moved old qt4 branch

14 files changed, 958 insertions, 0 deletions

diff --git a/muse_qt4_evolution/synti/libsynti/CMakeLists.txt b/muse_qt4_evolution/synti/libsynti/CMakeLists.txt
new file mode 100644
index 00000000..c30048dc
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/CMakeLists.txt
@@ -0,0 +1,39 @@
+#=============================================================================
+#  MusE
+#  Linux Music Editor
+#  $Id:$
+#
+#  Copyright (C) 2002-2006 by Werner Schweer and others
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License version 2.
+#
+#  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+#=============================================================================
+
+include(${PROJECT_SOURCE_DIR}/pch.txt)
+
+add_library(synti
+      ${PROJECT_BINARY_DIR}/all-pic.h.pch
+      mess.cpp
+      mess2.cpp
+      gui.cpp
+      mono.cpp
+      poly.cpp
+      midievent.cpp
+      )
+
+#
+# -fPIC is necessary for 64 bit systems
+#
+set_target_properties( synti
+   PROPERTIES COMPILE_FLAGS "-fPIC -include ${PROJECT_BINARY_DIR}/all-pic.h"
+   )
+
diff --git a/muse_qt4_evolution/synti/libsynti/evdata.h b/muse_qt4_evolution/synti/libsynti/evdata.h
new file mode 100644
index 00000000..29f6441e
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/evdata.h
@@ -0,0 +1,66 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: evdata.h,v 1.1 2004/02/13 13:55:03 wschweer Exp $
+//
+//  (C) Copyright 1999-2003 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __EVDATA_H__
+#define __EVDATA_H__
+
+#include <memory.h>
+
+//---------------------------------------------------------
+//   EvData
+//    variable len event data (sysex, meta etc.)
+//---------------------------------------------------------
+
+class EvData {
+      int* refCount;
+
+   public:
+      unsigned char* data;
+      int dataLen;
+
+      EvData()  {
+            data     = 0;
+            dataLen  = 0;
+            refCount = new int(1);
+            }
+      EvData(const EvData& ed) {
+            data     = ed.data;
+            dataLen  = ed.dataLen;
+            refCount = ed.refCount;
+            (*refCount)++;
+            }
+
+      EvData& operator=(const EvData& ed) {
+            if (data == ed.data)
+                  return *this;
+            if (--(*refCount) == 0) {
+                  delete refCount;
+                  delete[] data;
+                  }
+            data     = ed.data;
+            dataLen  = ed.dataLen;
+            refCount = ed.refCount;
+            (*refCount)++;
+            return *this;
+            }
+
+      ~EvData() {
+            if (--(*refCount) == 0) {
+                  delete[] data;
+                  delete refCount;
+                  }
+            }
+      void setData(const unsigned char* p, int l) {
+            data = new unsigned char[l];
+            memcpy(data, p, l);
+            dataLen = l;
+            }
+      };
+
+#endif
+
diff --git a/muse_qt4_evolution/synti/libsynti/gui.cpp b/muse_qt4_evolution/synti/libsynti/gui.cpp
new file mode 100644
index 00000000..30fd177b
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/gui.cpp
@@ -0,0 +1,124 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    software synthesizer helper library
+//    $Id: gui.cpp,v 1.7 2005/05/11 14:18:48 wschweer Exp $
+//
+//  (C) Copyright 2004 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "gui.h"
+#include "muse/midi.h"
+
+#include <unistd.h>
+
+//---------------------------------------------------------
+//   MessGui
+//---------------------------------------------------------
+
+MessGui::MessGui()
+      {
+      //
+      // prepare for interprocess communication:
+      //
+      int filedes[2];         // 0 - reading   1 - writing
