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Changed control to use events mask. Added subscribe ioctl

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This commit is contained in:
Abramo Bagnara 2001-02-13 21:29:38 +00:00
parent fdacf95e6c
commit b62252dd77
1 changed files with 18 additions and 58 deletions
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76
amixer/amixer.c
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@ -969,27 +969,16 @@ static void events_remove(snd_hctl_elem_t *helem)
printf("\n");
}
static void events_rebuild()
int element_callback(snd_hctl_elem_t *elem, unsigned int mask)
{
printf("event rebuild\n");
}
int element_callback(snd_hctl_elem_t *elem, snd_ctl_event_type_t event)
{
switch (event) {
case SND_CTL_EVENT_INFO:
events_info(elem);
break;
case SND_CTL_EVENT_VALUE:
events_value(elem);
break;
case SND_CTL_EVENT_REMOVE:
if (mask == SND_CTL_EVENT_MASK_REMOVE) {
events_remove(elem);
break;
default:
assert(0);
break;
return 0;
}
if (mask & SND_CTL_EVENT_MASK_INFO)
events_info(elem);
if (mask & SND_CTL_EVENT_MASK_VALUE)
events_value(elem);
return 0;
}
@ -1004,20 +993,11 @@ static void events_add(snd_hctl_elem_t *helem)
snd_hctl_elem_set_callback(helem, element_callback);
}
int ctl_callback(snd_hctl_t *ctl, snd_ctl_event_type_t event,
int ctl_callback(snd_hctl_t *ctl, unsigned int mask,
snd_hctl_elem_t *elem)
{
switch (event) {
case SND_CTL_EVENT_REBUILD:
events_rebuild();
break;
case SND_CTL_EVENT_ADD:
if (mask & SND_CTL_EVENT_MASK_ADD)
events_add(elem);
break;
default:
assert(0);
break;
}
return 0;
}
@ -1066,33 +1046,22 @@ static void sevents_remove(snd_mixer_selem_id_t *sid)
printf("event remove: '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
}
int melem_event(snd_mixer_elem_t *elem, snd_ctl_event_type_t event)
int melem_event(snd_mixer_elem_t *elem, unsigned int mask)
{
snd_mixer_selem_id_t *sid;
snd_mixer_selem_id_alloca(&sid);
snd_mixer_selem_get_id(elem, sid);
switch (event) {
case SND_CTL_EVENT_INFO:
sevents_info(sid);
break;
case SND_CTL_EVENT_VALUE:
sevents_value(sid);
break;
case SND_CTL_EVENT_REMOVE:
if (mask == SND_CTL_EVENT_MASK_REMOVE) {
sevents_remove(sid);
break;
default:
assert(0);
break;
return 0;
}
if (mask & SND_CTL_EVENT_MASK_INFO)
sevents_info(sid);
if (mask & SND_CTL_EVENT_MASK_VALUE)
sevents_value(sid);
return 0;
}
static void sevents_rebuild()
{
printf("event rebuild\n");
}
static void sevents_add(snd_mixer_elem_t *elem)
{
snd_mixer_selem_id_t *sid;
@ -1102,20 +1071,11 @@ static void sevents_add(snd_mixer_elem_t *elem)
snd_mixer_elem_set_callback(elem, melem_event);
}
int mixer_event(snd_mixer_t *mixer, snd_ctl_event_type_t event,
int mixer_event(snd_mixer_t *mixer, unsigned int mask,
snd_mixer_elem_t *elem)
{
switch (event) {
case SND_CTL_EVENT_REBUILD:
sevents_rebuild();
break;
case SND_CTL_EVENT_ADD:
if (mask & SND_CTL_EVENT_MASK_ADD)
sevents_add(elem);
break;
default:
assert(0);
break;
}
return 0;
}