请求历史媒体下载增加回复事件处理ssrc与下级不一致情况

wangyimeng
1 parent 2d2832db
Showing 3 changed files with 152 additions and 92 deletions
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/ISIPCommander.java
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
src/main/java/com/genersoft/iot/vmp/service/impl/PlayServiceImpl.java
@@ -15,26 +15,26 @@ import javax.sip.InvalidArgumentException;
 import javax.sip.SipException;
 import java.text.ParseException;
-/**    
- * @description:设备能力接口，用于定义设备的控制、查询能力   
+/**
+ * @description:设备能力接口，用于定义设备的控制、查询能力
  * @author: swwheihei
- * @date:   2020年5月3日 下午9:16:34     
+ * @date:   2020年5月3日 下午9:16:34
  */
 public interface ISIPCommander {
 	/**
 	 * 云台方向放控制，使用配置文件中的默认镜头移动速度
-	 * 
+	 *
 	 * @param device  控制设备
 	 * @param channelId  预览通道
 	 * @param leftRight  镜头左移右移 0:停止 1:左移 2:右移
      * @param upDown     镜头上移下移 0:停止 1:上移 2:下移
 	 */
 	void ptzdirectCmd(Device device,String channelId,int leftRight, int upDown) throws InvalidArgumentException, ParseException, SipException;
-	
+
 	/**
 	 * 云台方向放控制
-	 * 
+	 *
 	 * @param device  控制设备
 	 * @param channelId  预览通道
 	 * @param leftRight  镜头左移右移 0:停止 1:左移 2:右移
@@ -42,28 +42,28 @@ public interface ISIPCommander {
      * @param moveSpeed  镜头移动速度
 	 */
 	void ptzdirectCmd(Device device,String channelId,int leftRight, int upDown, int moveSpeed) throws InvalidArgumentException, ParseException, SipException;
-	
+
 	/**
 	 * 云台缩放控制，使用配置文件中的默认镜头缩放速度
-	 * 
+	 *
 	 * @param device  控制设备
 	 * @param channelId  预览通道
      * @param inOut      镜头放大缩小 0:停止 1:缩小 2:放大
 	 */
 	void ptzZoomCmd(Device device,String channelId,int inOut) throws InvalidArgumentException, ParseException, SipException;
-	
+
 	/**
 	 * 云台缩放控制
-	 * 
+	 *
 	 * @param device  控制设备
 	 * @param channelId  预览通道
      * @param inOut      镜头放大缩小 0:停止 1:缩小 2:放大
 	 */
 	void ptzZoomCmd(Device device,String channelId,int inOut, int moveSpeed) throws InvalidArgumentException, ParseException, SipException;
-	
+
 	/**
 	 * 云台控制，支持方向与缩放控制
-	 * 
+	 *
 	 * @param device  控制设备
 	 * @param channelId  预览通道
 	 * @param leftRight  镜头左移右移 0:停止 1:左移 2:右移
@@ -73,10 +73,10 @@ public interface ISIPCommander {
      * @param zoomSpeed  镜头缩放速度
 	 */
 	void ptzCmd(Device device,String channelId,int leftRight, int upDown, int inOut, int moveSpeed, int zoomSpeed) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 前端控制，包括PTZ指令、FI指令、预置位指令、巡航指令、扫描指令和辅助开关指令
-	 * 
+	 *
 	 * @param device  		控制设备
 	 * @param channelId		预览通道
 	 * @param cmdCode		指令码
@@ -85,7 +85,7 @@ public interface ISIPCommander {
      * @param combineCode2	组合码2
 	 */
 	void frontEndCmd(Device device, String channelId, int cmdCode, int parameter1, int parameter2, int combineCode2) throws SipException, InvalidArgumentException, ParseException;
-	
+
 	/**
 	 * 前端控制指令（用于转发上级指令）
 	 * @param device		控制设备
@@ -103,7 +103,7 @@ public interface ISIPCommander {
 	/**
 	 * 请求回放视频流
-	 * 
+	 *
 	 * @param device  视频设备
 	 * @param channelId  预览通道
 	 * @param startTime 开始时间,格式要求：yyyy-MM-dd HH:mm:ss
@@ -113,16 +113,16 @@ public interface ISIPCommander {
 	/**
 	 * 请求历史媒体下载
-	 * 
+	 *
 	 * @param device  视频设备
 	 * @param channelId  预览通道
 	 * @param startTime 开始时间,格式要求：yyyy-MM-dd HH:mm:ss
 	 * @param endTime 结束时间,格式要求：yyyy-MM-dd HH:mm:ss
 	 * @param downloadSpeed 下载倍速参数
-	 */ 
+	 */
 	void downloadStreamCmd(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId,
 						   String startTime, String endTime, int downloadSpeed, InviteStreamCallback inviteStreamCallback, InviteStreamCallback hookEvent,
-						   SipSubscribe.Event errorEvent) throws InvalidArgumentException, SipException, ParseException;
+						   SipSubscribe.Event errorEvent,SipSubscribe.Event okEvent) throws InvalidArgumentException, SipException, ParseException;
 	/**
 	 * 视频流停止
@@ -150,7 +150,7 @@ public interface ISIPCommander {
 	 * 回放倍速播放
 	 */
 	void playSpeedCmd(Device device, StreamInfo streamInfo, Double speed) throws InvalidArgumentException, ParseException, SipException;
-	
+
 	/**
 	 * 回放控制
 	 * @param device
@@ -162,55 +162,55 @@ public interface ISIPCommander {
     /**
 	 * 语音广播
-	 * 
+	 *
 	 * @param device  视频设备
 	 * @param channelId  预览通道
 	 */
 	void audioBroadcastCmd(Device device,String channelId);
-	
+
