Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/ADSR.h
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00001 /*
00002 ** Copyright (C) 1998-2005 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_ADSR_H
00020 #define MARSYAS_ADSR_H
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 
00024 namespace Marsyas
00025 {
00034 class ADSR: public MarSystem
00035 {
00036 private:
00037   void addControls();
00038   mrs_real target_;
00039   mrs_real rate_;
00040   mrs_real value_;
00041   mrs_real nton_;
00042   mrs_real ntoff_;
00043   mrs_real aRate_;
00044   mrs_real aTime_;
00045   mrs_real aTarget_;
00046   mrs_real dRate_;
00047   mrs_real dTime_;
00048   mrs_real susLevel_;
00049   mrs_real rRate_;
00050   mrs_real rTime_;
00051   mrs_real sampleRate_;
00052   mrs_natural state_;
00053 
00054   mrs_bool bypass_;
00055   mrs_bool noteon_;
00056   mrs_bool noteoff_;
00057 
00058 public:
00059   ADSR(std::string name);
00060   ~ADSR();
00061   MarSystem* clone() const;
00062 
00063   void myUpdate(MarControlPtr sender);
00064   void myProcess(realvec& in, realvec& out);
00065 };
00066 
00067 } // namespace Marsyas
00068 
00069 #endif
00070