Updates the thumbnail of a media file.
Operation description
You can call this operation to update only the thumbnail of a media file. For more information about how to update all the information about a media file, see UpdateMedia .
Limits on QPS
You can call this operation up to 100 times per second. If the number of calls per second exceeds the limit, throttling is triggered. As a result, your business may be affected. We recommend that you take note of the limit when you call this operation. For more information, see QPS limits.
Debugging
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 Resourcesis 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 |
|---|---|---|---|---|
| mts:UpdateMediaCover | update |
|
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| MediaId | string | Yes | The ID of the media file whose thumbnail you want to update. To obtain the ID of a media file, you can call the AddMedia operation. Alternatively, perform the following operations in the ApsaraVideo Media Processing (MPS) console: In the left-side navigation pane, choose Media Management > Media List. Find the required video and click Manage. The ID of the video is displayed on the Basics tab. | 6cc3aa66d1cb4bb2adf14e726c0a**** |
| CoverURL | string | No | The URL of the thumbnail that you want to specify for the media file. The URL complies with RFC 2396 and is encoded in UTF-8. The URL can be up to 3,200 bytes in length. Note
To obtain the thumbnail URL, you can find the image in the Object Storage Service (OSS) bucket and click the image to view details. In the View Details panel, copy the part before the question mark (?) from the URL field. You can enter only an HTTP URL.
| http://example-bucket-****.oss-cn-hangzhou.aliyuncs.com//example-****.mp4 |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "0DC39B9E-13D4-40BA-AE76-CFF9BD64239D"
}Error codes
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|