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VST3: Increased the instantiation speed of large shell plug-ins

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This commit is contained in:
Tom Poole 2019-05-23 14:46:08 +01:00
parent 92a9c37bac
commit 9c50bbde2b
1 changed files with 14 additions and 30 deletions
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44
modules/juce_audio_processors/format_types/juce_VST3PluginFormat.cpp
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@ -792,29 +792,6 @@ private:
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DescriptionFactory)
};
struct MatchingDescriptionFinder : public DescriptionFactory
{
MatchingDescriptionFinder (VST3HostContext* h, IPluginFactory* f, const PluginDescription& desc)
: DescriptionFactory (h, f), description (desc)
{
}
static const char* getSuccessString() noexcept { return "Found Description"; }
Result performOnDescription (PluginDescription& desc)
{
if (description.isDuplicateOf (desc))
return Result::fail (getSuccessString());
return Result::ok();
}
private:
const PluginDescription& description;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MatchingDescriptionFinder)
};
struct DescriptionLister : public DescriptionFactory
{
DescriptionLister (VST3HostContext* host, IPluginFactory* pluginFactory)
@ -1088,15 +1065,22 @@ private:
if (pluginFactory != nullptr)
{
ComSmartPtr<VST3HostContext> host (new VST3HostContext());
MatchingDescriptionFinder finder (host, pluginFactory, description);
auto numClasses = pluginFactory->countClasses();
auto result = finder.findDescriptionsAndPerform (f);
if (result.getErrorMessage() == MatchingDescriptionFinder::getSuccessString())
for (Steinberg::int32 i = 0; i < numClasses; ++i)
{
name = description.name;
return true;
PClassInfo info;
pluginFactory->getClassInfo (i, &info);
if (std::strcmp (info.category, kVstAudioEffectClass) != 0)
continue;
if (toString (info.name).trim() == description.name
&& getHashForTUID (info.cid) == description.uid)
{
name = description.name;
return true;
}
}
}