/// <summary>
/// Speak back text
/// </summary>
/// <param name="text">Text to speak</param>
/// <param name="crossLocale">Locale of voice</param>
/// <param name="pitch">Pitch of voice</param>
/// <param name="speakRate">Speak Rate of voice (All) (0.0 - 2.0f)</param>
/// <param name="volume">Volume of voice (0.0-1.0)</param>
/// <param name="cancelToken">Canelation token to stop speak</param>
/// <exception cref="ArgumentNullException">Thrown if text is null</exception>
/// <exception cref="ArgumentException">Thrown if text length is greater than maximum allowed</exception>
public async Task Speak(string text, CrossLocale?crossLocale = null, float?pitch = null, float?speakRate = null, float?volume = null, CancellationToken cancelToken = default(CancellationToken))
{
if (text == null)
{
throw new ArgumentNullException(nameof(text), "Text can not be null");
}
var tcs = new TaskCompletionSource <object>();
var handler = new EventHandler((sender, args) => tcs.TrySetResult(null));
try
{
await semaphore.WaitAsync(cancelToken);
void OnCancel()
{
speechSynthesizer.StopSpeaking();
tcs.TrySetCanceled();
}
using (cancelToken.Register(OnCancel))
{
if (volume.HasValue)
{
speechSynthesizer.Volume = NormalizeVolume(volume);
}
if (speakRate.HasValue)
{
speechSynthesizer.Rate = speakRate.Value;
}
if (crossLocale.HasValue)
{
speechSynthesizer.Voice = crossLocale.Value.Language;
}
sdelegate.FinishedSpeaking += handler;
speechSynthesizer.StartSpeakingString(text);
await tcs.Task;
}
}
finally
{
sdelegate.FinishedSpeaking -= handler;
if (semaphore.CurrentCount == 0)
{
semaphore.Release();
}
}
}
/// <summary>
/// Speak back text
/// </summary>
/// <param name="text">Text to speak</param>
/// <param name="crossLocale">Locale of voice</param>
/// <param name="pitch">Pitch of voice</param>
/// <param name="speakRate">Speak Rate of voice (All) (0.0 - 2.0f)</param>
/// <param name="volume">Volume of voice (iOS/WP) (0.0-1.0)</param>
/// <param name="cancelToken">Canelation token to stop speak</param>
/// <exception cref="ArgumentNullException">Thrown if text is null</exception>
/// <exception cref="ArgumentException">Thrown if text length is greater than maximum allowed</exception>
public async Task Speak(string text, CrossLocale?crossLocale, float?pitch, float?speakRate, float?volume, CancellationToken?cancelToken)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text), "Text can not be null");
}
var tcs = new TaskCompletionSource <object>();
var handler = new EventHandler((sender, args) => tcs.TrySetResult(null));
try
{
var ct = cancelToken ?? CancellationToken.None;
await semaphore.WaitAsync(ct);
using (ct.Register(() =>
{
speechSynthesizer.StopSpeaking();
tcs.TrySetCanceled();
}))
{
speechSynthesizer.Volume = NormalizeVolume(volume);
if (speakRate != null)
{
speechSynthesizer.Rate = speakRate.Value;
}
if (crossLocale != null)
{
speechSynthesizer.Voice = crossLocale.Value.Language;
}
sdelegate.FinishedSpeaking += handler;
speechSynthesizer.StartSpeakingString(text);
await tcs.Task;
}
}
finally
{
semaphore.Release();
sdelegate.FinishedSpeaking -= handler;
}
}
public static void StopSpeaking()
{
speech.StopSpeaking();
}
public override void FinishedLaunching(NSObject notification)
{
// Configure logger
string path = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location), "log4net.config");
XmlConfigurator.ConfigureAndWatch(new FileInfo(path));
logger.Info("Ventriliquest 1.0 Starting up...");
// Get list of available audio out devices
xamspeech ham = new xamspeech();
OutputDevices = ham.GetDevices();
// Setup UI
statusMenu = new NSMenu();
statusItem = NSStatusBar.SystemStatusBar.CreateStatusItem(30);
var outputItem = new NSMenuItem("Output Device",
(a, b) => {
});