 	/**
 	 * 语音广播
-	 * 
+	 *
 	 * @param device  视频设备
 	 */
 	void audioBroadcastCmd(Device device, SipSubscribe.Event okEvent) throws InvalidArgumentException, SipException, ParseException;
 	void audioBroadcastCmd(Device device) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 音视频录像控制
-	 * 
+	 *
 	 * @param device  		视频设备
 	 * @param channelId  	预览通道
 	 * @param recordCmdStr	录像命令：Record / StopRecord
 	 */
 	void recordCmd(Device device, String channelId, String recordCmdStr, SipSubscribe.Event errorEvent, SipSubscribe.Event okEvent) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 远程启动控制命令
-	 * 
+	 *
 	 * @param device	视频设备
 	 */
 	void teleBootCmd(Device device) throws InvalidArgumentException, SipException, ParseException;
 	/**
 	 * 报警布防/撤防命令
-	 * 
+	 *
 	 * @param device  	视频设备
 	 */
 	void guardCmd(Device device, String guardCmdStr, SipSubscribe.Event errorEvent, SipSubscribe.Event okEvent) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 报警复位命令
-	 * 
+	 *
 	 * @param device		视频设备
 	 * @param alarmMethod	报警方式（可选）
 	 * @param alarmType		报警类型（可选）
 	 */
 	void alarmCmd(Device device, String alarmMethod, String alarmType, SipSubscribe.Event errorEvent, SipSubscribe.Event okEvent) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 强制关键帧命令,设备收到此命令应立刻发送一个IDR帧
-	 * 
+	 *
 	 * @param device  视频设备
 	 * @param channelId  预览通道
 	 */
@@ -230,58 +230,58 @@ public interface ISIPCommander {
 	/**
 	 * 设备配置命令
-	 * 
+	 *
 	 * @param device  视频设备
 	 */
 	void deviceConfigCmd(Device device);
-	
+
 	/**
 	 * 设备配置命令：basicParam
-	 * 
+	 *
 	 * @param device  			视频设备
 	 * @param channelId			通道编码（可选）
 	 * @param name				设备/通道名称（可选）
 	 * @param expiration		注册过期时间（可选）
 	 * @param heartBeatInterval	心跳间隔时间（可选）
 	 * @param heartBeatCount	心跳超时次数（可选）
-	 */  
+	 */
 	void deviceBasicConfigCmd(Device device, String channelId, String name, String expiration, String heartBeatInterval, String heartBeatCount, SipSubscribe.Event errorEvent) throws InvalidArgumentException, SipException, ParseException;
 	/**
 	 * 查询设备状态
-	 * 
+	 *
 	 * @param device 视频设备
 	 */
 	void deviceStatusQuery(Device device, SipSubscribe.Event errorEvent) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 查询设备信息
-	 * 
+	 *
 	 * @param device 视频设备
-	 * @return 
+	 * @return
 	 */
 	void deviceInfoQuery(Device device) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 查询目录列表
-	 * 
+	 *
 	 * @param device 视频设备
 	 */
 	void catalogQuery(Device device, int sn, SipSubscribe.Event errorEvent) throws SipException, InvalidArgumentException, ParseException;
-	
+
 	/**
 	 * 查询录像信息
-	 * 
+	 *
 	 * @param device 视频设备
 	 * @param startTime 开始时间,格式要求：yyyy-MM-dd HH:mm:ss
 	 * @param endTime 结束时间,格式要求：yyyy-MM-dd HH:mm:ss
 	 * @param sn
 	 */
 	void recordInfoQuery(Device device, String channelId, String startTime, String endTime, int sn,  Integer Secrecy, String type, SipSubscribe.Event okEvent, SipSubscribe.Event errorEvent) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 查询报警信息
-	 * 
+	 *
 	 * @param device		视频设备
 	 * @param startPriority	报警起始级别（可选）
 	 * @param endPriority	报警终止级别（可选）
@@ -293,33 +293,33 @@ public interface ISIPCommander {
 	 */
 	void alarmInfoQuery(Device device, String startPriority, String endPriority, String alarmMethod,
 							String alarmType, String startTime, String endTime, SipSubscribe.Event errorEvent) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 查询设备配置
-	 * 
+	 *
 	 * @param device 		视频设备
 	 * @param channelId		通道编码（可选）
 	 * @param configType	配置类型：
 	 */
 	void deviceConfigQuery(Device device, String channelId, String configType,  SipSubscribe.Event errorEvent) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 查询设备预置位置
-	 * 
+	 *
 	 * @param device 视频设备
 	 */
 	void presetQuery(Device device, String channelId, SipSubscribe.Event errorEvent) throws InvalidArgumentException, SipException, ParseException;
-	
+
 	/**
 	 * 查询移动设备位置数据
-	 * 
+	 *
 	 * @param device 视频设备
 	 */
 	void mobilePostitionQuery(Device device, SipSubscribe.Event errorEvent) throws InvalidArgumentException, SipException, ParseException;
 	/**
 	 * 订阅、取消订阅移动位置
-	 * 
+	 *
 	 * @param device	视频设备
 	 * @return			true = 命令发送成功
 	 */
@@ -29,7 +29,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.DependsOn;
