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vst-template/pdvst.hpp

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+/* PdVst v0.0.2 - VST - Pd bridging plugin
+** Copyright (C) 2004 Joseph A. Sarlo
+**
+** This program is free software; you can redistribute it and/orsig
+** modify it under the terms of the GNU General Public License
+** as published by the Free Software Foundation; either version 2
+** of the License, or (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+**
+** jsarlo@ucsd.edu
+*/
+
+#ifndef __PDVST_H
+#define __PDVST_H
+
+#include "audioeffectx.h"
+#include "pdvstEditor.hpp"
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdarg.h>
+
+#define PDBLKSIZE 64
+#define MAXEXTERNS 128
+#define MAXVSTBUFSIZE 4096
+#define MAXPARAMS 128
+#define MAXPROGRAMS 128
+#define MAXCHANS 128
+#define MAXFILENAMELEN 1024
+#define MAXSTRLEN 4096
+#define MAXEXTERNS 128
+#define PDWAITMAX 1000
+#define SETUPFILEEXT ".pdv"
+#define DEFPDVSTBUFFERSIZE 1024
+
+extern "C"
+{
+    #include "pdvstTransfer.h"
+}
+
+/* program data */
+typedef struct _pdvstProgram
+{
+    char name[MAXSTRLEN];
+    float paramValue[MAXPARAMETERS];
+} pdvstProgram;
+
+class pdVstBuffer
+{
+
+    friend class pdvst;
+
+public:
+    pdVstBuffer(int nChans);
+    ~pdVstBuffer();
+    void resize(int newSize);
+
+protected:
+    int nChannels;
+    int inFrameCount;
+    int outFrameCount;
+    int size;
+    float **in;
+    float **out;
+};
+
+class pdvst : public AudioEffectX
+{
+    friend class pdvstEditor;
+
+public:
+    pdvst(audioMasterCallback audioMaster);
+    ~pdvst();
+
+    virtual void process(float **inputs, float **outputs, VstInt32 sampleFrames);
+    virtual void processReplacing(float **inputs, float **outputs,
+                                  VstInt32 sampleFrames);
+    virtual VstInt32 processEvents (VstEvents* events);
+    virtual void setProgram(VstInt32 prgmNum);
+    virtual VstInt32 getProgram();
+    virtual void setProgramName(char *name);
+    virtual void getProgramName(char *name);
+    virtual void setParameter(VstInt32 index, float value);
+    virtual float getParameter(VstInt32 index);
+    virtual void getParameterLabel(VstInt32 index, char *label);
+    virtual void getParameterDisplay(VstInt32 index, char *text);
+    virtual void getParameterName(VstInt32 index, char *text);
+    virtual bool getEffectName(char* name);
+    virtual bool getOutputProperties(VstInt32 index, VstPinProperties* properties);
+    virtual VstInt32 canDo (char* text);
+   // virtual VstInt32 canMono ();
+    virtual void suspend();
+    virtual void resume();
+        void sendGuiAction(int action);
+        void sendPlugName(char * name );  // JYG : to send plug name to puredatapatch
+
+ LPTSTR displayString;//= new TCHAR[MAXSTRINGSIZE];
+
+   HWND pdGui;
+
+protected:
+    static int referenceCount;
+    void debugLog(char *fmt, ...);
+    FILE *debugFile;
+    int pdInFrameCount;
+    int pdOutFrameCount;
+    pdVstBuffer *audioBuffer;
+    char pluginPath[MAXFILENAMELEN];
+    char vstPluginPath[MAXFILENAMELEN];
+    char pluginName[MAXSTRLEN];
+    long pluginId;
+    char pdFile[MAXFILENAMELEN];
+    char errorMessage[MAXFILENAMELEN];
+    char externalLib[MAXEXTERNS][MAXSTRLEN];
+    float vstParam[MAXPARAMS];
+    char **vstParamName;
+    int nParameters;
+    pdvstProgram *program;
+    int nPrograms;
+    int nChannels;
+    int nExternalLibs;
+    bool customGui;
+    int customGuiHeight;
+    int customGuiWidth;
+
+    bool isASynth;
+    bool dspActive;
+    HANDLE pdvstTransferMutex,
+           pdvstTransferFileMap,
+           vstProcEvent,
+           pdProcEvent;
+    pdvstTransferData *pdvstData;
+    char pdvstTransferMutexName[1024];
+    char pdvstTransferFileMapName[1024];
+    char vstProcEventName[1024];
+    char pdProcEventName[1024];
+    char guiName[1024];
+    bool guiNameUpdated;  // used to signal to editor that the parameter guiName has changed
+    void startPd();
+    void parseSetupFile();
+
+    void updatePdvstParameters();
+    void setSyncToVst(int value);
+    //  {JYG
+    DWORD timeFromStartup; // to measure time before vst::setProgram call
+    #ifdef VSTMIDIOUTENABLE
+    /** Stores a single midi event.
+   * The 'events' fields points to midiEvent.
+   */
+  VstEvents    midiOutEvents;
+  /** Last played note information is stored in midiEvent.
+   */
+  VstMidiEvent midiEvent;
+
+  // version alternative (http://stackoverflow.com/questions/359125/how-to-store-data-in-variable-length-arrays-without-causing-memory-corruption)
+  struct VstEvents *evnts;
+  VstMidiEvent midiEvnts[MAXMIDIOUTQUEUESIZE];
+
+    int nbFramesWithoutMidiOutEvent;
+    #endif //VSTMIDIOUTENABLE
+    int syncDefeatNumber;
+
+
+    // JYG  }
+};
+
+#endif