decode.h

ac3的解码程序

/* 
 *  decode.h
 *
 *	Copyright (C) Aaron Holtzman - May 1999
 *
 *  This file is part of ac3dec, a free Dolby AC-3 stream decoder.
 *	
 *  ac3dec is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *   
 *  ac3dec is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *   
 *  You should have received a copy of the GNU General Public License
 *  along with GNU Make; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
 *
 */
#ifdef DO_NIST
#include <athread.hh>
#include <fstream.h>
#include <iostream.h>
#include <sys/sem.h>
#include <error.hh>
#include <debug.hh>
#include <util.hh>

#include <sync.hh>
#include <mpeg2const.hh>
#include <mpeg2buff.hh>
#include <mpeg2audio.hh>

extern Synchronization *s;
extern AudioStream *inputstream;
#endif

typedef struct stream_coeffs_s
{
	float fbw[5][256];
	float lfe[256];
} stream_coeffs_t;

typedef struct stream_samples_s
{
	float channel[6][512];
} stream_samples_t;

#define DECODE_MAGIC_NUMBER 0xdeadbeef

void decode_sanity_check_init(void);
void decode_sanity_check(void);