Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/ResampleSinc.h
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00001 /*
00002 ** Copyright (C) 1998-2010 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 FITNESS 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_ResampleSinc_H
00020 #define MARSYAS_ResampleSinc_H
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 
00024 namespace Marsyas
00025 {
00048 class ResampleSinc: public MarSystem
00049 {
00050 
00051 
00052 
00053 
00054 
00055 private:
00056   //Add specific controls needed by this MarSystem.
00057   void addControls();
00058   MarControlPtr ctrl_windowedMode_;
00059   MarControlPtr ctrl_samplingRateAdjustmentMode_;
00060   MarControlPtr ctrl_offStart_;
00061   MarControlPtr ctrl_offEnd_;
00062   MarControlPtr ctrl_stretch_;
00063   void myUpdate(MarControlPtr sender);
00064   mrs_real sinc(mrs_real t);
00065   mrs_real window(mrs_real position);
00066 
00067   realvec arrx_;
00068 
00069 public:
00070   ResampleSinc(std::string name);
00071   ResampleSinc(const ResampleSinc& a);
00072   ~ResampleSinc();
00073   MarSystem* clone() const;
00074 
00075   void myProcess(realvec& in, realvec& out);
00076 
00077 
00078 };
00079 
00080 }//namespace Marsyas
00081 
00082 #endif