FreeCalypso > hg > fc-selenite
view src/gpf/ccd/bitfun.h @ 13:f10cbd8a51c4
scripts: pruned import from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 15 Jul 2018 21:34:56 +0000 |
parents | 1ea54a97e831 |
children |
line wrap: on
line source
/* +----------------------------------------------------------------------------- | Project : | Modul : bitfun.h +----------------------------------------------------------------------------- | Copyright 2002 Texas Instruments Berlin, AG | All rights reserved. | | This file is confidential and a trade secret of Texas | Instruments Berlin, AG | The receipt of or possession of this file does not convey | any rights to reproduce or disclose its contents or to | manufacture, use, or sell anything it may describe, in | whole, or in part, without the specific written consent of | Texas Instruments Berlin, AG. +----------------------------------------------------------------------------- | Purpose : Condat Coder Decoder | Prototypes of the elementary bit manipulation functions +----------------------------------------------------------------------------- */ #ifndef __BITFUN #define __BITFUN #ifndef __BITFUN_C__ EXTERN void bf_writePadBits (T_CCD_Globs *globs); EXTERN void bf_writeVal (ULONG value, ULONG bSize, T_CCD_Globs *globs); EXTERN ULONG bf_getBits (ULONG len, T_CCD_Globs *globs); EXTERN void bf_writeBitStr_PER (USHORT len, T_CCD_Globs *globs); EXTERN void bf_readBitStr_PER (USHORT len, T_CCD_Globs *globs); EXTERN void bf_writeBits (ULONG len, T_CCD_Globs *globs); EXTERN void bf_readBits (ULONG len, T_CCD_Globs *globs); EXTERN void bf_writeBitChunk (ULONG len, T_CCD_Globs *globs); EXTERN void bf_readBitChunk (ULONG len, T_CCD_Globs *globs); EXTERN BOOL bf_readBit (T_CCD_Globs *globs); EXTERN void bf_writeBit (BOOL Bit, T_CCD_Globs *globs); EXTERN UBYTE bf_decodeByteNumber (const ULONG len, T_CCD_Globs *globs); EXTERN ULONG bf_decodeShortNumber (const ULONG len, T_CCD_Globs *globs); EXTERN ULONG bf_decodeLongNumber (UBYTE len, T_CCD_Globs *globs); EXTERN void bf_codeShortNumber (UBYTE len, USHORT val, T_CCD_Globs *globs); EXTERN void bf_codeByteNumber (UBYTE len, UBYTE val, T_CCD_Globs *globs); EXTERN void bf_codeLongNumber (UBYTE len, ULONG val, T_CCD_Globs *globs); EXTERN void bf_recodeShortNumber (USHORT pos, UBYTE len, USHORT val, T_CCD_Globs *globs); EXTERN void bf_recodeByteNumber (USHORT pos, UBYTE len, UBYTE val, T_CCD_Globs *globs); EXTERN void bf_recodeBit (USHORT pos, UBYTE Bit, T_CCD_Globs *globs); EXTERN void bf_rShift8Bit (USHORT srcBitPos, USHORT bitLen, T_CCD_Globs *globs); #endif /* __BITFUN_C__ */ /* a Macro for incrementing the position in the bitbuffer */ /* _bitpos, _bytepos and _byteoffs are recalculated */ #define bf_incBitpos(A, globs) globs->bitpos = (USHORT)(globs->bitpos+(A));\ globs->bytepos = (USHORT)(globs->bitpos >> 3);\ globs->byteoffs = (UBYTE)(globs->bitpos & 7) #define bf_setBitpos(A, globs) globs->bitpos = (USHORT)(A);\ globs->bytepos = (USHORT)(globs->bitpos >> 3);\ globs->byteoffs = (UBYTE)(globs->bitpos & 7) /* * end of bitstream if we can not read almost 4 bits */ #define bf_endOfBitstream(globs) (globs->bitpos >= globs->maxBitpos) #endif