From 5157decd47710b3ed8e4e62e79e07aa1967bd532 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Juha=20Vehvil=C3=A4inen?= Date: Wed, 19 Jun 2002 15:00:09 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r14, which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/vst/; revision=15 --- VstHost.cpp | 581 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 581 insertions(+) create mode 100644 VstHost.cpp (limited to 'VstHost.cpp') diff --git a/VstHost.cpp b/VstHost.cpp new file mode 100644 index 0000000..d93f7f9 --- /dev/null +++ b/VstHost.cpp @@ -0,0 +1,581 @@ +#include "stdafx.h" +#include "m_pd.h" +#include "EditorThread.h" +#include "VstHost.h" +#include "PopupWindow.h" +#include "vst\aeffeditor.h" +#include "vst\aeffectx.h" + + +VstTimeInfo VSTPlugin::_timeInfo; + +float VSTPlugin::sample_rate = 44100; + + +//////////////////// +// +///////////////////// +VSTPlugin::VSTPlugin() +{ + queue_size=0; + _sDllName = NULL; + h_dll=NULL; + instantiated=false; // Constructin' with no instance + overwrite = false; + w = GetForegroundWindow(); + show_params = false; + _midichannel = 0; + edited = false; +} + +VSTPlugin::~VSTPlugin() +{ + Free(); // Call free + delete _sDllName; // if _sDllName = NULL , the operation does nothing -> it's safe. +} + +int VSTPlugin::Instance( const char *dllname) +{ + h_dll=LoadLibrary(dllname); + + if(h_dll==NULL) + { + return VSTINSTANCE_ERR_NO_VALID_FILE; + } + post("Loaded library %s" , dllname); + PVSTMAIN main = (PVSTMAIN)GetProcAddress(h_dll,"main"); + if(!main) + { + FreeLibrary(h_dll); + _pEffect=NULL; + instantiated=false; + return VSTINSTANCE_ERR_NO_VST_PLUGIN; + } + //post("Found main function - about to call it"); + //This calls the "main" function and receives the pointer to the AEffect structure. + _pEffect = main((audioMasterCallback)&(this->Master)); + + if(!_pEffect) + { + post("VST plugin : unable to create effect"); + FreeLibrary(h_dll); + _pEffect=NULL; + instantiated=false; + return VSTINSTANCE_ERR_REJECTED; + } + + if( _pEffect->magic!=kEffectMagic) + { + post("VST plugin : Instance query rejected by 0x%.8X\n",(int)_pEffect); + FreeLibrary(h_dll); + _pEffect=NULL; + instantiated=false; + return VSTINSTANCE_ERR_REJECTED; + } + + //post("VST plugin : Instanced at (Effect*): %.8X\n",(int)_pEffect); + + //init plugin + _pEffect->user = this; + Dispatch( effOpen , 0, 0, NULL, 0.0f); + Dispatch( effSetProgram , 0, 0, NULL, 0.0f); +// Dispatch( effMainsChanged, 0, 1, NULL, 0.0f); + + //************************************set samplerate and stream size here + // we get it when we init our DSP + +// Dispatch( effSetSampleRate, 0, 0, NULL, (float)Global::pConfig->_pOutputDriver->_samplesPerSec); +// Dispatch( effSetBlockSize, 0, STREAM_SIZE, NULL, 0.0f); + + + if (!Dispatch( effGetProductString, 0, 0, &_sProductName, 0.0f)) + { + CString str1(dllname); + CString str2 = str1.Mid(str1.ReverseFind('\\')+1); + int snip = str2.Find('.'); + if ( snip != -1 ) + { + str1 = str2.Left( snip ); + } + else + { + str1 = str2; + } + strcpy(_sProductName,str1); + + } + + if (!_pEffect->dispatcher(_pEffect, effGetVendorString, 0, 0, &_sVendorName, 0.0f)) + { + strcpy(_sVendorName, "Unknown vendor"); + } + _version = _pEffect->version; + _isSynth = (_pEffect->flags & effFlagsIsSynth)?true:false; + overwrite = (_pEffect->flags & effFlagsCanReplacing)?true:false; + editor = (_pEffect->flags & effFlagsHasEditor)?true:false; + + if ( _sDllName != NULL ) delete _sDllName; + _sDllName = new char[strlen(dllname)+1]; + sprintf(_sDllName,dllname); + + + + + //keep plugin name + instantiated=true; + + return VSTINSTANCE_NO_ERROR; +} + +int VSTPlugin::getNumInputs( void ) +{ + return _pEffect->numInputs; +} + +int VSTPlugin::getNumOutputs( void ) +{ + return _pEffect->numOutputs; +} + + +void VSTPlugin::Create(VSTPlugin *plug) +{ + h_dll=plug->h_dll; + _pEffect=plug->_pEffect; + _pEffect->user=this; + Dispatch( effMainsChanged, 0, 1, NULL, 0.0f); +// strcpy(_editName,plug->_editName); On current implementation, this replaces the right one. + strcpy(_sProductName,plug->_sProductName); + strcpy(_sVendorName,plug->_sVendorName); + + _sDllName = new char[strlen(plug->_sDllName)+1]; + strcpy(_sDllName,plug->_sDllName); + + _isSynth=plug->_isSynth; + _version=plug->_version; + + plug->instantiated=false; // We are "stoling" the plugin from the "plug" object so this + // is just a "trick" so that when destructing the "plug", it + // doesn't unload the Dll. + instantiated=true; +} + +void VSTPlugin::Free() // Called also in destruction +{ + if(instantiated) + { + instantiated=false; + post("VST plugin : Free query 0x%.8X\n",(int)_pEffect); + _pEffect->user = NULL; + Dispatch( effMainsChanged, 0, 0, NULL, 0.0f); + Dispatch( effClose, 0, 0, NULL, 0.0f); +// delete _pEffect; // <- Should check for the necessity of this command. + _pEffect=NULL; + FreeLibrary(h_dll); + } +} + +void VSTPlugin::Init( float samplerate , float blocksize ) +{ + sample_rate = samplerate; + Dispatch(effOpen , 0, 0, NULL, 0.f); + Dispatch(effMainsChanged, 0, 1, NULL, 0.f); + Dispatch(effSetSampleRate, 0, 0, 0, (float) sample_rate ); + Dispatch(effSetBlockSize, 0, blocksize, NULL, 0.f ); +} + + +bool VSTPlugin::DescribeValue(int p,char* psTxt) +{ + int parameter = p; + if(instantiated) + { + if(parameter<_pEffect->numParams) + { +// char par_name[64]; + char par_display[64]; + char par_label[64]; + +// Dispatch(effGetParamName,parameter,0,par_name,0.0f); + Dispatch(effGetParamDisplay,parameter,0,par_display,0.0f); + Dispatch(effGetParamLabel,parameter,0,par_label,0.0f); +// sprintf(psTxt,"%s:%s%s",par_name,par_display,par_label); + sprintf(psTxt,"%s%s",par_display,par_label); + return true; + } + else sprintf(psTxt,"NumParams Exeeded"); + } + else sprintf(psTxt,"Not loaded"); + + return false; +} + +bool VSTPlugin::SetParameter(int parameter, float value) +{ + if(instantiated) + { + if (( parameter >= 0 ) && (parameter<=_pEffect->numParams)) + { + _pEffect->setParameter(_pEffect,parameter,value); + return true; + } + } + + return false; +} + +bool VSTPlugin::SetParameter(int parameter, int value) +{ + return SetParameter(parameter,value/65535.0f); +} + +int VSTPlugin::GetCurrentProgram() +{ + if(instantiated) + return Dispatch(effGetProgram,0,0,NULL,0.0f); + else + return 0; +} + +void VSTPlugin::SetCurrentProgram(int prg) +{ + if(instantiated) + Dispatch(effSetProgram,0,prg,NULL,0.0f); +} + +bool VSTPlugin::AddMIDI(unsigned char data0,unsigned char data1,unsigned char data2) +{ + if (instantiated) + { + VstMidiEvent* pevent=&midievent[queue_size]; + + pevent->type = kVstMidiType; + pevent->byteSize = 24; + pevent->deltaFrames = 0; + pevent->flags = 0; + pevent->detune = 0; + pevent->noteLength = 0; + pevent->noteOffset = 0; + pevent->reserved1 = 0; + pevent->reserved2 = 0; + pevent->noteOffVelocity = 0; + pevent->midiData[0] = data0; + pevent->midiData[1] = data1; + pevent->midiData[2] = data2; + pevent->midiData[3] = 0; + + if ( queue_size < MAX_EVENTS ) queue_size++; + SendMidi(); + return true; + } + else return false; +} + + +void VSTPlugin::SendMidi() +{ + if(/*instantiated &&*/ queue_size>0) + { + // Prepare MIDI events and free queue dispatching all events + events.numEvents = queue_size; + events.reserved = 0; + for(int q=0;qprocessReplacing( _pEffect , inputs , outputs , sampleframes ); + +} + +void VSTPlugin::process( float **inputs, float **outputs, long sampleframes ) +{ + _pEffect->process( _pEffect , inputs , outputs , sampleframes ); +} + + +// Host callback