diff options
Diffstat (limited to 'externals/grill/vst/src/vsthost.h')
| -rw-r--r-- | externals/grill/vst/src/vsthost.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/externals/grill/vst/src/vsthost.h b/externals/grill/vst/src/vsthost.h new file mode 100644 index 00000000..f61aa87b --- /dev/null +++ b/externals/grill/vst/src/vsthost.h @@ -0,0 +1,190 @@ +/*
+vst~ - VST plugin object for PD
+based on the work of Jarno Seppänen and Mark Williamson
+
+Copyright (c)2003-2004 Thomas Grill (xovo@gmx.net)
+For information on usage and redistribution, and for a DISCLAIMER OF ALL
+WARRANTIES, see the file, "license.txt," in this distribution.
+*/
+
+#ifndef __VSTHOST_H
+#define __VSTHOST_H
+
+#include <flext.h>
+#include "AEffectx.h"
+#include "AEffEditor.hpp"
+#include <string>
+
+#if FLEXT_OS == FLEXT_OS_WIN
+#include <windows.h>
+typedef HWND WHandle;
+typedef HMODULE MHandle;
+#elif FLEXT_OS == FLEXT_OS_MAC
+#include <CoreServices/CoreServices.h>
+typedef Handle WHandle;
+typedef void *MHandle;
+#else
+#error Platform not supported!
+#endif
+
+
+#define MAX_EVENTS 64
+#define MAX_INOUTS 8
+
+#define VSTINSTANCE_ERR_NO_VALID_FILE -1
+#define VSTINSTANCE_ERR_NO_VST_PLUGIN -2
+#define VSTINSTANCE_ERR_REJECTED -3
+#define VSTINSTANCE_NO_ERROR 0
+
+#define MIDI_NOTEON 144
+#define MIDI_NOTEOFF 128
+#define MIDI_POLYAFTERTOUCH 160
+#define MIDI_CONTROLCHANGE 176
+#define MIDI_PROGRAMCHANGE 192
+#define MIDI_AFTERTOUCH 208
+#define MIDI_PITCHBEND 224
+
+
+class VSTPlugin:
+ public flext
+{
+public:
+
+ VSTPlugin();
+ ~VSTPlugin();
+
+ int Instance(const char *dllname);
+// void Create(VSTPlugin *plug);
+ void Free();
+ void DspInit(float samplerate,int blocksize);
+
+ bool Is() const { return _pEffect != NULL; }
+
+ long GetVersion() const { return _pEffect?_pEffect->version:0; }
+
+ bool IsSynth() const { return HasFlags(effFlagsIsSynth); }
+ bool IsReplacing() const { return HasFlags(effFlagsCanReplacing); }
+ bool HasEditor() const { return HasFlags(effFlagsHasEditor); }
+
+ const char *GetName() const { return _sProductName; }
+ const char *GetVendorName() const { return _sVendorName; }
+ const char *GetDllName() const { return _sDllName.c_str(); }
+
+ int GetNumInputs() const { return _pEffect?_pEffect->numInputs:0; }
+ int GetNumOutputs() const { return _pEffect?_pEffect->numOutputs:0; }
+
+ int GetNumParams() const { return _pEffect?_pEffect->numParams:0; }
+ void GetParamName(int numparam,char *name) const;
+ void GetParamValue(int numparam,char *parval) const;
+ float GetParamValue(int numparam) const;
+
+ // scan plugin names (can take a _long_ time!!)
+ void ScanParams(int i = -1);
+ // get number of scanned parameters
+ int ScannedParams() const { return paramnamecnt; }
+ // get index of named (scanned) parameter... -1 if not found
+ int GetParamIx(const char *p) const;
+
+ bool SetParamFloat(int parameter, float value);
+ bool SetParamInt(int parameter, int value) { return SetParamFloat(parameter,value/65535.0f); }
+
+ void SetCurrentProgram(int prg) { Dispatch(effSetProgram,0,prg); }
+ int GetCurrentProgram() const { return Dispatch(effGetProgram); }
+ int GetNumPrograms() const { return _pEffect->numPrograms; }
+
+ int GetNumCategories() const { return Dispatch(effGetNumProgramCategories); }
+ bool GetProgramName( int cat, int p , char* buf) const;
+
+
+ bool AddMIDI(unsigned char data0,unsigned char data1=0,unsigned char data2=0);
+
+ bool AddNoteOn( unsigned char note,unsigned char speed,unsigned char midichannel=0);
+ bool AddNoteOff( unsigned char note,unsigned char midichannel=0);
+
+ void AddControlChange( int control , int value );
+ void AddProgramChange( int value );
+ void AddPitchBend( int value );
+ void AddAftertouch( int value );
+
+ void Edit(bool open);
+
+ void StartEditing(WHandle h );
+ void StopEditing();
+ bool IsEdited() const { return hwnd != NULL; }
+ WHandle EditorHandle() const { return hwnd; }
+
+ void GetEditorRect(ERect &er) const { ERect *r; Dispatch(effEditGetRect,0,0,&r); er = *r; }
+ void EditorIdle() { Dispatch(effEditIdle); }
+
+ void Visible(bool vis);
+ bool IsVisible() const;
+
+ void Paint(ERect &r) const { Dispatch(effEditDraw,0,0,&r); }
+
+ void processReplacing( float **inputs, float **outputs, long sampleframes );
+ void process( float **inputs, float **outputs, long sampleframes );
+
+ long Dispatch(long opCode, long index = 0, long value = 0, void *ptr = NULL, float opt = 0) const
+ {
+ return Is()?_pEffect->dispatcher(_pEffect, opCode, index, value, ptr, opt):0;
+ }
+
+ static long VSTCALLBACK Master(AEffect *effect, long opcode, long index, long value, void *ptr, float opt);
+
+ void SetPos(int x,int y,bool upd = true);
+ void SetX(int x,bool upd = true) { SetPos(x,posy,upd); }
+ void SetY(int y,bool upd = true) { SetPos(posx,y,upd); }
+ int GetX() const { return posx; }
+ int GetY() const { return posy; }
+ void SetCaption(bool b);
+ bool GetCaption() const { return caption; }
+ void SetTitle(const char *t);
+ const char *GetTitle() const { return title.c_str(); }
+
+protected:
+
+ MHandle h_dll;
+ WHandle hwnd;
+
+ AEffect *_pEffect;
+
+ static void FreeVST(MHandle handle);
+
+ inline long GetFlags() const { return _pEffect?_pEffect->flags:0; }
+ inline bool HasFlags(long msk) const { return _pEffect && (_pEffect->flags&msk); }
+
+ char _sProductName[300];
+ char _sVendorName[300];
+ std::string _sDllName; // Contains dll name
+
+ struct NameCmp:
+ std::less<std::string>
+ {
+ bool operator()(const std::string &a,const std::string &b) const { return a.compare(b) < 0; }
+ };
+
+ typedef std::map<std::string,int,NameCmp> NameMap;
+ int paramnamecnt;
+ NameMap paramnames;
+
+/*
+ float *inputs[MAX_INOUTS];
+ float *outputs[MAX_INOUTS];
+*/
+
+// static VstTimeInfo _timeInfo;
+ VstMidiEvent midievent[MAX_EVENTS];
+ VstEvents events;
+ int queue_size;
+
+// float sample_rate;
+
+ void SendMidi();
+ char _midichannel;
+
+ int posx,posy; // Window position
+ bool caption; // Window border
+ std::string title; // Window title
+};
+
+#endif
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