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SearchMediaBySemantics

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最后更新时间: 2026-09-18 16:50:30

1. API Description

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

Use natural language to conduct semantic search on media.

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

On-demand application ID. For customers who activate on-demand services from December 25, 2023, this field must be filled in with the app ID to access resources in on-demand applications (whether the default application or a newly created application).

Text Yes String

Content to search

KnowledgeBaseId No String

Knowledge base ID. If left empty, the default knowledge base will be used.

Limit No Integer

Number of returned records. Default value: 20.

Value range: [1, 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 limits: single tag length limited to 32 characters. Array length limit: 16.

    Persons.N No Array of String

    Collection of people, matching recording clips where all incoming people 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 a sunset"
        "KnowledgeBaseId": "kb-**********"
    }

    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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