Inserts supplemental enhancement information (SEI) to a live stream when the live stream is transcoded.
Operation description
The live stream must be the source stream.
QPS limit
A single user can perform a maximum of 6000 queries per minute. Throttling is triggered when the number of calls per second exceeds the QPS limit. The throttling may affect your business. Thus, we recommend that you observe the QPS limit on this operation. For more information about what a single user means and the QPS details, see QPS limit on an API operation in ApsaraVideo Live.
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 |
|---|---|---|---|---|
| live:AddTrancodeSEI | create | *Domain acs:cdn:*:{#accountId}:domain/{#DomainName} |
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| DomainName | string | Yes | The streaming domain. | example.com |
| AppName | string | Yes | The name of the application to which the live stream belongs. | liveApp**** |
| StreamName | string | Yes | The name of the live stream. Note
The value of this parameter must be the name of the source stream. The SEI is inserted to the live stream when the live stream is transcoded.
| liveStream**** |
| Text | string | Yes | The SEI text. The SEI text can be up to 4,000 bytes in length. | liveSei**** |
| Pattern | string | Yes | Specifies whether to append the SEI to each keyframe or frame. Valid values:
| keyframe |
| Repeat | integer | Yes | The number of times that the SEI is repeatedly inserted. A value of -1 indicates that the SEI is repeatedly inserted for an unlimited number of times until the end of live streaming. | -1 |
| Delay | integer | Yes | The time period after which the SEI is inserted after the request is received. Unit: milliseconds. | 100 |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "16A96B9A-F203-4E*****43-CB92E68F4CD8"
}Error codes
| HTTP status code | Error code | Error message |
|---|---|---|
| 400 | InvalidParameters | %s |
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|