FreeCalypso > hg > leo2moko-debug
comparison gpf/CCD/bitfun.h @ 0:509db1a7b7b8
initial import: leo2moko-r1
author | Space Falcon <falcon@ivan.Harhan.ORG> |
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date | Mon, 01 Jun 2015 03:24:05 +0000 |
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1 /* | |
2 +----------------------------------------------------------------------------- | |
3 | Project : | |
4 | Modul : bitfun.h | |
5 +----------------------------------------------------------------------------- | |
6 | Copyright 2002 Texas Instruments Berlin, AG | |
7 | All rights reserved. | |
8 | | |
9 | This file is confidential and a trade secret of Texas | |
10 | Instruments Berlin, AG | |
11 | The receipt of or possession of this file does not convey | |
12 | any rights to reproduce or disclose its contents or to | |
13 | manufacture, use, or sell anything it may describe, in | |
14 | whole, or in part, without the specific written consent of | |
15 | Texas Instruments Berlin, AG. | |
16 +----------------------------------------------------------------------------- | |
17 | Purpose : Condat Coder Decoder | |
18 | Prototypes of the elementary bit manipulation functions | |
19 +----------------------------------------------------------------------------- | |
20 */ | |
21 | |
22 | |
23 #ifndef __BITFUN | |
24 #define __BITFUN | |
25 | |
26 | |
27 #ifndef __BITFUN_C__ | |
28 | |
29 EXTERN void bf_writePadBits (T_CCD_Globs *globs); | |
30 EXTERN void bf_writeVal (ULONG value, ULONG bSize, T_CCD_Globs *globs); | |
31 EXTERN ULONG bf_getBits (ULONG len, T_CCD_Globs *globs); | |
32 EXTERN void bf_writeBitStr_PER (USHORT len, T_CCD_Globs *globs); | |
33 EXTERN void bf_readBitStr_PER (USHORT len, T_CCD_Globs *globs); | |
34 EXTERN void bf_writeBits (ULONG len, T_CCD_Globs *globs); | |
35 EXTERN void bf_readBits (ULONG len, T_CCD_Globs *globs); | |
36 EXTERN void bf_writeBitChunk (ULONG len, T_CCD_Globs *globs); | |
37 EXTERN void bf_readBitChunk (ULONG len, T_CCD_Globs *globs); | |
38 EXTERN BOOL bf_readBit (T_CCD_Globs *globs); | |
39 EXTERN void bf_writeBit (BOOL Bit, T_CCD_Globs *globs); | |
40 EXTERN UBYTE bf_decodeByteNumber (const ULONG len, T_CCD_Globs *globs); | |
41 EXTERN ULONG bf_decodeShortNumber (const ULONG len, T_CCD_Globs *globs); | |
42 EXTERN ULONG bf_decodeLongNumber (UBYTE len, T_CCD_Globs *globs); | |
43 EXTERN void bf_codeShortNumber (UBYTE len, USHORT val, T_CCD_Globs *globs); | |
44 EXTERN void bf_codeByteNumber (UBYTE len, UBYTE val, T_CCD_Globs *globs); | |
45 EXTERN void bf_codeLongNumber (UBYTE len, ULONG val, T_CCD_Globs *globs); | |
46 EXTERN void bf_recodeShortNumber (USHORT pos, UBYTE len, USHORT val, T_CCD_Globs *globs); | |
47 EXTERN void bf_recodeByteNumber (USHORT pos, UBYTE len, UBYTE val, T_CCD_Globs *globs); | |
48 EXTERN void bf_recodeBit (USHORT pos, UBYTE Bit, T_CCD_Globs *globs); | |
49 EXTERN void bf_rShift8Bit (USHORT srcBitPos, USHORT bitLen, T_CCD_Globs *globs); | |
50 | |
51 #endif /* __BITFUN_C__ */ | |
52 | |
53 /* a Macro for incrementing the position in the bitbuffer */ | |
54 /* _bitpos, _bytepos and _byteoffs are recalculated */ | |
55 | |
56 #define bf_incBitpos(A, globs) globs->bitpos = (USHORT)(globs->bitpos+(A));\ | |
57 globs->bytepos = (USHORT)(globs->bitpos >> 3);\ | |
58 globs->byteoffs = (UBYTE)(globs->bitpos & 7) | |
59 #define bf_setBitpos(A, globs) globs->bitpos = (USHORT)(A);\ | |
60 globs->bytepos = (USHORT)(globs->bitpos >> 3);\ | |
61 globs->byteoffs = (UBYTE)(globs->bitpos & 7) | |
62 | |
63 /* | |
64 * end of bitstream if we can not read almost 4 bits | |
65 */ | |
66 #define bf_endOfBitstream(globs) (globs->bitpos >= globs->maxBitpos) | |
67 | |
68 #endif |