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Starts asynchronous detection of labels in a stored video.
Amazon Rekognition Video can detect labels in a video. Labels are instances of real-world entities. This includes objects like flower, tree, and table; events like wedding, graduation, and birthday party; concepts like landscape, evening, and nature; and activities like a person getting out of a car or a person skiing.
The video must be stored in an Amazon S3 bucket. Use Video to specify the bucket
name and the filename of the video.
StartLabelDetection returns a job
JobId) which you use to get the results of the operation.
When label detection is finished, Amazon Rekognition Video publishes a completion
status to the Amazon Simple Notification Service topic that you specify in
To get the results of the label detection operation, first check that the status value
published to the Amazon SNS topic is
SUCCEEDED. If so, call and pass
the job identifier (
JobId) from the initial call to
For .NET Core and PCL this operation is only available in asynchronous form. Please refer to StartLabelDetectionAsync.
public virtual StartLabelDetectionResponse StartLabelDetection( StartLabelDetectionRequest request )
Container for the necessary parameters to execute the StartLabelDetection service method.
|AccessDeniedException||You are not authorized to perform the action.|
|IdempotentParameterMismatchException||A ClientRequestToken input parameter was reused with an operation, but at least one of the other input parameters is different from the previous call to the operation.|
|InternalServerErrorException||Amazon Rekognition experienced a service issue. Try your call again.|
|InvalidParameterException||Input parameter violated a constraint. Validate your parameter before calling the API operation again.|
|InvalidS3ObjectException||Amazon Rekognition is unable to access the S3 object specified in the request.|
|LimitExceededException||An Amazon Rekognition service limit was exceeded. For example, if you start too many Amazon Rekognition Video jobs concurrently, calls to start operations (StartLabelDetection, for example) will raise a LimitExceededException exception (HTTP status code: 400) until the number of concurrently running jobs is below the Amazon Rekognition service limit.|
|ProvisionedThroughputExceededException||The number of requests exceeded your throughput limit. If you want to increase this limit, contact Amazon Rekognition.|
|ThrottlingException||Amazon Rekognition is temporarily unable to process the request. Try your call again.|
|VideoTooLargeException||The file size or duration of the supplied media is too large. The maximum file size is 8GB. The maximum duration is 2 hours.|
Supported in: 4.5, 4.0, 3.5
Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms