F:/My Projects/LSEngine/Modules/LSSoundLib/Src/Ogg/LSSOggWindow.h

/********************************************************************
 *                                                                  *
 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
 *                                                                  *
 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007             *
 * by the Xiph.Org Foundation http://www.xiph.org/                  *
 *                                                                  *
 ********************************************************************

 function: window functions
 last mod: $Id: window.h 13293 2007-07-24 00:09:47Z xiphmont $

 ********************************************************************/


#ifndef __LSS_OGGWINDOW_H__
#define __LSS_OGGWINDOW_H__

#include "../LSSSoundLib.h"

namespace lss {

        class COggWindow {
        public :

                // == Functions.
                static LSFLOAT *                _vorbis_window_get( LSINT32 _i32N );

                static LSVOID                           _vorbis_apply_window( LSFLOAT * _pfD, LSINT32 * _pi32WinNo, LSINT32 * _pi32BlockSizes,
                        LSINT32 _i32Lw, LSINT32 _i32W, LSINT32 _i32Nw );

        protected :
                // == Members.
                static LSFLOAT                  m_fWin64[32];

                static LSFLOAT                  m_fWin128[64];

                static LSFLOAT                  m_fWin256[128];

                static LSFLOAT                  m_fWin512[256];

                static LSFLOAT                  m_fWin1024[512];

                static LSFLOAT                  m_fWin2048[1024];

                static LSFLOAT                  m_fWin4096[2048];

                static LSFLOAT                  m_fWin8192[4096];

                static LSFLOAT *                m_pfWin[8];
                
        };

}       // namespace lss

#endif  // __LSS_OGGWINDOW_H__