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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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29
examples/PlugInSamples/GainPlugIn/Source/GainProcessor.cpp
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@ -34,15 +34,10 @@ public:
//==============================================================================
GainProcessor()
: AudioProcessor (BusesProperties().withInput ("Input", AudioChannelSet::stereo())
.withOutput ("Output", AudioChannelSet::stereo()))
{
addParameter (gain = new AudioParameterFloat ("gain", "Gain", 0.0f, 1.0f, 0.5f));
// Some VST-2 DAWs want the maximum amount of channels to be enabled by default
if (wrapperType == wrapperType_VST)
{
busArrangement.inputBuses. getReference (0).channels = AudioChannelSet::discreteChannels (kVST2MaxChannels);
busArrangement.outputBuses.getReference (0).channels = AudioChannelSet::discreteChannels (kVST2MaxChannels);
}
}
~GainProcessor() {}
@ -85,24 +80,12 @@ public:
}
//==============================================================================
bool setPreferredBusArrangement (bool isInputBus, int busIndex,
const AudioChannelSet& preferred) override
bool isBusesLayoutSupported (const BusesLayout& layouts) const override
{
const int numChannels = preferred.size();
const AudioChannelSet& mainInLayout = layouts.getChannelSet (true, 0);
const AudioChannelSet& mainOutLayout = layouts.getChannelSet (false, 0);
// do not allow disabling channels
if (numChannels == 0)
return false;
// limit the amount of channels for VST-2
if (wrapperType == wrapperType_VST && numChannels > kVST2MaxChannels)
return false;
// always have the same channel layout on both input and output on the main bus
if (! AudioProcessor::setPreferredBusArrangement (! isInputBus, busIndex, preferred))
return false;
return AudioProcessor::setPreferredBusArrangement (isInputBus, busIndex, preferred);
return (mainInLayout == mainOutLayout && (! mainInLayout.isDisabled()));
}
private: