DescribeShowList - ApsaraVideo Live - Alibaba Cloud Documentation Center

Usage notes

You cannot call this operation if the episode list is empty. For information about how to add episodes to the episode list, see AddShowIntoShowList.

QPS limit

You can call this operation up to 10 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

DescribeShowList

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

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 ID/Name column.

Response parameters

Parameter	Type	Example	Description
RequestId	String	16A96B9A-F203-4EC5-8E43-CB92E68F4CD8	The request ID.
ShowList	String	ShowList[Show1, Show2, Show3...]	Details of the episode list. Show indicates the information about a specific episode. For more information, see the Show parameter.
ShowListInfo	Object		The information about the episode list.
CurrentShowId	String	a2b8e671-2fe5-4642-a2ec-bf93880e****	The ID of the episode that is playing.
Background	String	{\"MaterialId\":\"a2b8e671-2fe5-4642-a2ec-bf93880e****\",\"resourceType\":\"VOD\"}	The background of the episode list.
HighPriorityShowId	String	a2b8e671-2fe5-4642-a2ec-bf93880e****	The episode of the highest priority. Note You can configure this parameter only before the episode list starts playing.
HighPriorityShowStartTime	String	2021-11-23T12:30:00	The time at which the episode of the highest priority is played. Format: yyyy-MM-dd'T'HH:mm:ss. Note You can configure this parameter only before the episode list starts playing. After you configure this parameter, when the specified point in time is reached, any episode that is playing stops and the episode of the highest priority in the episode list starts to play.
ShowList	Array of Show		The episodes in the episode list.
Show
Duration	Long	20	The duration of the episode. Unit: seconds.
RepeatTimes	Integer	5	The number of times the episode repeats after the first playback is complete. For example, if you set the value to 0, the episode is to be played once. If you set the value to 1, the episode is to be played twice.
ResourceInfo	Object		The resource information.
LiveInputType	Integer	1	The custom type label.
ResourceId	String	a2b8e671-2fe5-4642-a2ec-bf93880e****	The ID of the video-on-demand (VOD) file.
ResourceType	String	vod	The type of the resource.
ResourceUrl	String	http:///atestObject.m3u8	The URL of the resource.
ShowId	String	a2b8e671-2fe5-4642-a2ec-bf93880e****	The ID of the episode.
ShowName	String	liveShow****	The name of the episode.
ShowListRepeatTimes	Integer	0	The number of additional times the episode list is played by default. The value is 0.
TotalShowListRepeatTimes	Integer	1	The number of times the episode list is played.

Examples

Sample requests

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

Sample success responses

XML format

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

<DescribeShowListResponse>
    <RequestId>16A96B9A-F203-4EC5-8E43-CB92E68F4CD8</RequestId>
    <ShowList>ShowList[Show1, Show2, Show3...]</ShowList>
    <ShowListInfo>
        <CurrentShowId>a2b8e671-2fe5-4642-a2ec-bf93880e****</CurrentShowId>
        <Background>{\"MaterialId\":\"a2b8e671-2fe5-4642-a2ec-bf93880e****\",\"resourceType\":\"VOD\"}</Background>
        <HighPriorityShowId>a2b8e671-2fe5-4642-a2ec-bf93880e****</HighPriorityShowId>
        <HighPriorityShowStartTime>2021-11-23T12:30:00</HighPriorityShowStartTime>
        <ShowList>
            <Duration>20</Duration>
            <RepeatTimes>5</RepeatTimes>
            <ResourceInfo>
                <LiveInputType>1</LiveInputType>
                <ResourceId>a2b8e671-2fe5-4642-a2ec-bf93880e****</ResourceId>
                <ResourceType>vod</ResourceType>
                <ResourceUrl>http://**/atestObject**.m3u8</ResourceUrl>
            </ResourceInfo>
            <ShowId>a2b8e671-2fe5-4642-a2ec-bf93880e****</ShowId>
            <ShowName>liveShow****</ShowName>
        </ShowList>
        <ShowListRepeatTimes>0</ShowListRepeatTimes>
        <TotalShowListRepeatTimes>1</TotalShowListRepeatTimes>
    </ShowListInfo>
</DescribeShowListResponse>

