Marsyas
0.6.0-alpha
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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_WAVFILESOURCE_H 00020 #define MARSYAS_WAVFILESOURCE_H 00021 00022 #include <marsyas/common_header.h> 00023 #include "AbsSoundFileSource.h" 00024 00025 #include <string> 00026 #include <cstdio> 00027 #include <cstring> 00028 00029 namespace Marsyas 00030 { 00037 class WavFileSource: public AbsSoundFileSource 00038 { 00039 private: 00040 int *idata_; 00041 short *sdata_; 00042 unsigned char *cdata_; 00043 00044 FILE *sfp_; 00045 long sfp_begin_; 00046 00047 mrs_natural sampleSize_; //in bytes 00048 mrs_natural csize_; 00049 mrs_natural size_; 00050 int ival_; 00051 short sval_; 00052 unsigned short bits_; 00053 MarControlPtr ctrl_pos_; 00054 00055 void addControls(); 00056 void myUpdate(MarControlPtr sender); 00057 unsigned long ByteSwapLong(unsigned long nLongNumber); 00058 unsigned int ByteSwapInt(unsigned int nInt); 00059 unsigned short ByteSwapShort (unsigned short nValue); 00060 00061 mrs_natural nChannels_; 00062 mrs_natural inSamples_; 00063 mrs_natural samplesToRead_; 00064 mrs_natural samplesRead_; 00065 mrs_natural samplesToWrite_; 00066 00067 mrs_natural nt_; 00068 00069 mrs_natural samplesOut_; 00070 00071 mrs_real repetitions_; 00072 mrs_real duration_; 00073 00074 mrs_natural getLinear32(realvec& win); 00075 mrs_natural getLinear16(realvec& win); 00076 mrs_natural getLinear8(realvec& win); 00077 00078 00079 public: 00080 WavFileSource(std::string name); 00081 WavFileSource(const WavFileSource& a); 00082 00083 ~WavFileSource(); 00084 MarSystem* clone() const; 00085 00086 00087 void getHeader(std::string filename); 00088 void myProcess(realvec& in, realvec &out); 00089 }; 00090 00091 }//namespace Marsyas 00092 00093 00094 #endif /* !MARSYAS_WAVFILESOURCE_H */