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1 | /* ***** BEGIN LICENSE BLOCK ***** |
2 | * Source last modified: $Id: rasl.h,v 1.1.1.1.2.1 2005/05/04 18:21:33 hubbe Exp $ |
3 | * |
4 | * REALNETWORKS CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM |
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7 | * |
8 | * The contents of this file, and the files included with this file, |
9 | * are subject to the current version of the Real Format Source Code |
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11 | * https://helixcommunity.org/2005/license/realformatsource (unless |
12 | * RealNetworks otherwise expressly agrees in writing that you are |
13 | * subject to a different license). You may also obtain the license |
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15 | * in compliance with the Real Format Source Code Porting and |
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17 | * source code of this file. Please see the Real Format Source Code |
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36 | * ***** END LICENSE BLOCK ***** */ |
37 | |
38 | #ifndef RASL_H |
39 | #define RASL_H |
40 | |
41 | #include "helix_types.h" |
42 | |
43 | /* Must regenerate table if these are changed! */ |
44 | #define RA50_NCODEBYTES 18.5 /* bytes per 5.0kbps sl frame */ |
45 | #define RA65_NCODEBYTES 14.5 /* bytes per 6.5kbps sl frame */ |
46 | #define RA85_NCODEBYTES 19 /* bytes per 8.5kbps sl frame */ |
47 | #define RA160_NCODEBYTES 20 /* bytes per 16.0kbps sl frame */ |
48 | |
49 | #define RA50_NCODEBITS 148 /* bits per 5.0kbps sl frame */ |
50 | #define RA65_NCODEBITS 116 /* bits per 6.5kbps sl frame */ |
51 | #define RA85_NCODEBITS 152 /* bits per 8.5kbps sl frame */ |
52 | #define RA160_NCODEBITS 160 /* bits per 16.0kbps sl frame */ |
53 | |
54 | #define RASL_MAXCODEBYTES 20 /* max bytes per sl frame */ |
55 | #define RASL_NFRAMES 16 /* frames per block - must match codec */ |
56 | #define RASL_NBLOCKS 6 /* blocks to interleave across */ |
57 | #define RASL_BLOCK_NUM(i) ((i) >> 4) /* assumes RASL_NFRAMES = 16 */ |
58 | #define RASL_BLOCK_OFF(i) ((i) & 0xf) /* assumes RASL_NFRAMES = 16 */ |
59 | |
60 | |
61 | void RASL_DeInterleave(char *buf, unsigned long ulBufSize, int type, ULONG32 * pFlags); |
62 | |
63 | void ra_bitcopy(unsigned char* toPtr, |
64 | unsigned long ulToBufSize, |
65 | unsigned char* fromPtr, |
66 | unsigned long ulFromBufSize, |
67 | int bitOffsetTo, |
68 | int bitOffsetFrom, |
69 | int numBits); |
70 | |
71 | #endif /* #ifndef RASL_H */ |
72 |