//Static function
static void _remove_if_exists(libconfig::Setting &setting,
const std::string& alias)
{
if(setting.exists(alias))
setting.remove(alias);
}
void output_ao::setup(libconfig::Setting& setting)
{
int channels;
int rate;
int bps;
std::string driver;
if (setting.lookupValue("channels", channels)) {
setting.remove("channels");
format.channels = channels;
}
else {
format.channels = DEFAULT_GLOBAL_CHANNELS;
}
if (setting.lookupValue("rate", rate)) {
setting.remove("rate");
format.rate = rate;
}
else {
format.rate = 44100;
}
if (setting.lookupValue("bps", bps)) {
setting.remove("bps");
format.bits = bps;
}
else {
format.bits = 16;
}
format.byte_format = AO_FMT_LITTLE;
if (setting.lookupValue("driver", driver)) {
setting.remove("driver");
driver = ao_driver_id(driver.c_str());
}
else {
driver = ao_default_driver_id();
}
int length = setting.getLength();
ao_option *current = NULL;
for (int i = 0; i < length; i++) {
libconfig::Setting& s = setting[i];
if (current == NULL) {
current = new ao_option;
options = current;
}
else {
current->next = new ao_option;
}
std::string key = s.getName();
std::string value = s;
current->key = new char[key.size() + 1];
current->value = new char[value.size() + 1];
::strncpy(current->key, key.c_str(), key.size());
::strncpy(current->value, value.c_str(), value.size());
}
}