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Ensure that AudioUnitUninitialize is called on the message thread when destroying an AudioUnitPluginInstance

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This commit is contained in:
hogliux 2016-05-16 18:23:57 +01:00
parent 5098232062
commit 7eb80b815c
1 changed files with 23 additions and 18 deletions
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41
modules/juce_audio_processors/format_types/juce_AudioUnitPluginFormat.mm
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@ -340,50 +340,55 @@ public:
jassert (AudioUnitFormatHelpers::insideCallback.get() == 0);
#endif
#if JUCE_MAC
if (eventListenerRef != 0)
{
AUListenerDispose (eventListenerRef);
eventListenerRef = 0;
}
#endif
if (audioUnit != nullptr)
{
if (prepared)
releaseResources();
struct AUDeleter : public CallbackMessage
{
AUDeleter (AudioComponentInstance& inInstance, WaitableEvent& inEvent)
AUDeleter (AudioUnitPluginInstance& inInstance, WaitableEvent& inEvent)
: auInstance (inInstance), completionSignal (inEvent)
{}
void messageCallback() override
{
AudioComponentInstanceDispose (auInstance);
auInstance = nullptr;
auInstance.cleanup();
completionSignal.signal();
}
AudioComponentInstance& auInstance;
AudioUnitPluginInstance& auInstance;
WaitableEvent& completionSignal;
};
if (MessageManager::getInstance()->isThisTheMessageThread())
{
AudioComponentInstanceDispose (audioUnit);
audioUnit = nullptr;
cleanup();
}
else
{
WaitableEvent completionEvent;
(new AUDeleter (audioUnit, completionEvent))->post();
(new AUDeleter (*this, completionEvent))->post();
completionEvent.wait();
}
}
}
// called from the destructer above
void cleanup()
{
#if JUCE_MAC
if (eventListenerRef != 0)
{
AUListenerDispose (eventListenerRef);
eventListenerRef = 0;
}
#endif
if (prepared)
releaseResources();
AudioComponentInstanceDispose (audioUnit);
audioUnit = nullptr;
}
bool initialise (double rate, int blockSize)
{
updateNumChannels();