dispatcher +long VSTPlugin::Master(AEffect *effect, long opcode, long index, long value, void *ptr, float opt) +{ + //post("VST plugin call to host dispatcher: Eff: 0x%.8X, Opcode = %d, Index = %d, Value = %d, PTR = %.8X, OPT = %.3f\n",(int)effect, opcode,index,value,(int)ptr,opt); + //st( "audioMasterWantMidi %d " , audioMasterWantMidi); + + // Support opcodes + switch(opcode) + { + case audioMasterAutomate: + return 0; // index, value, returns 0 + + case audioMasterVersion: + return 9; // vst version, currently 7 (0 for older) + + case audioMasterCurrentId: + return 'AASH'; // returns the unique id of a plug that's currently loading + + case audioMasterIdle: + effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f); + return 0; // call application idle routine (this will call effEditIdle for all open editors too) + + case audioMasterPinConnected: + return false; // inquire if an input or output is beeing connected; + + case audioMasterWantMidi: + return 0; + + case audioMasterProcessEvents: + return 0; // Support of vst events to host is not available + + case audioMasterGetTime: + memset(&_timeInfo, 0, sizeof(_timeInfo)); + _timeInfo.samplePos = 0; + _timeInfo.sampleRate = sample_rate; + return (long)&_timeInfo; + + + case audioMasterTempoAt: + return 0; + + case audioMasterNeedIdle: + effect->dispatcher(effect, effIdle, 0, 0, NULL, 0.0f); + return 1; + + case audioMasterGetSampleRate: + return sample_rate; + + case audioMasterGetVendorString: // Just fooling version string + strcpy((char*)ptr,"Steinberg"); + return 0; + + case audioMasterGetVendorVersion: + return 5000; // HOST version 5000 + + case audioMasterGetProductString: // Just fooling product string + strcpy((char*)ptr,"Cubase 5.0"); + return 0; + + case audioMasterVendorSpecific: + { + return 0; + } + + + case audioMasterGetLanguage: + return kVstLangEnglish; + + case audioMasterUpdateDisplay: + post("audioMasterUpdateDisplay"); + effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f); + return 0; + + + case audioMasterSetTime: post("VST master dispatcher: Set Time");break; + case audioMasterGetNumAutomatableParameters: post("VST master dispatcher: GetNumAutPar");break; + case audioMasterGetParameterQuantization: post("VST master dispatcher: ParamQuant");break; + case audioMasterIOChanged: post("VST master dispatcher: IOchanged");break; + case audioMasterSizeWindow: post("VST master dispatcher: Size Window");break; + case audioMasterGetBlockSize: post("VST master dispatcher: GetBlockSize");break; + case audioMasterGetInputLatency: post("VST master dispatcher: GetInLatency");break; + case audioMasterGetOutputLatency: post("VST master dispatcher: GetOutLatency");break; + case audioMasterGetPreviousPlug: post("VST master dispatcher: PrevPlug");break; + case audioMasterGetNextPlug: post("VST master dispatcher: NextPlug");break; + case audioMasterWillReplaceOrAccumulate: post("VST master dispatcher: WillReplace"); break; + case audioMasterGetCurrentProcessLevel: return 0; break; + case audioMasterGetAutomationState: post("VST master dispatcher: GetAutState");break; + case audioMasterOfflineStart: post("VST master dispatcher: Offlinestart");break; + case audioMasterOfflineRead: post("VST master dispatcher: Offlineread");break; + case audioMasterOfflineWrite: post("VST master dispatcher: Offlinewrite");break; + case audioMasterOfflineGetCurrentPass: post("VST master dispatcher: OfflineGetcurrentpass");break; + case audioMasterOfflineGetCurrentMetaPass: post("VST master dispatcher: GetGetCurrentMetapass");break; + case audioMasterSetOutputSampleRate: post("VST master dispatcher: Setsamplerate");break; + case audioMasterGetSpeakerArrangement: post("VST master dispatcher: Getspeaker");break; + case audioMasterSetIcon: post("VST master dispatcher: seticon");break; + case audioMasterCanDo: post("VST master dispatcher: Can Do");break; + case audioMasterOpenWindow: post("VST master dispatcher: OpenWindow");break; + case audioMasterCloseWindow: post("VST master dispatcher: CloseWindow");break; + case audioMasterGetDirectory: post("VST master dispatcher: GetDirectory");break; +// case audioMasterUpdateDisplay: post("VST master dispatcher: audioMasterUpdateDisplay");break; + + default: post("VST master dispatcher: undefed: %d , %d",opcode , effKeysRequired ) ;break; + } + + + return 0; +} + +bool VSTPlugin::AddNoteOn( unsigned char note,unsigned char speed,unsigned char midichannel) +{ + if(instantiated) + { + VstMidiEvent* pevent=&midievent[queue_size]; + + pevent->type = kVstMidiType; + pevent->byteSize = 24; + pevent->deltaFrames = 0; + pevent->flags = 0; + pevent->detune = 0; + pevent->noteLength = 0; + pevent->noteOffset = 0; + pevent->reserved1 = 0; + pevent->reserved2 = 0; + pevent->noteOffVelocity = 0; + pevent->midiData[0] = (char)MIDI_NOTEON | midichannel; // Midi On + pevent->midiData[1] = note; + pevent->midiData[2] = speed; + pevent->midiData[3] = 0; + + if ( queue_size < MAX_EVENTS ) queue_size++; + SendMidi(); + return true; + } + else return false; + + +} + +bool VSTPlugin::AddNoteOff( unsigned char note,unsigned char midichannel) +{ + if (instantiated) + { + + VstMidiEvent* pevent=&midievent[queue_size]; + + pevent->type = kVstMidiType; + pevent->byteSize = 24; + pevent->deltaFrames = 0; + pevent->flags = 0; + pevent->detune = 0; + pevent->noteLength = 0; + pevent->noteOffset = 0; + pevent->reserved1 = 0; + pevent->reserved2 = 0; + pevent->noteOffVelocity = 0; + pevent->midiData[0] = (char)MIDI_NOTEOFF | midichannel; // Midi Off + pevent->midiData[1] = note; + pevent->midiData[2] = 0; + pevent->midiData[3] = 0; + + if ( queue_size < MAX_EVENTS ) queue_size++; + + SendMidi(); + return true; + + } + else return false; +} + + +bool VSTPlugin::replace() +{ + return overwrite; +} + + +void VSTPlugin::edit() +{ + if(instantiated) + { + if ( ( editor ) && (!edited)) + { + edited = true; + //b = (CEditorThread*) AfxBeginThread(RUNTIME_CLASS( CEditorThread ) ); + b = new CEditorThread(); + b->SetPlugin( this ); + b->CreateThread(); + } + } +} + +void VSTPlugin::EditorIdle() +{ + Dispatch(effEditIdle,0,0, w,0.0f); +} + +RECT VSTPlugin::GetEditorRect() +{ + RECT ret; + ERect *r; + Dispatch(effEditGetRect,0,0, &r,0.0f); + ret.top = r->top; + ret.bottom = r->bottom; + ret.left = r->left; + ret.right = r->right; + return ret; +} + +void VSTPlugin::SetEditWindow(HWND h) +{ + w = h; + Dispatch(effEditOpen,0,0, w,0.0f); +} + +void VSTPlugin::OnEditorCLose() +{ + Dispatch(effEditClose,0,0, w,0.0f); +} + +void VSTPlugin::SetShowParameters(bool s) +{ + show_params = s; +} + +bool VSTPlugin::ShowParams() +{ + return show_params; +} + +void VSTPlugin::AddAftertouch(int value) +{ + if (value < 0) value = 0; else if (value > 127) value = 127; + AddMIDI( (char)MIDI_NOTEOFF | _midichannel , value ); +} + +void VSTPlugin::AddPitchBend(int value) +{ + AddMIDI( MIDI_PITCHBEND + (_midichannel & 0xf) , ((value>>7) & 127), (value & 127)); +} + +void VSTPlugin::AddProgramChange(int value) +{ + if (value < 0) value = 0; else if (value > 127) value = 127; + AddMIDI( MIDI_PROGRAMCHANGE + (_midichannel & 0xf), value, 0); +} + +void VSTPlugin::AddControlChange(int control, int value) +{ + if (control < 0) control = 0; else if (control > 127) control = 127; + if (value < 0) value = 0; else if (value > 127) value = 127; + AddMIDI( MIDI_CONTROLCHANGE + (_midichannel & 0xf), control, value); +} + + +bool VSTPlugin::GetProgramName( int cat , int p, char *buf) +{ + int parameter = p; + if(instantiated) + { + if(parameter