refactor(fmod): move all original files into fmod directory
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//-------------------------------------------------------------------------------------------------------
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// VST Plug-Ins SDK
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// Version 2.3 Extension
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// © 2003, Steinberg Media Technologies, All Rights Reserved
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//-------------------------------------------------------------------------------------------------------
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#ifndef __audioeffectx__
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#define __audioeffectx__
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#ifndef __AudioEffect__
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#include "AudioEffect.hpp" // Version 1.0 base class AudioEffect
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#endif
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#ifndef __aeffectx__
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#include "aeffectx.h" // Version 2.0 'C' extensions and structures
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#endif
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#define VST_2_1_EXTENSIONS 1 // Version 2.1 extensions
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#define VST_2_2_EXTENSIONS 1 // Version 2.2 extensions
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#define VST_2_3_EXTENSIONS 1 // Version 2.3 extensions
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//-------------------------------------------------------------------------------------------------------
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//-------------------------------------------------------------------------------------------------------
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// AudioEffectX extends AudioEffect with new features. So you should derive
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// your Plugin from AudioEffectX
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//-------------------------------------------------------------------------------------------------------
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//-------------------------------------------------------------------------------------------------------
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class AudioEffectX : public AudioEffect
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{
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public:
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// Constructor
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AudioEffectX (audioMasterCallback audioMaster, long numPrograms, long numParams);
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// Destructor
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virtual ~AudioEffectX ();
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// Dispatcher
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virtual long dispatcher (long opCode, long index, long value, void *ptr, float opt);
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virtual AEffEditor* getEditor () { return editor; } // Returns the attached editor
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// 'Plug -> Host' are methods which go from Plugin to Host, and are usually not overridden
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// 'Host -> Plug' are methods which you may override to implement the according functionality (to Host)
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//-------------------------------------------------------------------------------------------------------
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// Events + Time
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//-------------------------------------------------------------------------------------------------------
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// Plug -> Host
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virtual void wantEvents (long filter = 1); // Filter is currently ignored, midi channel data only (default)
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virtual VstTimeInfo* getTimeInfo (long filter); // Returns const VstTimeInfo* (or 0 if not supported)
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// filter should contain a mask indicating which fields are requested
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// (see valid masks in aeffectx.h), as some items may require extensive conversions
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virtual long tempoAt (long pos); // Returns tempo (in bpm * 10000) at sample frame location <pos>
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bool sendVstEventsToHost (VstEvents* events); // Returns true when success
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// Host -> Plug
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virtual long processEvents (VstEvents* events) { return 0; }// 0 means 'wants no more'...else returns 1!
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// VstEvents and VstMidiEvents are declared in aeffectx.h
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//-------------------------------------------------------------------------------------------------------
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// Parameters and Programs
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//-------------------------------------------------------------------------------------------------------
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// Plug -> Host
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virtual long getNumAutomatableParameters (); // Returns the number of automatable Parameters (should be <= than numParams)
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virtual long getParameterQuantization (); // Returns the integer value for +1.0 representation,
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// or 1 if full single float precision is maintained
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// in automation. parameter index in <value> (-1: all, any)
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// Host -> Plug
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virtual bool canParameterBeAutomated (long index) { return true; }
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virtual bool string2parameter (long index, char* text) { return false; } // Note: implies setParameter. text==0 is to be
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// expected to check the capability (returns true).
