Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/MP3FileSink.h
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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_MP3FILESINK_H
00020 #define MARSYAS_MP3FILESINK_H
00021 
00022 #include <marsyas/common_header.h>
00023 #include "SoundFileSink.h"
00024 #include <marsyas/FileName.h>
00025 #include "AbsSoundFileSink.h"
00026 
00027 #include "lame/lame.h"
00028 
00029 namespace Marsyas
00030 {
00039 class MP3FileSink: public AbsSoundFileSink
00040 {
00041 private:
00042   unsigned long written_;
00043   long fpos_;
00044 
00045   lame_global_flags *gfp_;
00046   unsigned char *mp3Buffer_;
00047   short int *leftpcm_;
00048   short int *rightpcm_;
00049 
00050   std::string filename_;
00051   FILE *sfp_;
00052   long sfp_begin_;
00053   mrs_natural nChannels_;
00054 
00055   unsigned long ByteSwapLong(unsigned long nLongNumber);
00056   unsigned short ByteSwapShort (unsigned short nValue);
00057 
00058   void addControls();
00059   void myUpdate(MarControlPtr sender);
00060 
00061 public:
00062   MP3FileSink(std::string name);
00063   ~MP3FileSink();
00064   MarSystem* clone() const;
00065 
00066   void putHeader(std::string filename);
00067   bool checkExtension(std::string filename);
00068   void myProcess(realvec& in, realvec& out);
00069 };
00070 
00071 }//namespace Marsyas
00072 
00073 #endif    /* !MARSYAS_MP3FILESINK_H */
00074 
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