/// <summary>
/// Synthesizes passed through text as audio and plays speech through the MediaElement first sent through.
/// </summary>
public async Task Read(string text)
{
if (this.textToSpeak.Count < 5)
{
speechTask task = new speechTask(text, false);
this.textToSpeak.Enqueue(task);
} // drop if we have too many text to speak
}
public async Task ProcessSpeechTasksAsync(CancellationToken token)
{
while (!token.IsCancellationRequested) //!cancellationTokenSource.Token.IsCancellationRequested
{
if (mediaElement != null && synthesizer != null && textToSpeak.Count > 0)
{
try
{
semaphore.WaitOne();
speechTask task = textToSpeak.Dequeue();
if (task != null)
{
var stream = task.isSsml ? await synthesizer.SynthesizeSsmlToStreamAsync(task.text) :
await synthesizer.SynthesizeTextToStreamAsync(task.text);
CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
mediaElement.AutoPlay = true;
mediaElement.SetSource(stream, stream.ContentType);
mediaElement.Play();
});
}
}
catch (Exception ex)
{
semaphore.Release();
}
}
else
{
await Task.Delay(TimeSpan.FromSeconds(1), token);
}
}
/* if (mediaElement != null && synthesizer != null)
* {
* var stream = await synthesizer.SynthesizeSsmlToStreamAsync(text);
*
* mediaElement.AutoPlay = true;
* mediaElement.SetSource(stream, stream.ContentType);
* mediaElement.Play();
* }
*/
}
public async Task ReadSsml(string text)
{
speechTask task = new speechTask(text, true);
this.textToSpeak.Enqueue(task);
}