var deviceList = new NSMenu();
outputItem.Submenu = deviceList;
OutputDeviceUID = "Built-in Output";
foreach (var entry in OutputDevices)
{
var test = new NSMenuItem(entry.Key.ToString(),
(a, b) => {
foreach (NSMenuItem item in deviceList.ItemArray())
{
item.State = NSCellStateValue.Off;
}
NSMenuItem theItem = (NSMenuItem)a;
theItem.State = NSCellStateValue.On;
config.OutputDevice = theItem.Title;
foreach (var e in OutputDevices)
{
if (e.Key.ToString().Equals(theItem.Title))
{
OutputDeviceUID = e.Value.ToString();
}
}
});
if (entry.Key.ToString().Equals(config.OutputDevice))
{
test.State = NSCellStateValue.On;
OutputDeviceUID = entry.Value.ToString();
}
deviceList.AddItem(test);
}
var daItem = new NSMenuItem("Local Connections Only",
(a, b) => {
NSMenuItem theItem = (NSMenuItem)a;
if (theItem.State == NSCellStateValue.On)
{
config.LocalOnly = false;
theItem.State = NSCellStateValue.Off;
}
else
{
config.LocalOnly = true;
theItem.State = NSCellStateValue.On;
}
});
if (config.LocalOnly)
{
daItem.State = NSCellStateValue.On;
}
var quitItem = new NSMenuItem("Quit",
(a, b) => Shutdown());
var voiceconfigItem = new NSMenuItem("Voice Configuration",
(a, b) => Process.Start("http://127.0.0.1:7888/config"));
statusMenu.AddItem(new NSMenuItem("Version: 1.1"));
statusMenu.AddItem(outputItem);
statusMenu.AddItem(daItem);
statusMenu.AddItem(voiceconfigItem);
statusMenu.AddItem(quitItem);
statusItem.Menu = statusMenu;
statusItem.Image = NSImage.ImageNamed("tts-1.png");
statusItem.AlternateImage = NSImage.ImageNamed("tts-2.png");
statusItem.HighlightMode = true;
speechdelegate.DidComplete += delegate {
synthesis.Set();
};
sounddelegate.DidComplete += delegate {
playback.Set();
IsSounding = false;
IsSpeaking = false;
sound.Dispose();
};
speech.Delegate = speechdelegate;
queuetimer = new System.Timers.Timer(250);
queuetimer.Elapsed += (object sender, ElapsedEventArgs e) => {
TTSRequest r;
if (Queue.TryDequeue(out r))
{
if (r.Interrupt)
{
// stop current TTS
NSApplication.SharedApplication.InvokeOnMainThread(delegate {
if (IsSpeaking)
{
speech.StopSpeaking();
}
if (IsSounding)
{
sound.Stop();
}
});
// clear queue
SpeechQueue.Clear();
}
if (!r.Reset)
{
SpeechQueue.Enqueue(r);
}
RequestCount++;
}
var eventdata = new Hashtable();
eventdata.Add("ProcessedRequests", RequestCount);
eventdata.Add("QueuedRequests", SpeechQueue.Count);
eventdata.Add("IsSpeaking", IsSpeaking);
InstrumentationEvent ev = new InstrumentationEvent();
ev.EventName = "status";
ev.Data = eventdata;
NotifyGui(ev.EventMessage());
};
// when this timer fires, it will pull off of the speech queue and speak it
// the 1000ms delay also adds a little pause between tts requests.
speechtimer = new System.Timers.Timer(250);
speechtimer.Elapsed += (object sender, ElapsedEventArgs e) => {
if (IsSpeaking.Equals(false))
{
if (SpeechQueue.Count > 0)
{
TTSRequest r = SpeechQueue.Dequeue();
IsSpeaking = true;
speechtimer.Enabled = false;
var oink = Path.Combine(audiopath, "temp.aiff");
NSApplication.SharedApplication.InvokeOnMainThread(delegate {
ConfigureSpeechEngine(r);
speech.StartSpeakingStringtoURL(r.Text, new NSUrl(oink, false));
});
synthesis.WaitOne();
NSApplication.SharedApplication.InvokeOnMainThread(delegate {
IsSounding = true;
sound = new NSSound(Path.Combine(audiopath, "temp.aiff"), false);
sound.Delegate = sounddelegate;
//if(OutputDeviceUID != "Default") {
sound.PlaybackDeviceID = OutputDeviceUID;
//}
sound.Play();
});
playback.WaitOne();
IsSounding = false;
speechtimer.Enabled = true;
}
}
};
queuetimer.Enabled = true;
queuetimer.Start();
speechtimer.Enabled = true;
speechtimer.Start();
InitHTTPServer();
}
partial void btnStopHandler(Foundation.NSObject sender)
{
mSpeechSynth.StopSpeaking(NSSpeechBoundary.hWord);
}