FreeCalypso > hg > fc-selenite

annotate src/gpf/ccd/bitfun.h @ 92:e42d528f3e6e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
components/main_ir: ramvecs module now goes outside of libs
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 21 Jul 2018 00:22:35 +0000
parents 1ea54a97e831
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 +-----------------------------------------------------------------------------
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 | Project :
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 | Modul : bitfun.h
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 +-----------------------------------------------------------------------------
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 | Copyright 2002 Texas Instruments Berlin, AG
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 | All rights reserved.
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 |
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 | This file is confidential and a trade secret of Texas
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 | Instruments Berlin, AG
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 | The receipt of or possession of this file does not convey
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 | any rights to reproduce or disclose its contents or to
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 | manufacture, use, or sell anything it may describe, in
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 | whole, or in part, without the specific written consent of
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 | Texas Instruments Berlin, AG.
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 +-----------------------------------------------------------------------------
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 | Purpose : Condat Coder Decoder
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 | Prototypes of the elementary bit manipulation functions
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 +-----------------------------------------------------------------------------
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 */
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 #ifndef __BITFUN
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #define __BITFUN
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 #ifndef __BITFUN_C__
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 EXTERN void bf_writePadBits (T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 EXTERN void bf_writeVal (ULONG value, ULONG bSize, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 EXTERN ULONG bf_getBits (ULONG len, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 EXTERN void bf_writeBitStr_PER (USHORT len, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 EXTERN void bf_readBitStr_PER (USHORT len, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 EXTERN void bf_writeBits (ULONG len, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 EXTERN void bf_readBits (ULONG len, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 EXTERN void bf_writeBitChunk (ULONG len, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 EXTERN void bf_readBitChunk (ULONG len, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 EXTERN BOOL bf_readBit (T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 EXTERN void bf_writeBit (BOOL Bit, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 EXTERN UBYTE bf_decodeByteNumber (const ULONG len, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 EXTERN ULONG bf_decodeShortNumber (const ULONG len, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 EXTERN ULONG bf_decodeLongNumber (UBYTE len, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 EXTERN void bf_codeShortNumber (UBYTE len, USHORT val, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 EXTERN void bf_codeByteNumber (UBYTE len, UBYTE val, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 EXTERN void bf_codeLongNumber (UBYTE len, ULONG val, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 EXTERN void bf_recodeShortNumber (USHORT pos, UBYTE len, USHORT val, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 EXTERN void bf_recodeByteNumber (USHORT pos, UBYTE len, UBYTE val, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 EXTERN void bf_recodeBit (USHORT pos, UBYTE Bit, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 EXTERN void bf_rShift8Bit (USHORT srcBitPos, USHORT bitLen, T_CCD_Globs *globs);
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 #endif /* __BITFUN_C__ */
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 /* a Macro for incrementing the position in the bitbuffer */
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 /* _bitpos, _bytepos and _byteoffs are recalculated */
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 #define bf_incBitpos(A, globs) globs->bitpos = (USHORT)(globs->bitpos+(A));\
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 globs->bytepos = (USHORT)(globs->bitpos >> 3);\
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 globs->byteoffs = (UBYTE)(globs->bitpos & 7)
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 #define bf_setBitpos(A, globs) globs->bitpos = (USHORT)(A);\
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 globs->bytepos = (USHORT)(globs->bitpos >> 3);\
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 globs->byteoffs = (UBYTE)(globs->bitpos & 7)
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 /*
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 * end of bitstream if we can not read almost 4 bits
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 */
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 #define bf_endOfBitstream(globs) (globs->bitpos >= globs->maxBitpos)
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67
1ea54a97e831 src/gpf: import of Magnetite src/gpf3
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 #endif