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virtual float getChannelParameter (long channel, long index) { return 0.f; }
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virtual long getNumCategories () { return 1L; }
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virtual bool getProgramNameIndexed (long category, long index, char* text) { return false; }
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virtual bool copyProgram (long destination) { return false; }
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//-------------------------------------------------------------------------------------------------------
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// Connections, Configuration
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//-------------------------------------------------------------------------------------------------------
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// Plug -> Host
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virtual bool ioChanged (); // Tell Host numInputs and/or numOutputs and/or initialDelay and/or numParameters has changed
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virtual bool needIdle (); // Plugin needs idle calls (outside its editor window), will call fxIdle ()
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virtual bool sizeWindow (long width, long height);
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virtual double updateSampleRate (); // Returns sample rate from Host (may issue setSampleRate() )
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virtual long updateBlockSize (); // Same for block size
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virtual long getInputLatency (); // Returns input Latency
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virtual long getOutputLatency (); // Returns output Latency
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virtual AEffect* getPreviousPlug (long input); // Input can be -1 in which case the first found is returned
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virtual AEffect* getNextPlug (long output); // Output can be -1 in which case the first found is returned
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// Host -> Plug
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virtual void inputConnected (long index, bool state) {} // Input at <index> has been (dis-)connected,
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virtual void outputConnected (long index, bool state) {} // Same as input; state == true: connected
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virtual bool getInputProperties (long index, VstPinProperties* properties) { return false; }
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virtual bool getOutputProperties (long index, VstPinProperties* properties) { return false; }
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virtual VstPlugCategory getPlugCategory ()
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{ if (cEffect.flags & effFlagsIsSynth) return kPlugCategSynth; return kPlugCategUnknown; } // See aeffects.h for Category
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//-------------------------------------------------------------------------------------------------------
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// Realtime
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//-------------------------------------------------------------------------------------------------------
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// Plug -> Host
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virtual long willProcessReplacing (); // Returns 0: not implemented, 1: replacing, 2: accumulating
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virtual long getCurrentProcessLevel (); // Returns 0: not supported,
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// 1: currently in user thread (gui)
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// 2: currently in audio thread or irq (where process is called)
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// 3: currently in 'sequencer' thread or irq (midi, timer etc)
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// 4: currently offline processing and thus in user thread
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// other: not defined, but probably pre-empting user thread.
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virtual long getAutomationState (); // Returns 0: not supported, 1: off, 2:read, 3:write, 4:read/write
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virtual void wantAsyncOperation (bool state = true); // Notify Host that we want to operate asynchronously.
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// process () will return immediately; Host will poll getCurrentPosition
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// to see if data are available in time.
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virtual void hasExternalBuffer (bool state = true); // For external DSP, may have their own output buffer (32 bit float)
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// Host then requests this via effGetDestinationBuffer
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// Host -> Plug
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virtual long reportCurrentPosition () { return 0; } // For external DSP, see wantAsyncOperation ()
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virtual float* reportDestinationBuffer () { return 0; } // For external DSP (dma option)
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//-------------------------------------------------------------------------------------------------------
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// Offline
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//-------------------------------------------------------------------------------------------------------
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// Plug -> Host
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virtual bool offlineRead (VstOfflineTask* offline, VstOfflineOption option, bool readSource = true);
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virtual bool offlineWrite (VstOfflineTask* offline, VstOfflineOption option);
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virtual bool offlineStart (VstAudioFile* ptr, long numAudioFiles, long numNewAudioFiles);
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virtual long offlineGetCurrentPass ();
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virtual long offlineGetCurrentMetaPass ();
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// Host -> Plug
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virtual bool offlineNotify (VstAudioFile* ptr, long numAudioFiles, bool start) { return false; }
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virtual bool offlinePrepare (VstOfflineTask* offline, long count) { return false; }
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virtual bool offlineRun (VstOfflineTask* offline, long count) { return false; }
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virtual long offlineGetNumPasses () { return 0; }
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virtual long offlineGetNumMetaPasses () { return 0; }
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//-------------------------------------------------------------------------------------------------------
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// Other
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//-------------------------------------------------------------------------------------------------------
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// Plug -> Host
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virtual void setOutputSamplerate (float samplerate);
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virtual VstSpeakerArrangement* getInputSpeakerArrangement ();
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virtual VstSpeakerArrangement* getOutputSpeakerArrangement ();
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virtual bool getHostVendorString (char* text); // Fills <text> with a string identifying the vendor (max 64 char)
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virtual bool getHostProductString (char* text); // Fills <text> with a string with product name (max 64 char)
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virtual long getHostVendorVersion (); // Returns vendor-specific version
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virtual long hostVendorSpecific (long lArg1, long lArg2, void* ptrArg, float floatArg); // No specific definition
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virtual long canHostDo (char* text); // See 'hostCanDos' in audioeffectx.cpp
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// returns 0: don't know (default), 1: yes, -1: no
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virtual void isSynth (bool state = true); // Will call wantEvents if true
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virtual void noTail (bool state = true); // true: tells Host we produce no output when silence comes in
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// enables Host to omit process() when no data are present on any one input.
