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				@@ -10,8 +10,7 @@ import org.springframework.beans.factory.annotation.Autowired; 
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				 import org.springframework.stereotype.Component; 
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				 import org.springframework.util.StringUtils; 
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				-import java.util.HashMap; 
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				-import java.util.Map; 
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				+import java.util.*; 
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				 @Component 
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				 public class ZLMRTPServerFactory { 
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				@@ -23,54 +22,80 @@ public class ZLMRTPServerFactory { 
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				     private int[] portRangeArray = new int[2]; 
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				-    public int createRTPServer(MediaServerItem mediaServerItem, String streamId) { 
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				-        Map<String, Integer> currentStreams = new HashMap<>(); 
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				+    public int getFreePort(MediaServerItem mediaServerItem, int startPort, int endPort, List<Integer> usedFreelist) { 
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				+        if (endPort <= startPort) return -1; 
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				+        if (usedFreelist == null) { 
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				+            usedFreelist = new ArrayList<>(); 
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				+        } 
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				         JSONObject listRtpServerJsonResult = zlmresTfulUtils.listRtpServer(mediaServerItem); 
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				         if (listRtpServerJsonResult != null) { 
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				             JSONArray data = listRtpServerJsonResult.getJSONArray("data"); 
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				             if (data != null) { 
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				                 for (int i = 0; i < data.size(); i++) { 
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				                     JSONObject dataItem = data.getJSONObject(i); 
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				-                    currentStreams.put(dataItem.getString("stream_id"), dataItem.getInteger("port")); 
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				+                    usedFreelist.add(dataItem.getInteger("port")); 
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				                 } 
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				             } 
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				         } 
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				-        // 已经在推流 
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				-        if (currentStreams.get(streamId) != null) { 
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				-            Map<String, Object> closeRtpServerParam = new HashMap<>(); 
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				-            closeRtpServerParam.put("stream_id", streamId); 
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				-            zlmresTfulUtils.closeRtpServer(mediaServerItem, closeRtpServerParam); 
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				-            currentStreams.remove(streamId); 
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				-        } 
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				         Map<String, Object> param = new HashMap<>(); 
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				         int result = -1; 
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				-        // 不设置推流端口端则使用随机端口 
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				-        if (!StringUtils.isEmpty(mediaServerItem.getSendRtpPortRange())){ 
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				-            int newPort = getPortFromportRange(mediaServerItem); 
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				-            param.put("port", newPort); 
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				+        // 设置推流端口 
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				+        if (startPort%2 == 1) { 
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				+            startPort ++; 
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				+        } 
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				+        boolean checkPort = false; 
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				+        for (int i = startPort; i < endPort  + 1; i+=2) { 
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				+            if (!usedFreelist.contains(i)){ 
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				+                checkPort = true; 
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				+                startPort = i; 
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				+                break; 
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				+            } 
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				+        } 
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				+        if (!checkPort) { 
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				+            logger.warn("未找到节点{}上范围[{}-{}]的空闲端口", mediaServerItem.getId(), startPort, endPort); 
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				+            return -1; 
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				+        } 
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				+        param.put("port", startPort); 
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				+        String stream = UUID.randomUUID().toString(); 
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				+        param.put("enable_tcp", 1); 
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				+        param.put("stream_id", stream); 
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				+        param.put("port", 0); 
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				+        JSONObject openRtpServerResultJson = zlmresTfulUtils.openRtpServer(mediaServerItem, param); 
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				+ 
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				+        if (openRtpServerResultJson != null) { 
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				+            if (openRtpServerResultJson.getInteger("code") == 0) { 
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				+                result= openRtpServerResultJson.getInteger("port"); 
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				+                Map<String, Object> closeRtpServerParam = new HashMap<>(); 
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				+                closeRtpServerParam.put("stream_id", stream); 
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				+                zlmresTfulUtils.closeRtpServer(mediaServerItem, closeRtpServerParam); 
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				+            }else { 
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				+                usedFreelist.add(startPort); 
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				+                startPort +=2; 
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				+                result = getFreePort(mediaServerItem, startPort, endPort,usedFreelist); 
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				+            } 
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				+        }else { 
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				+            //  检查ZLM状态 
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				+            logger.error("创建RTP Server 失败 {}: 请检查ZLM服务", param.get("port")); 
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				         } 
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				+        return result; 
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				+    } 
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				+ 
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				+    public int createRTPServer(MediaServerItem mediaServerItem, String streamId) { 
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				+ 
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				+        Map<String, Object> param = new HashMap<>(); 
