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110 lines
3.6 KiB
C++
110 lines
3.6 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2022 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 7 End-User License
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Agreement and JUCE Privacy Policy.
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End User License Agreement: www.juce.com/juce-7-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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#ifndef DOXYGEN
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// Forward declaration to avoid leaking implementation details.
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namespace Steinberg
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{
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class FUnknown;
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using TUID = char[16];
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} // namespace Steinberg
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#endif
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namespace juce
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{
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/** An interface to allow an AudioProcessor to implement extended VST3-specific
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functionality.
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To use this class, ensure that your AudioProcessor publicly inherits
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from VST3ClientExtensions.
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@see VSTCallbackHandler
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@tags{Audio}
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*/
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struct VST3ClientExtensions
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{
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virtual ~VST3ClientExtensions() = default;
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/** This function may be used by implementations of queryInterface()
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in the VST3's implementation of IEditController to return
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additional supported interfaces.
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*/
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virtual int32_t queryIEditController (const Steinberg::TUID, void** obj)
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{
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*obj = nullptr;
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return -1;
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}
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/** This function may be used by implementations of queryInterface()
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in the VST3's implementation of IAudioProcessor to return
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additional supported interfaces.
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*/
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virtual int32_t queryIAudioProcessor (const Steinberg::TUID, void** obj)
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{
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*obj = nullptr;
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return -1;
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}
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/** This may be called by the VST3 wrapper when the host sets an
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IComponentHandler for the plugin to use.
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You should not make any assumptions about how and when this will be
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called - this function may not be called at all!
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*/
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virtual void setIComponentHandler (Steinberg::FUnknown*) {}
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/** This may be called shortly after the AudioProcessor is constructed
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with the current IHostApplication.
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You should not make any assumptions about how and when this will be
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called - this function may not be called at all!
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*/
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virtual void setIHostApplication (Steinberg::FUnknown*) {}
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/** This function will be called to check whether the first input bus
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should be designated as "kMain" or "kAux". Return true if the
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first bus should be kMain, or false if the bus should be kAux.
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All other input buses will always be designated kAux.
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*/
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virtual bool getPluginHasMainInput() const { return true; }
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/** This function should return the UIDs of any compatible VST2 plug-ins.
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Each item in the vector should be a 32-character string consisting only
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of the characters 0-9 and A-F.
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This information will be used to implement the IPluginCompatibility
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interface. Hosts can use this interface to determine whether this VST3
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is capable of replacing a given VST2.
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*/
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virtual std::vector<String> getCompatibleClasses() const { return {}; }
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};
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} // namespace juce
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