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Added sort & compare functions to the mixer API.

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This commit is contained in:
Jaroslav Kysela 2001-02-12 13:29:33 +00:00
parent 955b9fc335
commit 6f3b01b79c
7 changed files with 160 additions and 63 deletions
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7
src/mixer/mixer_local.h
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@ -41,6 +41,10 @@ typedef struct list_head *bag_iterator_t;
#define bag_iterator_entry(i) (list_entry((i), bag1_t, list)->ptr)
#define bag_for_each(pos, next, bag) list_for_each(pos, next, bag)
#define MIXER_COMPARE_WEIGHT_SIMPLE_BASE 0
#define MIXER_COMPARE_WEIGHT_NEXT_BASE 10000000
#define MIXER_COMPARE_WEIGHT_NOT_FOUND 1000000000
struct _snd_mixer_class {
struct list_head list;
snd_mixer_t *mixer;
@ -48,6 +52,7 @@ struct _snd_mixer_class {
snd_hctl_elem_t *helem, snd_mixer_elem_t *melem);
void *private_data;
void (*private_free)(snd_mixer_class_t *class);
snd_mixer_compare_t compare;
};
struct _snd_mixer_elem {
@ -59,6 +64,7 @@ struct _snd_mixer_elem {
snd_mixer_elem_callback_t callback;
void *callback_private;
bag_t helems;
int compare_weight; /* compare weight (reversed) */
};
struct _snd_mixer {
@ -69,6 +75,7 @@ struct _snd_mixer {
unsigned int events;
snd_mixer_callback_t callback;
void *callback_private;
snd_mixer_compare_t compare;
};
struct _snd_mixer_selem_id {