static int set_mute(struct action_event *event) {
const char *value = upnp_get_string(event, "DesiredMute");
service_lock();
const int do_mute = atoi(value);
set_mute_toggle(do_mute);
change_var_and_notify(event, CONTROL_VAR_MUTE, do_mute ? "1" : "0");
service_unlock();
return 0;
}
static int set_volume(struct action_event *event) {
const char *volume = upnp_get_string(event, "DesiredVolume");
service_lock();
int volume_level = atoi(volume); // range 0..100
if (volume_level < volume_range.min) volume_level = volume_range.min;
if (volume_level > volume_range.max) volume_level = volume_range.max;
const float decibel = volume_level_to_decibel(volume_level);
char db_volume[10];
snprintf(db_volume, sizeof(db_volume), "%d", (int) (256 * decibel));
const double fraction = exp(decibel / 20 * log(10));
fprintf(stderr, "Setting volume to #%d = %.2fdb (%.4f)\n",
volume_level, decibel, fraction);
change_volume_and_notify(event, volume, db_volume);
output_set_volume(fraction);
set_mute_toggle(volume_level == 0);
service_unlock();
return 0;
}
static int set_volume(struct action_event *event) {
const char *volume = upnp_get_string(event, "DesiredVolume");
service_lock();
int volume_level = atoi(volume); // range 0..100
if (volume_level < volume_range.min) volume_level = volume_range.min;
if (volume_level > volume_range.max) volume_level = volume_range.max;
const float decibel = volume_level_to_decibel(volume_level);
char db_volume[10];
snprintf(db_volume, sizeof(db_volume), "%d", (int) (256 * decibel));
Log_info("control", "Setting %d volume-db to %d" , volume_level,(int)decibel);
const double fraction = exp(decibel / 20 * log(10));
change_volume(volume, db_volume);
output_set_volume(fraction, volume_level);
set_mute_toggle(volume_level == 0);
service_unlock();
return 0;
}
