mirror/JUCE
1
0
Fork 0
mirror of https://github.com/juce-framework/JUCE.git synced 2026-01-09 23:34:20 +00:00
Code Activity

VST3 Wrapper: Avoid calling processBlock when there is no audio input/output

Browse source
This commit is contained in:
reuk 2022-01-12 19:58:31 +00:00
parent df206371ff
commit bd52350c00
No known key found for this signature in database
GPG key ID: 9ADCD339CFC98A11
1 changed files with 21 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

38
modules/juce_audio_plugin_client/VST3/juce_VST3_Wrapper.cpp
View file

@ -3155,9 +3155,27 @@ public:
return kResultFalse; return kResultFalse;
} }
if (processSetup.symbolicSampleSize == Vst::kSample32) processAudio<float> (data, channelListFloat); // If all of these are zero, the host is attempting to flush parameters without processing audio.
else if (processSetup.symbolicSampleSize == Vst::kSample64) processAudio<double> (data, channelListDouble); if (data.numSamples != 0 || data.numInputs != 0 || data.numOutputs != 0)
else jassertfalse; {
if (processSetup.symbolicSampleSize == Vst::kSample32) processAudio<float> (data, channelListFloat);
else if (processSetup.symbolicSampleSize == Vst::kSample64) processAudio<double> (data, channelListDouble);
else jassertfalse;
}
if (auto* changes = data.outputParameterChanges)
{
comPluginInstance->forAllChangedParameters ([&] (Vst::ParamID paramID, float value)
{
Steinberg::int32 queueIndex = 0;
if (auto* queue = changes->addParameterData (paramID, queueIndex))
{
Steinberg::int32 pointIndex = 0;
queue->addPoint (0, value, pointIndex);
}
});
}
#if JucePlugin_ProducesMidiOutput #if JucePlugin_ProducesMidiOutput
if (isMidiOutputBusEnabled && data.outputEvents != nullptr) if (isMidiOutputBusEnabled && data.outputEvents != nullptr)
@ -3381,20 +3399,6 @@ private:
jassert (midiBuffer.getNumEvents() <= numMidiEventsComingIn); jassert (midiBuffer.getNumEvents() <= numMidiEventsComingIn);
#endif #endif
} }
if (auto* changes = data.outputParameterChanges)
{
comPluginInstance->forAllChangedParameters ([&] (Vst::ParamID paramID, float value)
{
Steinberg::int32 queueIndex = 0;
if (auto* queue = changes->addParameterData (paramID, queueIndex))
{
Steinberg::int32 pointIndex = 0;
queue->addPoint (0, value, pointIndex);
}
});
}
} }
//============================================================================== //==============================================================================