static void getConfigSetting(const PluginSettings &plugin, QVariantMap &setting, const QString &group = QString()) {
QString key = setting.value("key").toString();
if (key.isEmpty()) {
return;
}
if (!group.isEmpty()) {
key.prepend("/");
key.prepend(group);
}
const QString type = setting.value("type").toString();
if (type == "group") {
QVariantList settings = setting.value("settings").toList();
for (int i = 0; i < settings.size(); i++) {
QVariantMap map = settings.at(i).toMap();
getConfigSetting(plugin, map, key);
settings[i] = map;
}
setting["settings"] = settings;
}
else {
setting["value"] = plugin.value(key, setting.value("value"));
}
}
int ALSAMidiDriver::open() {
std::string arg;
unsigned int caps;
if (isOpen)
return -1;
arg = getConfigSetting("alsa_port", ALSA_PORT);
if (parse_addr(arg, &seq_client, &seq_port) < 0) {
perr << "ALSAMidiDriver: Invalid port: " << arg << std::endl;
return -1;
}
if (my_snd_seq_open(&seq_handle)) {
perr << "ALSAMidiDriver: Can't open sequencer" << std::endl;
return -1;
}
isOpen = true;
my_client = snd_seq_client_id(seq_handle);
snd_seq_set_client_name(seq_handle, "PENTAGRAM");
snd_seq_set_client_group(seq_handle, "input");
caps = SND_SEQ_PORT_CAP_READ;
if (seq_client == SND_SEQ_ADDRESS_SUBSCRIBERS)
caps = ~SND_SEQ_PORT_CAP_SUBS_READ;
my_port =
snd_seq_create_simple_port(seq_handle, "PENTAGRAM", caps,
SND_SEQ_PORT_TYPE_MIDI_GENERIC | SND_SEQ_PORT_TYPE_APPLICATION);
if (my_port < 0) {
snd_seq_close(seq_handle);
isOpen = false;
perr << "ALSAMidiDriver: Can't create port" << std::endl;
return -1;
}
if (seq_client != SND_SEQ_ADDRESS_SUBSCRIBERS) {
/* subscribe to MIDI port */
if (snd_seq_connect_to(seq_handle, my_port, seq_client, seq_port) < 0) {
snd_seq_close(seq_handle);
isOpen = false;
perr << "ALSAMidiDriver: "
<< "Can't subscribe to MIDI port (" << seq_client
<< ":" << seq_port << ")" << std::endl;
return -1;
}
}
pout << "ALSA client initialised [" << seq_client << ":"
<< seq_port << "]" << std::endl;
return 0;
}
static QVariantList getConfigSettings(const ServicePluginConfig *config) {
QVariantList settings = config->settings();
if (settings.isEmpty()) {
return settings;
}
PluginSettings plugin(config->id());
for (int i = 0; i < settings.size(); i++) {
QVariantMap setting = settings.at(i).toMap();
getConfigSetting(plugin, setting);
settings[i] = setting;
}
return settings;
}
int FluidSynthMidiDriver::open() {
if (!stereo) {
perr << "FluidSynth only works with Stereo output" << std::endl;
return -1;
}
std::string soundfont = getConfigSetting("soundfont", "");
if (soundfont == "") {
perr << "FluidSynth requires a 'soundfont' setting" << std::endl;
return -2;
}
_settings = new_fluid_settings();
// The default gain setting is ridiculously low, but we can't set it
// too high either or sound will be clipped. This may need tuning...
setNum("synth.gain", 2.1);
setNum("synth.sample-rate", sample_rate);
_synth = new_fluid_synth(_settings);
// In theory, this ought to reduce CPU load... but it doesn't make any
// noticeable difference for me, so disable it for now.
// fluid_synth_set_interp_method(_synth, -1, FLUID_INTERP_LINEAR);
// fluid_synth_set_reverb_on(_synth, 0);
// fluid_synth_set_chorus_on(_synth, 0);
_soundFont = fluid_synth_sfload(_synth, soundfont.c_str(), 1);
if (_soundFont == -1) {
perr << "Failed loading custom sound font '" << soundfont << "'" << std::endl;
return -3;
}
return 0;
}
void
ASSOscClient::onUpdateSettings(dom::NodePtr theSettings) {
AC_INFO << "Reconfiguring osc sender";
ASSDriver::onUpdateSettings(theSettings);
dom::NodePtr mySettings = getASSSettings(theSettings);
int mySourcePort = 0;
getConfigSetting(mySettings, "OscSourcePort", mySourcePort, 3333);
_myReceivers.clear();
dom::NodePtr myReceiversNode = mySettings->childNode("OscReceivers");
if (myReceiversNode) {
unsigned myNumReceivers = myReceiversNode->childNodesLength("OscReceiver");
for (unsigned i = 0; i < myNumReceivers; i++) {
dom::NodePtr myReceiverNode = myReceiversNode->childNode("OscReceiver", i);
std::string myHost = myReceiverNode->getAttributeString("host");
asl::Unsigned16 myPort = myReceiverNode->getAttributeValue<asl::Unsigned16>("port");
AC_INFO << "Sending from port " << mySourcePort << " to " << myHost << ":" << myPort;
ASSOscReceiverPtr myReceiver(new ASSOscReceiver(myHost, mySourcePort, myPort));
if (myReceiverNode->getAttribute("region")) {
asl::Box2f myRegion = myReceiverNode->getAttributeValue<asl::Box2f>("region");
myReceiver->restrictToRegion(myRegion);
}
_myReceivers.push_back(myReceiver);
}
}
}
int FluidSynthMidiDriver::open() {
if (!stereo) {
perr << "FluidSynth only works with Stereo output" << std::endl;
return -1;
}
std::string sfsetting = "fluidsynth_soundfont";
std::vector<std::string> soundfonts;
std::string soundfont;
for (size_t i = 0; i < 10; i++) {
std::string settingkey = sfsetting + static_cast<char>(i + '0');
soundfont = getConfigSetting(settingkey, "");
if (!soundfont.empty())
soundfonts.push_back(soundfont);
}
soundfont = getConfigSetting(sfsetting, "");
if (!soundfont.empty())
soundfonts.push_back(soundfont);
if (soundfonts.empty()) {
perr << "FluidSynth requires a 'fluidsynth_soundfont' setting" << std::endl;
return -2;
}
_settings = new_fluid_settings();
// The default gain setting is ridiculously low, but we can't set it
// too high either or sound will be clipped. This may need tuning...
setNum("synth.gain", 2.1);
setNum("synth.sample-rate", sample_rate);
_synth = new_fluid_synth(_settings);
// In theory, this ought to reduce CPU load... but it doesn't make any
// noticeable difference for me, so disable it for now.
// fluid_synth_set_interp_method(_synth, -1, FLUID_INTERP_LINEAR);
// fluid_synth_set_reverb_on(_synth, 0);
// fluid_synth_set_chorus_on(_synth, 0);
int numloaded = 0;
for (std::vector<std::string>::const_iterator it = soundfonts.begin();
it != soundfonts.end(); ++it)
{
int soundFont = fluid_synth_sfload(_synth, it->c_str(), 1);
if (soundFont == -1) {
perr << "Failed loading custom sound font '" << *it << "'" << std::endl;
} else {
perr << "Loaded custom sound font '" << *it << "'" << std::endl;
_soundFont.push(soundFont);
numloaded++;
}
}
if (numloaded == 0) {
perr << "Failed to load any custom sound fonts; giving up." << std::endl;
return -3;
}
return 0;
}
