Marsyas
0.6.0-alpha
|
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_RAWFILESOURCE_H 00020 #define MARSYAS_RAWFILESOURCE_H 00021 00022 #include "AbsSoundFileSource.h" 00023 #include <sys/stat.h> 00024 00025 namespace Marsyas 00026 { 00039 class RawFileSource : public AbsSoundFileSource 00040 { 00041 private: 00042 FILE *sfp_; 00043 mrs_real time_; 00044 mrs_real rate_; // loop frequency 00045 00046 short *buffer_; 00047 00048 00049 realvec data_; 00050 mrs_real phaseOffset_; 00051 00052 unsigned long fileSize_; 00053 unsigned long bufferSize_; 00054 bool byteSwap_; 00055 mrs_natural ch_, pos_, nChannels_; 00056 00057 void addControls(); 00058 void myUpdate(MarControlPtr sender); 00059 void swap16(unsigned char *ptr); 00060 00061 void readData( unsigned long index ); 00062 bool getRawInfo( const char *fileName ); 00063 void getHeader(std::string filename); 00064 00065 public: 00066 RawFileSource(std::string name); 00067 ~RawFileSource(); 00068 00069 MarSystem* clone() const; 00070 void myProcess(realvec& in,realvec &out); 00071 00072 00073 // helpers for synthesis routines 00074 void setFrequency(mrs_real frequency); 00075 void openFile(std::string filename); //[?] not coherent with interface defined by AbsSoundFileSource! 00076 }; 00077 00078 }//namespace Marsyas 00079 00080 #endif /* !MARSYAS_RAWFILESOURCE_H */