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63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
/* $Header: /cvs/root/winamp/vlb/bitsequence.h,v 1.1 2009/04/28 20:21:08 audiodsp Exp $ */
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/***************************************************************************\
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*
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* Copyright 2000-2002 Dolby Laboratories, Inc. All Rights
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* Reserved. Do not copy. Do not distribute.
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* Confidential information.
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*
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* (C) copyright Fraunhofer - IIS (1998)
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* All Rights Reserved
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*
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* filename: bitsequence.h
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* project : MPEG-2 AAC Decoder
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* contents/description: bitstream helper object
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*
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\***************************************************************************/
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#ifndef __VLB_BITSEQUENCE_H__
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#define __VLB_BITSEQUENCE_H__
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#include "bitstream.h"
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/** Bitstream Parser Utility.
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This helper class is basically a numerical value that can read itself from a
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\Ref{CDolbyBitStream} interface for convenience. The decoder almost completely
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does the bitstream parsing through CVLBBitSequence rather than \Ref{CDolbyBitStream} directly.
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*/
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class CVLBBitSequence
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{
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public :
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CVLBBitSequence (const int length = 0) ;
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CVLBBitSequence (const int length, const int value) ;
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~CVLBBitSequence () ;
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int Read (CDolbyBitStream& bs, const int length) ;
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int Read (CDolbyBitStream& bs)
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{
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m_Value = bs.Get (m_Length) ;
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return m_Value ;
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}
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operator int() const
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{
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return m_Value ;
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}
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CVLBBitSequence &operator=(int) ;
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CVLBBitSequence &operator+=(int) ;
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protected :
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int m_Length ;
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int m_Value ;
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} ;
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#endif
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