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/*
* a52.h
* Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
*
* This file is part of a52dec, a free ATSC A-52 stream decoder.
* See http://liba52.sourceforge.net/ for updates.
*
* Modified for use with MPlayer, changes contained in liba52_changes.diff.
* detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/
* $Id$
*
* a52dec 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 of the License, or
* (at your option) any later version.
*
* a52dec 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef A52_H
#define A52_H
#ifndef LIBA52_DOUBLE
typedef float sample_t;
#else
typedef double sample_t;
#endif
typedef struct a52_state_s a52_state_t;
#define A52_CHANNEL 0
#define A52_MONO 1
#define A52_STEREO 2
#define A52_3F 3
#define A52_2F1R 4
#define A52_3F1R 5
#define A52_2F2R 6
#define A52_3F2R 7
#define A52_CHANNEL1 8
#define A52_CHANNEL2 9
#define A52_DOLBY 10
#define A52_CHANNEL_MASK 15
#define A52_LFE 16
#define A52_ADJUST_LEVEL 32
a52_state_t * a52_init (uint32_t mm_accel);
sample_t * a52_samples (a52_state_t * state);
int a52_syncinfo (uint8_t * buf, int * flags,
int * sample_rate, int * bit_rate);
int a52_frame (a52_state_t * state, uint8_t * buf, int * flags,
sample_t * level, sample_t bias);
void a52_dynrng (a52_state_t * state,
sample_t (* call) (sample_t, void *), void * data);
int a52_block (a52_state_t * state);
void a52_free (a52_state_t * state);
void* a52_resample_init(uint32_t mm_accel,int flags,int chans);
extern int (* a52_resample) (float * _f, int16_t * s16);
uint16_t crc16_block(uint8_t *data,uint32_t num_bytes);
#endif /* A52_H */
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