clean3

1 files changed, 393 insertions, 0 deletions

diff --git a/attic/muse_qt4_evolution/al/tempo.cpp b/attic/muse_qt4_evolution/al/tempo.cpp
new file mode 100644
index 00000000..7d65c732
--- /dev/null
+++ b/attic/muse_qt4_evolution/al/tempo.cpp
@@ -0,0 +1,393 @@
+//=============================================================================
+//  AL
+//  Audio Utility Library
+//  $Id:$
+//
+//  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 "al.h"
+#include "tempo.h"
+#include "xml.h"
+
+namespace AL {
+
+TempoList tempomap;
+
+//---------------------------------------------------------
+//   TempoList
+//---------------------------------------------------------
+
+TempoList::TempoList()
+      {
+      _tempo   = 500000;
+      insert(std::pair<const unsigned, TEvent*> (MAX_TICK+1, new TEvent(_tempo, 0)));
+      _tempoSN     = 1;
+      _globalTempo = 100;
+      useList      = true;
+      }
+
+//---------------------------------------------------------
+//   add
+//---------------------------------------------------------
+
+void TempoList::add(unsigned tick, int tempo)
+      {
+      if (tick > MAX_TICK)
+            tick = MAX_TICK;
+
+      iTEvent e = upper_bound(tick);
+
+      if (tick == e->second->tick)
+            e->second->tempo = tempo;
+      else {
+            TEvent* ne = e->second;
+            TEvent* ev = new TEvent(ne->tempo, ne->tick);
+            ne->tempo  = tempo;
+            ne->tick   = tick;
+            insert(std::pair<const unsigned, TEvent*> (tick, ev));
+            }
+      normalize();
+      }
+
+//---------------------------------------------------------
+//   TempoList::normalize
+//---------------------------------------------------------
+
+void TempoList::normalize()
+      {
+      int frame = 0;
+      for (iTEvent e = begin(); e != end(); ++e) {
+            e->second->frame = frame;
+            unsigned dtick = e->first - e->second->tick;
+            double dtime = double(dtick) / (division * _globalTempo * 10000.0/e->second->tempo);
+            frame += lrint(dtime * sampleRate);
+            }
+      }
+
+//---------------------------------------------------------
+//   TempoList::dump
+//---------------------------------------------------------
+
+void TempoList::dump() const
+      {
+      printf("\nTempoList:\n");
+      for (ciTEvent i = begin(); i != end(); ++i) {
+            printf("%6d %06d Tempo %6d Frame %d\n",
+               i->first, i->second->tick, i->second->tempo,
+               i->second->frame);
+            }
+      }
+
+//---------------------------------------------------------
+//   clear
+//---------------------------------------------------------
+
+void TempoList::clear()
+      {
+      for (iTEvent i = begin(); i != end(); ++i)
+            delete i->second;
+      TEMPOLIST::clear();
+      insert(std::pair<const unsigned, TEvent*> (MAX_TICK+1, new TEvent(500000, 0)));
+      ++_tempoSN;
+      }
+
+//---------------------------------------------------------
+//   tempo
+//---------------------------------------------------------
+
+int TempoList::tempo(unsigned tick) const
+      {
+      if (useList) {
+            ciTEvent i = upper_bound(tick);
+            if (i == end()) {
+                  printf("no TEMPO at tick %d,0x%x\n", tick, tick);
+                  return 1000;
+                  }
+            return i->second->tempo;
+            }
+      else
+            return _tempo;
+      }
+
+//---------------------------------------------------------
+//   del
+//---------------------------------------------------------
+
+void TempoList::del(unsigned tick)
+      {
+// printf("TempoList::del(%d)\n", tick);
+      iTEvent e = find(tick);
+      if (e == end()) {
+            printf("TempoList::del(%d): not found\n", tick);
+            return;
+            }
+      del(e);
+      ++_tempoSN;
+      }
+
+void TempoList::del(iTEvent e)
+      {
+      iTEvent ne = e;
+      ++ne;
+      if (ne == end()) {
+            printf("TempoList::del(): not found\n");
+            return;
+            }
+      ne->second->tempo = e->second->tempo;
+      ne->second->tick  = e->second->tick;
+      erase(e);
+      normalize();
+      ++_tempoSN;
+      }
+
+//---------------------------------------------------------
+//   change
+//---------------------------------------------------------
+
+void TempoList::change(unsigned tick, int newTempo)
+      {
+      iTEvent e = find(tick);
+      e->second->tempo = newTempo;
+      normalize();
+      ++_tempoSN;
+      }
+
+//---------------------------------------------------------
+//   setTempo
+//    called from transport window
+//    & slave mode tempo changes
+//---------------------------------------------------------
+
+void TempoList::setTempo(unsigned tick, int newTempo)
+      {
+      if (useList)
+            add(tick, newTempo);
+      else
+            _tempo = newTempo;
+      ++_tempoSN;
+      }
+
+//---------------------------------------------------------
+//   setGlobalTempo
+//---------------------------------------------------------
+
+void TempoList::setGlobalTempo(int val)
+      {
+      _globalTempo = val;
+      ++_tempoSN;
+      normalize();
+      }
+
+//---------------------------------------------------------
+//   addTempo
+//---------------------------------------------------------
+
+void TempoList::addTempo(unsigned t, int tempo)
+      {
+      add(t, tempo);
+      ++_tempoSN;
+      }
+
+//---------------------------------------------------------
+//   delTempo
+//---------------------------------------------------------
+
+void TempoList::delTempo(unsigned tick)
+      {
+      del(tick);
+      ++_tempoSN;
+      }
+
+//---------------------------------------------------------
+//   changeTempo
+//---------------------------------------------------------
