FreeCalypso > hg > fc-selenite
annotate src/gpf/ccd/bitfun.h @ 157:fd5202e290bc
targets: j100 added
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 17 Mar 2019 07:13:14 +0000 |
parents | 1ea54a97e831 |
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rev | line source |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : bitfun.h |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : Condat Coder Decoder |
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18 | Prototypes of the elementary bit manipulation functions |
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19 +----------------------------------------------------------------------------- |
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20 */ |
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21 |
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22 |
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23 #ifndef __BITFUN |
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24 #define __BITFUN |
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25 |
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26 |
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27 #ifndef __BITFUN_C__ |
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28 |
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29 EXTERN void bf_writePadBits (T_CCD_Globs *globs); |
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30 EXTERN void bf_writeVal (ULONG value, ULONG bSize, T_CCD_Globs *globs); |
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31 EXTERN ULONG bf_getBits (ULONG len, T_CCD_Globs *globs); |
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32 EXTERN void bf_writeBitStr_PER (USHORT len, T_CCD_Globs *globs); |
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33 EXTERN void bf_readBitStr_PER (USHORT len, T_CCD_Globs *globs); |
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34 EXTERN void bf_writeBits (ULONG len, T_CCD_Globs *globs); |
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35 EXTERN void bf_readBits (ULONG len, T_CCD_Globs *globs); |
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36 EXTERN void bf_writeBitChunk (ULONG len, T_CCD_Globs *globs); |
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37 EXTERN void bf_readBitChunk (ULONG len, T_CCD_Globs *globs); |
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38 EXTERN BOOL bf_readBit (T_CCD_Globs *globs); |
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39 EXTERN void bf_writeBit (BOOL Bit, T_CCD_Globs *globs); |
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40 EXTERN UBYTE bf_decodeByteNumber (const ULONG len, T_CCD_Globs *globs); |
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41 EXTERN ULONG bf_decodeShortNumber (const ULONG len, T_CCD_Globs *globs); |
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42 EXTERN ULONG bf_decodeLongNumber (UBYTE len, T_CCD_Globs *globs); |
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43 EXTERN void bf_codeShortNumber (UBYTE len, USHORT val, T_CCD_Globs *globs); |
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44 EXTERN void bf_codeByteNumber (UBYTE len, UBYTE val, T_CCD_Globs *globs); |
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45 EXTERN void bf_codeLongNumber (UBYTE len, ULONG val, T_CCD_Globs *globs); |
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46 EXTERN void bf_recodeShortNumber (USHORT pos, UBYTE len, USHORT val, T_CCD_Globs *globs); |
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47 EXTERN void bf_recodeByteNumber (USHORT pos, UBYTE len, UBYTE val, T_CCD_Globs *globs); |
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48 EXTERN void bf_recodeBit (USHORT pos, UBYTE Bit, T_CCD_Globs *globs); |
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49 EXTERN void bf_rShift8Bit (USHORT srcBitPos, USHORT bitLen, T_CCD_Globs *globs); |
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50 |
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51 #endif /* __BITFUN_C__ */ |
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52 |
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53 /* a Macro for incrementing the position in the bitbuffer */ |
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54 /* _bitpos, _bytepos and _byteoffs are recalculated */ |
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55 |
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56 #define bf_incBitpos(A, globs) globs->bitpos = (USHORT)(globs->bitpos+(A));\ |
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57 globs->bytepos = (USHORT)(globs->bitpos >> 3);\ |
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58 globs->byteoffs = (UBYTE)(globs->bitpos & 7) |
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59 #define bf_setBitpos(A, globs) globs->bitpos = (USHORT)(A);\ |
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60 globs->bytepos = (USHORT)(globs->bitpos >> 3);\ |
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61 globs->byteoffs = (UBYTE)(globs->bitpos & 7) |
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62 |
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63 /* |
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64 * end of bitstream if we can not read almost 4 bits |
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65 */ |
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66 #define bf_endOfBitstream(globs) (globs->bitpos >= globs->maxBitpos) |
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67 |
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68 #endif |