DescribeLiveStreamMerge - - Alibaba Cloud Documentation Center

Invoke DescribeLiveStreamMerge to query the primary-standby stream merging configuration.

Operation description

You can call this operation up to 100 times per second per account. Requests that exceed this limit are dropped and you will experience service interruptions. We recommend that you take note of this limit when you call this operation.

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
live:DescribeLiveStreamMerge	get	Domain `acs:cdn::{#accountId}:domain/{#DomainName}`	none	none

Request parameters

Parameter	Type	Required	Description	Example
DomainName	string	Yes	The streaming domain.	example.com
AppName	string	No	The name of the application that generates the output stream. You can view the application name on the Primary/Secondary Stream Mixing Settings page of the ApsaraVideo Live console.	app
StreamName	string	No	The name of the output stream. You can view the stream name on the Primary/Secondary Stream Mixing Settings page of the ApsaraVideo Live console.	StreamName
Protocol	string	No	The streaming protocol. Valid values: rtmp: This is the default value. rtc	rtmp

Response parameters

Parameter	Type	Description	Example
	object
LiveStreamMergeList	array<object>	Live stream information list.
LiveStreamMerge	object	Live streaming information list.
AppName	string	The name of the application that generates the output stream.	app
AppUsing	string	The application that is being used.	app1
DomainName	string	The streaming domain.	example.com
EndTime	string	The end time of the stream mixing.	2020-05-29T01:00:00Z
ExtraInAppStreams	string	The names of the applications that generate the input additional streams other than the primary stream and secondary stream, and the names of these additional streams.	app3/stream3,app4/stream4,app5/stream5,…,appN/streamN
InAppName1	string	The name of the application that generates the input primary stream.	app1
InAppName2	string	The name of the application that generates the input secondary stream.	app2
InStreamName1	string	The name of the input primary stream.	InStream1
InStreamName2	string	The name of the input secondary stream.	stream2
Protocol	string	The streaming protocol.	rtmp
StartTime	string	The start time of the stream mixing.	2020-05-29T00:00:00Z
StreamName	string	The name of the output stream.	StreamName
StreamUsing	string	The stream that is being used.	InStream1
RequestId	string	The ID of the request.	16A96B9A-F203-4EC5-8E43-CB92E68F4CD8

Examples

Sample success responses

JSONformat

{
  "LiveStreamMergeList": {
    "LiveStreamMerge": [
      {
        "AppName": "app",
        "AppUsing": "app1",
        "DomainName": "example.com",
        "EndTime": "2020-05-29T01:00:00Z",
        "ExtraInAppStreams": "app3/stream3,app4/stream4,app5/stream5,…,appN/streamN",
        "InAppName1": "app1",
        "InAppName2": "app2",
        "InStreamName1": "InStream1",
        "InStreamName2": "stream2",
        "Protocol": "rtmp",
        "StartTime": "2020-05-29T00:00:00Z",
        "StreamName": "StreamName",
        "StreamUsing": "InStream1"
      }
    ]
  },
  "RequestId": "16A96B9A-F203-4EC5-8E43-CB92E68F4CD8"
}

Error codes

HTTP status code	Error code	Error message	Description
400	InvalidParam	Parameter invalid.	Illegal input parameters
400	QuotaExceeded.Merge	Exceed max merge count limit	-
400	ConfigAlreadyExists	Config has already exist.	-
500	InternalError	The request processing has failed due to backend service exception.	-

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