 import org.springframework.stereotype.Component;
 import org.springframework.util.ObjectUtils;
-import org.springframework.util.StringUtils;
 import javax.sip.InvalidArgumentException;
 import javax.sip.ResponseEvent;
@@ -57,7 +56,7 @@ public class SIPCommander implements ISIPCommander {
     @Autowired
     private SIPSender sipSender;
-    
+
     @Autowired
     private SIPRequestHeaderProvider headerProvider;
@@ -181,7 +180,7 @@ public class SIPCommander implements ISIPCommander {
         ptzXml.append("<ControlPriority>5</ControlPriority>\r\n");
         ptzXml.append("</Info>\r\n");
         ptzXml.append("</Control>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, ptzXml.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null, sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()),request);
@@ -244,8 +243,8 @@ public class SIPCommander implements ISIPCommander {
         ptzXml.append("<ControlPriority>5</ControlPriority>\r\n");
         ptzXml.append("</Info>\r\n");
         ptzXml.append("</Control>\r\n");
-        
-        
+
+
         Request request = headerProvider.createMessageRequest(device, ptzXml.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()),request, errorEvent, okEvent);
@@ -365,7 +364,8 @@ public class SIPCommander implements ISIPCommander {
      */
     @Override
     public void playbackStreamCmd(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId,
-                                  String startTime, String endTime, InviteStreamCallback inviteStreamCallback, InviteStreamCallback hookEvent,
+                                  String startTime, String endTime,
+                                  InviteStreamCallback inviteStreamCallback, InviteStreamCallback hookEvent,
                                   SipSubscribe.Event okEvent, SipSubscribe.Event errorEvent) throws InvalidArgumentException, SipException, ParseException {
@@ -411,7 +411,8 @@ public class SIPCommander implements ISIPCommander {
                 content.append("a=setup:active\r\n");
                 content.append("a=connection:new\r\n");
             }
-        } else {
+        } else
+            {
             if ("TCP-PASSIVE".equalsIgnoreCase(streamMode)) {
                 content.append("m=video " + ssrcInfo.getPort() + " TCP/RTP/AVP 96 97 98 99\r\n");
             } else if ("TCP-ACTIVE".equalsIgnoreCase(streamMode)) {
@@ -471,8 +472,9 @@ public class SIPCommander implements ISIPCommander {
      */
     @Override
     public void downloadStreamCmd(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId,
-                                  String startTime, String endTime, int downloadSpeed, InviteStreamCallback inviteStreamCallback, InviteStreamCallback hookEvent,
-                                  SipSubscribe.Event errorEvent) throws InvalidArgumentException, SipException, ParseException {
+                                  String startTime, String endTime, int downloadSpeed,
+                                  InviteStreamCallback inviteStreamCallback, InviteStreamCallback hookEvent,
+                                  SipSubscribe.Event errorEvent,SipSubscribe.Event okEvent) throws InvalidArgumentException, SipException, ParseException {
         logger.info("{} 分配的ZLM为: {} [{}:{}]", ssrcInfo.getStream(), mediaServerItem.getId(), mediaServerItem.getIp(), ssrcInfo.getPort());
         String sdpIp;
@@ -541,10 +543,11 @@ public class SIPCommander implements ISIPCommander {
         content.append("a=downloadspeed:" + downloadSpeed + "\r\n");
         content.append("y=" + ssrcInfo.getSsrc() + "\r\n");//ssrc
-        
+
         HookSubscribeForStreamChange hookSubscribe = HookSubscribeFactory.on_stream_changed("rtp", ssrcInfo.getStream(), true, null, mediaServerItem.getId());
         // 添加订阅
-        subscribe.addSubscribe(hookSubscribe, (MediaServerItem mediaServerItemInUse, JSONObject json) -> {
+        subscribe.addSubscribe(hookSubscribe, (MediaServerItem mediaServerItemInUse, JSONObject json) ->
+        {
             hookEvent.call(new InviteStreamInfo(mediaServerItem, json,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()).getCallId(), "rtp", ssrcInfo.getStream()));
