private async Task <int> ProcessLabels(ILambdaContext context, string jobId)
{
int success = 0; //success
GetPersonTrackingResponse response = null;
do
{
GetPersonTrackingRequest request = new GetPersonTrackingRequest
{
JobId = jobId,
MaxResults = MaxResults,
NextToken = response?.NextToken,
SortBy = PersonTrackingSortBy.TIMESTAMP
};
response = await this.rekClient.GetPersonTrackingAsync(request).ConfigureAwait(false);
//more than one person detected
if (response.Persons.Any(x => x.Person.Index != 0))
{
success = 1;
break;
}
//video brightness is low
if (response.Persons.Any(x => x.Person.Face?.Quality.Brightness < 50.0f))
{
success = 2;
break;
}
//instructor is not clear in the video
if (response.Persons.Any(x => x.Person.Face?.Confidence < 50))
{
success = 3;
break;
}
//facial expressions are acceptable
if (response.Persons.Any(x => x.Person.Face != null && x.Person.Face.Emotions.Any(y => invalidEmotions.Contains(y.Type))))
{
success = 4;
break;
}
} while (response?.NextToken != null);
return(success);
}
//private readonly List<EmotionName> invalidEmotions = new List<EmotionName>
//{
// EmotionName.SAD, EmotionName.SURPRISED, EmotionName.ANGRY, EmotionName.CONFUSED, EmotionName.DISGUSTED,
// EmotionName.UNKNOWN
//};
private async Task <bool> ProcessLabels(ILambdaContext context, string jobId)
{
bool success = true;
GetPersonTrackingResponse response = null;
do
{
GetPersonTrackingRequest request = new GetPersonTrackingRequest
{
JobId = jobId,
MaxResults = MaxResults,
NextToken = response?.NextToken,
SortBy = PersonTrackingSortBy.TIMESTAMP
};
response = await this.rekClient.GetPersonTrackingAsync(request).ConfigureAwait(false);
//more than one person detected
if (response.Persons.Any(x => x.Person.Index != 0))
{
success = false;
break;
}
if (response.Persons.Any(x => x.Person.Face?.Quality.Brightness < 50.0f || x.Person.Face?.Quality.Sharpness < 50.0f))
{
success = false;
break;
}
if (response.Persons.Any(x => x.Person.Face?.Confidence < 50))
{
success = false;
break;
}
//if(response.Persons.Any(x => x.Person.Face?.Emotions.Any(y => invalidEmotions.Contains(y.Type))))
} while (response?.NextToken != null);
return(success);
}
/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
GetPersonTrackingResponse response = new GetPersonTrackingResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.TestExpression("JobStatus", targetDepth))
{
var unmarshaller = StringUnmarshaller.Instance;
response.JobStatus = unmarshaller.Unmarshall(context);
continue;
}
if (context.TestExpression("NextToken", targetDepth))
{
var unmarshaller = StringUnmarshaller.Instance;
response.NextToken = unmarshaller.Unmarshall(context);
continue;
}
if (context.TestExpression("Persons", targetDepth))
{
var unmarshaller = new ListUnmarshaller <PersonDetection, PersonDetectionUnmarshaller>(PersonDetectionUnmarshaller.Instance);
response.Persons = unmarshaller.Unmarshall(context);
continue;
}
if (context.TestExpression("StatusMessage", targetDepth))
{
var unmarshaller = StringUnmarshaller.Instance;
response.StatusMessage = unmarshaller.Unmarshall(context);
continue;
}
if (context.TestExpression("VideoMetadata", targetDepth))
{
var unmarshaller = VideoMetadataUnmarshaller.Instance;
response.VideoMetadata = unmarshaller.Unmarshall(context);
continue;
}
}
return(response);
}
