bitres_converter.h Source File

00001 //----------------------------------------------------------------------------
00008 //----------------------------------------------------------------------------
00009 #ifndef BITRESCONVERTER_H_INCLUDED
00010 #define BITRESCONVERTER_H_INCLUDED
00011 //----------------------------------------------------------------------------
00012 #include "datatypes.h"
00013 //----------------------------------------------------------------------------
00014 namespace ac3 {
00015 //----------------------------------------------------------------------------
00024 class CBitResConverter
00025 {
00026 public:
00027   static void ConvertBitResolution(UINT32 nSampleCount,
00028                                    void* pSource,
00029                                    UINT16 nSourceResolution,
00030                                    void* pDest,
00031                                    UINT16 nDestResolution);
00032   
00033   static UINT8 INT16ToUINT8(INT16 nValue);
00034   static UINT8 INT24ToUINT8(INT32 nValue);
00035   static UINT8 INT32ToUINT8(INT32 nValue);
00036 
00037   static INT16 UINT8ToINT16(UINT8 nValue);
00038   static INT16 INT24ToINT16(INT32 nValue);
00039   static INT16 INT32ToINT16(INT32 nValue);
00040 
00041   static INT32 UINT8ToINT24(UINT8 nValue);
00042   static INT32 INT16ToINT24(INT16 nValue);
00043   static INT32 INT32ToINT24(INT32 nValue);
00044 
00045   static INT32 UINT8ToINT32(UINT8 nValue);
00046   static INT32 INT16ToINT32(INT16 nValue);
00047   static INT32 INT24ToINT32(INT32 nValue);
00048 };
00049 //----------------------------------------------------------------------------
00050 } // namespace ac3
00051 //----------------------------------------------------------------------------
00052 #endif // BITRESCONVERTER_H_INCLUDED
00053 //----------------------------------------------------------------------------