ProcessLiveStream

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Last updated: 2022-05-09 11:32:15

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1. API Description

Domain name for API request: mps.tencentcloudapi.com.

This API is used to initiate live stream processing tasks. Such tasks may include the following:

Intelligent content moderation (detection of pornographic content in images and speech, detection of sensitive information)
Intelligent content recognition (face, full text, text keyword, full speech, and speech keyword)

Live stream processing event notifications are written into specified CMQ queues in real time. Users need to obtain event notification results from such CMQ queues. Output files of the processing tasks are written into destination buckets specified by users.

A maximum of 100 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 Params. The value used for this API: ProcessLiveStream.
Version	Yes	String	Common Params. The value used for this API: 2019-06-12.
Region	No	String	Common Params. This parameter is not required for this API.
Url	Yes	String	Live stream URL, which must be a live stream file address. RTMP, HLS, and FLV are supported.
TaskNotifyConfig	Yes	LiveStreamTaskNotifyConfig	Event notification information of a task, which is used to specify the live stream processing result.
OutputStorage	No	TaskOutputStorage	Target bucket of a live stream processing output file. This parameter is required if a file will be output.
OutputDir	No	String	Target directory of a live stream processing output file, such as `/movie/201909/`. If this parameter is left empty, the `/` directory will be used.
AiContentReviewTask	No	AiContentReviewTaskInput	Type parameter of a video content audit task.
AiRecognitionTask	No	AiRecognitionTaskInput	Type parameter of video content recognition task.
SessionId	No	String	The ID used for deduplication. If there was a request with the same ID in the last seven days, the current request will return an error. The ID can contain up to 50 characters. If this parameter is left empty or an empty string is entered, no deduplication will be performed.
SessionContext	No	String	The source context which is used to pass through the user request information. The task flow status change callback will return the value of this field. It can contain up to 1,000 characters.

3. Output Parameters

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

4. Example

Example1 Initiating a live stream moderation task

This example shows you how to initiate a content recognition task for a live stream whose URL is http://www.abc.com/abc.m3u8.

Input Example

https://mps.tencentcloudapi.com/?Action=ProcessLiveStream
&Url=http://www.abc.com/abc.m3u8
&TaskNotifyConfig.CmqModel=Queue
&TaskNotifyConfig.CmqRegion=gz
&TaskNotifyConfig.QueueName=queue-125717729292
&AiRecognitionTask.Definition=10
&<Common request parameters>

Output Example

{
  "Response": {
    "RequestId": "5ca61e3a-6b8e-4b4e-9256-fdc701190064ef0",
    "TaskId": "125xxxxxx07-live-procedure-813dc41e6fdc22dcf24aa6e9c61cp92"
  }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

Tencent Cloud CLI 3.0

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code	Description
FailedOperation.InvalidMpsUser	Operation failed: unauthorized MPS user.
InternalError	Internal error.
InvalidParameter	Parameter error.
InvalidParameterValue.Definition	Parameter error: Definition.
InvalidParameterValue.Definitions	Parameter error: Definitions.
InvalidParameterValue.SessionId	The deduplication ID already exists. The request is removed due to duplication.

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