支持使用udp端口段来启用高性能udp

src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRESTfulUtils.java

@@ -83,4 +83,8 @@ public class ZLMRESTfulUtils {
     public JSONObject setServerConfig(Map<String, Object> param){
         return sendPost("setServerConfig",param);
     }
+
+    public JSONObject openRtpServer(Map<String, Object> param){
+        return sendPost("openRtpServer",param);
+    }
 }

src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMUtils.java

@@ -0,0 +1,58 @@
+package com.genersoft.iot.vmp.media.zlm;
+
+import com.alibaba.fastjson.JSONObject;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Component
+public class ZLMUtils {
+
+    @Value("${media.rtp.udpPortRange}")
+    private String udpPortRange;
+
+    @Autowired
+    private ZLMRESTfulUtils zlmresTfulUtils;
+
+    private int[] udpPortRangeArray = new int[2];
+
+    private int currentPort = 0;
+
+    public int getNewRTPPort(String ssrc) {
+        String streamId = String.format("%08x", Integer.parseInt(ssrc)).toUpperCase();
+        Map<String, Object> param = new HashMap<>();
+        int newPort = getPortFromUdpPortRange();
+        param.put("port", newPort);
+        param.put("enable_tcp", 0);
+        param.put("stream_id", streamId);
+        JSONObject jsonObject = zlmresTfulUtils.openRtpServer(param);
+        if (jsonObject.getInteger("code") == 0) {
+            System.out.println(11111111);
+            System.out.println(streamId);
+            System.out.println(ssrc);
+            System.out.println(newPort);
+            System.out.println(jsonObject.toJSONString());
+            return newPort;
+        }else {
+            return getNewRTPPort(streamId);
+        }
+    }
+
+    private int getPortFromUdpPortRange() {
+        if (currentPort == 0) {
+            String[] udpPortRangeStrArray = udpPortRange.split(",");
+            udpPortRangeArray[0] = Integer.parseInt(udpPortRangeStrArray[0]);
+            udpPortRangeArray[1] = Integer.parseInt(udpPortRangeStrArray[1]);
+        }
+
+        if (currentPort == 0 || currentPort ++ > udpPortRangeArray[1]) {
+            currentPort = udpPortRangeArray[0];
+            return udpPortRangeArray[0];
+        }else {
+            return currentPort ++;
+        }
+    }
+}