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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 |
| 5 | * Portions Copyright (c) 1995-2005 RealNetworks, Inc. |
| 6 | * All Rights Reserved. |
| 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 |
| 10 | * Porting and Optimization License, available at |
| 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 |
| 14 | * terms directly from RealNetworks. You may not use this file except |
| 15 | * in compliance with the Real Format Source Code Porting and |
| 16 | * Optimization License. There are no redistribution rights for the |
| 17 | * source code of this file. Please see the Real Format Source Code |
| 18 | * Porting and Optimization License for the rights, obligations and |
| 19 | * limitations governing use of the contents of the file. |
| 20 | * |
| 21 | * RealNetworks is the developer of the Original Code and owns the |
| 22 | * copyrights in the portions it created. |
| 23 | * |
| 24 | * This file, and the files included with this file, is distributed and |
| 25 | * made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, |
| 26 | * EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL |
| 27 | * SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
| 28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT |
| 29 | * OR NON-INFRINGEMENT. |
| 30 | * |
| 31 | * Technology Compatibility Kit Test Suite(s) Location: |
| 32 | * https://rarvcode-tck.helixcommunity.org |
| 33 | * |
| 34 | * Contributor(s): |
| 35 | * |
| 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 |