/* * a52.h * Copyright (C) 2000-2002 Michel Lespinasse * Copyright (C) 1999-2000 Aaron Holtzman * * This file is part of a52dec, a free ATSC A-52 stream decoder. * See http://liba52.sourceforge.net/ for updates. * * 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); #endif /* A52_H */