Marsyas  0.2
/home/gperciva/src/marsyas/src/marsyas/Accumulator.h
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 "MarSystem.h"
00023 
00024 namespace Marsyas
00025 {
00026 
00061 class Accumulator: public MarSystem
00062 {
00063 private:
00064     MarControlPtr ctrl_nTimes_;
00065     MarControlPtr ctrl_maxTimes_;
00066     MarControlPtr ctrl_minTimes_;
00067     MarControlPtr ctrl_timesToKeep_;
00068 
00069     MarControlPtr ctrl_flush_;
00070     MarControlPtr ctrl_mode_;
00071 
00072     mrs_natural nTimes_;
00073 
00074     mrs_natural childOnSamples_;
00075     mrs_natural keptOnSamples_;
00076 
00077     realvec childOut_;
00078     realvec tout_;
00079 
00080     void addControls();
00081     void myUpdate(MarControlPtr sender);
00082 
00083 public:
00084     Accumulator(std::string name);
00085     Accumulator(const Accumulator& a);
00086     ~Accumulator();
00087     MarSystem* clone() const;
00088 
00089     void myProcess(realvec& in, realvec& out);
00090     bool addMarSystem(MarSystem *marsystem);
00091 
00092 };
00093 
00094 }//namespace Marsyas
00095 
00096 #endif