private static UtteranceSynthesisRequest MakeRequest(string text, string model)
{
UtteranceSynthesisRequest utteranceRequest = new UtteranceSynthesisRequest
{
Model = model,
Text = text,
OutputAudioSpec = new AudioFormatOptions
{
/* RawAudio = new RawAudio
* {
* AudioEncoding = RawAudio.Types.AudioEncoding.Linear16Pcm,
* SampleRateHertz = 22050
* }*/
ContainerAudio = new ContainerAudio
{
ContainerAudioType = ContainerAudio.Types.ContainerAudioType.Wav
}
}
};
return(utteranceRequest);
}
private async void SynthesizeTxtBuffer(string text, string model)
{
UtteranceSynthesisRequest request = MakeRequest(text, model);
// request.Hints.Add(new Hints() { Voice = "kuznetsov_male" });
Metadata callHeaders = this.MakeMetadata();
callHeaders.Add("x-folder-id", this.FolderId);
CancellationTokenSource cancellationSource = new CancellationTokenSource();
var call = synthesizerClient.UtteranceSynthesis(request, headers: callHeaders,
deadline: DateTime.UtcNow.AddMinutes(5));
log.Information($"synthizing: {text}");
var respEnum = call.ResponseStream.ReadAllAsync(cancellationSource.Token).GetAsyncEnumerator();
try
{
ValueTaskAwaiter <bool> tsk = respEnum.MoveNextAsync().GetAwaiter();
tsk.OnCompleted(() =>
{
if (respEnum.Current != null)
{
byte[] data = respEnum.Current.AudioChunk.Data.ToByteArray();
TextToSpeachResultsRecieved?.Invoke(this, AudioDataEventArgs.FromByateArray(data, data.Length));
log.Information($"Audio chunk {data.Length} bytes recieved.");
}
else
{
log.Warning("No data in response");
}
});
while (!tsk.IsCompleted)
{
Thread.Sleep(200);
}
return;
}
catch (Exception ex)
{
log.Error(ex.Message);
}
finally
{
if (respEnum != null)
{
await respEnum.DisposeAsync();
}
/* IAsyncEnumerator<UtteranceSynthesisResponse> respEnum = respEnumerable.GetAsyncEnumerator();
*
* while (!respEnum.MoveNextAsync().GetAwaiter().IsCompleted)
* {
* Thread.Sleep(200);
* }
*
* byte[] data = respEnum.Current.AudioChunk.Data.ToByteArray();
* TextToSpeachResultsRecieved?.Invoke(this, AudioDataEventArgs.FromByateArray(data,
* data.Length));
*
* await respEnum.DisposeAsync();
* call.Dispose();*/
}
}