+      if (pipe(filedes) == -1) {
+            perror("thread:creating pipe4");
+            exit(-1);
+            }
+      readFd      = filedes[0];
+      writeFd     = filedes[1];
+      wFifoSize   = 0;
+      wFifoWindex = 0;
+      wFifoRindex = 0;
+      rFifoSize   = 0;
+      rFifoWindex = 0;
+      rFifoRindex = 0;
+      }
+
+//---------------------------------------------------------
+//   MessGui
+//---------------------------------------------------------
+
+MessGui::~MessGui()
+      {
+      }
+
+//---------------------------------------------------------
+//   readMessage
+//---------------------------------------------------------
+
+void MessGui::readMessage()
+      {
+      char c;
+      while (rFifoSize) {
+            ::read(readFd, &c, 1);
+            processEvent(rFifo[rFifoRindex]);
+            rFifoRindex = (rFifoRindex + 1) % EVENT_FIFO_SIZE;
+            --rFifoSize;
+            }
+      }
+
+//---------------------------------------------------------
+//   sendController
+//---------------------------------------------------------
+
+void MessGui::sendController(int ch, int idx, int val)
+      {
+      sendEvent(MidiEvent(0, ch, ME_CONTROLLER, idx, val));
+      }
+
+//---------------------------------------------------------
+//   sendSysex
+//---------------------------------------------------------
+
+void MessGui::sendSysex(unsigned char* p, int n)
+      {
+      sendEvent(MidiEvent(0, ME_SYSEX, p, n));
+      }
+
+//---------------------------------------------------------
+//   writeEvent
+//    send an event to synti gui
+//---------------------------------------------------------
+
+void MessGui::writeEvent(const MidiEvent& ev)
+      {
+      if (rFifoSize == EVENT_FIFO_SIZE) {
+            printf("event synti->gui  fifo overflow\n");
+            return;
+            }
+      rFifo[rFifoWindex] = ev;
+      rFifoWindex = (rFifoWindex + 1) % EVENT_FIFO_SIZE;
+      ++rFifoSize;
+      write(writeFd, "x", 1);  // wakeup GUI
+      }
+
+//---------------------------------------------------------
+//   sendEvent
+//---------------------------------------------------------
+
+void MessGui::sendEvent(const MidiEvent& ev)
+      {
+      if (wFifoSize == EVENT_FIFO_SIZE) {
+            printf("event gui->synti  fifo overflow\n");
+            return;
+            }
+      wFifo[wFifoWindex] = ev;
+      wFifoWindex = (wFifoWindex + 1) % EVENT_FIFO_SIZE;
+      ++wFifoSize;
+      }
+
+//---------------------------------------------------------
+//   readEvent
+//    read event from synti gui
+//---------------------------------------------------------
+
+MidiEvent MessGui::readEvent()
+      {
+      MidiEvent ev = wFifo[wFifoRindex];
+      wFifoRindex = (wFifoRindex + 1) % EVENT_FIFO_SIZE;
+      --wFifoSize;
+      return ev;
+      }
+
diff --git a/muse_qt4_evolution/synti/libsynti/gui.h b/muse_qt4_evolution/synti/libsynti/gui.h
new file mode 100644
index 00000000..27bebe3f
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/gui.h
@@ -0,0 +1,72 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    software synthesizer helper library
+//    $Id: gui.h,v 1.5 2005/05/11 14:18:48 wschweer Exp $
+//
+//  (C) Copyright 2004 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __SYNTH_GUI_H__
+#define __SYNTH_GUI_H__
+
+#include "midievent.h"
+
+const int EVENT_FIFO_SIZE = 256;
+class QWidget;
+
+//---------------------------------------------------------
+//   MessGui
+//    manage IO from synti-GUI to Host
+//---------------------------------------------------------
+
+class MessGui {
+      int writeFd;
+
+      // Event Fifo  synti -> GUI
+      MidiEvent rFifo[EVENT_FIFO_SIZE];
+      volatile int rFifoSize;
+      int rFifoWindex;
+      int rFifoRindex;
