diff options
Diffstat (limited to 'externals/grill/vst/src/VstHost.cpp')
| -rw-r--r-- | externals/grill/vst/src/VstHost.cpp | 507 |
1 files changed, 204 insertions, 303 deletions
diff --git a/externals/grill/vst/src/VstHost.cpp b/externals/grill/vst/src/VstHost.cpp index 830da33c..75cd3d35 100644 --- a/externals/grill/vst/src/VstHost.cpp +++ b/externals/grill/vst/src/VstHost.cpp @@ -9,91 +9,55 @@ WARRANTIES, see the file, "license.txt," in this distribution. #include "Editor.h" #include "VstHost.h" -#include "vst\aeffeditor.h" #include "vst\aeffectx.h" using namespace std; -VstTimeInfo VSTPlugin::_timeInfo; +static VstTimeInfo _timeInfo; -float VSTPlugin::sample_rate = 44100; +typedef AEffect *(*PVSTMAIN)(audioMasterCallback audioMaster); -//////////////////// -// -///////////////////// VSTPlugin::VSTPlugin(): + h_dll(NULL),hwnd(NULL),_pEffect(NULL), posx(0),posy(0), - hwnd(NULL), - _editor(false) -{ - queue_size=0; - _sDllName = NULL; - h_dll=NULL; - instantiated=false; // Constructin' with no instance - overwrite = false; -// wantidle = false; -// show_params = false; - _midichannel = 0; -} + _midichannel(0),queue_size(0) +{} VSTPlugin::~VSTPlugin() { Free(); // Call free - delete _sDllName; // if _sDllName = NULL , the operation does nothing -> it's safe. } -int VSTPlugin::Instance( const char *dllname) +int VSTPlugin::Instance(const char *dllname) { h_dll = LoadLibrary(dllname); - - if(!h_dll) { + if(!h_dll) 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; + _pEffect = NULL; 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)); + _pEffect = main((audioMasterCallback)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); + if(!_pEffect || _pEffect->magic != kEffectMagic) { + post("VST plugin : Unable to create effect"); + _pEffect = NULL; + FreeLibrary(h_dll); h_dll = NULL; + return VSTINSTANCE_ERR_REJECTED; + } + //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); + FLEXT_ASSERT(Dispatch( effOpen )); +// Dispatch( effMainsChanged, 0, 1); - //************************************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)) { string str1(dllname); string str2 = str1.substr(str1.rfind('\\')+1); @@ -105,43 +69,23 @@ int VSTPlugin::Instance( const char *dllname) strcpy(_sProductName,str1.c_str()); } - if (!_pEffect->dispatcher(_pEffect, effGetVendorString, 0, 0, &_sVendorName, 0.0f)) { + if(!Dispatch( 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); - + _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); + h_dll = plug->h_dll; + _pEffect = plug->_pEffect; + _pEffect->user = this; + + Dispatch( effMainsChanged, 0, 1); // strcpy(_editName,plug->_editName); On current implementation, this replaces the right one. strcpy(_sProductName,plug->_sProductName); strcpy(_sVendorName,plug->_sVendorName); @@ -157,96 +101,117 @@ void VSTPlugin::Create(VSTPlugin *plug) // doesn't unload the Dll. instantiated=true; } +*/ void VSTPlugin::Free() // Called also in destruction { - if(IsEdited()) StopEditor(this); - - 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); + if(Is()) { + if(IsEdited()) StopEditor(this); + + // shut down plugin + Dispatch(effMainsChanged, 0, 0); + Dispatch(effClose); + // delete _pEffect; // <- Should check for the necessity of this command. - _pEffect=NULL; - FreeLibrary(h_dll); + _pEffect = NULL; + if(h_dll) { FreeLibrary(h_dll); h_dll = NULL; } } } -void VSTPlugin::Init( float samplerate , float blocksize ) +void VSTPlugin::DspInit(float samplerate,int 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 ); +// sample_rate = samplerate; + + Dispatch(effMainsChanged, 0, 1); + Dispatch(effSetSampleRate, 0, 0,NULL,samplerate); + Dispatch(effSetBlockSize, 0, blocksize); } +void VSTPlugin::GetParamName(int numparam,char *name) const +{ + if(numparam < GetNumParams()) + Dispatch(effGetParamName,numparam,0,name,0.0f); + else + strcpy(name,"Index out of Range"); +} -bool VSTPlugin::DescribeValue(int p,char* psTxt) +bool VSTPlugin::SetParamFloat(int parameter,float value) { - int parameter = p; - if(instantiated) - { - if(parameter<_pEffect->numParams) - { + if(Is() && parameter >= 0 && parameter < GetNumParams()) { + _pEffect->setParameter(_pEffect,parameter,value); + return true; + } + else + return false; +} + +void VSTPlugin::GetParamValue(int numparam,char *parval) const +{ + if(Is()) { + if(numparam < GetNumParams()) { // 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); + Dispatch(effGetParamDisplay,numparam,0,par_display,0.0f); + Dispatch(effGetParamLabel,numparam,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; + sprintf(parval,"%s%s",par_display,par_label); + } + else + strcpy(parval,"Index out of range"); + } + else + strcpy(parval,"Plugin not loaded"); } -bool VSTPlugin::SetParameter(int parameter, float value) +float VSTPlugin::GetParamValue(int numparam) const { - if(instantiated) - { - if (( parameter >= 0 ) && (parameter<=_pEffect->numParams)) - { - _pEffect->setParameter(_pEffect,parameter,value); - return true; - } - } + if(Is() && numparam < GetNumParams()) + return _pEffect->getParameter(_pEffect, numparam); + else + return -1.0; +} - return false; +void VSTPlugin::Edit(bool open) +{ + if(Is()) { + if(open) { + if(HasEditor() && !IsEdited()) + StartEditor(this); + } + else if(IsEdited()) + StopEditor(this); + } } -bool VSTPlugin::SetParameter(int parameter, int value) +void VSTPlugin::StartEditing(WHandle h) { - return SetParameter(parameter,value/65535.0f); + FLEXT_ASSERT(h != NULL); + Dispatch(effEditOpen,0,0,hwnd = h); } -int VSTPlugin::GetCurrentProgram() -{ - if(instantiated) - return Dispatch(effGetProgram,0,0,NULL,0.0f); - else - return 0; +void VSTPlugin::StopEditing() +{ + Dispatch(effEditClose); + hwnd = NULL; } -void VSTPlugin::SetCurrentProgram(int prg) -{ - if(instantiated) - Dispatch(effSetProgram,0,prg,NULL,0.0f); +void VSTPlugin::Visible(bool vis) +{ + if(Is() && IsEdited()) ShowEditor(this,vis); +} + +bool VSTPlugin::IsVisible() const +{ + return Is() && IsEdited() && IsEditorShown(this); } bool VSTPlugin::AddMIDI(unsigned char data0,unsigned char data1,unsigned char data2) { - if (instantiated) - { - VstMidiEvent* pevent=&midievent[queue_size]; + if(Is()) { + VstMidiEvent* pevent = &midievent[queue_size]; pevent->type = kVstMidiType; pevent->byteSize = 24; @@ -273,18 +238,74 @@ bool VSTPlugin::AddMIDI(unsigned char data0,unsigned char data1,unsigned char da void VSTPlugin::SendMidi() { - if(/*instantiated &&*/ queue_size>0) - { + if(Is() && queue_size > 0) { // Prepare MIDI events and free queue dispatching all events events.numEvents = queue_size; events.reserved = 0; - for(int q=0;q<queue_size;q++) events.events[q] = (VstEvent*)&midievent[q]; + for(int q = 0; q < queue_size; q++) + events.events[q] = (VstEvent*)&midievent[q]; Dispatch(effProcessEvents, 0, 0, &events, 0.0f); - queue_size=0; + queue_size = 