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virtual long getHostLanguage (); // Returns VstHostLanguage (see aeffectx.h)
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virtual void* openWindow (VstWindow*); // Create new window
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virtual bool closeWindow (VstWindow*); // Close a newly created window
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virtual void* getDirectory (); // Get the Plugin's directory, FSSpec on MAC, else char*
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virtual bool updateDisplay (); // Something has changed, update display like program list, parameter list
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// returns true if supported
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// Host -> Plug
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virtual bool processVariableIo (VstVariableIo* varIo) { return false; } // If called with varIo == NULL, returning true indicates that this call is supported by the Plugin
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virtual bool setSpeakerArrangement (VstSpeakerArrangement* pluginInput, VstSpeakerArrangement* pluginOutput) { return false; }
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virtual bool getSpeakerArrangement (VstSpeakerArrangement** pluginInput, VstSpeakerArrangement** pluginOutput) { *pluginInput = 0; *pluginOutput = 0; return false; }
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virtual void setBlockSizeAndSampleRate (long blockSize, float sampleRate)
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{ this->blockSize = blockSize; this->sampleRate = sampleRate; }
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virtual bool setBypass (bool onOff) { return false; } // For 'soft-bypass; process () still called
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virtual bool getEffectName (char* name) { return false; } // Name max 32 char
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virtual bool getErrorText (char* text) { return false; } // Text max 256 char
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virtual bool getVendorString (char* text) { return false; } // Fill text with a string identifying the vendor (max 64 char)
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virtual bool getProductString (char* text) { return false; }// Fill text with a string identifying the product name (max 64 char) // fills <ptr> with a string with product name (max 64 char)
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virtual long getVendorVersion () { return 0; } // Return vendor-specific version
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virtual long vendorSpecific (long lArg, long lArg2, void* ptrArg, float floatArg) { return 0; }
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// No definition, vendor specific handling
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virtual long canDo (char* text) { return 0; } // See 'plugCanDos' in audioeffectx.cpp
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// returns 0: don't know (default), 1: yes, -1: no
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virtual void* getIcon () { return 0; } // Not yet defined
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virtual bool setViewPosition (long x, long y) { return false; }
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virtual long getGetTailSize () { return 0; }
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virtual long fxIdle () { return 0; } // Called when NeedIdle () was called
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virtual bool getParameterProperties (long index, VstParameterProperties* p) { return false; }
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virtual bool keysRequired () { return false; } // Version 1 Plugins will return true
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#if VST_2_3_EXTENSIONS
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virtual long getVstVersion () { return 2300; } // Returns the current VST Version
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#elif VST_2_2_EXTENSIONS
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virtual long getVstVersion () { return 2200; }
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#elif VST_2_1_EXTENSIONS
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virtual long getVstVersion () { return 2100; }
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#else
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virtual long getVstVersion () { return 2; }
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#endif
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//---------------------------------------------------------
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#if VST_2_1_EXTENSIONS
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//-------------------------------------------------------------------------------------------------------
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// Midi Program Names, are always defined per channel, valid channels are 0 - 15
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//-------------------------------------------------------------------------------------------------------
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// Host -> Plug
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virtual long getMidiProgramName (long channel, MidiProgramName* midiProgramName) { return 0; }
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// Struct will be filled with information for 'thisProgramIndex'.
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// returns number of used programIndexes.
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// If 0 is returned, no MidiProgramNames supported.
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virtual long getCurrentMidiProgram (long channel, MidiProgramName* currentProgram) { return -1; }
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// Struct will be filled with information for the current program.
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// Returns the programIndex of the current program. -1 means not supported.