+
+      // Event Fifo  GUI -> synti
+      MidiEvent wFifo[EVENT_FIFO_SIZE];
+      volatile int wFifoSize;
+      int wFifoWindex;
+      int wFifoRindex;
+
+   protected:
+      int readFd;
+      void readMessage();
+      void sendEvent(const MidiEvent& ev);
+      void sendController(int ch, int idx, int val);
+      void sendSysex(unsigned char*, int);
+
+      virtual void processEvent(const MidiEvent&) {};
+
+   public:
+      MessGui();
+      virtual ~MessGui();
+
+      void writeEvent(const MidiEvent&);
+      int fifoSize() const { return wFifoSize; }
+      MidiEvent readEvent();
+      };
+
+//---------------------------------------------------------
+//   SynthGuiCtrl
+//---------------------------------------------------------
+
+struct SynthGuiCtrl  {
+      enum EditorType { SLIDER, SWITCH, COMBOBOX };
+      QWidget* editor;
+      QWidget* label;
+      EditorType type;
+
+      SynthGuiCtrl() {}
+      SynthGuiCtrl(QWidget* w, QWidget* l, const EditorType t)
+         : editor(w), label(l), type(t) {}
+      };
+
+#endif
+
diff --git a/muse_qt4_evolution/synti/libsynti/mess.cpp b/muse_qt4_evolution/synti/libsynti/mess.cpp
new file mode 100644
index 00000000..49f030f8
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/mess.cpp
@@ -0,0 +1,123 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    $Id: mess.cpp,v 1.3 2005/05/11 14:18:48 wschweer Exp $
+//  (C) Copyright 2004 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "mess.h"
+#include "muse/midi.h"
+
+static const int FIFO_SIZE = 32;
+
+//---------------------------------------------------------
+//   MessP
+//    private data for class Mess
+//---------------------------------------------------------
+
+struct MessP {
+      // Event Fifo  synti -> Host:
+      MidiEvent fifo[FIFO_SIZE];
+      volatile int fifoSize;
+      int fifoWindex;
+      int fifoRindex;
+      };
+
+//---------------------------------------------------------
+//   Mess
+//---------------------------------------------------------
+
+Mess::Mess(int n)
+      {
+      _channels     = n;
+      _sampleRate   = 44100;
+      d             = new MessP;
+      d->fifoSize   = 0;
+      d->fifoWindex = 0;
+      d->fifoRindex = 0;
+      }
+
+//---------------------------------------------------------
+//   Mess
+//---------------------------------------------------------
+
+Mess::~Mess()
+      {
+      delete d;
+      }
+
+//---------------------------------------------------------
+//   getGeometry
+//    dummy
+//---------------------------------------------------------
+
+void Mess::getGeometry(int* x, int* y, int* w, int* h) const
+      {
+      x = 0;
+      y = 0;
+      w = 0;
+      h = 0;
+      }
+
+//---------------------------------------------------------
+//   sendEvent
+//    send Event synti -> host
+//---------------------------------------------------------
+
+void Mess::sendEvent(MidiEvent ev)
+      {
+      if (d->fifoSize == FIFO_SIZE) {
+            printf("event synti->host  fifo overflow\n");
+            return;
+            }
+      d->fifo[d->fifoWindex] = ev;
+      d->fifoWindex = (d->fifoWindex + 1) % FIFO_SIZE;
+      ++(d->fifoSize);
+      }
+
+//---------------------------------------------------------
+//   receiveEvent
+//    called from host
+//---------------------------------------------------------
+
+MidiEvent Mess::receiveEvent()
+      {
+      MidiEvent ev = d->fifo[d->fifoRindex];
+      d->fifoRindex = (d->fifoRindex + 1) % FIFO_SIZE;
+      --(d->fifoSize);
+      return ev;
+      }
+
+//---------------------------------------------------------
+//   eventsPending
+//    called from host:
+//       while (eventsPending()) {
+//             receiveEvent();
+//             ...
