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Revised multibus API and added support for multibus hosting

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This commit is contained in:
hogliux 2016-09-16 17:06:19 +01:00
parent ebf19aa61a
commit 4fa0516f40
140 changed files with 6836 additions and 4478 deletions
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50
examples/PlugInSamples/MultiOutSynth/Source/MultiOutSynth.cpp
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@ -39,15 +39,24 @@ public:
//==============================================================================
MultiOutSynth()
: AudioProcessor (BusesProperties()
.withOutput ("Output #1", AudioChannelSet::stereo(), true)
.withOutput ("Output #2", AudioChannelSet::stereo(), false)
.withOutput ("Output #3", AudioChannelSet::stereo(), false)
.withOutput ("Output #4", AudioChannelSet::stereo(), false)
.withOutput ("Output #5", AudioChannelSet::stereo(), false)
.withOutput ("Output #6", AudioChannelSet::stereo(), false)
.withOutput ("Output #7", AudioChannelSet::stereo(), false)
.withOutput ("Output #8", AudioChannelSet::stereo(), false)
.withOutput ("Output #9", AudioChannelSet::stereo(), false)
.withOutput ("Output #10", AudioChannelSet::stereo(), false)
.withOutput ("Output #11", AudioChannelSet::stereo(), false)
.withOutput ("Output #12", AudioChannelSet::stereo(), false)
.withOutput ("Output #13", AudioChannelSet::stereo(), false)
.withOutput ("Output #14", AudioChannelSet::stereo(), false)
.withOutput ("Output #15", AudioChannelSet::stereo(), false)
.withOutput ("Output #16", AudioChannelSet::stereo(), false))
{
// The base class constructor will already add a main stereo output bus
// If you want to add your own main channel then simply call clear the
// output buses (busArrangement.outputBuses.clear()) and then add your own
// Add additional output buses but disable these by default
for (int busNr = 1; busNr < maxMidiChannel; ++busNr)
busArrangement.outputBuses.add (AudioProcessorBus (String ("Output #") += String (busNr + 1), AudioChannelSet::disabled()));
// initialize other stuff (not related to buses)
formatManager.registerBasicFormats();
@ -65,21 +74,8 @@ public:
~MultiOutSynth() {}
//==============================================================================
bool setPreferredBusArrangement (bool isInputBus, int busIndex,
const AudioChannelSet& preferred) override
{
const int numChannels = preferred.size();
const bool isMainBus = (busIndex == 0);
// do not allow disabling the main output bus
if (isMainBus && preferred.isDisabled()) return false;
// only support mono or stereo (or disabling) buses
if (numChannels > 2) return false;
// pass the call on to the base class
return AudioProcessor::setPreferredBusArrangement (isInputBus, busIndex, preferred);
}
bool canAddBus (bool isInput) const override { return (! isInput && getBusCount (false) < maxMidiChannel); }
bool canRemoveBus (bool isInput) const override { return (! isInput && getBusCount (false) > 1); }
//==============================================================================
void prepareToPlay (double newSampleRate, int samplesPerBlock) override
@ -94,13 +90,13 @@ public:
void processBlock (AudioSampleBuffer& buffer, MidiBuffer& midiBuffer) override
{
for (int busNr = 0; busNr < maxMidiChannel; ++busNr)
const int busCount = getBusCount (false);
for (int busNr = 0; busNr < busCount; ++busNr)
{
MidiBuffer midiChannelBuffer = filterMidiMessagesForChannel (midiBuffer, busNr + 1);
AudioSampleBuffer audioBusBuffer = busArrangement.getBusBuffer (buffer, false, busNr);
AudioSampleBuffer audioBusBuffer = getBusBuffer (buffer, false, busNr);
if (! busArrangement.outputBuses.getReference (busNr).channels.isDisabled())
synth [busNr]->renderNextBlock (audioBusBuffer, midiChannelBuffer, 0, audioBusBuffer.getNumSamples());
synth [busNr]->renderNextBlock (audioBusBuffer, midiChannelBuffer, 0, audioBusBuffer.getNumSamples());
}
}