void capability_discoverer::dispatch_capabilities_changed(int wiimote, dolphiimote_callbacks callbacks)
{
dolphiimote_capability_status status = { 0 };
fill_capabilities(status, wiimote_states[wiimote]);
if(callbacks.capabilities_changed)
callbacks.capabilities_changed(wiimote, &status, callbacks.userdata);
}
static int alsa_init (struct output_driver_caps *caps)
{
int err;
if ((err = snd_mixer_open(&mixer_handle, 0)) < 0) {
error ("Can't open ALSA mixer: %s", snd_strerror(err));
mixer_handle = NULL;
}
else if ((err = snd_mixer_attach(mixer_handle,
options_get_str("AlsaDevice"))) < 0) {
snd_mixer_close (mixer_handle);
mixer_handle = NULL;
error ("Can't attach mixer: %s", snd_strerror(err));
}
else if ((err = snd_mixer_selem_register(mixer_handle, NULL, NULL))
< 0) {
snd_mixer_close (mixer_handle);
mixer_handle = NULL;
error ("Can't register mixer: %s", snd_strerror(err));
}
else if ((err = snd_mixer_load(mixer_handle)) < 0) {
snd_mixer_close (mixer_handle);
mixer_handle = NULL;
error ("Can't load mixer: %s", snd_strerror(err));
}
if (mixer_handle) {
mixer_elem1 = alsa_init_mixer_channel (
options_get_str("AlsaMixer"),
&mixer1_min, &mixer1_max);
mixer_elem2 = alsa_init_mixer_channel (
options_get_str("AlsaMixer2"),
&mixer2_min, &mixer2_max);
}
mixer_elem_curr = mixer_elem1 ? mixer_elem1 : mixer_elem2;
if (mixer_elem_curr) {
if (mixer_elem1 && (real_volume1
= alsa_read_mixer_raw(mixer_elem1))
!= -1)
volume1 = scale_volume1 (real_volume1);
else {
mixer_elem1 = NULL;
mixer_elem_curr = mixer_elem2;
}
if (mixer_elem2 && (real_volume2
= alsa_read_mixer_raw(mixer_elem2))
!= -1)
volume2 = scale_volume2 (real_volume2);
else {
mixer_elem2 = NULL;
mixer_elem_curr = mixer_elem1;
}
if (!mixer_elem_curr) {
snd_mixer_close (mixer_handle);
mixer_handle = NULL;
}
}
else if (mixer_handle) {
snd_mixer_close (mixer_handle);
mixer_handle = NULL;
}
return fill_capabilities (caps);
}