55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
/***************************************************************************\
|
|
*
|
|
* MPEG Layer3-Audio Decoder
|
|
* © 1997-2006 by Fraunhofer IIS
|
|
* All Rights Reserved
|
|
*
|
|
* filename: huffmanbitobj.h
|
|
* project : MPEG Decoder
|
|
* author : Martin Sieler
|
|
* date : 1997-12-29
|
|
* contents/description: HEADER - Huffman Bit Object
|
|
*
|
|
*
|
|
\***************************************************************************/
|
|
|
|
/*
|
|
* $Date: 2011/01/18 23:00:53 $
|
|
* $Id: huffmanbitobj.h,v 1.3 2011/01/18 23:00:53 audiodsp Exp $
|
|
*/
|
|
|
|
#ifndef __HUFFMANBITOBJ_H__
|
|
#define __HUFFMANBITOBJ_H__
|
|
|
|
/* ------------------------ includes --------------------------------------*/
|
|
|
|
/*-------------------------- defines --------------------------------------*/
|
|
|
|
class CBitStream;
|
|
class CHuffmanTable;
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
//
|
|
// Class holding one huffman value.
|
|
//
|
|
// This object reads and decodes one huffman value from a CBitStream
|
|
// object. One huffman value represents either two (big value part) or four
|
|
// spectral lines (count-one part).
|
|
//
|
|
|
|
class CHuffmanBitObj
|
|
{
|
|
public:
|
|
CHuffmanBitObj(const CHuffmanTable &HT);
|
|
virtual ~CHuffmanBitObj();
|
|
|
|
int ReadFrom(CBitStream &BS) const;
|
|
|
|
private:
|
|
const CHuffmanTable& m_HuffmanTable;
|
|
};
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
#endif
|