/// <summary>
/// Identify a stream of audio
/// </summary>
/// <param name="stream">Audio buffer to be recognized</param>
/// <param name="serviceClient">Client used in identifying the streamed audio wave</param>
/// <param name="clientId">Client ID</param>
/// <param name="requestId">Request ID</param>
public async Task IdentifyStreamAsync(Stream stream, SpeakerIdentificationServiceClient serviceClient,
Guid clientId, int requestId)
{
try
{
OperationLocation processPollingLocation = await serviceClient.IdentifyAsync(stream, _speakerIds, true).ConfigureAwait(false);
var numberOfPollingRetries = 3;
while (numberOfPollingRetries > 0)
{
await Task.Delay(TimeSpan.FromSeconds(TimeSpanBetweenPollingRetries));
IdentificationOperation identificationResponse = await serviceClient.CheckIdentificationStatusAsync(processPollingLocation);
if (identificationResponse.Status == Status.Succeeded)
{
var result = new RecognitionResult(identificationResponse.ProcessingResult, clientId,
requestId);
_resultCallback(result);
break;
}
if (identificationResponse.Status == Status.Failed)
{
var failureResult = new RecognitionResult(false, identificationResponse.Message, requestId);
_resultCallback(failureResult);
return;
}
numberOfPollingRetries--;
}
if (numberOfPollingRetries <= 0)
{
var failureResult = new RecognitionResult(false, "Request timeout.", requestId);
_resultCallback(failureResult);
}
}
catch (Exception ex)
{
var result = new RecognitionResult(false, ex.Message, requestId);
_resultCallback(result);
}
}
private static string GetSpeakerName(RecognitionResult currentResult)
{
var person = "Unknown";
var s = currentResult.Value.IdentifiedProfileId.ToString();
if (s.Contains("1aef1c90-8936-49ed-aaf0-0b4843f5f95b"))
{
person = "Judith";
}
else if (s.Contains("5d68a5aa-4426-4c4b-b8f9-2de573492dcb"))
{
person = "Leo";
}
else if (s.Contains("7af47c2c-7165-4cbc-997a-b3f8fc5bbbbb"))
{
person = "Meeting Messenger Bot";
}
return(person);
}
private void WriteResults(RecognitionResult recognitionResult)
{
_recognitionResults.Add(recognitionResult);
if (!recognitionResult.Succeeded)
{
WriteLine("Request " + recognitionResult.RequestId + " error message: " +
recognitionResult.FailureMsg);
return;
}
var identificationResult = recognitionResult.Value;
WriteLine(identificationResult.IdentifiedProfileId == Guid.Empty
? "Unknown"
: identificationResult.IdentifiedProfileId.ToString());
WriteLine(identificationResult.Confidence.ToString());
WriteLine(recognitionResult.RequestId.ToString());
var result = identificationResult.IdentifiedProfileId == Guid.Empty
? "Unknown"
: identificationResult.IdentifiedProfileId.ToString();
WriteLine("Request " + recognitionResult.RequestId + ": Profile id: " + result);
}
