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Philippe G
2021-12-18 21:04:23 -08:00
parent 955692f8ad
commit 898998efb0
583 changed files with 84472 additions and 1965 deletions
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components/spotify/cspot/bell/libhelix-aac/bitstream.h Normal file
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/* ***** BEGIN LICENSE BLOCK *****
* Source last modified: $Id: bitstream.h,v 1.1 2005/02/26 01:47:34 jrecker Exp $
*
* Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved.
*
* The contents of this file, and the files included with this file,
* are subject to the current version of the RealNetworks Public
* Source License (the "RPSL") available at
* http://www.helixcommunity.org/content/rpsl unless you have licensed
* the file under the current version of the RealNetworks Community
* Source License (the "RCSL") available at
* http://www.helixcommunity.org/content/rcsl, in which case the RCSL
* will apply. You may also obtain the license terms directly from
* RealNetworks. You may not use this file except in compliance with
* the RPSL or, if you have a valid RCSL with RealNetworks applicable
* to this file, the RCSL. Please see the applicable RPSL or RCSL for
* the rights, obligations and limitations governing use of the
* contents of the file.
*
* This file is part of the Helix DNA Technology. RealNetworks is the
* developer of the Original Code and owns the copyrights in the
* portions it created.
*
* This file, and the files included with this file, is distributed
* and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
* KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
* ENJOYMENT OR NON-INFRINGEMENT.
*
* Technology Compatibility Kit Test Suite(s) Location:
* http://www.helixcommunity.org/content/tck
*
* Contributor(s):
*
* ***** END LICENSE BLOCK ***** */
/**************************************************************************************
* Fixed-point HE-AAC decoder
* Jon Recker (jrecker@real.com)
* February 2005
*
* bitstream.h - definitions of bitstream handling functions
**************************************************************************************/
#ifndef _BITSTREAM_H
#define _BITSTREAM_H
#include "aaccommon.h"
/* additional external symbols to name-mangle for static linking */
#define SetBitstreamPointer STATNAME(SetBitstreamPointer)
#define GetBits STATNAME(GetBits)
#define GetBitsNoAdvance STATNAME(GetBitsNoAdvance)
#define AdvanceBitstream STATNAME(AdvanceBitstream)
#define CalcBitsUsed STATNAME(CalcBitsUsed)
#define ByteAlignBitstream STATNAME(ByteAlignBitstream)
typedef struct _BitStreamInfo {
unsigned char *bytePtr;
unsigned int iCache;
int cachedBits;
int nBytes;
} BitStreamInfo;
/* bitstream.c */
void SetBitstreamPointer(BitStreamInfo *bsi, int nBytes, unsigned char *buf);
unsigned int GetBits(BitStreamInfo *bsi, int nBits);
unsigned int GetBitsNoAdvance(BitStreamInfo *bsi, int nBits);
void AdvanceBitstream(BitStreamInfo *bsi, int nBits);
int CalcBitsUsed(BitStreamInfo *bsi, unsigned char *startBuf, int startOffset);
void ByteAlignBitstream(BitStreamInfo *bsi);
#endif /* _BITSTREAM_H */