76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
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/* $Header: /cvs/root/winamp/vlb/plainfile.h,v 1.1 2009/04/28 20:21:10 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: plainfile.h
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* project : MPEG-2 AAC Decoder
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* contents/description: tiny file reader input class
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*
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\***************************************************************************/
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#ifndef __PLAINFILE_H__
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#define __PLAINFILE_H__
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#include <stdio.h>
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#include "bitstream.h"
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#include "DataIO.h"
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/** A Simple File Reading Input Class.
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This class is a simple input class adhering to the CDolbyBitStream interface. It can
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be used to read raw and ADIF-style bitstreams.
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*/
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class CPlainFile : public CDolbyBitStream
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{
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public :
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CPlainFile (DataIOControl *aacData) ;
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virtual ~CPlainFile () ;
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// // //
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virtual void ByteAlign (void) ;
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virtual long Get (int n) ;
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virtual void PushBack (int n) ;
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/** Raw Block Read Method.
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This method sequentially reads chunks of data from the input file.
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@param pData The buffer where the data chunk should be stored.
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@param cBytes The number of bytes to read.
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@return The number of bytes actually read.
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*/
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int Read (void *pData, int cBytes) ;
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int LockAndLoad();
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protected :
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long GetShort (void) ;
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DataIOControl *m_InputData ;
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int m_ValidBits ;
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unsigned long m_Data ;
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static const unsigned long m_ValidMask [32] ;
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char m_tmpadifbits[4]; //CT
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int m_sendadifbits;
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} ;
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#endif
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