (endAudio, tempMIDI, audioPlayHead);
return;
}
currentAudioInputBuffer = &buffer;
currentAudioOutputBuffer.setSize (jmax (1, buffer.getNumChannels()), numSamples);
currentAudioOutputBuffer.clear();
currentMidiInputBuffer = &midiMessages;
currentMidiOutputBuffer.clear();
{
const Context context { renderingBuffer.getArrayOfWritePointers(), midiBuffers.begin(), audioPlayHead, numSamples };
for (auto* op : renderOps)
op->perform (context);
}
for (int i = 0; i < buffer.getNumChannels(); ++i)
buffer.copyFrom (i, 0, currentAudioOutputBuffer, i, 0, numSamples);
midiMessages.clear();
midiMessages.addEvents (currentMidiOutputBuffer, 0, buffer.getNumSamples(), 0);
currentAudioInputBuffer = nullptr;
}
// copy data from internal audio buffer to external audio buffer
void AverageLevelFiltered::copyTo(
AudioBuffer<float> &destination,
const int numberOfSamples)
{
jassert(fftSampleBuffer_.getNumChannels() ==
destination.getNumChannels());
jassert(fftSampleBuffer_.getNumSamples() >=
numberOfSamples);
jassert(destination.getNumSamples() >=
numberOfSamples);
int numberOfChannels = fftSampleBuffer_.getNumChannels();
// copy data to external buffer
for (int channel = 0; channel < numberOfChannels; ++channel)
{
destination.copyFrom(channel, 0,
fftSampleBuffer_,
channel, 0,
numberOfSamples);
}
}