tencent cloud

APIs

SearchMediaBySemantics

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最終更新日: 2026-04-01 10:57:39

1. API Description

Domain name for API request: vod.intl.tencentcloudapi.com.

This API is used to conduct semantic search on media using natural language.

A maximum of 20 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: SearchMediaBySemantics.
Version Yes String Common Params. The value used for this API: 2018-07-17.
Region No String Common Params. This parameter is not required.
SubAppId Yes Integer

Video-on-demand (VOD) application ID. For customers who activate on-demand services from December 25, 2023, they must fill this field with the application ID when accessing resources in on-demand applications (whether it's the default application or a newly created application).

Text Yes String

Search content

Limit No Integer

Number of returned records. The default value is 20.

Value ranges from 1 to 100.

Categories.N No Array of String

File type. Match any element in the collection:

  • Video: video file
  • Audio: audio file
  • Image: image file
  • Tags.N No Array of String

    Tag set, match any element in the collection.

    Input parameter limit: single tag length limited to 32 characters. Array length limit: 16.

    Persons.N No Array of String

    Figure collection, matching video clips where all imported figures appear.

    Input limit: Array length limit: 16.

    TaskTypes.N No Array of String

    Task type to search. Optional values:

    • AiAnalysis.DescriptionTask
    • SmartSubtitle.AsrFullTextTask

    3. Output Parameters

    Parameter Name Type Description
    SearchResults Array of SemanticsSearchResult

    Media list.

    RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

    4. Example

    Input Example

    POST / HTTP/1.1
    Host: vod.intl.tencentcloudapi.com
    Content-Type: application/json
    X-TC-Action: SearchMediaBySemantics
    <Common request parameters>
    
    {
        "SubAppId": 1500035838,
        "Text": "A seaside video with sunset"
    }
    

    Output Example

    {
        "Response": {
            "RequestId": "1e7aa7b9-0f92-4fbb-9ca2-6aebdfb31543",
            "SearchResults": [
                {
                    "EndTimeOffset": 159.07,
                    "FileId": "966263618841114024",
                    "Score": 0.58276,
                    "StartTimeOffset": 109.908
                },
                {
                    "EndTimeOffset": 109.708,
                    "FileId": "966263618841114024",
                    "Score": 0.58201,
                    "StartTimeOffset": 83.141
                },
                {
                    "EndTimeOffset": 82.741,
                    "FileId": "966263618841114024",
                    "Score": 0.46496,
                    "StartTimeOffset": 10.222
                }
            ]
        }
    }
    

    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

    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
    InternalError Internal error.
    ResourceNotFound.UserNotExist The user does not exist.

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