0; } } +static int range(int value,int mn = 0,int mx = 127) +{ + return value < mn?mn:(value > mx?mx:value); +} + +bool VSTPlugin::AddNoteOn( unsigned char note,unsigned char speed,unsigned char midichannel) +{ + return AddMIDI((char)MIDI_NOTEON | midichannel,note,speed); +} + +bool VSTPlugin::AddNoteOff( unsigned char note,unsigned char midichannel) +{ + return AddMIDI((char)MIDI_NOTEOFF | midichannel,note,0); +} + +void VSTPlugin::AddAftertouch(int value) +{ + AddMIDI( (char)MIDI_NOTEOFF | _midichannel , range(value) ); +} + +void VSTPlugin::AddPitchBend(int value) +{ + AddMIDI( MIDI_PITCHBEND + (_midichannel & 0xf) , ((value>>7) & 127), (value & 127)); +} + +void VSTPlugin::AddProgramChange(int value) +{ + AddMIDI( MIDI_PROGRAMCHANGE + (_midichannel & 0xf), range(value), 0); +} + +void VSTPlugin::AddControlChange(int control, int value) +{ + AddMIDI( MIDI_CONTROLCHANGE + (_midichannel & 0xf), range(control), range(value)); +} + + +bool VSTPlugin::GetProgramName( int cat , int p, char *buf) const +{ + int parameter = p; + if(parameter < GetNumPrograms()) { + Dispatch(effGetProgramNameIndexed,parameter,cat,buf,0.0f); + return true; + } + else + return false; +} + +void VSTPlugin::SetPos(int x,int y,bool upd) +{ + if(Is()) { + posx = x; posy = y; + if(upd && IsEdited()) MoveEditor(this,posx,posy); + } +} + + void VSTPlugin::processReplacing( float **inputs, float **outputs, long sampleframes ) { @@ -297,16 +318,31 @@ void VSTPlugin::process( float **inputs, float **outputs, long sampleframes ) _pEffect->process( _pEffect , inputs , outputs , sampleframes ); } +#if 1 // Host callback dispatcher long VSTPlugin::Master(AEffect *effect, long opcode, long index, long value, void *ptr, float opt) { -#if 0 - if(!effect) { - FLEXT_LOG("effect = NULL"); + switch (opcode) { + case audioMasterVersion: + return 2; + case audioMasterCurrentId: + return 'AASH'; + default: +#ifdef FLEXT_DEBUG + post("VST -> host: Eff = 0x%.8X, Opcode = %d, Index = %d, Value = %d, PTR = %.8X, OPT = %.3f\n",(int)effect, opcode,index,value,(int)ptr,opt); +#endif return 0; } -#endif +} + +#else + +// Host callback dispatcher +long VSTPlugin::Master(AEffect *effect, long opcode, long index, long value, void *ptr, float opt) +{ + VSTPlugin *th = effect?(VSTPlugin *)effect->user:NULL; + if(!th) FLEXT_LOG("No this"); #ifdef FLEXT_DEBUG if(opcode != audioMasterGetTime) @@ -331,17 +367,11 @@ long VSTPlugin::Master(AEffect *effect, long opcode, long index, long value, voi return 0; // call application idle routine (this will call effEditIdle for all open editors too) case audioMasterPinConnected: - if (value == 0) //input - { - if ( index < 2) return 0; - else return 1; - } - else //output - { - if ( index < 2) return 0; - else return 1; - } - return 0; // inquire if an input or output is beeing connected; + if(value == 0) + return index < 2?0:1; //input + else + return index < 2?0:1; //output + /* case audioMasterWantMidi: return 0; @@ -352,7 +382,7 @@ long VSTPlugin::Master(AEffect *effect, long opcode, long index, long value, voi case audioMasterGetTime: memset(&_timeInfo, 0, sizeof(_timeInfo)); _timeInfo.samplePos = 0; - _timeInfo.sampleRate = sample_rate; + _timeInfo.sampleRate = th?th->sample_rate:0; return (long)&_timeInfo; @@ -364,7 +394,7 @@ long VSTPlugin::Master(AEffect *effect, long opcode, long index, long value, voi return 1; case audioMasterGetSampleRate: - return sample_rate; + return th?