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New simple mixer implementation

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This commit is contained in:
Abramo Bagnara 2001-02-15 23:05:41 +00:00
parent 341689606f
commit ab819d2edd
8 changed files with 885 additions and 667 deletions
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25
src/mixer/mixer_local.h
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@ -86,35 +86,14 @@ struct _snd_mixer_selem_id {
unsigned int index;
};
#define CAP_VOLUME (1<<0)
#define CAP_JOIN_VOLUME (1<<1)
#define CAP_MUTE (1<<2)
#define CAP_JOIN_MUTE (1<<3)
#define CAP_CAPTURE (1<<4)
#define CAP_JOIN_CAPTURE (1<<5)
#define CAP_EXCL_CAPTURE (1<<6)
struct _snd_mixer_selem_info {
unsigned int caps; /* capabilities */
unsigned int channels; /* bitmap of active channels */
int capture_group; /* capture group (for exclusive capture) */
long min; /* minimum value */
long max; /* maximum value */
};
struct _snd_mixer_selem_value {
unsigned int mute; /* RW: bitmap of muted channels */
unsigned int capture; /* RW: bitmap of capture channels */
long volume[32];
};
int snd_mixer_class_register(snd_mixer_class_t *class, snd_mixer_t *mixer);
int snd_mixer_add_elem(snd_mixer_t *mixer, snd_mixer_elem_t *elem);
int snd_mixer_remove_elem(snd_mixer_t *mixer, snd_mixer_elem_t *elem);
int snd_mixer_elem_throw_event(snd_mixer_elem_t *elem, unsigned int mask);
int snd_mixer_elem_add(snd_mixer_elem_t *elem, snd_mixer_class_t *class);
int snd_mixer_elem_remove(snd_mixer_elem_t *elem);
int snd_mixer_elem_change(snd_mixer_elem_t *elem);
int snd_mixer_elem_info(snd_mixer_elem_t *elem);
int snd_mixer_elem_value(snd_mixer_elem_t *elem);
int snd_mixer_elem_attach(snd_mixer_elem_t *melem,
snd_hctl_elem_t *helem);
int snd_mixer_elem_detach(snd_mixer_elem_t *melem,