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Removed old mixer API functions.

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Added simple control layer (experimental).
This commit is contained in:
Jaroslav Kysela 2000-07-15 10:20:32 +00:00
parent 3c9755bb7e
commit 273d115de0
11 changed files with 807 additions and 883 deletions
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54
src/mixer/mixer_local.h Normal file
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/*
* Mixer Interface - local header file
* Copyright (c) 2000 by Jaroslav Kysela <perex@suse.cz>
*
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <assert.h>
#include "asoundlib.h"
typedef struct mixer_simple mixer_simple_t;
typedef int (mixer_simple_get_t) (snd_mixer_t *handle, mixer_simple_t *simple, snd_mixer_simple_control_t *control);
typedef int (mixer_simple_put_t) (snd_mixer_t *handle, mixer_simple_t *simple, snd_mixer_simple_control_t *control);
typedef int (mixer_simple_event_t) (snd_mixer_t *handle, snd_ctl_event_type_t etype, snd_control_id_t *id);
struct mixer_simple {
int refs; /* number of references */
int change; /* simple control was changed */
snd_mixer_sid_t id;
mixer_simple_get_t *get;
mixer_simple_put_t *put;
mixer_simple_event_t *event;
mixer_simple_t *prev;
mixer_simple_t *next;
unsigned long private_value;
};
struct snd_mixer {
snd_ctl_t *ctl_handle;
int simple_valid;
int simple_count;
int simple_changes; /* total number of changes */
mixer_simple_t *simple_first;
mixer_simple_t *simple_last;
snd_mixer_simple_callbacks_t *callbacks;
};
int snd_mixer_simple_build(snd_mixer_t *handle);
int snd_mixer_simple_destroy(snd_mixer_t *handle);