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/*
* spd_audio_plugin.h -- The SPD Audio Plugin Header
*
* Copyright (C) 2004 Brailcom, o.p.s.
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1, or (at your option) any later
* version.
*
* This software 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 Lesser General Public License
* along with this package; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
*/
#ifndef __SPD_AUDIO_PLUGIN_H
#define __SPD_AUDIO_PLUGIN_H
#define SPD_AUDIO_PLUGIN_ENTRY_STR "spd_audio_plugin_get"
/* *INDENT-OFF* */
#ifdef __cplusplus
extern "C" {
#endif
/* *INDENT-ON* */
typedef enum { SPD_AUDIO_LE, SPD_AUDIO_BE } AudioFormat;
typedef struct {
int bits;
int num_channels;
int sample_rate;
int num_samples;
signed short *samples;
} AudioTrack;
struct spd_audio_plugin;
typedef struct {
int volume;
AudioFormat format;
struct spd_audio_plugin const *function;
void *private_data;
int working;
} AudioID;
typedef struct spd_audio_plugin {
const char *name;
AudioID *(*open) (void **pars);
int (*play) (AudioID * id, AudioTrack track);
int (*stop) (AudioID * id);
int (*close) (AudioID * id);
int (*set_volume) (AudioID * id, int);
void (*set_loglevel) (int level);
char const *(*get_playcmd) (void);
} spd_audio_plugin_t;
/* *INDENT-OFF* */
#ifdef __cplusplus
}
#endif /* __cplusplus */
/* *INDENT-ON* */
#endif /* ifndef #__SPD_AUDIO_PLUGIN_H */
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