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//------------------------------------------------------------------------
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// Project : VST SDK
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//
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// Category : Helpers
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// Filename : public.sdk/source/vst/basewrapper/basewrapper.h
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// Created by : Steinberg, 01/2018
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// Description : VST 3 -> XXX Wrapper
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//
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//-----------------------------------------------------------------------------
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// This file is part of a Steinberg SDK. It is subject to the license terms
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// in the LICENSE file found in the top-level directory of this distribution
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// and at www.steinberg.net/sdklicenses.
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// No part of the SDK, including this file, may be copied, modified, propagated,
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// or distributed except according to the terms contained in the LICENSE file.
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//-----------------------------------------------------------------------------
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#pragma once
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/// \cond ignore
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#include "pluginterfaces/base/ftypes.h"
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#include "pluginterfaces/gui/iplugview.h"
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#include "pluginterfaces/vst/ivstaudioprocessor.h"
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#include "pluginterfaces/vst/ivsteditcontroller.h"
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#include "pluginterfaces/vst/ivsthostapplication.h"
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#include "pluginterfaces/vst/ivstprocesscontext.h"
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#include "pluginterfaces/vst/ivstunits.h"
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#include "public.sdk/source/common/memorystream.h"
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#include "public.sdk/source/vst/hosting/eventlist.h"
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#include "public.sdk/source/vst/hosting/parameterchanges.h"
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#include "public.sdk/source/vst/hosting/pluginterfacesupport.h"
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#include "public.sdk/source/vst/hosting/processdata.h"
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#include "base/source/fstring.h"
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#include "base/source/timer.h"
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#include <map>
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#include <vector>
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//------------------------------------------------------------------------
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namespace Steinberg {
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namespace Vst {
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//------------------------------------------------------------------------
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class BaseEditorWrapper : public IPlugFrame,
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public FObject
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{
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public:
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//------------------------------------------------------------------------
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BaseEditorWrapper (IEditController* controller);
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~BaseEditorWrapper () override;
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static bool hasEditor (IEditController* controller);
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bool getRect (ViewRect& rect);
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virtual bool _open (void* ptr);
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virtual void _close ();
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bool _setKnobMode (Vst::KnobMode val);
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// IPlugFrame
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tresult PLUGIN_API resizeView (IPlugView* view, ViewRect* newSize) SMTG_OVERRIDE;
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// FUnknown
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tresult PLUGIN_API queryInterface (const char* _iid, void** obj) SMTG_OVERRIDE;
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REFCOUNT_METHODS (FObject);
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//------------------------------------------------------------------------
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protected:
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void createView ();
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IPtr<IEditController> mController;
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IPtr<IPlugView> mView;
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ViewRect mViewRect;
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};
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//------------------------------------------------------------------------
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const int32 kMaxEvents = 2048;
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class ConnectionProxy;
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//-------------------------------------------------------------------------------------------------------
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class BaseWrapper : public IHostApplication,
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public IComponentHandler,
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public IUnitHandler,
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public ITimerCallback,
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public FObject
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{
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public:
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struct SVST3Config
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{
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IPluginFactory* factory = nullptr;
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IAudioProcessor* processor = nullptr;
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IEditController* controller = nullptr;
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FUID vst3ComponentID;
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};
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BaseWrapper (SVST3Config& config);
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~BaseWrapper () override;
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virtual bool init ();
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virtual void _canDoubleReplacing (bool /*val*/) {}
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virtual void _setInitialDelay (uint32 /*delay*/) {}
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virtual void _noTail (bool /*val*/) {}
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virtual void _ioChanged () {}
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virtual void _updateDisplay () {}
