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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
namespace PluginFormatManagerHelpers
{
struct ErrorCallbackOnMessageThread : public CallbackMessage
{
ErrorCallbackOnMessageThread (const String& inError,
AudioPluginFormat::InstantiationCompletionCallback* inCallback)
: error (inError), callback (inCallback)
{
}
void messageCallback() override { callback->completionCallback (nullptr, error); }
String error;
ScopedPointer<AudioPluginFormat::InstantiationCompletionCallback> callback;
};
#if JUCE_COMPILER_SUPPORTS_LAMBDAS
struct ErrorLambdaOnMessageThread : public CallbackMessage
{
ErrorLambdaOnMessageThread (const String& inError,
std::function<void (AudioPluginInstance*, const String&)> f)
: error (inError), lambda (f)
{
}
void messageCallback() override { lambda (nullptr, error); }
String error;
std::function<void (AudioPluginInstance*, const String&)> lambda;
};
#endif
}
AudioPluginFormatManager::AudioPluginFormatManager() {}
AudioPluginFormatManager::~AudioPluginFormatManager() {}
//==============================================================================
void AudioPluginFormatManager::addDefaultFormats()
{
#if JUCE_DEBUG
// you should only call this method once!
for (int i = formats.size(); --i >= 0;)
{
#if JUCE_PLUGINHOST_VST && (JUCE_MAC || JUCE_WINDOWS || JUCE_LINUX || JUCE_IOS)
jassert (dynamic_cast<VSTPluginFormat*> (formats[i]) == nullptr);
#endif
#if JUCE_PLUGINHOST_VST3 && (JUCE_MAC || JUCE_WINDOWS)
jassert (dynamic_cast<VST3PluginFormat*> (formats[i]) == nullptr);
#endif
#if JUCE_PLUGINHOST_AU && (JUCE_MAC || JUCE_IOS)
jassert (dynamic_cast<AudioUnitPluginFormat*> (formats[i]) == nullptr);
#endif
#if JUCE_PLUGINHOST_LADSPA && JUCE_LINUX
jassert (dynamic_cast<LADSPAPluginFormat*> (formats[i]) == nullptr);
#endif
}
#endif
#if JUCE_PLUGINHOST_AU && (JUCE_MAC || JUCE_IOS)
formats.add (new AudioUnitPluginFormat());
#endif
#if JUCE_PLUGINHOST_VST && (JUCE_MAC || JUCE_WINDOWS || JUCE_LINUX || JUCE_IOS)
formats.add (new VSTPluginFormat());
#endif
#if JUCE_PLUGINHOST_VST3 && (JUCE_MAC || JUCE_WINDOWS)
formats.add (new VST3PluginFormat());
#endif
#if JUCE_PLUGINHOST_LADSPA && JUCE_LINUX
formats.add (new LADSPAPluginFormat());
#endif
}
int AudioPluginFormatManager::getNumFormats()
{
return formats.size();
}
AudioPluginFormat* AudioPluginFormatManager::getFormat (const int index)
{
return formats [index];
}
void AudioPluginFormatManager::addFormat (AudioPluginFormat* const format)
{
formats.add (format);
}
AudioPluginInstance* AudioPluginFormatManager::createPluginInstance (const PluginDescription& description, double rate,
int blockSize, String& errorMessage) const
{
if (AudioPluginFormat* format = findFormatForDescription (description, errorMessage))
return format->createInstanceFromDescription (description, rate, blockSize, errorMessage);
return nullptr;
}
void AudioPluginFormatManager::createPluginInstanceAsync (const PluginDescription& description,
double initialSampleRate,
int initialBufferSize,
AudioPluginFormat::InstantiationCompletionCallback* callback)
{
String error;
if (AudioPluginFormat* format = findFormatForDescription (description, error))
return format->createPluginInstanceAsync (description, initialSampleRate, initialBufferSize, callback);
(new PluginFormatManagerHelpers::ErrorCallbackOnMessageThread (error, callback))->post();
}
#if JUCE_COMPILER_SUPPORTS_LAMBDAS
void AudioPluginFormatManager::createPluginInstanceAsync (const PluginDescription& description,
double initialSampleRate,
int initialBufferSize,
std::function<void (AudioPluginInstance*, const String&)> f)
{
String error;
if (AudioPluginFormat* format = findFormatForDescription (description, error))
return format->createPluginInstanceAsync (description, initialSampleRate, initialBufferSize, f);
(new PluginFormatManagerHelpers::ErrorLambdaOnMessageThread (error, f))->post();
}
#endif
AudioPluginFormat* AudioPluginFormatManager::findFormatForDescription (const PluginDescription& description, String& errorMessage) const
{
errorMessage = String();
for (int i = 0; i < formats.size(); ++i)
{
AudioPluginFormat* format;
if ((format = formats.getUnchecked (i))->getName() == description.pluginFormatName
&& format->fileMightContainThisPluginType (description.fileOrIdentifier))
return format;
}
errorMessage = NEEDS_TRANS ("No compatible plug-in format exists for this plug-in");
return nullptr;
}
bool AudioPluginFormatManager::doesPluginStillExist (const PluginDescription& description) const
{
for (int i = 0; i < formats.size(); ++i)
if (formats.getUnchecked(i)->getName() == description.pluginFormatName)
return formats.getUnchecked(i)->doesPluginStillExist (description);
return false;
}
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