public BotSpeechClient(SynthesisProperties properties)
{
bingSpeech = new BingSpeech();
bingSpeech.OnAudioAvailable += Cortana_OnAudioAvailable;
bingSpeech.OnError += Cortana_OnError;
Properties = properties;
Validate(properties);
}
private void Validate(SynthesisProperties properties)
{
if (!string.IsNullOrEmpty(properties.VoiceName))
{
if (!properties.VoiceName.Contains(properties.Locale))
{
throw new Exception("Voicename has different Locale than the speech client");
}
}
}
/// <summary>
/// Sends the specified text to be spoken to the TTS service and saves the response audio to a file.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>A Task</returns>
internal Task Speak(Activity activity, CancellationToken cancellationToken, SynthesisProperties inputOptions)
{
var activityConverter = new ActivityConverter(inputOptions);
client.DefaultRequestHeaders.Clear();
foreach (var header in inputOptions.GetHeaders())
{
client.DefaultRequestHeaders.TryAddWithoutValidation(header.Key, header.Value);
}
var genderValue = inputOptions.Gender.ToString();
var request = new HttpRequestMessage(HttpMethod.Post, new Uri(inputOptions.SpeechUri))
{
Content = new StringContent(activityConverter.ToSsml(activity))
};
var httpTask = client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
Console.WriteLine("Response status code: [{0}]", httpTask.Result.StatusCode);
var saveTask = httpTask.ContinueWith(
async(responseMessage, token) =>
{
try
{
if (responseMessage.IsCompleted && responseMessage.Result != null && responseMessage.Result.IsSuccessStatusCode)
{
var httpStream = await responseMessage.Result.Content.ReadAsStreamAsync().ConfigureAwait(false);
AudioAvailable(new DataEventArgs <Stream>(httpStream));
}
else
{
Error(new DataEventArgs <Exception>(new Exception(String.Format("Service returned {0}", responseMessage.Result.StatusCode))));
}
}
catch (Exception e)
{
Error(new DataEventArgs <Exception>(e.GetBaseException()));
}
finally
{
responseMessage.Dispose();
request.Dispose();
}
},
TaskContinuationOptions.AttachedToParent,
cancellationToken);
return(saveTask);
}
public ActivityConverter(SynthesisProperties properties)
{
this.properties = properties;
}