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More control/mixer API updates.

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Added highlevel control layer.
Recoded simple control mixer API.
This commit is contained in:
Jaroslav Kysela 2000-07-28 20:21:12 +00:00
parent 72fa3cc203
commit f5d6fdeba8
8 changed files with 797 additions and 277 deletions
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25
src/mixer/mixer_local.h
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@ -28,10 +28,33 @@ typedef int (mixer_simple_get_t) (snd_mixer_t *handle, mixer_simple_t *simple, s
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);
#define MIXER_PRESENT_GLOBAL_SWITCH (1<<0)
#define MIXER_PRESENT_GLOBAL_VOLUME (1<<1)
#define MIXER_PRESENT_PLAYBACK_SWITCH (1<<2)
#define MIXER_PRESENT_PLAYBACK_VOLUME (1<<3)
#define MIXER_PRESENT_CAPTURE_SWITCH (1<<4)
#define MIXER_PRESENT_CAPTURE_VOLUME (1<<5)
#define MIXER_PRESENT_CAPTURE_SOURCE (1<<6)
struct mixer_simple {
/* this may be moved to a private area */
unsigned int present; /* present controls */
unsigned int gswitch_values;
unsigned int pswitch_values;
unsigned int cswitch_values;
unsigned int gvolume_values;
unsigned int pvolume_values;
unsigned int cvolume_values;
unsigned int ccapture_values;
unsigned int capture_item;
unsigned int caps;
long min;
long max;
int voices;
/* -- */
int refs; /* number of references */
int change; /* simple control was changed */
snd_mixer_sid_t id;
snd_mixer_sid_t sid;
mixer_simple_get_t *get;
mixer_simple_put_t *put;
mixer_simple_event_t *event;