Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/Accumulator.h
Go to the documentation of this file.
00001 /*
00002 ** Copyright (C) 1998-2006 George Tzanetakis <gtzan@cs.uvic.ca>
00003 **
00004 ** This program is free software; you can redistribute it and/or modify
00005 ** it under the terms of the GNU General Public License as published by
00006 ** the Free Software Foundation; either version 2 of the License, or
00007 ** (at your option) any later version.
00008 **
00009 ** This program is distributed in the hope that it will be useful,
00010 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 ** MERCHANTABILITY or FITNAESS FOR A PARTICULAR PURPOSE.  See the
00012 ** GNU General Public License for more details.
00013 **
00014 ** You should have received a copy of the GNU General Public License
00015 ** along with this program; if not, write to the Free Software
00016 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 */
00018 
00019 #ifndef MARSYAS_ACCUMULATOR_H
00020 #define MARSYAS_ACCUMULATOR_H
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 
00024 namespace Marsyas
00025 {
00026 
00115 class Accumulator: public MarSystem
00116 {
00117 private:
00118   MarControlPtr ctrl_nTimes_;
00119   MarControlPtr ctrl_maxTimes_;
00120   MarControlPtr ctrl_minTimes_;
00121   MarControlPtr ctrl_timesToKeep_;
00122 
00123   MarControlPtr ctrl_flush_;
00124   MarControlPtr ctrl_mode_;
00125 
00126   mrs_natural nTimes_;
00127 
00128   mrs_natural childOnSamples_;
00129   mrs_natural keptOnSamples_;
00130 
00131   realvec childOut_;
00132   realvec tout_;
00133 
00134   void addControls();
00135   void myUpdate(MarControlPtr sender);
00136 
00137 public:
00138   Accumulator(std::string name);
00139   Accumulator(const Accumulator& a);
00140   ~Accumulator();
00141   MarSystem* clone() const;
00142 
00143   void myProcess(realvec& in, realvec& out);
00144   bool addMarSystem(MarSystem *marsystem);
00145 
00146 };
00147 
00148 }//namespace Marsyas
00149 
00150 #endif