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				+        int result = -1; 
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				+        // 推流端口设置0则使用随机端口 
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				         param.put("enable_tcp", 1); 
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				         param.put("stream_id", streamId); 
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				+        param.put("port", 0); 
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				         JSONObject openRtpServerResultJson = zlmresTfulUtils.openRtpServer(mediaServerItem, param); 
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				         if (openRtpServerResultJson != null) { 
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				-            switch (openRtpServerResultJson.getInteger("code")){ 
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				-                case 0: 
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				-                    result= openRtpServerResultJson.getInteger("port"); 
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				-                    break; 
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				-                case -300: // id已经存在, 可能已经在其他端口推流 
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				-                    Map<String, Object> closeRtpServerParam = new HashMap<>(); 
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				-                    closeRtpServerParam.put("stream_id", streamId); 
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				-                    zlmresTfulUtils.closeRtpServer(mediaServerItem, closeRtpServerParam); 
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				-                    result = createRTPServer(mediaServerItem, streamId);; 
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				-                    break; 
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				-                case -400: // 端口占用 
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				-                    result= createRTPServer(mediaServerItem, streamId); 
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				-                    break; 
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				-                default: 
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				-                    logger.error("创建RTP Server 失败 {}: " + openRtpServerResultJson.getString("msg"),  param.get("port")); 
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				-                    break; 
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				+            if (openRtpServerResultJson.getInteger("code") == 0) { 
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				+                result= openRtpServerResultJson.getInteger("port"); 
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				+            }else { 
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				+                logger.error("创建RTP Server 失败 {}: ", openRtpServerResultJson.getString("msg")); 
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				             } 
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				         }else { 
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				             //  检查ZLM状态 
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				@@ -99,32 +124,32 @@ public class ZLMRTPServerFactory { 
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				         return result; 
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				     } 
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				-    private int getPortFromportRange(MediaServerItem mediaServerItem) { 
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				-        int currentPort = mediaServerItem.getCurrentPort(); 
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				-        if (currentPort == 0) { 
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				-            String[] portRangeStrArray = mediaServerItem.getSendRtpPortRange().split(","); 
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				-            if (portRangeStrArray.length != 2) { 
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				-                portRangeArray[0] = 30000; 
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				-                portRangeArray[1] = 30500; 
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				-            }else { 
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				-                portRangeArray[0] = Integer.parseInt(portRangeStrArray[0]); 
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				-                portRangeArray[1] = Integer.parseInt(portRangeStrArray[1]); 
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				-            } 
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				-        } 
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				- 
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				-        if (currentPort == 0 || currentPort++ > portRangeArray[1]) { 
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				-            currentPort = portRangeArray[0]; 
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				-            mediaServerItem.setCurrentPort(currentPort); 
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				-            return portRangeArray[0]; 
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				-        } else { 
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				-            if (currentPort % 2 == 1) { 
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				-                currentPort++; 
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				-            } 
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				-            currentPort++; 
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				-            mediaServerItem.setCurrentPort(currentPort); 
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				-            return currentPort; 
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				-        } 
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				-    } 
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				+//    private int getPortFromportRange(MediaServerItem mediaServerItem) { 
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				+//        int currentPort = mediaServerItem.getCurrentPort(); 
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				+//        if (currentPort == 0) { 
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				+//            String[] portRangeStrArray = mediaServerItem.getSendRtpPortRange().split(","); 
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				+//            if (portRangeStrArray.length != 2) { 
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				+//                portRangeArray[0] = 30000; 
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				+//                portRangeArray[1] = 30500; 
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				+//            }else { 
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				+//                portRangeArray[0] = Integer.parseInt(portRangeStrArray[0]); 
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				+//                portRangeArray[1] = Integer.parseInt(portRangeStrArray[1]); 
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				+//            } 
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				+//        } 
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				+// 
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				+//        if (currentPort == 0 || currentPort++ > portRangeArray[1]) { 
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				+//            currentPort = portRangeArray[0]; 
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				+//            mediaServerItem.setCurrentPort(currentPort); 
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				+//            return portRangeArray[0]; 
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				+//        } else { 
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				+//            if (currentPort % 2 == 1) { 
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				+//                currentPort++; 
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				+//            } 
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				+//            currentPort++; 
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				+//            mediaServerItem.setCurrentPort(currentPort); 
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				+//            return currentPort; 
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				+//        } 
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				+//    } 
