PCMAudioStream.hxx

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00001 /*
00002  * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
00003  *                         UNIVERSITAT POMPEU FABRA
00004  *
00005  *
00006  * This program is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program; if not, write to the Free Software
00018  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00019  *
00020  */
00021 
00022 #ifndef __PCMAudioStream__
00023 #define __PCMAudioStream__
00024 
00025 #if USE_SNDFILE != 1
00026 #error USE_SNDFILE was not set to 1 in your settings.cfg file, but you are including files that require this. Please fix your settings.cfg
00027 #endif
00028 
00029 #include "AudioCodecs_Stream.hxx"
00030 #include <sndfile.h>
00031 #include <string>
00032 
00033 namespace CLAM
00034 {
00035 
00036 namespace AudioCodecs
00037 {
00038 
00039         class PCMAudioStream : public Stream
00040         {
00041         public:
00042                 PCMAudioStream( const AudioFile& file );
00043                 ~PCMAudioStream();
00044 
00045                 void PrepareReading();
00046                 void PrepareWriting();
00047                 void Dispose();
00048                 void SeekTo(long unsigned framePosition);
00049 
00050         protected:
00051                 void DiskToMemoryTransfer();
00052                 void MemoryToDiskTransfer();
00053 
00054         private:
00055                 SNDFILE*            mFileHandle;
00056                 SF_INFO             mNativeFileParams;
00057                 std::string         mName;
00058         };
00059 
00060 }
00061 
00062 }
00063 #endif // PCMAudioStream.hxx
00064 
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