sounddecoder_ogg.h

00001 /***************************************************************************
00002  *   Copyright (C) 2005-2008 by the FIFE team                              *
00003  *   http://www.fifengine.de                                               *
00004  *   This file is part of FIFE.                                            *
00005  *                                                                         *
00006  *   FIFE is free software; you can redistribute it and/or                 *
00007  *   modify it under the terms of the GNU Lesser General Public            *
00008  *   License as published by the Free Software Foundation; either          *
00009  *   version 2.1 of the License, or (at your option) any later version.    *
00010  *                                                                         *
00011  *   This library 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 GNU     *
00014  *   Lesser General Public License for more details.                       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with this library; if not, write to the                 *
00018  *   Free Software Foundation, Inc.,                                       *
00019  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
00020  ***************************************************************************/
00021 
00022 #ifndef FIFE_SOUNDDECODER_OGG_H
00023 #define FIFE_SOUNDDECODER_OGG_H
00024 
00025 // Standard C++ library includes
00026 
00027 // Platform specific includes
00028 
00029 // 3rd party library includes
00030 #include <vorbisfile.h>
00031 #include <boost/scoped_ptr.hpp>
00032 
00033 // FIFE includes
00034 // These includes are split up in two parts, separated by one empty line
00035 // First block: files included from the FIFE root src directory
00036 // Second block: files included from the same folder
00037 #include "vfs/raw/rawdata.h"
00038 #include "audio/sounddecoder.h"
00039 
00040 namespace FIFE {
00041     class SoundDecoderOgg : public SoundDecoder {
00042     public:
00043         
00044         SoundDecoderOgg(RawData* ptr);
00045         
00046         ~SoundDecoderOgg() {
00047             releaseBuffer();
00048         }
00049         
00052         unsigned long getDecodedLength() const{
00053             return m_declength;
00054         }
00055         
00060         bool setCursor(unsigned long pos);
00061         
00067         bool decode(unsigned long length);
00068         
00073         void *getBuffer() const{
00074             return m_data;
00075         }
00076         
00079         unsigned long getBufferSize() {
00080             return m_datasize;
00081         }
00082         
00085         void releaseBuffer() {
00086             if (m_data != NULL) {
00087                 delete[] m_data;
00088                 m_data = NULL;
00089             }
00090         }
00091         
00092     private:
00093         boost::scoped_ptr<RawData>  m_file;
00094         unsigned long       m_declength;
00095         unsigned long       m_datasize;
00096         char*                       m_data;
00097         OggVorbis_File  m_ovf;
00098     };
00099 }
00100 
00101 #endif
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