mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
2.0 KiB
65 lines
2.0 KiB
23 years ago
|
/*
|
||
|
|
* 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);
|
||
|
|
}
|