+
+void TempoList::changeTempo(unsigned tick, int newTempo)
+      {
+      change(tick, newTempo);
+      ++_tempoSN;
+      }
+
+//---------------------------------------------------------
+//   setMasterFlag
+//---------------------------------------------------------
+
+bool TempoList::setMasterFlag(unsigned /*tick*/, bool val)
+      {
+      if (useList != val) {
+            useList = val;
+            ++_tempoSN;
+            return true;
+            }
+      return false;
+      }
+
+//---------------------------------------------------------
+//   tick2frame
+//---------------------------------------------------------
+
+unsigned TempoList::tick2frame(unsigned tick, unsigned frame, int* sn) const
+      {
+      return (*sn == _tempoSN) ? frame : tick2frame(tick, sn);
+      }
+
+//---------------------------------------------------------
+//   tick2frame
+//---------------------------------------------------------
+
+unsigned TempoList::tick2frame(unsigned tick, int* sn) const
+      {
+      int f;
+      if (useList) {
+            ciTEvent i = upper_bound(tick);
+            if (i == end()) {
+                  printf("tick2frame(%d,0x%x): not found\n", tick, tick);
+                  abort();  // debug
+                  return 0;
+                  }
+            unsigned dtick = tick - i->second->tick;
+            double dtime   = double(dtick) / (division * _globalTempo * 10000.0/ i->second->tempo);
+            unsigned dframe   = lrint(dtime * sampleRate);
+            f = i->second->frame + dframe;
+            }
+      else {
+            double t = (double(tick) * double(_tempo)) / (double(division) * _globalTempo * 10000.0);
+            f = lrint(t * sampleRate);
+            }
+      if (sn)
+            *sn = _tempoSN;
+      return f;
+      }
+
+//---------------------------------------------------------
+//   frame2tick
+//    return cached value t if list did not change
+//---------------------------------------------------------
+
+unsigned TempoList::frame2tick(unsigned frame, unsigned t, int* sn) const
+      {
+      return (*sn == _tempoSN) ? t : frame2tick(frame, sn);
+      }
+
+//---------------------------------------------------------
+//   frame2tick
+//---------------------------------------------------------
+
+unsigned TempoList::frame2tick(unsigned frame, int* sn) const
+      {
+      unsigned tick;
+      if (useList) {
+            ciTEvent e;
+            for (e = begin(); e != end();) {
+                  ciTEvent ee = e;
+                  ++ee;
+                  if (ee == end())
+                        break;
+                  if (frame < ee->second->frame)
+                        break;
+                  e = ee;
+                  }
+            unsigned te  = e->second->tempo;
+            int dframe   = frame - e->second->frame;
+            double dtime = double(dframe) / double(sampleRate);
+            tick         = e->second->tick + lrint(dtime * _globalTempo * division * 10000.0 / te);
+            }
+      else
+            tick = lrint((double(frame)/double(sampleRate)) * _globalTempo * division * 10000.0 / double(_tempo));
+      if (sn)
+            *sn = _tempoSN;
+      return tick;
+      }
+
+//---------------------------------------------------------
+//   TempoList::write
+//---------------------------------------------------------
+
+void TempoList::write(Xml& xml) const
+      {
+      xml.stag(QString("tempolist fix=\"%1\"").arg(_tempo));
+      if (_globalTempo != 100)
+            xml.tag("globalTempo", _globalTempo);
+      for (ciTEvent i = begin(); i != end(); ++i)
+            i->second->write(xml, i->first);
+      xml.etag("tempolist");
+      }
+
+//---------------------------------------------------------
+//   TempoList::read
+//---------------------------------------------------------
+
+void TempoList::read(QDomNode node)
+      {
+      QDomElement e = node.toElement();
+      _tempo = e.attribute("fix","500000").toInt();
+
+      node = node.firstChild();
+      while (!node.isNull()) {
+            e = node.toElement();
+            if (e.tagName() == "tempo") {
+                  TEvent* t = new TEvent();
+                  unsigned tick = t->read(node);
+                  iTEvent pos = find(tick);
+                  if (pos != end())
+                        erase(pos);
+                  insert(std::pair<const int, TEvent*> (tick, t));
+                  }
+            else if (e.tagName() == "globalTempo")
+                  _globalTempo = e.text().toInt();
+            else
+                  printf("MusE:Tempolist: unknown tag %s\n", e.tagName().toLatin1().data());
+            node = node.nextSibling();
+            }
+      normalize();
+      ++_tempoSN;
+      }
+
+//---------------------------------------------------------
+//   TEvent::write
+//---------------------------------------------------------
+
+void TEvent::write(Xml& xml, int at) const
+      {
+      xml.stag(QString("tempo at=\"%1\"").arg(at));
+      xml.tag("tick", tick);
+      xml.tag("val", tempo);
+      xml.etag("tempo");
+      }
+
+//---------------------------------------------------------
+//   TEvent::read
+//---------------------------------------------------------
+
+int TEvent::read(QDomNode node)
+      {
+      QDomElement e = node.toElement();
+      int at = e.attribute("at","0").toInt();
+
+      node = node.firstChild();
+      while (!node.isNull()) {
+            e = node.toElement();
+            if (e.tagName() == "tick")
+                  tick = e.text().toInt();
+            else if (e.tagName() == "val")
+                  tempo = e.text().toInt();
+            else
+                  printf("MusE:TEvent: unknown tag %s\n", e.tagName().toLatin1().data());
+            node = node.nextSibling();
+            }
+      return at;
+      }
+}