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VST3 Client: Only call prepareToPlay() from IComponent::setActive()

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This commit is contained in:
attila 2021-10-25 21:39:53 +02:00
parent db17713aad
commit 3b5d7898ed
1 changed files with 9 additions and 5 deletions
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14
modules/juce_audio_plugin_client/VST3/juce_VST3_Wrapper.cpp
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@ -2306,6 +2306,8 @@ public:
return extractResult (userProvidedInterface, juceProvidedInterface, obj);
}
enum class CallPrepareToPlay { no, yes };
//==============================================================================
tresult PLUGIN_API initialize (FUnknown* hostContext) override
{
@ -2313,7 +2315,7 @@ public:
host.loadFrom (hostContext);
processContext.sampleRate = processSetup.sampleRate;
preparePlugin (processSetup.sampleRate, (int) processSetup.maxSamplesPerBlock);
preparePlugin (processSetup.sampleRate, (int) processSetup.maxSamplesPerBlock, CallPrepareToPlay::no);
return kResultTrue;
}
@ -2390,7 +2392,7 @@ public:
? (int) processSetup.maxSamplesPerBlock
: bufferSize;
preparePlugin (sampleRate, bufferSize);
preparePlugin (sampleRate, bufferSize, CallPrepareToPlay::yes);
}
return kResultOk;
@ -3091,7 +3093,7 @@ public:
: AudioProcessor::singlePrecision);
getPluginInstance().setNonRealtime (newSetup.processMode == Vst::kOffline);
preparePlugin (processSetup.sampleRate, processSetup.maxSamplesPerBlock);
preparePlugin (processSetup.sampleRate, processSetup.maxSamplesPerBlock, CallPrepareToPlay::no);
return kResultTrue;
}
@ -3368,12 +3370,14 @@ private:
| kNeedTransportState;
}
void preparePlugin (double sampleRate, int bufferSize)
void preparePlugin (double sampleRate, int bufferSize, CallPrepareToPlay callPrepareToPlay)
{
auto& p = getPluginInstance();
p.setRateAndBufferSizeDetails (sampleRate, bufferSize);
p.prepareToPlay (sampleRate, bufferSize);
if (callPrepareToPlay == CallPrepareToPlay::yes)
p.prepareToPlay (sampleRate, bufferSize);
midiBuffer.ensureSize (2048);
midiBuffer.clear();