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				     /** 
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				      * 创建一个国标推流 
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				@@ -139,13 +164,18 @@ public class ZLMRTPServerFactory { 
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				     public SendRtpItem createSendRtpItem(MediaServerItem serverItem, String ip, int port, String ssrc, String platformId, String deviceId, String channelId, boolean tcp){ 
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				         // 使用RTPServer 功能找一个可用的端口 
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				-        String playSsrc = serverItem.getSsrcConfig().getPlaySsrc(); 
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				-        int localPort = createRTPServer(serverItem, playSsrc); 
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				-        if (localPort != -1) { 
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				-            // TODO 高并发时可能因为未放入缓存而ssrc冲突 
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				-            serverItem.getSsrcConfig().releaseSsrc(playSsrc); 
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				-            closeRTPServer(serverItem, playSsrc); 
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				+        String sendRtpPortRange = serverItem.getSendRtpPortRange(); 
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				+        if (StringUtils.isEmpty(sendRtpPortRange)) { 
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				+            return null; 
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				+        } 
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				+        String[] portRangeStrArray = serverItem.getSendRtpPortRange().split(","); 
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				+        int localPort = -1; 
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				+        if (portRangeStrArray.length != 2) { 
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				+            localPort = getFreePort(serverItem, 30000, 30500, null); 
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				         }else { 
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				+            localPort = getFreePort(serverItem, Integer.parseInt(portRangeStrArray[0]),  Integer.parseInt(portRangeStrArray[1]), null); 
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				+        } 
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				+        if (localPort == -1) { 
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				             logger.error("没有可用的端口"); 
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				             return null; 
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				         } 
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				@@ -174,13 +204,19 @@ public class ZLMRTPServerFactory { 
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				      * @return SendRtpItem 
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				      */ 
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				     public SendRtpItem createSendRtpItem(MediaServerItem serverItem, String ip, int port, String ssrc, String platformId, String app, String stream, String channelId, boolean tcp){ 
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				-        String playSsrc = serverItem.getSsrcConfig().getPlaySsrc(); 
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				-        int localPort = createRTPServer(serverItem, playSsrc); 
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				-        if (localPort != -1) { 
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				-            // TODO 高并发时可能因为未放入缓存而ssrc冲突 
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				-            serverItem.getSsrcConfig().releaseSsrc(ssrc); 
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				-            closeRTPServer(serverItem, playSsrc); 
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				+        // 使用RTPServer 功能找一个可用的端口 
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				+        String sendRtpPortRange = serverItem.getSendRtpPortRange(); 
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				+        if (StringUtils.isEmpty(sendRtpPortRange)) { 
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				+            return null; 
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				+        } 
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				+        String[] portRangeStrArray = serverItem.getSendRtpPortRange().split(","); 
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				+        int localPort = -1; 
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				+        if (portRangeStrArray.length != 2) { 
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				+            localPort = getFreePort(serverItem, 30000, 30500, null); 
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				         }else { 
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				+            localPort = getFreePort(serverItem, Integer.parseInt(portRangeStrArray[0]),  Integer.parseInt(portRangeStrArray[1]), null); 
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				+        } 
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				+        if (localPort == -1) { 
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				             logger.error("没有可用的端口"); 
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				             return null; 
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				         } 
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				@@ -199,7 +235,7 @@ public class ZLMRTPServerFactory { 
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				     } 
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				     /** 
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				-     * 调用zlm RESTful API —— startSendRtp 
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				+     * 调用zlm RESTFUL API —— startSendRtp 
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				      */ 
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				     public JSONObject startSendRtpStream(MediaServerItem mediaServerItem, Map<String, Object>param) { 
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				         Boolean result = false; 
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				@@ -208,9 +244,9 @@ public class ZLMRTPServerFactory { 
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				             logger.error("RTP推流失败: 请检查ZLM服务"); 
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				         } else if (jsonObject.getInteger("code") == 0) { 
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				             result= true; 
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				-            logger.info("RTP推流[ {}/{} ]请求成功,本地推流端口:{}" ,param.get("app"), param.get("stream"), jsonObject.getString("local_port")); 
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				+            logger.info("RTP推流成功[ {}/{} ],本地推流端口:{}" ,param.get("app"), param.get("stream"), jsonObject.getString("local_port")); 
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				         } else { 
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				-            logger.error("RTP推流失败: " + jsonObject.getString("msg")); 
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				+            logger.error("RTP推流失败: {}, 参数:{}",jsonObject.getString("msg"),JSONObject.toJSON(param)); 
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				         } 
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				         return jsonObject; 
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				     } 
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				@@ -265,7 +301,7 @@ public class ZLMRTPServerFactory { 
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				             result= true; 
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				             logger.info("停止RTP推流成功"); 
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				         } else { 
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				-            logger.error("停止RTP推流失败: " + jsonObject.getString("msg")); 
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				+            logger.error("RTP推流失败: {}, 参数:{}",jsonObject.getString("msg"),JSONObject.toJSON(param)); 
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				         } 
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				         return result; 
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				     } 
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