+//---------------------------------------------------------
+
+int Mess::eventsPending() const
+      {
+      return d->fifoSize;
+      }
+
+//---------------------------------------------------------
+//   processEvent
+//    return true if synti is busy
+//---------------------------------------------------------
+
+bool Mess::processEvent(const MidiEvent& ev)
+      {
+      switch(ev.type()) {
+            case ME_NOTEON:
+                  return playNote(ev.channel(), ev.dataA(), ev.dataB());
+            case ME_NOTEOFF:
+                  return playNote(ev.channel(), ev.dataA(), 0);
+            case ME_SYSEX:
+	            return sysex(ev.len(), ev.data());
+            case ME_CONTROLLER:
+                  return setController(ev.channel(), ev.dataA(), ev.dataB());
+            }
+      return false;
+      }
+
diff --git a/muse_qt4_evolution/synti/libsynti/mess.h b/muse_qt4_evolution/synti/libsynti/mess.h
new file mode 100644
index 00000000..c407d17e
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/mess.h
@@ -0,0 +1,105 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    $Id: mess.h,v 1.6 2005/05/11 14:18:48 wschweer Exp $
+//  (C) Copyright 2001-2004 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __MESS_H__
+#define __MESS_H__
+
+#define MESS_MAJOR_VERSION 3
+#define MESS_MINOR_VERSION 1
+
+#include "midievent.h"
+
+class QWidget;
+class MessP;
+
+//---------------------------------------------------------
+//   MidiPatch
+//---------------------------------------------------------
+
+#define MP_TYPE_GM 1
+#define MP_TYPE_GS 2
+#define MP_TYPE_XG 4
+#define MP_TYPE_LBANK 8
+#define MP_TYPE_HBANK 16
+
+struct MidiPatch {
+      signed char typ;    // 1 - GM  2 - GS  4 - XG  8 - LBANK  16 - HBANK
+      signed char hbank, lbank, prog;
+      const char* name;
+      };
+
+//---------------------------------------------------------
+//  Mess
+//    MusE experimental software synth
+//    Instance virtual interface class
+//---------------------------------------------------------
+
+class Mess {
+      MessP* d;
+
+      int _sampleRate;
+      int _channels;                // 1 - mono,  2 - stereo
+
+   public:
+      Mess(int channels);
+      virtual ~Mess();
+
+      int channels() const       { return _channels;   }
+      int sampleRate() const     { return _sampleRate; }
+      void setSampleRate(int r)  { _sampleRate = r;    }
+
+      virtual void process(float** data, int offset, int len) = 0;
+
+      // The synti has to (re-)implement processEvent() or provide
+      // the playNote()/setControll()/sysex() functions.
+      // The even routines return true if synti is busy and the
+      // event must be send again.
+
+      virtual bool processEvent(const MidiEvent&);
+      virtual bool setController(int, int, int) { return false; }
+      virtual bool playNote(int, int, int) { return false; }
+	virtual bool sysex(int, const unsigned char*) { return false; }
+
+      virtual void getInitData(int*, const unsigned char**) {}
+      virtual int getControllerInfo(int, const char**, int*, int*, int*) {return 0;}
+      virtual const char* getPatchName(int, int, int) const { return "?"; }
+      virtual const MidiPatch* getPatchInfo(int, const MidiPatch*) const { return 0; }
+
+      // synthesizer -> host communication
+      void sendEvent(MidiEvent);  // called from synti
+      MidiEvent receiveEvent();   // called from host
+      int eventsPending() const;
+
+      // GUI interface routines
+      virtual bool hasGui() const { return false; }
+      virtual bool guiVisible() const { return false; }
+      virtual void showGui(bool) {}
+      virtual void getGeometry(int* x, int* y, int* w, int* h) const;
+      virtual void setGeometry(int, int, int, int) {}
+      };
+
+//---------------------------------------------------------
+//   MESS
+//    Class descriptor
+//---------------------------------------------------------
+
+struct MESS {
+      const char* name;
+      const char* description;
+      const char* version;
+      int majorMessVersion, minorMessVersion;
+         // QWidget* parent allows for a threaded GUI using the Qt Library
+         // can be ignored by synti
+      Mess* (*instantiate)(int sr, const char* name);
+      };
+
+extern "C" {
+      const MESS* mess_descriptor();
+      }
+
+#endif
+
diff --git a/muse_qt4_evolution/synti/libsynti/mess2.cpp b/muse_qt4_evolution/synti/libsynti/mess2.cpp
new file mode 100644
index 00000000..588edac9
