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/*
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* BridgeWrapper.h
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* ---------------
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* Purpose: VST plugin bridge wrapper (host side)
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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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#ifdef MPT_WITH_VST
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#include "BridgeCommon.h"
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#include "../common/ComponentManager.h"
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OPENMPT_NAMESPACE_BEGIN
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struct VSTPluginLib;
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enum PluginArch : int
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{
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PluginArch_unknown = 0,
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PluginArch_x86 = 32,
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PluginArch_amd64 = 64,
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PluginArch_arm = 128 + 32,
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PluginArch_arm64 = 128 + 64,
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};
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std::size_t GetPluginArchPointerSize(PluginArch arch);
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enum class Generation
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{
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Legacy,
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Modern,
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};
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class ComponentPluginBridge
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: public ComponentBase
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{
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public:
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enum Availability
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{
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AvailabilityUnknown = 0,
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AvailabilityOK = 1,
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AvailabilityMissing = -1,
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AvailabilityWrongVersion = -2,
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};
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private:
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const PluginArch arch;
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const Generation generation;
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mpt::PathString exeName;
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Availability availability = AvailabilityUnknown;
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protected:
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ComponentPluginBridge(PluginArch arch, Generation generation);
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protected:
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bool DoInitialize() override;
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public:
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Availability GetAvailability() const { return availability; }
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mpt::PathString GetFileName() const { return exeName; }
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};
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class ComponentPluginBridge_x86
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: public ComponentPluginBridge
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{
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MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridge_x86, "PluginBridge-x86")
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public:
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ComponentPluginBridge_x86() : ComponentPluginBridge(PluginArch_x86, Generation::Modern) { }
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};
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class ComponentPluginBridgeLegacy_x86
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: public ComponentPluginBridge
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{
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MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridgeLegacy_x86, "PluginBridgeLegacy-x86")
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public:
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ComponentPluginBridgeLegacy_x86() : ComponentPluginBridge(PluginArch_x86, Generation::Legacy) { }
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};
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class ComponentPluginBridge_amd64
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: public ComponentPluginBridge
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{
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MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridge_amd64, "PluginBridge-amd64")
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public:
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ComponentPluginBridge_amd64() : ComponentPluginBridge(PluginArch_amd64, Generation::Modern) { }
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};
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class ComponentPluginBridgeLegacy_amd64
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: public ComponentPluginBridge
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{
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MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridgeLegacy_amd64, "PluginBridgeLegacy-amd64")
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public:
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ComponentPluginBridgeLegacy_amd64() : ComponentPluginBridge(PluginArch_amd64, Generation::Legacy) { }
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};
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#if defined(MPT_WITH_WINDOWS10)
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class ComponentPluginBridge_arm
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: public ComponentPluginBridge
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{
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MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridge_arm, "PluginBridge-arm")
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public:
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ComponentPluginBridge_arm() : ComponentPluginBridge(PluginArch_arm, Generation::Modern) { }
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};
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class ComponentPluginBridgeLegacy_arm
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: public ComponentPluginBridge
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{
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MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridgeLegacy_arm, "PluginBridgeLegacy-arm")
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public:
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ComponentPluginBridgeLegacy_arm() : ComponentPluginBridge(PluginArch_arm, Generation::Legacy) { }
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};
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class ComponentPluginBridge_arm64
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: public ComponentPluginBridge
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{
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MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridge_arm64, "PluginBridge-arm64")
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public:
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ComponentPluginBridge_arm64() : ComponentPluginBridge(PluginArch_arm64, Generation::Modern) { }
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};
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class ComponentPluginBridgeLegacy_arm64
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: public ComponentPluginBridge
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{
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MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridgeLegacy_arm64, "PluginBridgeLegacy-arm64")
