snd_mixer_selem_id_t *current_selem_id;
unsigned int current_control_flags;
+bool control_values_changed;
bool controls_changed;
enum channel_mask {
static int elem_callback(snd_mixer_elem_t *elem, unsigned int mask)
{
- unsigned int i;
-
- if (mask & (SND_CTL_EVENT_MASK_REMOVE |
- SND_CTL_EVENT_MASK_INFO |
- SND_CTL_EVENT_MASK_VALUE))
+ if (mask == SND_CTL_EVENT_MASK_REMOVE) {
controls_changed = TRUE;
+ } else {
+ if (mask & SND_CTL_EVENT_MASK_VALUE)
+ control_values_changed = TRUE;
- if (mask & SND_CTL_EVENT_MASK_INFO)
- for (i = 0; i < controls_count; ++i)
- if (controls[i].elem == elem) {
- controls[i].flags &= ~IS_ACTIVE;
- if (snd_mixer_selem_is_active(controls[i].elem))
- controls[i].flags |= IS_ACTIVE;
- }
+ if (mask & SND_CTL_EVENT_MASK_INFO)
+ controls_changed = TRUE;
+ }
return 0;
}