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virtual void _setNumInputs (uint32 inputs) { mNumInputs = inputs; }
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virtual void _setNumOutputs (uint32 outputs) { mNumOutputs = outputs; }
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virtual bool _sizeWindow (int32 width, int32 height) = 0;
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virtual int32 _getChunk (void** data, bool isPreset);
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virtual int32 _setChunk (void* data, int32 byteSize, bool isPreset);
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virtual bool getEditorSize (int32& width, int32& height) const;
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bool isActive () const { return mActive; }
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uint32 getNumInputs () const { return mNumInputs; }
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uint32 getNumOutputs () const { return mNumOutputs; }
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BaseEditorWrapper* getEditor () const { return mEditor; }
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//--- ---------------------------------------------------------------------
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// VST 3 Interfaces ------------------------------------------------------
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// FUnknown
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tresult PLUGIN_API queryInterface (const char* iid, void** obj) SMTG_OVERRIDE;
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REFCOUNT_METHODS (FObject);
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// IHostApplication
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tresult PLUGIN_API createInstance (TUID cid, TUID iid, void** obj) SMTG_OVERRIDE;
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// IComponentHandler
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tresult PLUGIN_API restartComponent (int32 flags) SMTG_OVERRIDE;
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// IUnitHandler
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tresult PLUGIN_API notifyUnitSelection (UnitID unitId) SMTG_OVERRIDE;
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tresult PLUGIN_API notifyProgramListChange (ProgramListID listId,
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int32 programIndex) SMTG_OVERRIDE;
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// ITimer
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void onTimer (Timer* timer) SMTG_OVERRIDE;
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//-------------------------------------------------------------------------------------------------------
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protected:
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void term ();
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virtual void setupParameters ();
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virtual void setupProcessTimeInfo () = 0;
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virtual void processOutputEvents () {}
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virtual void processOutputParametersChanges () {}
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void _setSampleRate (float newSamplerate);
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bool setupProcessing (int32 processModeOverwrite = -1);
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void _processReplacing (float** inputs, float** outputs, int32 sampleFrames);
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void _processDoubleReplacing (double** inputs, double** outputs, int32 sampleFrames);
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template <class T>
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void setProcessingBuffers (T** inputs, T** outputs);
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void doProcess (int32 sampleFrames);
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void processMidiEvent (Event& toAdd, char* midiData, bool isLive = false, int32 noteLength = 0,
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float noteOffVelocity = 1.f, float detune = 0.f);
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void setEventPPQPositions ();
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void _setEditor (BaseEditorWrapper* editor);
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bool _setBlockSize (int32 newBlockSize);
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float _getParameter (int32 index) const;
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void _suspend ();
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void _resume ();
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void _startProcess ();
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void _stopProcess ();
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bool _setBypass (bool onOff);
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virtual void setupBuses ();
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void initMidiCtrlerAssignment ();
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void getUnitPath (UnitID unitID, String& path) const;
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uint32 countMainBusChannels (BusDirection dir, uint64& mainBusBitset);
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/** Returns the last param change from guiTransfer queue. */
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bool getLastParamChange (ParamID id, ParamValue& value);
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void addParameterChange (ParamID id, ParamValue value, int32 sampleOffset);
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void setVendorName (char* name);
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void setEffectName (char* name);
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void setEffectVersion (char* version);
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void setSubCategories (char* string);
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bool getProgramListAndUnit (int32 midiChannel, UnitID& unitId, ProgramListID& programListId);
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bool getProgramListInfoByProgramListID (ProgramListID programListId, ProgramListInfo& info);
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static const int32 kMaxProgramChangeParameters = 16;
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ParamID mProgramChangeParameterIDs[kMaxProgramChangeParameters]; // for each MIDI channel
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int32 mProgramChangeParameterIdxs[kMaxProgramChangeParameters]; // for each MIDI channel
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FUID mVst3EffectClassID;
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// vst3 data
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IPtr<IAudioProcessor> mProcessor;
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IPtr<IComponent> mComponent;
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IPtr<IEditController> mController;
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IPtr<IUnitInfo> mUnitInfo;
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IPtr<IMidiMapping> mMidiMapping;
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IPtr<BaseEditorWrapper> mEditor;
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IPtr<PlugInterfaceSupport> mPlugInterfaceSupport;
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IPtr<ConnectionProxy> mProcessorConnection;
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IPtr<ConnectionProxy> mControllerConnection;
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int32 mVst3SampleSize = kSample32;
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int32 mVst3processMode = kRealtime;
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char mName[PClassInfo::kNameSize];
