getLiveStreamInfo (getLiveStreamInfo: Query live broadcast information created under the device channel)

getLiveStreamInfo: getLiveStreamInfo: Query live broadcast information created under the device channel

Function details

Obtain the live broadcast address and live broadcast status according to the device serial number and channel number.

Remarks:
You need to create a live broadcast address through bindDeviceLive first, otherwise the live broadcast information cannot be obtained.
Four types of live broadcast addresses can be obtained: HD main stream, SD sub stream, HTTP, and HTTPS.

Request address

https://openapi-[DataCenter].easy4ip.com/openapi/getLiveStreamInfo

Request format

HTTP POST. JSON body layout: Request conventions. Sign with Signature.

Incoming parameter description

Parameter name	Parameter type	Required or not	Parameter description
token	String	Yes	Administrator accessToken
deviceId	String	Yes	Device serial number
channelId	String	Yes	Channel ID

Sample input

{
 "system":{
 "ver":"1.0",
 "appId":"lcdxxxxxxxxx",
 "sign": "xjhCQBoJ9hRDsCjyDcHjtDNzRZ3ZJezcawsfWeiaoxU=",
 "time":1603366946,
 "nonce":"2e84717c-0f22-4424-8afe-19bab0d6d606"
 },
 "id":"051824b1-9655-4755-9cc2-adcc9ab5fef1",
 "params":{
 "deviceId":"TESTQWERXXXX",
 "channelId":"0",
 "token":"At_00000ad9e6e87f0142eb92e207aec46a"
 }
}

Return data field description

Field	Type	Description
streams.hls	String	Live stream hls access address
streams.streamId	Integer	Stream type (0: HD main stream; 1: SD secondary stream) (when the live broadcast address is generated by the rtsp source, this field is not available)
streams.status	String	Stream output status:1when on;10when off (same semantics as queryLiveStatus)
streams.liveToken	String	token for live broadcast

Sample output

{
 "result":{
 "msg":"The operation was successful.",
 "code":"0",
 "data":{
 "streams":[
 {
 "streamId":1,
 "liveToken":"57877dd6774f4cbeb657568be0b7a621",
 "hls":"http://cmgw-vpc.lechange.com:8888/LCO/TESTQWERXXXX/0/1/20201022T113914/dev_TESTQWERXXXX_20201022T113914.m3u8",
 "status":"1"
 },
 {
 "streamId":0,
 "liveToken":"57877dd6774f4cbeb657568be0b7a621",
 "hls":"http://cmgw-vpc.lechange.com:8888/LCO/TESTQWERXXXX/0/0/20201022T113914/dev_TESTQWERXXXX_20201022T113914.m3u8",
 "status":"1"
 },
 {
 "streamId":1,
 "liveToken":"57877dd6774f4cbeb657568be0b7a621",
 "hls":"https://cmgw-vpc.lechange.com:8890/LCO/TESTQWERXXXX/0/1/20201022T113914/dev_TESTQWERXXXX_20201022T113914.m3u8?proto=https",
 "status":"10"
 },
 {
 "streamId":0,
 "liveToken":"57877dd6774f4cbeb657568be0b7a621",
 "hls":"https://cmgw-vpc.lechange.com:8890/LCO/TESTQWERXXXX/0/0/20201022T113914/dev_TESTQWERXXXX_20201022T113914.m3u8?proto=https",
 "status":"10"
 }
 ]
 }
 },
 "id":"051824b1-9655-4755-9cc2-adcc9ab5fef1"
}

Error codes

This method may return the codes below. See Return codes and Capability errors for the full catalog.

Gateway and auth (SN / TK / OP)

Code	Meaning	Next step
`SN1001`	Signature error	Check `sign` per Development specification
`TK1002`	Token invalid or expired	Refresh accessToken
`OP1002`	Missing required parameter	Add required fields
`OP1003`	Invalid parameter	Match this page’s parameter table
`OP1009`	Permission denied	Check token and device bind/share grants
`OP1013`	Total call limit exceeded	Reduce call rate
`OP1014`	Daily per-interface limit exceeded	See Interface call limits
`DV1007`	Device offline	Wait until the device is online

See Return codes · OP/SN/TK for the full catalog.

Sub-accounts (SUB)

Code	Meaning	Next step
`SUB1001`–`SUB1002`	Sub-account lacks API permission	Update policy via addPolicy
`SUB1005`	Sub-account token expired	Refresh subAccountToken
`SUB1006`	No device grant for sub-account	Check `Resource` and device serial
`SUB1008`	Sub-account not bound to app	Create and bind the sub-account first

See Return codes · SUB.

Device access and channels (DV10xx)

Code	Meaning	Next step
`DV1007`	Device offline or timeout	Wait for the device to come online
`DV1009`	Device busy	Retry later
`DV1012`	Insufficient share/grant permission	Check sub-account `Permission` / `Resource`
`DV1019`	Capability not supported	Confirm model and capability list
`DV1020`	Channel offline	Check channel status
`DV1026`	Function not supported	Use another API or upgrade firmware
`DV1028`	Not bound or channel missing	Verify `deviceId` / `channelId`

See Return codes · DV.

Live binding (LV)

Code	Meaning	Next step
`LV1001`	Live already exists	Unbind via unbindLive or use another source
:---	:---	:---
`LV1002`	Live does not exist	Create the live plan first
:---	:---	:---
`LV1005`	Live info does not exist	Verify live id
:---	:---	:---
`LV1006`	Same RTSP source can bind only once per day	Retry the next day
:---	:---	:---
`LV1008`	Real-name verification required	Complete profile in the Open Platform console
:---	:---	:---
`LV1020`	Live is bound and cannot be deleted	Unbind first
:---	:---	:---
`OP1021`	Failed to get playback URL	Check live status and plan
:---	:---	:---
`OP1022`	Cloud decode authorization required	Authorize in the app as described in the response

See Return codes · catalog.