ListDNAFiles - Intelligent Media Services - Alibaba Cloud Documentation Center

Queries a list of files in a media fingerprint library.

Operation description

You can call this operation to query files in a media fingerprint library based on the library ID. The queried results can be paginated.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
ice:ListDNAFiles		All Resources ``	none	none

Request parameters

Parameter	Type	Required	Description	Example
NextPageToken	string	No	The pagination token that is used in the next request to retrieve a new page of results. You do not need to specify this parameter for the first request. You must specify the token that is obtained from the previous query as the value of NextToken.	ae0fd49c0840e14daf0d66a75b83****
PageSize	integer	No	The number of entries per page. Default value: 20. Valid values: 1 to 100.	10
DBId	string	Yes	The ID of the media fingerprint library.	2288c6ca184c0e47098a5b665e2a12****

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The request ID.	2AE89FA5-E620-56C7-9B80-75D09757385A
NextPageToken	string	A pagination token. It can be used in the next request to retrieve a new page of results.	ae0fd49c0840e14daf0d66a75b83****
FileList	array<object>	The queried files.
DNAFile	object	The queried file.
PrimaryKey	string	The primary key of the file.	ae0fd49c0840e14daf0d66a75b83****
InputFile	object	The Object Storage Service (OSS) information about the input file.
Object	string	The name of the OSS object that is used as the input file.	example-****.mp4
Location	string	The OSS region in which the input file resides.	oss-cn-beijing
Bucket	string	The name of the OSS bucket in which the input file is stored.	example-bucket

Examples

Sample success responses

JSONformat

{
  "RequestId": "2AE89FA5-E620-56C7-9B80-75D09757385A",
  "NextPageToken": "ae0fd49c0840e14daf0d66a75b83****",
  "FileList": [
    {
      "PrimaryKey": "ae0fd49c0840e14daf0d66a75b83****",
      "InputFile": {
        "Object": "example-****.mp4",
        "Location": "oss-cn-beijing",
        "Bucket": "example-bucket"
      }
    }
  ]
}

Error codes

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation
2023-05-25	The internal configuration of the API is changed, but the call is not affected	View Change Details