修复回放、停止预览bug，增加ZLM hook监听，长时间无人观看，停止摄像头推流。需开启ZLM的hook并配置url

songww

2020-05-14 805fa42a2c010d92b1c8fc29a60d32fd99fb4ea3

 src/main/java/com/genersoft/iot/vmp/vmanager/play/PlayController.java

@@ -7,6 +7,7 @@
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@@ -47,4 +48,23 @@
         return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
      }
   }
	
   @PostMapping("/play/{ssrc}/stop")
   public ResponseEntity<String> playStop(@PathVariable String ssrc){
		
      cmder.streamByeCmd(ssrc);
		
      if (logger.isDebugEnabled()) {
         logger.debug(String.format("设备预览停止API调用，ssrc：%s", ssrc));
      }
		
      if(ssrc!=null) {
         JSONObject json = new JSONObject();
         json.put("ssrc", ssrc);
         return new ResponseEntity<String>(json.toString(),HttpStatus.OK);
      } else {
         logger.warn("设备预览停止API调用失败！");
         return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
      }
   }
}