JSON format

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

{
  "RequestId" : "16A96B9A-F203-4EC5-8E43-CB92E68F4CD8",
  "ShowList" : "ShowList[Show1, Show2, Show3...]",
  "ShowListInfo" : {
    "CurrentShowId" : "a2b8e671-2fe5-4642-a2ec-bf93880e****",
    "Background" : "{\\\"MaterialId\\\":\\\"a2b8e671-2fe5-4642-a2ec-bf93880e****\\\",\\\"resourceType\\\":\\\"VOD\\\"}",
    "HighPriorityShowId" : "a2b8e671-2fe5-4642-a2ec-bf93880e****",
    "HighPriorityShowStartTime" : "2021-11-23T12:30:00",
    "ShowList" : [ {
      "Duration" : 20,
      "RepeatTimes" : 5,
      "ResourceInfo" : {
        "LiveInputType" : 1,
        "ResourceId" : "a2b8e671-2fe5-4642-a2ec-bf93880e****",
        "ResourceType" : "vod",
        "ResourceUrl" : "http://**/atestObject**.m3u8"
      },
      "ShowId" : "a2b8e671-2fe5-4642-a2ec-bf93880e****",
      "ShowName" : "liveShow****"
    } ],
    "ShowListRepeatTimes" : 0,
    "TotalShowListRepeatTimes" : 1
  }
}

Error codes

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

Sample code

 public static DefaultAcsClient initClient(String accessKeyId, String accessKeySecret) throws ClientException {
        String regionId = "cn-shanghai";  
        DefaultProfile profile = DefaultProfile.getProfile(regionId, accessKeyId, accessKeySecret);
        DefaultAcsClient client = new DefaultAcsClient(profile);
        return client;
    }
private static CommonResponse describeShowList(DefaultAcsClient client, String casterId) throws ClientException {
        CommonRequest describeShowListRequest = new CommonRequest();
        describeShowListRequest.setSysDomain("live.aliyuncs.com");
        describeShowListRequest.setSysVersion("2016-11-01");
        describeShowListRequest.setSysAction("DescribeShowList");
        if (casterId != null) {
            describeShowListRequest.putQueryParameter("CasterId", casterId);
        }
        CommonResponse describeShowListRequestResponse = client.getCommonResponse(describeShowListRequest);
        System.out.println("The episode list is queried. Response: " + JSON.toJSONString(describeShowListRequestResponse));
        return describeShowListRequestResponse;
    }
public void describeShowList() throws ClientException {
        DefaultAcsClient client = initClient(ACCESS_KEY_ID, ACCESS_KEY_SECRET);
        CommonResponse describeShowListResponse = describeShowList(client, testCasterId);
        String data = describeShowListResponse.getData();
        JSONObject jsonObject = JSON.parseObject(data);
        JSONObject showList = jsonObject.getJSONObject("ShowList");
        JSONArray shows = showList.getJSONArray("Shows");
        // Parse the information about the episode list.
        for (int i = 0; i < shows.size(); i++) {
            JSONObject show = (JSONObject) shows.get(i);
            String showId = show.getString("ShowId");
            String resourceType = show.getString("ResourceType");
            String resourceInfo = show.getString("ResourceInfo");
            Integer repeatTimes = show.getInteger("RepeatTimes");
            Long duration = show.getLong("Duration");
            String showInfo = String.format("show%d: showId: %s \n resourceType: %s  \n  resourceInfo: %s \n RepeatTimes: %d \n Duration: %d",
                    i + 1, showId, resourceType, resourceInfo, repeatTimes, duration);
            System.out.println(showInfo);
        }
    }