quakeforge/include/QF/plugin/snd_output.h

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/*
QF/plugin/sound.h
Sound Output plugin data types
Copyright (C) 2001 Jeff Teunissen <deek@quakeforge.net>
This program 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.
This program 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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifndef __QF_plugin_snd_output_h
#define __QF_plugin_snd_output_h
#include <QF/plugin.h>
#include <QF/qtypes.h>
struct snd_s;
typedef struct snd_output_funcs_s {
int (*init) (struct snd_s *snd);
void (*shutdown) (struct snd_s *snd);
int (*get_dma_pos) (struct snd_s *snd);
void (*submit) (struct snd_s *snd);
void (*on_update) (struct snd_s *snd);
void (*block_sound) (struct snd_s *snd);
void (*unblock_sound) (struct snd_s *snd);
} snd_output_funcs_t;
typedef enum {
som_push, // synchronous io (mixer pushes data to driver)
som_pull, // asynchronous io (driver pulls data from mixer)
} snd_output_model_t;
typedef struct snd_output_data_s {
unsigned *soundtime;
unsigned *paintedtime;
snd_output_model_t model;
} snd_output_data_t;
#endif // __QF_plugin_snd_output_h