static void Main(string[] args)
{
AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
voice = new Voice();
commandProcessor = ConfigureCommands().CreateCommandProcessor();
commandProcessor.CommandRecognized += sound.NotifyRecognizedCommandAsync;
commandProcessor.CommandRejected += sound.NotifyUnrecognizedCommandAsync;
Console.WriteLine("Attached PIR-1 devices:");
foreach (var pir in PIRDriver.Instance.QueryAttachedDevices())
Console.WriteLine("\t{0}", pir);
ConfigureLightShow();
Console.WriteLine("Configured LightShow");
var recognizer = GetKinectRecognizer();
using (var sensor = GetKinectSensor())
{
/* Skeleton-based beam control is disabled due to an OOM issue when long running.
var beamController = new SkeletonBasedBeamControl();
beamController.AttentionGestureDetected += delegate(SkeletonBasedBeamControl controller)
{
sound.NotifyAttentionGestureRecognized();
};
beamController.Start(sensor);
*/
sensor.Start();
var source = sensor.AudioSource;
source.AutomaticGainControlEnabled = false;
source.EchoCancellationMode = EchoCancellationMode.None;
source.NoiseSuppression = true;
Console.WriteLine("Using: {0}", recognizer.Name);
using (Stream s = source.Start())
{
SpeechRecognitionEngine sre = null;
var sreLock = new object();
EventHandler<SpeechDetectedEventArgs> SreSpeechDetected = delegate(object sender, SpeechDetectedEventArgs dea) { SpeechDetected(source, dea); };
Action startRecognizer = delegate()
{
SpeechRecognitionEngine oldSre = null;
lock (sreLock)
{
if (sre != null)
{
oldSre = sre;
}
sre = new SpeechRecognitionEngine(recognizer.Id);
sre.UpdateRecognizerSetting("AdaptationOn", 1);
sre.UpdateRecognizerSetting("PersistedBackgroundAdaptation", 1);
sre.LoadGrammar(commandProcessor.CreateGrammar());
sre.SpeechDetected += SreSpeechDetected;
sre.SpeechHypothesized += SreSpeechHypothesized;
sre.SpeechRecognitionRejected += SreSpeechRecognitionRejected;
sre.AudioSignalProblemOccurred += SreAudioSignalProblemOccurred;
sre.EndSilenceTimeoutAmbiguous = TimeSpan.FromMilliseconds(AmbiguousSilenceTimeout);
sre.EndSilenceTimeout = TimeSpan.FromMilliseconds(UnambiguousSilenceTimeout);
sre.SpeechRecognized += delegate(object sender, SpeechRecognizedEventArgs r)
{
Console.WriteLine("Handling text {0} in command processor", r.Result.Text);
try
{
commandProcessor.ProcessSpeech(r.Result);
}
catch (Exception ex)
{
Console.WriteLine("Command handler failed: " + ex.ToString());
voice.SpeakAsync("Failed to execute command. Sorry!");
}
};
sre.SetInputToAudioStream(s,
new SpeechAudioFormatInfo(
EncodingFormat.Pcm, 16000, 16, 1,
32000, 2, null));
sre.RecognizeAsync(RecognizeMode.Multiple);
Trace.TraceInformation("New recognizer started");
if (oldSre != null)
{
oldSre.RecognizeAsyncStop();
oldSre.SpeechDetected -= SreSpeechDetected;
oldSre.SpeechHypothesized -= SreSpeechHypothesized;
oldSre.SpeechRecognitionRejected -= SreSpeechRecognitionRejected;
oldSre.AudioSignalProblemOccurred -= SreAudioSignalProblemOccurred;
oldSre.Dispose();
Trace.TraceInformation("Old recognizer disposed");
}
}
};
var recognizerRecycleTimer = new System.Timers.Timer()
{
AutoReset = false,
Enabled = false,
Interval = RecognizerRecyleTime.TotalMilliseconds,
};
recognizerRecycleTimer.Elapsed += (sender, elapsedEventArgs) =>
{
Trace.TraceInformation("Recycling recognizer...");
startRecognizer();
recognizerRecycleTimer.Start();
Trace.TraceInformation("Done recycling recognizer.");
};
startRecognizer();
Console.WriteLine("Ready.");
voice.SpeakAsync("Ez-ree is now online.");
recognizerRecycleTimer.Start();
Console.ReadLine();
Console.WriteLine("Stopping recognizer ...");
// TODO: poison flag so the recycle timer doesn't get in the way
lock (sreLock)
{
sre.RecognizeAsyncStop();
sre.Dispose();
}
// beamController.Stop();
}
}
}