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[fmit.git] / libs / Music / LatencyMonoQuantizer.h
diff --git a/libs/Music/LatencyMonoQuantizer.h b/libs/Music/LatencyMonoQuantizer.h
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+// Copyright 2005 "Gilles Degottex"
+
+// This file is part of "Music"
+
+// "Music" is free software; you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// "Music" 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser 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
+
+
+#ifndef _LATENCYMONOQUANTIZER_H_
+#define _LATENCYMONOQUANTIZER_H_
+
+#include <deque>
+using namespace std;
+#include <qobject.h>
+#include <qdatetime.h>
+#include <Music/Music.h>
+using namespace Music;
+#include "MonoQuantizer.h"
+
+class LatencyMonoQuantizer : public MonoQuantizer
+{
+       QTime m_time;
+
+       //! in millis
+       float m_latency;
+
+       struct State{
+               double m_time;
+               double m_freq;
+               double m_confidence;
+               State(double t, double f, double c=1.0) : m_time(t), m_freq(f), m_confidence(c) {}
+       };
+       deque<State> m_states;
+
+       struct Note{
+               int m_dens;
+               double m_avg_freq;
+               Note(double f) : m_dens(1), m_avg_freq(f) {}
+       };
+
+       QTime m_duration;
+
+  public:
+       LatencyMonoQuantizer();
+
+       void setLatency(float latency)                                  {m_latency=latency;}
+       double getLatency()                                                             {return m_latency;}
+
+       virtual void quantize(double freq);
+       virtual void reset();
+
+       virtual ~LatencyMonoQuantizer(){}
+};
+
+#endif // _LATENCYMONOQUANTIZER_H_