DescribeCasterConfig - ApsaraVideo Live - Alibaba Cloud Documentation Center

Usage notes

You can call the CreateCaster operation to create a production studio and then call this operation to query the configurations of the production studio.

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. For more information, see QPS limits.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter

Type

Required

Example

Description

Action

String

Yes

DescribeCasterConfig

The operation that you want to perform. Set the value to DescribeCasterConfig.

CasterId

String

Yes

LIVEPRODUCER_POST-cn-0pp1czt****

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 Name column.

Response parameters

Parameter	Type	Example	Description
Delay	Float	0	Indicates whether stream delay is enabled. Unit: seconds. Valid values: 0: Stream delay is disabled. A value greater than 0: Stream delay is enabled.
UrgentLiveStreamUrl	String	rtmp://demo.aliyundoc.com	The URL of the standby live stream.
UrgentMaterialId	String	98646538-bcf9-4aef-bd4a-e6bb76588****	The ID of the standby video from the media library.
UrgentImageId	String	a089175eb5f4427684fc0715159a****	The ID of the standby image from the media library.
UrgentImageUrl	String	http://learn.aliyundoc.com/AppName/image.jpg	The URL of the standby image.
CallbackUrl	String	http://learn.aliyundoc.com/callBackLive	The callback URL.
ProgramName	String	program_name	The name of the playlist for carousel playback.
CasterName	String	coco-caster10	The name of the production studio.
CasterId	String	LIVEPRODUCER_POST-cn-0pp1czt****	The ID of the production studio.
ProgramEffect	Integer	0	Indicates whether the carousel playback feature is enabled. Valid values: 0: The carousel playback feature is disabled. 1: The carousel playback feature is enabled.
ChannelEnable	Integer	1	Indicates whether channels are enabled for the production studio. Valid values: 0: Channels are disabled. 1: Channels are enabled.
DomainName	String	example.com	The main streaming domain.
RequestId	String	97df6b7f-3490-47d2-ac50-8833e1b64597	The request ID.
SideOutputUrlList	String	["rtmp://domain/app1/stream1","rtmp://domain/app2/stream2"]	The list of custom stream redirect URLs.
SideOutputUrl	String	rtmp://sophon-developer.aliyundoc.com/caster/4a82a3d1b7f0462ea37348366201**?auth_key=1608953344-0-0-ac8c628078541d7055a170ec59a5**	The custom stream redirect URL.
AutoSwitchUrgentOn	String	true	Indicates whether the production studio automatically switches to the standby resource in case of a stream interruption. true false
AutoSwitchUrgentConfig	String	{"eofThres":3}	The configuration for automatic switchover to the standby resource. The `eofThres` field indicates the duration after which the production studio automatically switches to the standby resource if a stream interruption occurs. Unit: seconds.
TranscodeConfig	Object		The transcoding configuration.
CasterTemplate	String	lp_hd	The transcoding template of the production studio. 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)
LiveTemplateIds	Array of String	lld	The transcoding setting for live streams. Valid values: lsd: standard definition lld: low definition lud: ultra high definition lhd: high-definition adaptive transcoding daobo-lsd: standard definition daobo-lld: low definition daobo-lud: ultra high definition daobo-lhd: high definition
RecordConfig	Object		The recording configuration. If this parameter is empty, the recording feature is disabled.
OssEndpoint	String	oss-cn-shanghai.aliyundoc.com	The Object Storage Service (OSS) endpoint.
OssBucket	String	liveBucket****	The OSS bucket for storage.
OnDemand	Integer	0	Indicates how on-demand recording is configured. Valid values: 0: On-demand recording is disabled. 1: On-demand recording is enabled by using the HTTP callback method. 2: On-demand recording is enabled by parsing the stream ingest parameters. 7: The recording feature is disabled.
RecordFormat	Array of RecordFormat		The recording configuration.
RecordFormat
CycleDuration	Integer	3600	The recording length.
SliceOssObjectPrefix	String	record/{liveApp**}/{liveStream}/{UnixTimestamp**}	The name of the segment.
OssObjectPrefix	String	record/{liveApp**}/{liveStream**}	The name of the recording.
Format	String	M3U8	The recording format.
SyncGroupsConfig	Array of SyncGroup		The storage configuration.
SyncGroup
HostResourceId	String	28768383240243****	The ID of the resource in the production studio.
Mode	Integer	0	The cache mode of the Static Page Caching policy. Valid values: 0: standard mode 1: force mode 2: no cache
ResourceIds	Array of String	1	The IDs of the resources for which you want to modify the resource group. The number of resource IDs is 1 to 50.

