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02ff875cd6
on_update is for pull-model outpput targets to do periodic synchronous checks (eg, checking that the connection to the actual output device is still alive and reviving it if necessary)
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/*
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QF/plugin/sound.h
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Sound Output plugin data types
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Copyright (C) 2001 Jeff Teunissen <deek@quakeforge.net>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef __QF_plugin_snd_output_h
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#define __QF_plugin_snd_output_h
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#include <QF/plugin.h>
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#include <QF/qtypes.h>
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struct snd_s;
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typedef struct snd_output_funcs_s {
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int (*init) (struct snd_s *snd);
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void (*shutdown) (struct snd_s *snd);
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int (*get_dma_pos) (struct snd_s *snd);
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void (*submit) (struct snd_s *snd);
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void (*on_update) (struct snd_s *snd);
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void (*block_sound) (struct snd_s *snd);
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void (*unblock_sound) (struct snd_s *snd);
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} snd_output_funcs_t;
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typedef enum {
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som_push, // synchronous io (mixer pushes data to driver)
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som_pull, // asynchronous io (driver pulls data from mixer)
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} snd_output_model_t;
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typedef struct snd_output_data_s {
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unsigned *soundtime;
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unsigned *paintedtime;
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snd_output_model_t model;
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} snd_output_data_t;
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#endif // __QF_plugin_snd_output_h
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