All Products
Search
Document Center

ApsaraVideo Live:DescribeCasters

Last Updated:Dec 05, 2024

Queries the list of production studios.

Operation description

You can call the CreateCaster operation to create a production studio and then call this operation to query the production studio list. The status of a production studio can be idle or streaming.

QPS limit

You can call this operation up to 15 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.

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.
OperationAccess levelResource typeCondition keyAssociated operation
live:DescribeCastersget
*Caster
acs:live:*:{#accountId}:caster/{#CasterId}
    none
none

Request parameters

ParameterTypeRequiredDescriptionExample
CasterIdstringNo

The ID of the production studio.

  • If the production studio was created by calling the CreateCaster operation, check the value of the response parameter CasterId to obtain the ID.
  • If the production studio was created by using the ApsaraVideo Live console, obtain the ID on the Production Studio Management page. To go to the page, log on to the ApsaraVideo Live console and click Production Studios in the left-side navigation pane.
Note
  • You can find the ID of the production studio in the Instance ID/Name column.

  • If you leave this parameter empty, the data of all production studios is returned.

LIVEPRODUCER_POST-cn-0pp1czt****
CasterNamestringNo

The name of the production studio.

liveCaster****
StartTimestringNo

The beginning of the time range to query. Specify the time in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC.

2016-06-29T09:00:00Z
EndTimestringNo

The end of the time range to query. Specify the time in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC.

2016-06-29T11:00:00Z
PageNumintegerNo

The number of the page to return.

1
PageSizeintegerNo

The number of templates to return on each page. If you leave this parameter empty, the default value is used. Default value: 100.

100
StatusintegerNo

The status of the production studio. Valid values:

  • 0: idle
  • 1: streaming
0
ChargeTypeintegerNo

The billing method. Valid values:

  • 0: the subscription billing method
  • 1: the pay-as-you-go billing method
0
OrderByModifyAscstringNo

Specifies whether to sort the production studios in ascending order based on the modification time.

Note If you leave this parameter empty, the default value is used. Default value: false.
false
NormTypestringNo

The type of the production studio. Valid values:

  • 1: general mode
  • 3: lightweight carousel playback mode
  • 4: virtual studio
  • 6: playlist mode
1
ResourceGroupIdstringNo

The resource group ID. For more information about resource groups, see Resource groups.

rg-aekzw******
Tagarray<object>No

The tags.

objectNo

The tag.

KeystringNo

The key of the tag.

TestKey
ValuestringNo

The value of the tag.

TestValue

Response parameters

ParameterTypeDescriptionExample
object

The number of production studios.

CasterListarray<object>

The production studios.

Casterobject

The information about the production studio.

CasterIdstring

The ID of the production studio. You can specify the ID in a request to query the streaming URLs of the production studio, start the production studio, add a video resource, a layout, a component, or a playlist to the production studio, or query layouts of the production studio.

LIVEPRODUCER_POST-cn-0pp1czt****
CasterNamestring

The name of the production studio.

liveCaster****
CasterTemplatestring

The resolution in which the production studio plays videos. This parameter is returned if the subscription billing method is used. Valid values:

  • lp_ld: low definition
  • lp_sd: standard definition
  • lp_hd: high definition
  • lp_ud: ultra high definition.
  • lp_ld_v: low definition (portrait mode)
  • lp_sd_v: standard definition (portrait mode)
  • lp_hd_v: high definition (portrait mode)
  • lp_ud_v: ultra high definition (portrait mode)
lp_ld
ChannelEnableinteger

Indicates whether the channel is enabled for the production studio.

  • 0: The channel is disabled.
  • 1: The channel is enabled.
1
ChargeTypestring

The billing method. Valid values:

  • PrePaid: the subscription billing method
  • PostPaid: the pay-as-you-go billing method
PrePaid
CreateTimestring

The time when the production studio was created.

2017-08-30 12:02:57.0
Durationstring

The streaming duration. Format: hh:mm:ss.

1:02:33
ExpireTimestring

The time when the production studio expires.

2018-08-30 12:02:57.0
LastModifiedstring

The time when the production studio was last modified. For example, the time when the production studio was last started, stopped, or modified is returned.

2021-12-01T05:08:45Z
NormTypeinteger

The type of the production studio. Valid values:

  • 0: playlist mode
  • 1: general mode
1
PurchaseTimestring

The time when the production studio was purchased.

2017-08-30 12:02:57.0
StartTimestring

The time when the production studio was started. This parameter is returned if the production studio is in the streaming status.

2017-08-30 18:02:57.0
Statusinteger

The status of the production studio. Valid values:

  • 0: idle
  • 1: streaming
1
ResourceGroupIdinteger

The resource group ID. For more information about resource groups, see Resource groups.

rg-aekzw******
ClientTokenIdstring

The client token that is used to ensure the idempotence of the request.

53200b81-b761-4c10-842a-a0726d97****
Tagsarray<object>

The tags.

tagobject

The tag.

TagKeystring

The key of the tag.

TestKey
TagValuestring

The value of the tag.

TestValue
RequestIdstring

The request ID.

5c6a2a0df228-4a64- af62-20e91b9676b3
Totalinteger

The number of production studios.

1

Examples

Sample success responses

JSONformat

{
  "CasterList": {
    "Caster": [
      {
        "CasterId": "LIVEPRODUCER_POST-cn-0pp1czt****",
        "CasterName": "liveCaster****",
        "CasterTemplate": "lp_ld",
        "ChannelEnable": 1,
        "ChargeType": "PrePaid",
        "CreateTime": "2017-08-30 12:02:57.0",
        "Duration": "1:02:33",
        "ExpireTime": "2018-08-30 12:02:57.0",
        "LastModified": "2021-12-01T05:08:45Z",
        "NormType": 1,
        "PurchaseTime": "2017-08-30 12:02:57.0",
        "StartTime": "2017-08-30 18:02:57.0",
        "Status": 1,
        "ResourceGroupId": 0,
        "ClientTokenId": "53200b81-b761-4c10-842a-a0726d97****\n",
        "Tags": {
          "tag": [
            {
              "TagKey": "TestKey",
              "TagValue": "TestValue"
            }
          ]
        }
      }
    ]
  },
  "RequestId": "5c6a2a0df228-4a64- af62-20e91b9676b3",
  "Total": 1
}

Error codes

HTTP status codeError codeError message
400InvalidUserId.Malformed%s
400MissingParameter%s
400InvalidParameter.Malformed%s
400InvalidParameter.PageSize%s
400InvalidParameter.PageNum%s
400InvalidParameter.Status%s
400InvalidParameter.StartTime%s
400InvalidParameter.EndTime%s
400LiveServiceNotFound%s
403PermissionDenied%s
500InternalError%s

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

Change history

Change timeSummary of changesOperation
2024-09-27The Error code has changed. The request parameters of the API has changed. The response structure of the API has changedView Change Details
2024-08-21The Error code has changed. The request parameters of the API has changed. The response structure of the API has changedView Change Details