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/mess2.cpp
@@ -0,0 +1,128 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    $Id:$
+//  (C) Copyright 2007 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "mess2.h"
+
+QList<SynthCtrl*> Mess2::ctrl;
+
+//---------------------------------------------------------
+//   Mess2
+//---------------------------------------------------------
+
+Mess2::Mess2(int channels)
+   : Mess(channels)
+      {
+      initData = 0;
+      }
+
+//---------------------------------------------------------
+//   Mess2
+//---------------------------------------------------------
+
+Mess2::~Mess2()
+      {
+      if (initData)
+            delete[] initData;
+      }
+
+//---------------------------------------------------------
+//   addController
+//---------------------------------------------------------
+
+void Mess2::addController(const char* name, int id, int min, int max, int init)
+      {
+      SynthCtrl* c = new SynthCtrl(name, id, min, max, init);
+      ctrl.append(c);
+      }
+
+//---------------------------------------------------------
+//   controllerIdx
+//---------------------------------------------------------
+
+int Mess2::controllerIdx(const char* name)
+      {
+      for (int i = 0; i < ctrl.size(); ++i) {
+            if (strcmp(ctrl[i]->name, name) == 0)
+                  return i;
+            }
+      return -1;
+      }
+
+//---------------------------------------------------------
+//   controllerIdx
+//---------------------------------------------------------
+
+int Mess2::controllerIdx(int ctrlId)
+      {
+      for (int i = 0; i < ctrl.size(); ++i) {
+            if (ctrl[i]->ctrl == ctrlId)
+                  return i;
+            }
+      return -1;
+      }
+
+//---------------------------------------------------------
+//   controllerId
+//---------------------------------------------------------
+
+int Mess2::controllerId(int idx)
+      {
+      if (idx < 0 || idx >= ctrl.size()) {
+            printf("controllId::illegal controller index %d\n", idx);
+            return -1;
+            }
+      return ctrl[idx]->ctrl;
+      }
+
+//---------------------------------------------------------
+//   controllerName
+//---------------------------------------------------------
+
+const char* Mess2::controllerName(int idx)
+      {
+      if (idx < 0 || idx >= ctrl.size()) {
+            printf("controllerName::illegal controller index %d\n", idx);
+            return "?";
+            }
+      return ctrl[idx]->name;
+      }
+
+//---------------------------------------------------------
+//   getInitData
+//---------------------------------------------------------
+
+void Mess2::getInitData(int* bytes, const unsigned char** data)
+      {
+      if (initData)
+            delete[] initData;
+      int n    = ctrl.size() * sizeof(int);
+      initData = new unsigned char[n];
+      int* p = (int*)initData;
+      foreach(SynthCtrl* c, ctrl) {
+            *p++ = c->val;
+            }
+      *data  = initData;
+      *bytes = n;
+      }
+
+//---------------------------------------------------------
+//   getControllerInfo
+//---------------------------------------------------------
+
+int Mess2::getControllerInfo(int idx, const char** name, int* id, int* min, int* max)
+      {
+      if (idx < 0 || idx >= ctrl.size())
+            return 0;
+      *name = ctrl[idx]->name;
+      *id   = ctrl[idx]->ctrl;
+      *min  = ctrl[idx]->min;
+      *max  = ctrl[idx]->max;
+      ++idx;
+      return (idx >= ctrl.size()) ? 0 : idx;
+      }
+
+
diff --git a/muse_qt4_evolution/synti/libsynti/mess2.h b/muse_qt4_evolution/synti/libsynti/mess2.h
new file mode 100644
index 00000000..207eb6c3
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/mess2.h
@@ -0,0 +1,57 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    $Id:$
+//  (C) Copyright 2007 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __MESS2_H__
+#define __MESS2_H__
+
+#include "mess.h"
+
+//---------------------------------------------------------
+//   SynthCtlr
+//---------------------------------------------------------
+
+struct SynthCtrl {
+      const char* name;
+      int ctrl;
+      int min;
+      int max;
+      int init;
+      int val;
+      SynthCtrl(const char* n, int i, int a, int b, int c)
+         : name(n), ctrl(i), min(a), max(b), init(c)
+            {}
+      };
+
+//---------------------------------------------------------
+//  Mess2
+//    MusE experimental software synth
