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VST3: Return correct count for MIDI input/output buses in getBusCount() and enable/disable them based on activateBus() calls

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ed 2020-06-30 12:49:10 +01:00
parent b0790feab6
commit a2d1fc412a
1 changed files with 25 additions and 18 deletions
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43
modules/juce_audio_plugin_client/VST3/juce_VST3_Wrapper.cpp
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@ -2281,11 +2281,15 @@ public:
if (type == Vst::kEvent)
{
#if JucePlugin_WantsMidiInput
if (dir == Vst::kInput)
return isMidiInputBusEnabled ? 1 : 0;
return 1;
#endif
#if JucePlugin_ProducesMidiOutput
if (dir == Vst::kOutput)
return isMidiOutputBusEnabled ? 1 : 0;
return 1;
#endif
}
return 0;
@ -2366,15 +2370,23 @@ public:
{
if (type == Vst::kEvent)
{
if (index != 0)
return kResultFalse;
if (dir == Vst::kInput)
#if JucePlugin_WantsMidiInput
if (index == 0 && dir == Vst::kInput)
{
isMidiInputBusEnabled = (state != 0);
else
isMidiOutputBusEnabled = (state != 0);
return kResultTrue;
}
#endif
return kResultTrue;
#if JucePlugin_ProducesMidiOutput
if (index == 0 && dir == Vst::kOutput)
{
isMidiOutputBusEnabled = (state != 0);
return kResultTrue;
}
#endif
return kResultFalse;
}
if (type == Vst::kAudio)
@ -2618,7 +2630,7 @@ public:
processParameterChanges (*data.inputParameterChanges);
#if JucePlugin_WantsMidiInput
if (data.inputEvents != nullptr)
if (isMidiInputBusEnabled && data.inputEvents != nullptr)
MidiEventList::toMidiBuffer (midiBuffer, *data.inputEvents);
#endif
@ -2637,7 +2649,7 @@ public:
else jassertfalse;
#if JucePlugin_ProducesMidiOutput
if (data.outputEvents != nullptr)
if (isMidiOutputBusEnabled && data.outputEvents != nullptr)
MidiEventList::toEventList (*data.outputEvents, midiBuffer);
#endif
@ -2914,15 +2926,10 @@ private:
AudioBuffer<double> emptyBufferDouble;
#if JucePlugin_WantsMidiInput
bool isMidiInputBusEnabled = true;
#else
bool isMidiInputBusEnabled = false;
std::atomic<bool> isMidiInputBusEnabled { true };
#endif
#if JucePlugin_ProducesMidiOutput
bool isMidiOutputBusEnabled = true;
#else
bool isMidiOutputBusEnabled = false;
std::atomic<bool> isMidiOutputBusEnabled { true };
#endif
static const char* kJucePrivateDataIdentifier;