|  |  | 
 |  |  | package com.genersoft.iot.vmp.vmanager.gb28181.play; | 
 |  |  |  | 
 |  |  | import com.alibaba.fastjson.JSONArray; | 
 |  |  | import com.alibaba.fastjson2.JSONArray; | 
 |  |  | import com.genersoft.iot.vmp.common.StreamInfo; | 
 |  |  | import com.genersoft.iot.vmp.conf.exception.ControllerException; | 
 |  |  | import com.genersoft.iot.vmp.conf.exception.SsrcTransactionNotFoundException; | 
 |  |  | 
 |  |  | import org.springframework.web.bind.annotation.RequestMapping; | 
 |  |  | import org.springframework.web.bind.annotation.RestController; | 
 |  |  |  | 
 |  |  | import com.alibaba.fastjson.JSONObject; | 
 |  |  | import com.alibaba.fastjson2.JSONObject; | 
 |  |  | import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander; | 
 |  |  | import com.genersoft.iot.vmp.storager.IVideoManagerStorage; | 
 |  |  | import org.springframework.web.context.request.async.DeferredResult; | 
 |  |  | 
 |  |  |    @Parameter(name = "deviceId", description = "设备国标编号", required = true) | 
 |  |  |    @Parameter(name = "channelId", description = "通道国标编号", required = true) | 
 |  |  |    @GetMapping("/start/{deviceId}/{channelId}") | 
 |  |  |    public DeferredResult<WVPResult<String>> play(@PathVariable String deviceId, | 
 |  |  |    public DeferredResult<WVPResult<StreamInfo>> play(@PathVariable String deviceId, | 
 |  |  |                                           @PathVariable String channelId) { | 
 |  |  |  | 
 |  |  |       // 获取可用的zlm |