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_WAVFILESOURCE2_H 00020 #define MARSYAS_WAVFILESOURCE2_H 00021 00022 #include <marsyas/common_header.h> 00023 #include "AbsSoundFileSource2.h" 00024 00025 #include <string> 00026 #include <cstring> 00027 #include <cstdio> 00028 00029 namespace Marsyas 00030 { 00037 class WavFileSource2: public AbsSoundFileSource2 00038 { 00039 private: 00040 short *sdata_; 00041 unsigned char *cdata_; 00042 00043 FILE *sfp_; 00044 long sfp_begin_; 00045 00046 mrs_natural sampleSize_; //in bytes 00047 short sval_; 00048 unsigned short bits_; 00049 00050 mrs_natural samplesToRead_; 00051 mrs_natural samplesRead_; 00052 mrs_natural samplesToWrite_; 00053 00054 void addControls(); 00055 void myUpdate(MarControlPtr sender); 00056 00057 unsigned long ByteSwapLong(unsigned long nLongNumber); 00058 unsigned short ByteSwapShort (unsigned short nValue); 00059 00060 //mrs_natural getLinear8(mrs_natural c, realvec& win); 00061 mrs_natural getLinear16(realvec& win); 00062 00063 void hdrError(); 00064 bool getHeader(); 00065 00066 public: 00067 WavFileSource2(std::string name); 00068 WavFileSource2(const WavFileSource2& a); //[!][?] 00069 ~WavFileSource2(); 00070 MarSystem* clone() const; 00071 00072 realvec& getAudioRegion(mrs_natural startSample, mrs_natural endSample); 00073 00074 void myProcess(realvec& in, realvec &out); 00075 }; 00076 00077 }//namespace Marsyas 00078 00079 00080 #endif /* MARSYAS_WAVFILESOURCE2_H */ 00081 00082