9bf37cc971
License boilerplate update to follow. Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/****************************************************************************
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(C) Copyright Fraunhofer IIS (2004)
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All Rights Reserved
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Please be advised that this software and/or program delivery is
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Confidential Information of Fraunhofer and subject to and covered by the
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Fraunhofer IIS Software Evaluation Agreement
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between Google Inc. and Fraunhofer
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effective and in full force since March 1, 2012.
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You may use this software and/or program only under the terms and
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conditions described in the above mentioned Fraunhofer IIS Software
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Evaluation Agreement. Any other and/or further use requires a separate agreement.
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This software and/or program is protected by copyright law and international
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treaties. Any reproduction or distribution of this software and/or program,
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or any portion of it, may result in severe civil and criminal penalties, and
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will be prosecuted to the maximum extent possible under law.
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$Id$
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*******************************************************************************/
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/*!
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\file
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\brief CRC checking routines $Revision: 36841 $
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*/
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#ifndef __SBR_CRC_H
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#define __SBR_CRC_H
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#include "sbrdecoder.h"
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#include "FDK_bitstream.h"
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/* some useful crc polynoms:
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crc5: x^5+x^4+x^2+x^1+1
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crc6: x^6+x^5+x^3+x^2+x+1
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crc7: x^7+x^6+x^2+1
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crc8: x^8+x^2+x+x+1
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*/
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/* default SBR CRC */ /* G(x) = x^10 + x^9 + x^5 + x^4 + x + 1 */
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#define SBR_CRC_POLY 0x0233
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#define SBR_CRC_MASK 0x0200
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#define SBR_CRC_START 0x0000
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#define SBR_CRC_RANGE 0x03FF
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typedef struct
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{
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USHORT crcState;
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USHORT crcMask;
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USHORT crcPoly;
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}
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CRC_BUFFER;
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typedef CRC_BUFFER *HANDLE_CRC;
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int SbrCrcCheck (HANDLE_FDK_BITSTREAM hBitBuf,
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LONG NrCrcBits);
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#endif
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