1 files changed, 122 insertions, 0 deletions
diff --git a/muse2/synti/libsynti/mess.cpp b/muse2/synti/libsynti/mess.cpp
new file mode 100644
index 00000000..639ffee6
--- /dev/null
+++ b/muse2/synti/libsynti/mess.cpp
@@ -0,0 +1,122 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    $Id: mess.cpp,v 1.2 2004/04/15 13:46:18 wschweer Exp $
+//  (C) Copyright 2004 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "mess.h"
+#include "muse/midi.h"
+
+static const int FIFO_SIZE = 32;
+
+//---------------------------------------------------------
+//   MessP
+//---------------------------------------------------------
+
+struct MessP {
+      // Event Fifo  synti -> Host:
+      MidiPlayEvent 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(MidiPlayEvent 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
+//---------------------------------------------------------
+
+MidiPlayEvent Mess::receiveEvent()
+      {
+      MidiPlayEvent 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 MidiPlayEvent& 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;
+      }
+