blob: 281f30c119895ebca870597bda382dd490640b52 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/****************************************************************************
(C) Copyright Fraunhofer IIS (2004)
All Rights Reserved
Please be advised that this software and/or program delivery is
Confidential Information of Fraunhofer and subject to and covered by the
Fraunhofer IIS Software Evaluation Agreement
between Google Inc. and Fraunhofer
effective and in full force since March 1, 2012.
You may use this software and/or program only under the terms and
conditions described in the above mentioned Fraunhofer IIS Software
Evaluation Agreement. Any other and/or further use requires a separate agreement.
This software and/or program is protected by copyright law and international
treaties. Any reproduction or distribution of this software and/or program,
or any portion of it, may result in severe civil and criminal penalties, and
will be prosecuted to the maximum extent possible under law.
$Id$
*******************************************************************************/
/*!
\file
\brief CRC checking routines $Revision: 36841 $
*/
#ifndef __SBR_CRC_H
#define __SBR_CRC_H
#include "sbrdecoder.h"
#include "FDK_bitstream.h"
/* some useful crc polynoms:
crc5: x^5+x^4+x^2+x^1+1
crc6: x^6+x^5+x^3+x^2+x+1
crc7: x^7+x^6+x^2+1
crc8: x^8+x^2+x+x+1
*/
/* default SBR CRC */ /* G(x) = x^10 + x^9 + x^5 + x^4 + x + 1 */
#define SBR_CRC_POLY 0x0233
#define SBR_CRC_MASK 0x0200
#define SBR_CRC_START 0x0000
#define SBR_CRC_RANGE 0x03FF
typedef struct
{
USHORT crcState;
USHORT crcMask;
USHORT crcPoly;
}
CRC_BUFFER;
typedef CRC_BUFFER *HANDLE_CRC;
int SbrCrcCheck (HANDLE_FDK_BITSTREAM hBitBuf,
LONG NrCrcBits);
#endif
|
