private async Task ProcessTranscribe(string bucket, string key)
{
Settings settings = new Settings();
settings.ShowSpeakerLabels = true;
settings.MaxSpeakerLabels = 2;
settings.VocabularyName = "Vocab";
Media media = new Media();
media.MediaFileUri = string.Format("https://s3.us-east-2.amazonaws.com/{0}/{1}", bucket, key);
CancellationToken token = new CancellationToken();
StartTranscriptionJobRequest startRequest = new StartTranscriptionJobRequest();
startRequest.LanguageCode = LanguageCode.EnUS;
startRequest.Settings = settings;
startRequest.Media = media;
startRequest.MediaFormat = MediaFormat.Mp3;
startRequest.TranscriptionJobName = Guid.NewGuid().ToString();
StartTranscriptionJobResponse response = await transClient.StartTranscriptionJobAsync(startRequest, token);
GetTranscriptionJobRequest request = new GetTranscriptionJobRequest();
request.TranscriptionJobName = startRequest.TranscriptionJobName;
bool isComplete = false;
while (!isComplete)
{
GetTranscriptionJobResponse response2 = await transClient.GetTranscriptionJobAsync(request);
if (response2.TranscriptionJob.TranscriptionJobStatus == TranscriptionJobStatus.COMPLETED)
{
//we need to DL the file to S3
isComplete = true;
WriteFileToS3(response2.TranscriptionJob.Transcript.TranscriptFileUri, startRequest.TranscriptionJobName);
}
else if (response2.TranscriptionJob.TranscriptionJobStatus == TranscriptionJobStatus.FAILED)
{
isComplete = true;
//need to log the error.
}
else
{
System.Threading.Thread.Sleep(5000);//wait 5 seconds and check again
//not done yet
}
}
}
/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
StartTranscriptionJobResponse response = new StartTranscriptionJobResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.TestExpression("TranscriptionJob", targetDepth))
{
var unmarshaller = TranscriptionJobUnmarshaller.Instance;
response.TranscriptionJob = unmarshaller.Unmarshall(context);
continue;
}
}
return(response);
}
public string GetTranscriptURL()
{
string result = string.Empty;
try
{
AmazonTranscribeServiceClient client = new AmazonTranscribeServiceClient(ConfigurationManager.AppSettings["AmazonAccessKey"],
ConfigurationManager.AppSettings["AmazonSecretAccessKey"],
RegionEndpoint.EUWest1);
if (client != null)
{
string url = String.Format(ConfigurationManager.AppSettings["AmazonBucketURL"],
ConfigurationManager.AppSettings["AmazonBucketName"],
keyName);
Media media = new Media();
StartTranscriptionJobResponse transcriptionJobResponse = null;
GetTranscriptionJobResponse checkJob = null;
media.MediaFileUri = url;
StartTranscriptionJobRequest transcriptionJobRequest = new StartTranscriptionJobRequest();
string name = Guid.NewGuid().ToString();
transcriptionJobRequest.TranscriptionJobName = name;
transcriptionJobRequest.MediaFormat = "wav";
transcriptionJobRequest.Media = media;
transcriptionJobRequest.LanguageCode = "en-US";
GetTranscriptionJobRequest getTranscriptionJobRequest = new GetTranscriptionJobRequest();
getTranscriptionJobRequest.TranscriptionJobName = name;
bool finished = false;
transcriptionJobResponse = client.StartTranscriptionJob(transcriptionJobRequest);
while (!finished)
{
checkJob = client.GetTranscriptionJob(getTranscriptionJobRequest);
if (checkJob != null)
{
if (!checkJob.TranscriptionJob.TranscriptionJobStatus.Value.Contains("IN_PROGRESS"))
{
finished = true;
}
Thread.Sleep(1000);
}
}
result = checkJob.TranscriptionJob.Transcript.TranscriptFileUri;
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
return(result);
}
public async static Task <string> TranscribeDemo(IAmazonTranscribeService transcribeClient, string lauguageCode, string mediaUri)
{
string result = null;
Media media = new Media()
{
MediaFileUri = mediaUri
};
StartTranscriptionJobRequest transcriptionRequest = new StartTranscriptionJobRequest()
{
TranscriptionJobName = DateTime.Now.Millisecond.ToString(),
Media = media,
MediaFormat = MediaFormat.Wav.ToString(),
LanguageCode = lauguageCode,
OutputBucketName = "reinvent-indiamazones"
};
try
{
Task <StartTranscriptionJobResponse> transcriptionTask = transcribeClient.StartTranscriptionJobAsync(transcriptionRequest);
StartTranscriptionJobResponse transcriptionResponse = await transcriptionTask;
TranscriptionJob transcriptionJob = transcriptionResponse.TranscriptionJob;
bool loop = true;
while (loop == true)
{
if (transcriptionResponse.TranscriptionJob.TranscriptionJobStatus == TranscriptionJobStatus.IN_PROGRESS)
{
Console.WriteLine(transcriptionResponse.TranscriptionJob.TranscriptionJobName);
Console.WriteLine(transcriptionResponse.TranscriptionJob.TranscriptionJobStatus);
if (transcriptionResponse.TranscriptionJob.Transcript != null)
{
Console.WriteLine(transcriptionResponse.TranscriptionJob.Transcript.TranscriptFileUri);
}
Thread.Sleep(3000);
}
else if (transcriptionResponse.TranscriptionJob.TranscriptionJobStatus == TranscriptionJobStatus.COMPLETED)
{
Console.Write("Transcription job completed.");
DateTime completionTime = transcriptionJob.CompletionTime;
result = transcriptionJob.Transcript.TranscriptFileUri;
loop = false;
}
else
{
Console.WriteLine(transcriptionResponse.TranscriptionJob.TranscriptionJobStatus);
result = string.Empty;
loop = false;
}
}
result = transcriptionResponse.TranscriptionJob.Transcript.TranscriptFileUri;
}
catch (AmazonTranscribeServiceException transcribeException)
{
Console.WriteLine(transcribeException.Message, transcribeException.InnerException);
}
return(result);
}