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char mVendor[PFactoryInfo::kNameSize];
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char mSubCategories[PClassInfo2::kSubCategoriesSize];
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int32 mVersion = 0;
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struct ParamMapEntry
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{
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ParamID vst3ID;
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int32 vst3Index;
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};
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std::vector<ParamMapEntry> mParameterMap;
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std::map<ParamID, int32> mParamIndexMap;
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ParamID mBypassParameterID = kNoParamId;
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ParamID mProgramParameterID = kNoParamId;
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int32 mProgramParameterIdx = -1;
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HostProcessData mProcessData;
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ProcessContext mProcessContext;
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ParameterChanges mInputChanges;
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ParameterChanges mOutputChanges;
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IPtr<EventList> mInputEvents;
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IPtr<EventList> mOutputEvents;
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uint64 mMainAudioInputBuses = 0;
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uint64 mMainAudioOutputBuses = 0;
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ParameterChangeTransfer mInputTransfer;
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ParameterChangeTransfer mOutputTransfer;
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ParameterChangeTransfer mGuiTransfer;
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MemoryStream mChunk;
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IPtr<Timer> mTimer;
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IPtr<IPluginFactory> mFactory;
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int32 mNumPrograms {0};
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float mSampleRate {44100};
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int32 mBlockSize {256};
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int32 mNumParams {0};
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int32 mCurProgram {-1};
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uint32 mNumInputs {0};
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uint32 mNumOutputs {0};
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enum
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{
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kMaxMidiMappingBusses = 4
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};
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ParamID* mMidiCCMapping[kMaxMidiMappingBusses][16];
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bool mComponentInitialized = false;
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bool mControllerInitialized = false;
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bool mComponentsConnected = false;
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bool mUseExportedBypass = true;
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bool mActive = false;
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bool mProcessing = false;
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bool mHasEventInputBuses = false;
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bool mHasEventOutputBuses = false;
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bool mUseIncIndex = true;
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};
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const uint8 kNoteOff = 0x80; ///< note, off velocity
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const uint8 kNoteOn = 0x90; ///< note, on velocity
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const uint8 kPolyPressure = 0xA0; ///< note, pressure
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const uint8 kController = 0xB0; ///< controller, value
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const uint8 kProgramChangeStatus = 0xC0; ///< program change
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const uint8 kAfterTouchStatus = 0xD0; ///< channel pressure
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const uint8 kPitchBendStatus = 0xE0; ///< lsb, msb
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const float kMidiScaler = 1.f / 127.f;
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static const uint8 kChannelMask = 0x0F;
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static const uint8 kStatusMask = 0xF0;
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static const uint32 kDataMask = 0x7F;
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//------------------------------------------------------------------------
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} // namespace Vst
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} // namespace Steinberg
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/// \endcond
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@@ -0,0 +1,26 @@
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//------------------------------------------------------------------------
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// Project : VST SDK
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//
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// Category : Helpers
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// Filename : public.sdk/source/vst/basewrapper/basewrapper.sdk.cpp
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// Created by : Steinberg, 05/2018
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// Description : VST 3 -> XXX Wrapper
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//
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//-----------------------------------------------------------------------------
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// This file is part of a Steinberg SDK. It is subject to the license terms
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// in the LICENSE file found in the top-level directory of this distribution
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// and at www.steinberg.net/sdklicenses.
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// No part of the SDK, including this file, may be copied, modified, propagated,
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// or distributed except according to the terms contained in the LICENSE file.
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//-----------------------------------------------------------------------------
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#include "public.sdk/source/common/memorystream.cpp"
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#include "public.sdk/source/vst/basewrapper/basewrapper.cpp"
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#include "public.sdk/source/vst/hosting/connectionproxy.cpp"
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#include "public.sdk/source/vst/hosting/eventlist.cpp"
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#include "public.sdk/source/vst/hosting/hostclasses.cpp"
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#include "public.sdk/source/vst/hosting/parameterchanges.cpp"
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#include "public.sdk/source/vst/hosting/pluginterfacesupport.cpp"
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#include "public.sdk/source/vst/hosting/processdata.cpp"
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