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buffer_dsound.h

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00001 
00007 /* Copyright, 2001 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_BUFFER_DSOUND_H
00027 #define NL_BUFFER_DSOUND_H
00028 
00029 
00030 #include "sound/driver/buffer.h"
00031 
00032 
00033 namespace NLSOUND {
00034 
00035 
00045 class CBufferDSound : public IBuffer
00046 {
00047 public:
00048 
00050         CBufferDSound();
00052         virtual ~CBufferDSound();
00053 
00054         virtual void                    presetName(const std::string &bufferName);
00055 
00057         virtual void                    setFormat( TSampleFormat format, uint freq );
00058 
00060         virtual bool                    fillBuffer( void *src, uint32 bufsize );
00061 
00063     virtual uint32                      getSize() const                         { return _Size; }
00064 
00066     virtual float                       getDuration() const; 
00067 
00069     virtual bool                        isStereo() const                        { return (_Format == Stereo8) || (_Format == Stereo16); }
00070 
00072     virtual void                        getFormat( TSampleFormat& format, uint& freq ) const   { format = _Format; freq = _Freq; }
00073 
00074 
00078         virtual bool                    isFillMoreSupported() const     { return false; }
00079 
00081         //virtual void          setSize( uint32 size )                                  { throw ESoundDriverNotSupp(); }
00082 
00088         //virtual bool          fillMore( void *src, uint32 srcsize )   { throw ESoundDriverNotSupp(); }
00089 
00090         
00092         virtual bool                    loadWavFile(const char* filename);
00093 
00095     virtual uint8*                      getData() const                         { return _Data; }
00096 
00098         virtual const std::string&      getName()                               { return _Name; }
00099 
00100         virtual bool                    isBufferLoaded()                        { return _Data != 0; }
00101 
00102 private:
00103 
00104         std::string             _Name;
00105 
00106     uint8*                      _Data;
00107 
00108     uint32                      _Size; 
00109 
00110     TSampleFormat       _Format;
00111 
00112     uint                        _Freq;
00113 
00114 
00115 #if USE_LOCDEFER
00116     LPDIRECTSOUNDBUFFER _SecondaryBuffer;
00117     LPDIRECTSOUND3DBUFFER _3DBuffer;
00118 #endif
00119 
00120 };
00121 
00122 
00123 } // NLSOUND
00124 
00125 
00126 #endif // NL_BUFFER_DSOUND_H
00127