3 * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
4 * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
6 * This file is part of a52dec, a free ATSC A-52 stream decoder.
7 * See http://liba52.sourceforge.net/ for updates.
9 * a52dec is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * a52dec is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 typedef struct ao_instance_s ao_instance_t;
26 struct ao_instance_s {
27 int (* setup) (ao_instance_t * instance, int sample_rate, int * flags,
28 sample_t * level, sample_t * bias);
29 int (* play) (ao_instance_t * instance, int flags, sample_t * samples);
30 void (* close) (ao_instance_t * instance);
33 typedef ao_instance_t * ao_open_t (void);
35 typedef struct ao_driver_s {
40 /* return NULL terminated array of all drivers */
41 ao_driver_t * ao_drivers (void);
43 static inline ao_instance_t * ao_open (ao_open_t * open)
48 static inline int ao_setup (ao_instance_t * instance, int sample_rate,
49 int * flags, sample_t * level, sample_t * bias)
51 return instance->setup (instance, sample_rate, flags, level, bias);
54 static inline int ao_play (ao_instance_t * instance, int flags,
57 return instance->play (instance, flags, samples);
60 static inline void ao_close (ao_instance_t * instance)
63 instance->close (instance);