mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-18 16:45:51 +01:00
58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
/***************************************************************************\
|
|
*
|
|
* MPEG Layer3-Audio Decoder
|
|
* © 1997-2006 by Fraunhofer IIS
|
|
* All Rights Reserved
|
|
*
|
|
* filename: huffdec.h
|
|
* project : ISO/MPEG Decoder
|
|
* author : Martin Sieler
|
|
* date : 1998-05-26
|
|
* contents/description: main hufman decoding - HEADER
|
|
*
|
|
*
|
|
\***************************************************************************/
|
|
|
|
/*
|
|
* $Date: 2010/11/17 20:46:02 $
|
|
* $Id: huffdec.h,v 1.1 2010/11/17 20:46:02 audiodsp Exp $
|
|
*/
|
|
|
|
#ifndef __HUFFDEC_H__
|
|
#define __HUFFDEC_H__
|
|
|
|
/* ------------------------ includes --------------------------------------*/
|
|
|
|
#include "mpeg.h"
|
|
#include "huffmandecoder.h"
|
|
|
|
/* ------------------------------------------------------------------------*/
|
|
|
|
//
|
|
// MPEG Layer-3 huffman decoding class.
|
|
//
|
|
// This class is derived from a CHuffmanDecoder object. In addition to
|
|
// the CHuffmanDecoder object, this object calculates the number of
|
|
// spectral lines in the big value area, the number of spectral lines in the
|
|
// count-one area and the region boundaries within the big value area from
|
|
// an MPEG Layer-3 bitstream sideinfo.
|
|
//
|
|
|
|
class CMp3Huffman : protected CHuffmanDecoder
|
|
{
|
|
public:
|
|
CMp3Huffman() {}
|
|
~CMp3Huffman() {}
|
|
|
|
void Read
|
|
(
|
|
CBitStream &Bs, // where to read from
|
|
int *pISpectrum, // pointer to spectrum
|
|
MP3SI_GRCH &SiGrCh, // side info (granule/channel)
|
|
const MPEG_INFO &Info // mpeg info
|
|
);
|
|
};
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
#endif
|