+//    extended interface
+//---------------------------------------------------------
+
+class Mess2 : public Mess {
+      unsigned char* initData;
+
+      void getInitData(int*, const unsigned char**);
+      int getControllerInfo(int, const char**, int*, int*, int*);
+
+   protected:
+      static QList<SynthCtrl*> ctrl;
+
+      static void addController(const char* name,
+         int ctrl, int min = 0, int max = 16384, int init = 0);
+      static int controllerIdx(const char* name);
+      static int controllerId(int idx);
+      static int controllerIdx(int id);
+      static const char* controllerName(int idx);
+
+   public:
+      Mess2(int channels);
+      virtual ~Mess2();
+      };
+
+#endif
+
diff --git a/muse_qt4_evolution/synti/libsynti/midievent.cpp b/muse_qt4_evolution/synti/libsynti/midievent.cpp
new file mode 100644
index 00000000..7c1e14fd
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/midievent.cpp
@@ -0,0 +1,21 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: mpevent.cpp,v 1.3 2005/05/11 14:18:48 wschweer Exp $
+//
+//  (C) Copyright 2002-2004 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "midievent.h"
+
+//---------------------------------------------------------
+//   MidiEvent
+//---------------------------------------------------------
+
+MidiEvent::MidiEvent(unsigned t, int tpe, const unsigned char* data, int len)
+      {
+      _time = t;
+      edata.setData(data, len);
+      _type = tpe;
+      }
+
diff --git a/muse_qt4_evolution/synti/libsynti/midievent.h b/muse_qt4_evolution/synti/libsynti/midievent.h
new file mode 100644
index 00000000..a435d257
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/midievent.h
@@ -0,0 +1,55 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: mpevent.h,v 1.3 2005/05/11 14:18:48 wschweer Exp $
+//
+//  (C) Copyright 1999-2002 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __MIDIEVENT_H__
+#define __MIDIEVENT_H__
+
+#include "evdata.h"
+
+//---------------------------------------------------------
+//   MidiEvent
+//---------------------------------------------------------
+
+class MidiEvent {
+      unsigned _time;
+      EvData edata;
+      unsigned char _channel, _type;
+      int _a, _b;
+
+   public:
+      MidiEvent() {}
+      MidiEvent(unsigned tm, int c, int t, int a, int b)
+        : _time(tm), _channel(c & 0xf), _type(t), _a(a), _b(b) {}
+      MidiEvent(unsigned t, int type, const unsigned char* data, int len);
+      MidiEvent(unsigned t, int tpe, EvData d) : _time(t), edata(d), _type(tpe) {}
+
+      ~MidiEvent()         {}
+
+      int channel() const      { return _channel; }
+      int type()    const      { return _type;    }
+      int dataA()   const      { return _a;       }
+      int dataB()   const      { return _b;       }
+      unsigned time() const    { return _time;    }
+
+      void setChannel(int val) { _channel = val;  }
+      void setType(int val)    { _type = val;     }
+      void setA(int val)       { _a = val;        }
+      void setB(int val)       { _b = val;        }
+      void setTime(unsigned val) { _time = val;     }
+
+      const EvData& eventData() const { return edata; }
+      unsigned char* data() const     { return edata.data; }
+      int len() const                 { return edata.dataLen; }
+      void setData(const EvData& e)   { edata = e; }
+      void setData(const unsigned char* p, int len) { edata.setData(p, len); }
+      bool isNote() const      { return _type == 0x90; }
+      bool isNoteOff() const   { return (_type == 0x80)||(_type == 0x90 && _b == 0); }
+      };
+
+#endif
+
diff --git a/muse_qt4_evolution/synti/libsynti/mono.cpp b/muse_qt4_evolution/synti/libsynti/mono.cpp
new file mode 100644
index 00000000..14a23aca
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/mono.cpp
@@ -0,0 +1,47 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    software synthesizer helper library
+//    $Id: mono.cpp,v 1.2 2004/04/15 13:46:18 wschweer Exp $
+//
+//  (C) Copyright 2004 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "mono.h"
+
+//---------------------------------------------------------
+//   playNote
+//---------------------------------------------------------
+
+bool MessMono::playNote(int channel, int pitch, int velo)
+      {
+      if (velo == 0) {
+            if (pitchStack.empty())
+                  return false;
+            if (pitchStack.back().pitch == pitch) {
+                  pitchStack.pop_back();
+                  if (pitchStack.empty()) {