(long)th->sample_rate:0; case audioMasterGetVendorString: // Just fooling version string strcpy((char*)ptr,"Steinberg"); @@ -374,37 +404,32 @@ long VSTPlugin::Master(AEffect *effect, long opcode, long index, long value, voi return 5000; // HOST version 5000 case audioMasterGetProductString: // Just fooling product string - strcpy((char*)ptr,"Cubase 5.0"); + strcpy((char *)ptr,"Cubase 5.0"); return 0; case audioMasterVendorSpecific: - { - return 0; - } - + return 0; case audioMasterGetLanguage: return kVstLangEnglish; case audioMasterUpdateDisplay: -#ifdef FLEXT_DEBUG - post("audioMasterUpdateDisplay"); -#endif + FLEXT_LOG("audioMasterUpdateDisplay"); effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f); return 0; case audioMasterCanDo: - if (!strcmp((char*)ptr,"sendVstEvents")) return 1; - if (!strcmp((char*)ptr,"sendVstMidiEvent")) return 1; - if (!strcmp((char*)ptr,"sendVstTimeInfo")) return 1; + if (!strcmp((char *)ptr,"sendVstEvents")) return 1; + else if (!strcmp((char *)ptr,"sendVstMidiEvent")) return 1; + else if (!strcmp((char *)ptr,"sendVstTimeInfo")) return 1; // "receiveVstEvents", // "receiveVstMidiEvent", // "receiveVstTimeInfo", // "reportConnectionChanges", // "acceptIOChanges", - if (!strcmp((char*)ptr,"sizeWindow")) return 1; - if (!strcmp((char*)ptr,"supplyIdle")) return 1; +// else if (!strcmp((char*)ptr,"sizeWindow")) return 1; + else if (!strcmp((char*)ptr,"supplyIdle")) return 1; return -1; case audioMasterSetTime: FLEXT_LOG("VST master dispatcher: Set Time");break; @@ -433,137 +458,13 @@ long VSTPlugin::Master(AEffect *effect, long opcode, long index, long value, voi case audioMasterGetDirectory: FLEXT_LOG("VST master dispatcher: GetDirectory");break; // case audioMasterUpdateDisplay: post("VST master dispatcher: audioMasterUpdateDisplay");break; - default: post("VST master dispatcher: undefed: %d , %d",opcode , effKeysRequired ) ;break; +#ifdef FLEXT_DEBUG + default: + post("VST master dispatcher: undefed: %d , %d",opcode , effKeysRequired ); +#endif } return 0; } -bool VSTPlugin::AddNoteOn( unsigned char note,unsigned char speed,unsigned char midichannel) -{ - return AddMIDI((char)MIDI_NOTEON | midichannel,note,speed); -} - -bool VSTPlugin::AddNoteOff( unsigned char note,unsigned char midichannel) -{ - return AddMIDI((char)MIDI_NOTEOFF | midichannel,note,0); -} - - -bool VSTPlugin::replace() -{ - return overwrite; -} - - -void VSTPlugin::edit(bool open) -{ - if(instantiated) { - if(open) { - if(HasEditor() && !IsEdited()) - StartEditor(this); - } - else if(IsEdited()) - StopEditor(this); - } -} - -void VSTPlugin::visible(bool vis) -{ - if(instantiated && IsEdited()) ShowEditor(this,vis); -} - -void VSTPlugin::EditorIdle() -{ - FLEXT_ASSERT(hwnd != NULL); - Dispatch(effEditIdle,0,0, hwnd,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) -{ - hwnd = h; - FLEXT_ASSERT(hwnd != NULL); - Dispatch(effEditOpen,0,0, hwnd,0.0f); -} - -void VSTPlugin::OnEditorClose() -{ - FLEXT_ASSERT(hwnd != NULL); - Dispatch(effEditClose,0,0, hwnd,0.0f); -} - -void VSTPlugin::StopEditing() -{ - hwnd = NULL; -} - -/* -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<NumPrograms()) - { - Dispatch(effGetProgramNameIndexed,parameter,cat,buf,0.0f); - return true; - } - } - return false; -} - -int VSTPlugin::GetNumCategories() -{ - if(instantiated) - return Dispatch(effGetNumProgramCategories,0,0,NULL,0.0f); - else - return 0; -} +#endif |