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/*
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* PluginManager.h
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* ---------------
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* Purpose: Plugin management
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#pragma once
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#include "openmpt/all/BuildSettings.hpp"
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OPENMPT_NAMESPACE_BEGIN
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constexpr int32 PLUGMAGIC(char a, char b, char c, char d) noexcept
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{
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return static_cast<int32>((static_cast<uint32>(a) << 24) | (static_cast<uint32>(b) << 16) | (static_cast<uint32>(c) << 8) | (static_cast<uint32>(d) << 0));
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}
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//#define kBuzzMagic PLUGMAGIC('B', 'u', 'z', 'z')
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inline constexpr int32 kDmoMagic = PLUGMAGIC('D', 'X', 'M', 'O');
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class CSoundFile;
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class IMixPlugin;
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struct SNDMIXPLUGIN;
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enum PluginArch : int;
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struct VSTPluginLib
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{
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public:
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enum PluginCategory : uint8
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{
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// Same plugin categories as defined in VST SDK
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catUnknown = 0,
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catEffect, // Simple Effect
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catSynth, // VST Instrument (Synths, samplers,...)
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catAnalysis, // Scope, Tuner, ...
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catMastering, // Dynamics, ...
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catSpacializer, // Panners, ...
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catRoomFx, // Delays and Reverbs
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catSurroundFx, // Dedicated surround processor
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catRestoration, // Denoiser, ...
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catOfflineProcess, // Offline Process
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catShell, // Plug-in is container of other plug-ins
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catGenerator, // Tone Generator, ...
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// Custom categories
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catDMO, // DirectX media object plugin
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catHidden, // For internal plugins that should not be visible to the user (e.g. because they only exist for legacy reasons)
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numCategories
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};
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public:
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using CreateProc = IMixPlugin *(*)(VSTPluginLib &factory, CSoundFile &sndFile, SNDMIXPLUGIN *mixStruct);
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IMixPlugin *pPluginsList = nullptr; // Pointer to first plugin instance (this instance carries pointers to other instances)
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CreateProc Create; // Factory to call for this plugin
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mpt::PathString libraryName; // Display name
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mpt::PathString dllPath; // Full path name
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#ifdef MODPLUG_TRACKER
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mpt::ustring tags; // User tags
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CString vendor;
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#endif // MODPLUG_TRACKER
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int32 pluginId1 = 0; // Plugin type (kEffectMagic, kDmoMagic, ...)
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int32 pluginId2 = 0; // Plugin unique ID
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PluginCategory category = catUnknown;
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const bool isBuiltIn : 1;
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bool isInstrument : 1;
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bool useBridge : 1, shareBridgeInstance : 1, modernBridge : 1;
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protected:
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mutable uint8 dllArch = 0;
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public:
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VSTPluginLib(CreateProc factoryProc, bool isBuiltIn, const mpt::PathString &dllPath, const mpt::PathString &libraryName
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#ifdef MODPLUG_TRACKER
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, const mpt::ustring &tags = mpt::ustring(), const CString &vendor = CString()
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#endif // MODPLUG_TRACKER
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)
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: Create(factoryProc)
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, libraryName(libraryName), dllPath(dllPath)
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#ifdef MODPLUG_TRACKER
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, tags(tags)
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, vendor(vendor)
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#endif // MODPLUG_TRACKER
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, category(catUnknown)
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, isBuiltIn(isBuiltIn), isInstrument(false)
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, useBridge(false), shareBridgeInstance(true), modernBridge(true)
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{
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}
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#ifdef MPT_WITH_VST
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// Get native phost process arch encoded as plugin arch
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static uint8 GetNativePluginArch();
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static mpt::ustring GetPluginArchName(uint8 arch);
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static mpt::ustring GetPluginArchNameUser(uint8 arch);
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// Check whether a plugin can be hosted inside OpenMPT or requires bridging
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uint8 GetDllArch(bool fromCache = true) const;
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mpt::ustring GetDllArchName(bool fromCache = true) const;
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mpt::ustring GetDllArchNameUser(bool fromCache = true) const;
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bool IsNative(bool fromCache = true) const;
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// Check if a plugin is native, and if it is currently unknown, assume that it is native. Use this function only for performance reasons
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// (e.g. if tons of unscanned plugins would slow down generation of the plugin selection dialog)
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bool IsNativeFromCache() const;
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#endif // MPT_WITH_VST
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void WriteToCache() const;
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uint32 EncodeCacheFlags() const
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{
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// Format: 00000000.0000000M.AAAAAASB.CCCCCCCI
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return (isInstrument ? 1 : 0)
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| (category << 1)
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| (useBridge ? 0x100 : 0)
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| (shareBridgeInstance ? 0x200 : 0)
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| ((dllArch / 8) << 10)
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| (modernBridge ? 0x10000 : 0)
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;
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}
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void DecodeCacheFlags(uint32 flags)
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{
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category = static_cast<PluginCategory>((flags & 0xFF) >> 1);
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if(category >= numCategories)
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{
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category = catUnknown;
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}
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if(flags & 1)
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{
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isInstrument = true;
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category = catSynth;
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}
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useBridge = (flags & 0x100) != 0;
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shareBridgeInstance = (flags & 0x200) != 0;
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dllArch = ((flags >> 10) & 0x3F) * 8;
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modernBridge = (flags & 0x10000) != 0;
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}
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};
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class CVstPluginManager
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{
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#ifndef NO_PLUGINS
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protected:
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#if defined(MPT_WITH_DMO)
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bool MustUnInitilizeCOM = false;
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#endif
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std::vector<VSTPluginLib *> pluginList;
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public:
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CVstPluginManager();
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~CVstPluginManager();
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using iterator = std::vector<VSTPluginLib *>::iterator;
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using const_iterator = std::vector<VSTPluginLib *>::const_iterator;
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iterator begin() { return pluginList.begin(); }
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const_iterator begin() const { return pluginList.begin(); }
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iterator end() { return pluginList.end(); }
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const_iterator end() const { return pluginList.end(); }
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void reserve(size_t num) { pluginList.reserve(num); }
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size_t size() const { return pluginList.size(); }
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bool IsValidPlugin(const VSTPluginLib *pLib) const;
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VSTPluginLib *AddPlugin(const mpt::PathString &dllPath, bool maskCrashes, const mpt::ustring &tags = mpt::ustring(), bool fromCache = true, bool *fileFound = nullptr);
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bool RemovePlugin(VSTPluginLib *);
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bool CreateMixPlugin(SNDMIXPLUGIN &, CSoundFile &);
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void OnIdle();
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static void ReportPlugException(const mpt::ustring &msg);
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protected:
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void EnumerateDirectXDMOs();
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#else // NO_PLUGINS
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public:
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const VSTPluginLib **begin() const { return nullptr; }
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const VSTPluginLib **end() const { return nullptr; }
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void reserve(size_t) { }
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size_t size() const { return 0; }
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void OnIdle() {}
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#endif // NO_PLUGINS
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};
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OPENMPT_NAMESPACE_END
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