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public:
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ComponentPluginBridgeLegacy_arm64() : ComponentPluginBridge(PluginArch_arm64, Generation::Legacy) { }
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};
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#endif // MPT_WITH_WINDOWS10
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class BridgeWrapper : private BridgeCommon
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{
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protected:
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Event m_sigAutomation;
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MappedMemory m_oldProcessMem;
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// Helper struct for keeping track of auxiliary shared memory
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struct AuxMem
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{
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std::atomic<bool> used = false;
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std::atomic<uint32> size = 0;
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MappedMemory memory;
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wchar_t name[64];
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};
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AuxMem m_auxMems[MSG_STACK_SIZE];
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std::vector<char> m_cachedProgNames;
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std::vector<ParameterInfo> m_cachedParamInfo;
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std::vector<float> m_cachedParamValues;
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int32 m_cachedProgNameStart = 0, m_cachedParamInfoStart = 0;
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bool m_isSettingProgram = false;
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Vst::ERect m_editRect;
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Vst::VstSpeakerArrangement m_speakers[2];
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ComponentHandle<ComponentPluginBridge_x86> pluginBridge_x86;
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ComponentHandle<ComponentPluginBridgeLegacy_x86> pluginBridgeLegacy_x86;
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ComponentHandle<ComponentPluginBridge_amd64> pluginBridge_amd64;
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ComponentHandle<ComponentPluginBridgeLegacy_amd64> pluginBridgeLegacy_amd64;
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#if defined(MPT_WITH_WINDOWS10)
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ComponentHandle<ComponentPluginBridge_arm> pluginBridge_arm;
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ComponentHandle<ComponentPluginBridgeLegacy_arm> pluginBridgeLegacy_arm;
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ComponentHandle<ComponentPluginBridge_arm64> pluginBridge_arm64;
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ComponentHandle<ComponentPluginBridgeLegacy_arm64> pluginBridgeLegacy_arm64;
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#endif // MPT_WITH_WINDOWS10
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Generation m_Generation = Generation::Modern;
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public:
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// Generic bridge exception
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class BridgeException : public std::exception
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{
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public:
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BridgeException(const char *str) : std::exception(str) { }
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BridgeException() { }
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};
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class BridgeNotFoundException : public BridgeException { };
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// Exception from bridge process
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class BridgeRemoteException
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{
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protected:
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wchar_t *str;
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public:
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BridgeRemoteException(const wchar_t *str_) : str(_wcsdup(str_)) { }
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BridgeRemoteException(const BridgeRemoteException &) = delete;
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BridgeRemoteException & operator=(const BridgeRemoteException &) = delete;
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~BridgeRemoteException() { free(str); }
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const wchar_t *what() const { return str; }
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};
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public:
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static PluginArch GetNativePluginBinaryType();
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static PluginArch GetPluginBinaryType(const mpt::PathString &pluginPath);
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static bool IsPluginNative(const mpt::PathString &pluginPath) { return GetPluginBinaryType(pluginPath) == GetNativePluginBinaryType(); }
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static uint64 GetFileVersion(const WCHAR *exePath);
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static Vst::AEffect *Create(const VSTPluginLib &plugin, bool forceLegacy);
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protected:
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BridgeWrapper();
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~BridgeWrapper();
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bool Init(const mpt::PathString &pluginPath, Generation bridgeGeneration, BridgeWrapper *sharedInstace);
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void ParseNextMessage(int msgID);
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void DispatchToHost(DispatchMsg &msg);
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bool SendToBridge(BridgeMessage &sendMsg);
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void SendAutomationQueue();
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AuxMem *GetAuxMemory(uint32 size);
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static intptr_t VSTCALLBACK DispatchToPlugin(Vst::AEffect *effect, Vst::VstOpcodeToPlugin opcode, int32 index, intptr_t value, void *ptr, float opt);
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intptr_t DispatchToPlugin(Vst::VstOpcodeToPlugin opcode, int32 index, intptr_t value, void *ptr, float opt);
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static void VSTCALLBACK SetParameter(Vst::AEffect *effect, int32 index, float parameter);
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void SetParameter(int32 index, float parameter);
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static float VSTCALLBACK GetParameter(Vst::AEffect *effect, int32 index);
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float GetParameter(int32 index);
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static void VSTCALLBACK Process(Vst::AEffect *effect, float **inputs, float **outputs, int32 sampleFrames);
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static void VSTCALLBACK ProcessReplacing(Vst::AEffect *effect, float **inputs, float **outputs, int32 sampleFrames);
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static void VSTCALLBACK ProcessDoubleReplacing(Vst::AEffect *effect, double **inputs, double **outputs, int32 sampleFrames);
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template<typename buf_t>
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void BuildProcessBuffer(ProcessMsg::ProcessType type, int32 numInputs, int32 numOutputs, buf_t **inputs, buf_t **outputs, int32 sampleFrames);
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static LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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};
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OPENMPT_NAMESPACE_END
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#endif // MPT_WITH_VST
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