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/*
* audio_out.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.
*
* 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
*/
typedef struct ao_instance_s ao_instance_t;
struct ao_instance_s {
int (* setup) (ao_instance_t * instance, int sample_rate, int * flags,
sample_t * level, sample_t * bias);
int (* play) (ao_instance_t * instance, int flags, sample_t * samples);
void (* close) (ao_instance_t * instance);
};
typedef ao_instance_t * ao_open_t (void);
typedef struct ao_driver_s {
char * name;
ao_open_t * open;
} ao_driver_t;
/* return NULL terminated array of all drivers */
ao_driver_t * ao_drivers (void);
static inline ao_instance_t * ao_open (ao_open_t * open)
{
return open ();
}
static inline int ao_setup (ao_instance_t * instance, int sample_rate,
int * flags, sample_t * level, sample_t * bias)
{
return instance->setup (instance, sample_rate, flags, level, bias);
}
static inline int ao_play (ao_instance_t * instance, int flags,
sample_t * samples)
{
return instance->play (instance, flags, samples);
}
static inline void ao_close (ao_instance_t * instance)
{
if (instance->close)
instance->close (instance);
}
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