tencent cloud

APIs

DescribeFileAttributes

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Terakhir diperbarui: 2026-09-18 18:10:34

1. API Description

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

Used to asynchronously get file attributes.
-Currently only support getting the Md5 and Sha1 of the source file.
-For HLS or DASH input files, only get the attributes of the index file.

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: DescribeFileAttributes.
Version Yes String Common Params. The value used for this API: 2018-07-17.
Region No String Common Params. This parameter is not required.
FileId Yes String Media file ID
SubAppId No Integer VOD application ID. For customers who activate VOD after December 25, 2023, this field must be set to the app ID when accessing resources in VOD applications (whether the default application or a newly created application).
SessionId No String An identifier for deduplication. If there has been a request with the same identifier within the past three days, an error will be returned for the current request. The maximum length is 50 characters. Leaving it blank or using a null string indicates no deduplication is required.
SessionContext No String Source context, which is used to pass through the user request information. The callback for task flow status changes will return the value of this field. The maximum length is 1,000 characters.
TasksPriority No Integer Task priority. The higher the value, the higher the priority. The value range is from -10 to 10. If left blank, the default value is 0.
ExtInfo No String Reserved field, used for special purposes.

3. Output Parameters

Parameter Name Type Description
TaskId String Task ID.
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

Example1 Initiate a media file attribute retrieval task

Initiate a media file attribute retrieval task for the file with FileId 5285485487985271487.

Input Example

POST / HTTP/1.1
Host: vod.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeFileAttributes
<Common request parameters>

{
    "FileId": "5285485487985271487"
}

Output Example

{
    "Response": {
        "RequestId": "6ca31e3a-6b8e-4b4e-9256-fdc700064ef3",
        "TaskId": "125xxx65-DescribeFileAttributes-bffb15f07530b57bc1aabb01fac74bca"
    }
}

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
FailedOperation Operation failed.
FailedOperation.InvalidVodUser The VOD service is not activated.
FailedOperation.TaskDuplicate Operation failed: duplicate task.
InternalError Internal error.
InternalError.GetFileInfoError Internal error: media file info error.
InvalidParameter Parameter error.
InvalidParameterValue Parameter value error.
InvalidParameterValue.FileId FileId does not exist.
InvalidParameterValue.SessionContextTooLong SessionContext is too long.
InvalidParameterValue.SessionId Duplicate recognition code. Request deduplicated.
InvalidParameterValue.SessionIdTooLong SessionId is too long.
InvalidParameterValue.SubAppId Parameter value error: app ID.
UnauthorizedOperation Unauthorized operation.

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