Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/CollectionFileSource.h
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00001 /*
00002 ** Copyright (C) 1998-20010 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_COLLECTIONFILESOURCE_H
00020 #define MARSYAS_COLLECTIONFILESOURCE_H
00021 
00022 #include "AbsSoundFileSource.h"
00023 #include "SoundFileSource.h"
00024 #include <marsyas/Collection.h>
00025 #include "DownSampler.h"
00026 
00027 namespace Marsyas
00028 {
00040 class CollectionFileSource: public AbsSoundFileSource
00041 {
00042 private:
00043   void addControls();
00044   void myUpdate(MarControlPtr sender);
00045   void getHeader(std::string filename);
00046 
00047   mrs_natural nChannels_;
00048   mrs_real myIsrate_;
00049   MarSystem* isrc_;
00050   MarSystem* downsampler_;
00051 
00052   Collection col_;
00053   bool mngCreated_;
00054   mrs_natural cindex_;
00055   mrs_real repetitions_;
00056   mrs_real duration_;
00057 
00058   mrs_natural advance_;
00059 
00060   realvec temp_;
00061   realvec tempi_;
00062 
00063 public:
00064   CollectionFileSource(std::string name);
00065   CollectionFileSource(const CollectionFileSource& a);
00066 
00067   ~CollectionFileSource();
00068   MarSystem* clone() const;
00069 
00070   void myProcess(realvec& in,realvec &out);
00071 
00072   // public for efficiency; just like AbsFileSource
00073   mrs_bool iHasData_;
00074   mrs_bool iLastTickWithData_;
00075   mrs_bool iNewFile_;
00076 };
00077 
00078 }//namespace Marsyas
00079 
00080 
00081 #endif    /* !MARSYAS_COLLECTIONFILESOURCE_H */
00082 
00083 
00084 
00085