Last updated: 2021-02-01 11:48:10

1. API Description

Domain name for API request:

This API is used to set a processing rule for media files uploaded to the specified directory of a COS bucket, including:

  1. Video transcoding (with watermark);
  2. Animated image generating;
  3. Time point screencapturing;
  4. Sampled screencapturing;
  5. Image sprite generating;
  6. Video conversion to adaptive bitrate streaming;
  7. Intelligent content audit (detection of porn, terrorism, and politically sensitive information);
  8. Intelligent content recognition (face recognition, full text recognition, text keyword recognition, full speech recognition, and speech keyword recognition).

Note: Once successfully created, a workflow is disabled by default and needs to be enabled manually.

A maximum of 200 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common parameter. The value used for this API: CreateWorkflow.
Version Yes String Common parameter. The value used for this API: 2019-06-12.
Region No String Common parameter. This parameter is not required for this API.
WorkflowName Yes String Workflow name of up to 128 characters, which must be unique for the same user.
Trigger Yes WorkflowTrigger Triggering rule bound to a workflow. If an uploaded video hits the rule for the object, the workflow will be triggered.
OutputStorage No TaskOutputStorage Storage location of a video processing output file. If this parameter is left empty, the storage location in Trigger will be inherited.
OutputDir No String Target directory of a video processing output file, such as /movie/201907/. If this parameter is left empty, the file will be outputted to the same directory where the source file is located.
MediaProcessTask No MediaProcessTaskInput Parameter of a video processing task.
AiContentReviewTask No AiContentReviewTaskInput Type parameter of a video content audit task.
AiAnalysisTask No AiAnalysisTaskInput Video content analysis task parameter.
AiRecognitionTask No AiRecognitionTaskInput Type parameter of a video content recognition task.
TaskNotifyConfig No TaskNotifyConfig Event notification configuration for a task. If this parameter is left empty, no event notifications will be obtained.
TaskPriority No Integer Workflow priority. The higher the value, the higher the priority. Value range: [-10, 10]. If this parameter is left empty, 0 will be used.

3. Output Parameters

Parameter Name Type Description
WorkflowId Integer Workflow ID.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Setting a transcoding rule

This example shows you how to set a transcoding rule named "trans-20-30-40" for the TopRankVideo-125xxx88 bucket to output in three formats of 20, 30, and 40.