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virtual long getMidiProgramCategory (long channel, MidiProgramCategory* category) { return 0; }
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// Struct will be filled with information for 'thisCategoryIndex'.
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// returns number of used categoryIndexes.
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// if 0 is returned, no MidiProgramCategories supported/used.
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virtual bool hasMidiProgramsChanged (long channel) { return false; }
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// Returns true if the MidiProgramNames, MidiKeyNames or
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// MidiControllerNames had changed on this channel.
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virtual bool getMidiKeyName (long channel, MidiKeyName* keyName) { return false; }
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// Struct will be filled with information for 'thisProgramIndex' and 'thisKeyNumber'
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// if keyName is "" the standard name of the key will be displayed.
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// if false is returned, no MidiKeyNames defined for 'thisProgramIndex'.
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virtual bool beginSetProgram () { return false; } // Called before a program is loaded
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virtual bool endSetProgram () { return false; } // Called after...
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// Plug -> Host
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virtual bool beginEdit (long index); // To be called before a setParameterAutomated with mouse move (one per Mouse Down)
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virtual bool endEdit (long index); // To be called after a setParameterAutomated (on Mouse Up)
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virtual bool openFileSelector (VstFileSelect *ptr); // Open a Host File selector (see aeffectx.h for VstFileSelect definition)
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#endif // VST_2_1_EXTENSIONS
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//---------------------------------------------------------
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#if VST_2_2_EXTENSIONS
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bool closeFileSelector (VstFileSelect *ptr); // Close the Host File selector which was opened by openFileSelector
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bool getChunkFile (void* nativePath); // Returns in platform format the path of the current chunk (could be called in setChunk ()) (FSSpec on MAC else char*)
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#endif // VST_2_2_EXTENSIONS
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//---------------------------------------------------------
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#if VST_2_3_EXTENSIONS
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// Host -> Plug
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virtual long setTotalSampleToProcess (long value) { return value; } // Called in offline (non RealTime) Process before process is called, indicates how many sample will be processed
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virtual long getNextShellPlugin (char* name) { return 0; }
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// Tthis opcode is only called, if Plugin is of type kPlugCategShell.
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// should return the next plugin's uniqueID.
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// name points to a char buffer of size 64, which is to be filled
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// with the name of the plugin including the terminating zero.
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virtual long startProcess () { return 0; } // Called one time before the start of process call
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virtual long stopProcess () { return 0; } // Called after the stop of process call
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virtual bool setPanLaw (long type, float val) { return false; } // Set the Panning Law used by the Host
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virtual long beginLoadBank (VstPatchChunkInfo* ptr) { return 0; }
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// Called before a Bank is loaded.
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// returns -1 if the Bank cannot be loaded, returns 1 if it can be loaded else 0 (for compatibility)
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virtual long beginLoadProgram (VstPatchChunkInfo* ptr) { return 0; }
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// Called before a Program is loaded. (called before beginSetProgram)
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// returns -1 if the Program cannot be loaded, returns 1 if it can be loaded else 0 (for compatibility)
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// Tools
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virtual bool allocateArrangement (VstSpeakerArrangement** arrangement, long nbChannels);
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// Allocate memory for a VstSpeakerArrangement containing the given
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// number of channels
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virtual bool deallocateArrangement (VstSpeakerArrangement** arrangement);
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// Delete/free memory for a speaker arrangement
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virtual bool copySpeaker (VstSpeakerProperties* to, VstSpeakerProperties* from);
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// Feed the "to" speaker properties with the same values than "from"'s ones.
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// It is assumed here that "to" exists yet, ie this function won't
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// allocate memory for the speaker (this will prevent from having
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// a difference between an Arrangement's number of channels and
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// its actual speakers...)
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virtual bool matchArrangement (VstSpeakerArrangement** to, VstSpeakerArrangement* from);
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// "to" is deleted, then created and initialized with the same values as "from" ones ("from" must exist).
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#endif // VST_2_3_EXTENSIONS
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};
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#endif //__audioeffectx__
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//-------------------------------------------------------------------------------------------------------
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//-------------------------------------------------------------------------------------------------------
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