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william |
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/* |
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* a52.h |
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* Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org> |
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* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> |
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* |
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* This file is part of a52dec, a free ATSC A-52 stream decoder. |
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* See http://liba52.sourceforge.net/ for updates. |
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* |
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* a52dec is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* a52dec is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#ifndef A52_H |
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#define A52_H |
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#ifndef LIBA52_DOUBLE |
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typedef float sample_t; |
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#else |
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typedef double sample_t; |
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#endif |
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typedef struct a52_state_s a52_state_t; |
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#define A52_CHANNEL 0 |
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#define A52_MONO 1 |
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#define A52_STEREO 2 |
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#define A52_3F 3 |
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#define A52_2F1R 4 |
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#define A52_3F1R 5 |
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#define A52_2F2R 6 |
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#define A52_3F2R 7 |
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#define A52_CHANNEL1 8 |
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#define A52_CHANNEL2 9 |
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#define A52_DOLBY 10 |
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#define A52_CHANNEL_MASK 15 |
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#define A52_LFE 16 |
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#define A52_ADJUST_LEVEL 32 |
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a52_state_t * a52_init (uint32_t mm_accel); |
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sample_t * a52_samples (a52_state_t * state); |
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int a52_syncinfo (uint8_t * buf, int * flags, |
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int * sample_rate, int * bit_rate); |
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int a52_frame (a52_state_t * state, uint8_t * buf, int * flags, |
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sample_t * level, sample_t bias); |
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void a52_dynrng (a52_state_t * state, |
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sample_t (* call) (sample_t, void *), void * data); |
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int a52_block (a52_state_t * state); |
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void a52_free (a52_state_t * state); |
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#endif /* A52_H */ |
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