Marsyas
0.6.0-alpha
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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 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_PLUCKED_H 00020 #define MARSYAS_PLUCKED_H 00021 00022 00023 #include <marsyas/system/MarSystem.h> 00024 #include "Gain.h" 00025 00026 #include <cstdlib> 00027 00028 namespace Marsyas 00029 { 00040 class Plucked: public MarSystem 00041 { 00042 private: 00043 void addControls(); 00044 void myUpdate(MarControlPtr sender); 00045 00046 realvec delayline1_; 00047 realvec pickDelayLine_; 00048 realvec noise_; 00049 00050 mrs_real delaylineSize_; 00051 mrs_real a_; 00052 mrs_real b_; 00053 mrs_real blend_; 00054 mrs_real loss_; 00055 mrs_real s_; 00056 mrs_real d_; //the delay of the all pass filter dependant on the freq 00057 mrs_real g_; //coefficient of all pass filter g_=-(1-d)/d+1) 00058 mrs_real c; //output of inverse comb filt (for pick pos) 00059 00060 mrs_real nton_; 00061 mrs_bool noteon_; 00062 00063 mrs_natural wp_; 00064 mrs_natural wpp_; 00065 00066 mrs_natural rp_; 00067 00068 // Why do these 'pointers' exist 00069 mrs_natural pointer1_; 00070 mrs_natural pointer2_; 00071 mrs_natural pointer3_; 00072 00073 mrs_natural picklength_; 00074 mrs_natural N_; 00075 mrs_natural p; 00076 MarSystem* gain_; 00077 realvec gout_; 00078 00079 public: 00080 Plucked(std::string name); 00081 ~Plucked(); 00082 MarSystem* clone() const; 00083 00084 void myProcess(realvec& in, realvec& out); 00085 }; 00086 00087 }//namespace Marsyas 00088 00089 #endif