www.pudn.com > bladeenc-0.90.0-src.zip > l3bitstream.h

/* 
			(c) Copyright 1998, 1999 - Tord Jansson 
			======================================= 
 
		This file is part of the BladeEnc MP3 Encoder, based on 
		ISO's reference code for MPEG Layer 3 compression, and might 
		contain smaller or larger sections that are directly taken 
		from ISO's reference code. 
 
		All changes to the ISO reference code herein are either 
		copyrighted by Tord Jansson (tord.jansson@swipnet.se) 
		or sublicensed to Tord Jansson by a third party. 
 
	BladeEnc is free software; you can redistribute this file 
	and/or modify it under the terms of the GNU Lesser General Public 
	License as published by the Free Software Foundation; either 
	version 2.1 of the License, or (at your option) any later version. 
 
*/ 
 
 
/********************************************************************** 
 * ISO MPEG Audio Subgroup Software Simulation Group (1996) 
 * ISO 13818-3 MPEG-2 Audio Encoder - Lower Sampling Frequency Extension 
 * 
 * $Id: l3bitstream.h,v 1.1 1996/02/14 04:04:23 rowlands Exp $ 
 * 
 * $Log: l3bitstream.h,v $ 
 * Revision 1.1  1996/02/14 04:04:23  rowlands 
 * Initial revision 
 * 
 * Received from Mike Coleman 
 **********************************************************************/ 
 
#ifndef L3_BITSTREAM_H 
#define L3_BITSTREAM_H 
 
 
#include "common.h" 
#include "encoder.h" 
 
void III_format_bitstream( int              bitsPerFrame, 
			   frame_params     *in_fr_ps, 
			   int              l3_enc[2][2][576], 
                           III_side_info_t  *l3_side, 
			   III_scalefac_t   *scalefac, 
			   double           (*xr)[2][576], 
			   char             *ancillary, 
			   int              anc_bits ); 
 
int HuffmanCode( int table_select, int x, int y, unsigned *code, unsigned int *extword, int *codebits, int *extbits ); 
int	HuffmanCode_tj( int table_select, int x, int y ); 
 
 
 
void III_FlushBitstream(); 
 
int abs_and_sign( int *x ); /* returns signx and changes *x to abs(*x) */ 
 
 
void	fixStatic_l3bitstream(); 
 
#endif