/// <summary>
/// Starts or resumes the current utterance.
/// </summary>
public void Play()
{
if (!Ready)
{
return;
}
_client.Play();
}
public async void Speak(string text)
{
TtsClient speaker = new TtsClient();
if (speaker.CurrentState == State.Created)
{
await Prepare(speaker);
}
if (speaker.CurrentState == State.Ready)
{
speaker.AddText(text, speaker.DefaultVoice.Language, (int)speaker.DefaultVoice.VoiceType, speaker.GetSpeedRange().Normal);
speaker.Play();
}
}
public async Task SpeakAsync(string text, SpeechOptions options, CancellationToken cancelToken = default)
{
await Initialize();
if (tcsUtterances?.Task != null)
{
await tcsUtterances.Task;
}
tcsUtterances = new TaskCompletionSource <bool>();
if (cancelToken != null)
{
cancelToken.Register(() =>
{
tts?.Stop();
tcsUtterances?.TrySetResult(true);
});
}
var language = "en_US";
var voiceType = Voice.Auto;
if (options?.Locale.Language != null)
{
foreach (var voice in tts.GetSupportedVoices())
{
if (voice.Language == options.Locale.Language)
{
language = voice.Language;
voiceType = voice.VoiceType;
}
}
}
var pitch = 0;
if (options?.Pitch.HasValue ?? false)
{
pitch = (int)Math.Round(options.Pitch.Value / PitchMax * tts.GetSpeedRange().Max, MidpointRounding.AwayFromZero);
}
tts.AddText(text, language, (int)voiceType, pitch);
tts.Play();
await tcsUtterances.Task;
}
/// <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 = 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");
}
try
{
await semaphore.WaitAsync(cancelToken);
ttsInst.AddText(text, crossLocale.Value.Language, 0, 0);
ttsInst.Play();
}
catch (Exception ex)
{
Console.Write(ex.Message);
}
finally
{
semaphore.Release();
}
}