AddLiveAIProduceRules - ApsaraVideo Live - Alibaba Cloud Documentation Center

Usage notes

After you call the AddLiveAISubtitle operation to add a subtitle template, you can call this operation to create a subtitle rule for the template.
You must add "_Subtitle template name" after the stream name in the streaming URL to play the subtitle stream.
- RTMP: rtmp://example.aliyundoc.com/app/stream_{Subtitle template name}?auth_key={Access token}
- FLV: http://example.aliyundoc.com/app/stream_{Subtitle template name}.flv?auth_key={Access token}
- M3U8: http://example.aliyundoc.com/app/stream_{Subtitle template name}.m3u8?auth_key={Access token}

Important The live subtitles feature is in invitational preview. You can add up to 300 subtitle templates.

QPS limit

You can call this operation up to 60 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	AddLiveAIProduceRules	The operation that you want to perform. Set the value to AddLiveAIProduceRules.
Domain	String	Yes	demo.aliyundoc.com	The main streaming domain.
App	String	Yes	AppName	The name of the application to which the live stream belongs.
SubtitleName	String	Yes	sub01	The name of the subtitle template.
IsLazy	Boolean	No	true	Specifies whether to trigger the subtitle rule when stream pulling starts. Valid values: true: generates live subtitles when stream pulling starts and stops generating live subtitles when no stream is pulled for 5 minutes. When stream pulling restarts, live subtitles are generated again. false: generates live subtitles when stream ingest starts, regardless of whether stream pulling starts.
LiveTemplate	String	Yes	lp_ld	The specification of the output subtitles. Valid values: `lp_ld`: landscape low definition 360p (640×360) `lp_ld_v`: portrait low definition 360p (360×640) `lp_sd`: landscape standard definition 480p (854×480) `lp_sd_v`: portrait standard definition 480p (480×854) `lp_hd`: landscape high definition 720p (1280×720) `lp_hd_v`: portrait high definition 720p (720×1280) `lp_ud`: landscape ultra-high definition 1080p (1920×1080) `lp_ud_v`: portrait ultra-high definition 1080p (1080×1920)
Description	String	No	live AI subtitle template	The description of the subtitle rule. The description can be up to 128 characters in length and can contain letters, digits, and special characters.

Response parameters

Parameter	Type	Example	Description
RequestId	String	5c6a2a0df228-4a64-af62-20e91b96****	The request ID.
RulesId	String	445409ec-7eaa-461d-8f29-4bec2eb9****	The ID of the subtitle rule.

Examples

Sample requests

http(s)://live.aliyuncs.com/?Action=AddLiveAIProduceRules
&Domain=demo.aliyundoc.com
&App=AppName
&SubtitleName=sub01
&IsLazy=true
&LiveTemplate=lp_ld
&IsOrigin=true
&Description=live AI subtitle template
&<Common request parameters>

Sample success responses

XML format

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

<AddLiveAIProduceRulesResponse>
    <RequestId>5c6a2a0df228-4a64-af62-20e91b96****</RequestId>
    <RulesId>445409ec-7eaa-461d-8f29-4bec2eb9****</RulesId>
</AddLiveAIProduceRulesResponse>

JSON format

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

{
  "RequestId" : "5c6a2a0df228-4a64-af62-20e91b96****",
  "RulesId" : "445409ec-7eaa-461d-8f29-4bec2eb9****"
}

Error codes

HTTP status code	Error code	Error message	Description
400	MissingParameter	%s.	One or more required parameters are missing.
400	InvalidParameter	%s.	One or more parameters are invalid.

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