Examples

Sample requests

http(s)://live.aliyuncs.com/?Action=DescribeCasterConfig
&CasterId=LIVEPRODUCER_POST-cn-0pp1czt****
&<Common request parameters>

Sample success responses

XML format

HTTP/1.1 200 OK
Content-Type:application/xml

<DescribeCasterConfigResponse>
    <Delay>0</Delay>
    <UrgentLiveStreamUrl>rtmp://demo.aliyundoc.com</UrgentLiveStreamUrl>
    <UrgentMaterialId>98646538-bcf9-4aef-bd4a-e6bb76588****</UrgentMaterialId>
    <UrgentImageId>a089175eb5f4427684fc0715159a****</UrgentImageId>
    <UrgentImageUrl>http://learn.aliyundoc.com/AppName/image.jpg</UrgentImageUrl>
    <CallbackUrl>http://learn.aliyundoc.com/callBackLive</CallbackUrl>
    <ProgramName>program_name</ProgramName>
    <CasterName>coco-caster10</CasterName>
    <CasterId>LIVEPRODUCER_POST-cn-0pp1czt****</CasterId>
    <ProgramEffect>0</ProgramEffect>
    <ChannelEnable>1</ChannelEnable>
    <DomainName>example.com</DomainName>
    <RequestId>97df6b7f-3490-47d2-ac50-8833e1b64597</RequestId>
    <SideOutputUrlList>["rtmp://domain/app1/stream1","rtmp://domain/app2/stream2"]</SideOutputUrlList>
    <SideOutputUrl>rtmp://sophon-developer.aliyundoc.com/caster/4a82a3d1b7f0462ea37348366201****?auth_key=1608953344-0-0-ac8c628078541d7055a170ec59a5****</SideOutputUrl>
    <AutoSwitchUrgentOn>true</AutoSwitchUrgentOn>
    <AutoSwitchUrgentConfig>{"eofThres":3}</AutoSwitchUrgentConfig>
    <TranscodeConfig>
        <CasterTemplate>lp_hd</CasterTemplate>
        <LiveTemplateIds>lld</LiveTemplateIds>
    </TranscodeConfig>
    <RecordConfig>
        <OssEndpoint>oss-cn-shanghai.aliyundoc.com</OssEndpoint>
        <OssBucket>liveBucket****</OssBucket>
        <OnDemand>0</OnDemand>
        <RecordFormat>
            <CycleDuration>3600</CycleDuration>
            <SliceOssObjectPrefix>record/{liveApp****}/{liveStream****}/{UnixTimestamp****}</SliceOssObjectPrefix>
            <OssObjectPrefix>record/{liveApp****}/{liveStream****}</OssObjectPrefix>
            <Format>M3U8</Format>
        </RecordFormat>
    </RecordConfig>
    <SyncGroupsConfig>
        <HostResourceId>28768383240243****</HostResourceId>
        <Mode>0</Mode>
        <ResourceIds>1</ResourceIds>
    </SyncGroupsConfig>
</DescribeCasterConfigResponse>

JSON format

HTTP/1.1 200 OK
Content-Type:application/json

{
  "Delay" : 0,
  "UrgentLiveStreamUrl" : "rtmp://demo.aliyundoc.com",
  "UrgentMaterialId" : "98646538-bcf9-4aef-bd4a-e6bb76588****",
  "UrgentImageId" : "a089175eb5f4427684fc0715159a****",
  "UrgentImageUrl" : "http://learn.aliyundoc.com/AppName/image.jpg",
  "CallbackUrl" : "http://learn.aliyundoc.com/callBackLive",
  "ProgramName" : "program_name",
  "CasterName" : "coco-caster10",
  "CasterId" : "LIVEPRODUCER_POST-cn-0pp1czt****",
  "ProgramEffect" : 0,
  "ChannelEnable" : 1,
  "DomainName" : "example.com",
  "RequestId" : "97df6b7f-3490-47d2-ac50-8833e1b64597",
  "SideOutputUrlList" : "[\"rtmp://domain/app1/stream1\",\"rtmp://domain/app2/stream2\"]",
  "SideOutputUrl" : "rtmp://sophon-developer.aliyundoc.com/caster/4a82a3d1b7f0462ea37348366201****?auth_key=1608953344-0-0-ac8c628078541d7055a170ec59a5****",
  "AutoSwitchUrgentOn" : true,
  "AutoSwitchUrgentConfig" : "{\"eofThres\":3}",
  "TranscodeConfig" : {
    "CasterTemplate" : "lp_hd",
    "LiveTemplateIds" : "lld"
  },
  "RecordConfig" : {
    "OssEndpoint" : "oss-cn-shanghai.aliyundoc.com",
    "OssBucket" : "liveBucket****",
    "OnDemand" : 0,
    "RecordFormat" : {
      "CycleDuration" : 3600,
      "SliceOssObjectPrefix" : "record/{liveApp****}/{liveStream****}/{UnixTimestamp****}",
      "OssObjectPrefix" : "record/{liveApp****}/{liveStream****}",
      "Format" : "M3U8"
    }
  },
  "SyncGroupsConfig" : {
    "HostResourceId" : "28768383240243****",
    "Mode" : 0,
    "ResourceIds" : 1
  }
}

Error codes

For a list of error codes, see Service error codes.