+                        note(channel, pitch, 0);
+                        return false;
+                        }
+                  PitchVelo pv = pitchStack.back();
+                  note(pv.channel, pv.pitch, pv.velo);  // change pitch
+                  return false;
+                  }
+            for (std::list<PitchVelo>::iterator i = pitchStack.begin();
+               i != pitchStack.end(); ++i) {
+                  if ((*i).pitch == pitch) {
+                        pitchStack.erase(i);
+                        return false;
+                        }
+                  }
+            // no noteon found
+            // emergency stop:
+            note(channel, pitch, velo);
+            return false;
+            }
+      pitchStack.push_back(PitchVelo(channel, pitch, velo));
+      note(channel, pitch, velo);
+      return false;
+      }
+
diff --git a/muse_qt4_evolution/synti/libsynti/mono.h b/muse_qt4_evolution/synti/libsynti/mono.h
new file mode 100644
index 00000000..f2f8bdf7
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/mono.h
@@ -0,0 +1,47 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    software synthesizer helper library
+//    $Id: mono.h,v 1.4 2004/04/15 13:46:18 wschweer Exp $
+//
+//  (C) Copyright 2004 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __SYNTH_MONO_H__
+#define __SYNTH_MONO_H
+
+#include <list>
+#include "mess.h"
+
+//---------------------------------------------------------
+//   PitchVelo
+//---------------------------------------------------------
+
+struct PitchVelo {
+      signed char channel;
+      signed char pitch;
+      signed char velo;
+      PitchVelo(signed char a, signed char b, signed char c)
+         : channel(a), pitch(b), velo(c) {}
+      };
+
+//---------------------------------------------------------
+//   MessMono
+//    implements some functions for monophone
+//    synthesizer
+//---------------------------------------------------------
+
+class MessMono : public Mess {
+      std::list<PitchVelo> pitchStack;
+
+   protected:
+      virtual bool playNote(int channel, int pitch, int velo);
+      virtual void note(int channel, int pitch, int velo) = 0;
+
+   public:
+      MessMono() : Mess(1) {}
+      virtual ~MessMono() {}
+      };
+
+#endif
+
diff --git a/muse_qt4_evolution/synti/libsynti/poly.cpp b/muse_qt4_evolution/synti/libsynti/poly.cpp
new file mode 100644
index 00000000..e76fe966
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/poly.cpp
@@ -0,0 +1,35 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    software synthesizer helper library
+//    $Id: poly.cpp,v 1.3 2004/06/01 14:25:50 wschweer Exp $
+//
+//  (C) Copyright 2004 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "poly.h"
+#include "muse/midictrl.h"
+
+//---------------------------------------------------------
+//   playNote
+//---------------------------------------------------------
+
+bool MessPoly::playNote(int /*channel*/, int /*pitch*/, int /*velo*/)
+      {
+      return false;
+      }
+
+//---------------------------------------------------------
+//   setController
+//---------------------------------------------------------
+
+bool MessPoly::setController(int /*channel*/, int num, int /*val*/)
+      {
+      switch(num) {
+            case CTRL_VOLUME:
+            case CTRL_EXPRESSION:
+                  break;
+            }
+      return false;
+      }
+
diff --git a/muse_qt4_evolution/synti/libsynti/poly.h b/muse_qt4_evolution/synti/libsynti/poly.h
new file mode 100644
index 00000000..b990b198
--- /dev/null
+++ b/muse_qt4_evolution/synti/libsynti/poly.h
@@ -0,0 +1,39 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    software synthesizer helper library
+//    $Id: poly.h,v 1.2 2004/04/15 13:46:18 wschweer Exp $
+//
+//  (C) Copyright 2004 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __SYNTH_POLY_H__
+#define __SYNTH_POLY_H
+
+#include <list>
+#include "mess.h"
+
+//---------------------------------------------------------
+//   MessPoly
+//    implements some functions for monophone
+//    synthesizer
+//---------------------------------------------------------
+
+class MessPoly : public Mess {
+      float volume;
+      float expression;
+
+      // cached values:
+      float mainLevel;
+
+   protected:
+      virtual bool playNote(int channel, int pitch, int velo);
+      virtual bool setController(int, int, int);
+
+   public:
+      MessPoly() : Mess(1) {}
+      virtual ~MessPoly() {}
+      };
+
+#endif
+