new branch muse2, first checkin

1 files changed, 130 insertions, 0 deletions

diff --git a/muse2/muse/mtc.cpp b/muse2/muse/mtc.cpp
new file mode 100644
index 00000000..647d6359
--- /dev/null
+++ b/muse2/muse/mtc.cpp
@@ -0,0 +1,130 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: mtc.cpp,v 1.1.1.1 2003/10/27 18:51:48 wschweer Exp $
+//
+//  (C) Copyright 2001 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "mtc.h"
+#include <stdio.h>
+
+extern int mtcType;
+
+//---------------------------------------------------------
+//   MTC::time
+//    converts MTC Time to seconds according to
+//    global mtcType
+//---------------------------------------------------------
+
+double MTC::time(int type) const
+      {
+      double time = _h * 3600 + _m * 60 + _s;
+      double ft = 0.0;
+      if(type == -1)
+        type = mtcType;
+      switch (type) {
+            case 0:     // 24 frames sec
+                  ft = 1.0/24.0;
+                  break;
+            case 1:     // 25
+                  ft = 0.04;
+                  break;
+            case 2:     // 30 drop frame        TODO
+            case 3:     // 30 non drop frame
+            default:
+                  ft = 1.0/30.0;
+                  break;
+            }
+      return time + ft *_f + 0.01 * ft * _sf;
+      }
+
+//---------------------------------------------------------
+//   MTC
+//---------------------------------------------------------
+
+MTC::MTC(double t, int type)
+      {
+      _h  = int(t/3600);
+      t -= _h * 3600;
+      _m  = int(t/60);
+      t -= _m * 60;
+      _s  = int(t);
+      t -= _s;
+      double ft = 1.0/24.0;
+      if(type == -1)
+        type = mtcType;
+      switch (type) {
+            case 0:     // 24 frames sec
+                  ft = 1.0/24.0;
+                  break;
+            case 1:     // 25
+                  ft = 0.04;
+                  break;
+            case 2:     // 30 drop frame
+            case 3:     // 30 non drop frame
+            default:
+                  ft = 1.0/30.0;
+                  break;
+            }
+      double frames = t / ft;
+      _f  = int(frames);
+      frames -= _f;
+      _sf = int(frames * 100);
+      }
+
+//---------------------------------------------------------
+//   incQuarter
+//    increment MTC time one quarter frame time
+//---------------------------------------------------------
+
+void MTC::incQuarter(int type)
+      {
+      int frames = 24;
+      if(type == -1)
+        type = mtcType;
+      switch (type) {
+            case 0:
+                  frames = 24;
+                  break;
+            case 1:
+                  frames = 25;
+                  break;
+            case 2:
+            case 3:
+            default:
+                  frames = 30;
+                  break;
+            }
+      _sf += 25;
+      if (_sf >= 100) {
+            ++_f;
+            _sf -= 100;
+            }
+      if (_f == frames) {
+            ++_s;
+            _f = 0;
+            }
+      if (_s == 60) {
+            ++_m;
+            _s = 0;
+            }
+      if (_m == 60) {
+            ++_h;
+            _m = 0;
+            }
+      if (_h == 24) {
+            _h = 0;
+            }
+      }
+
+//---------------------------------------------------------
+//   print
+//---------------------------------------------------------
+
+void MTC::print() const
+      {
+      printf("%02d:%02d:%02d:%02d:%02d", _h, _m, _s, _f, _sf);
+      }
+
+