             subscribe.removeSubscribe(hookSubscribe);
             hookSubscribe.getContent().put("regist", false);
@@ -567,10 +570,11 @@ public class SIPCommander implements ISIPCommander {
             inviteStreamCallback.call(new InviteStreamInfo(mediaServerItem, null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()).getCallId(), "rtp", ssrcInfo.getStream()));
         }
-        sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent, okEvent -> {
-            ResponseEvent responseEvent = (ResponseEvent) okEvent.event;
+        sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent, event -> {
+            ResponseEvent responseEvent = (ResponseEvent) event.event;
             SIPResponse response = (SIPResponse) responseEvent.getResponse();
             streamSession.put(device.getDeviceId(), channelId, response.getCallIdHeader().getCallId(), ssrcInfo.getStream(), ssrcInfo.getSsrc(), mediaServerItem.getId(), response, VideoStreamSessionManager.SessionType.download);
+            okEvent.response(event);
         });
     }
@@ -628,7 +632,7 @@ public class SIPCommander implements ISIPCommander {
         broadcastXml.append("<TargetID>" + device.getDeviceId() + "</TargetID>\r\n");
         broadcastXml.append("</Notify>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, broadcastXml.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request);
@@ -648,7 +652,7 @@ public class SIPCommander implements ISIPCommander {
         broadcastXml.append("<TargetID>" + device.getDeviceId() + "</TargetID>\r\n");
         broadcastXml.append("</Notify>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, broadcastXml.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent);
@@ -679,7 +683,7 @@ public class SIPCommander implements ISIPCommander {
         cmdXml.append("<RecordCmd>" + recordCmdStr + "</RecordCmd>\r\n");
         cmdXml.append("</Control>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, cmdXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent,okEvent);
@@ -703,7 +707,7 @@ public class SIPCommander implements ISIPCommander {
         cmdXml.append("<TeleBoot>Boot</TeleBoot>\r\n");
         cmdXml.append("</Control>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, cmdXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request);
@@ -762,7 +766,7 @@ public class SIPCommander implements ISIPCommander {
         }
         cmdXml.append("</Control>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, cmdXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent,okEvent);
@@ -791,7 +795,7 @@ public class SIPCommander implements ISIPCommander {
         cmdXml.append("<IFameCmd>Send</IFameCmd>\r\n");
         cmdXml.append("</Control>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, cmdXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request);
@@ -802,7 +806,6 @@ public class SIPCommander implements ISIPCommander {
      *
      * @param device      视频设备
      * @param channelId      通道id，非通道则是设备本身
-     * @param frontCmd     上级平台的指令，如果存在则直接下发
      * @param enabled     看守位使能：1 = 开启，0 = 关闭
      * @param resetTime   自动归位时间间隔，开启看守位时使用，单位:秒(s)
      * @param presetIndex 调用预置位编号，开启看守位时使用，取值范围0~255
@@ -840,7 +843,7 @@ public class SIPCommander implements ISIPCommander {
         cmdXml.append("</HomePosition>\r\n");
         cmdXml.append("</Control>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, cmdXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent,okEvent);
@@ -903,7 +906,7 @@ public class SIPCommander implements ISIPCommander {
         cmdXml.append("</BasicParam>\r\n");
         cmdXml.append("</Control>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, cmdXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent);
@@ -926,7 +929,7 @@ public class SIPCommander implements ISIPCommander {
         catalogXml.append("<DeviceID>" + device.getDeviceId() + "</DeviceID>\r\n");
         catalogXml.append("</Query>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, catalogXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
@@ -950,7 +953,7 @@ public class SIPCommander implements ISIPCommander {
         catalogXml.append("<DeviceID>" + device.getDeviceId() + "</DeviceID>\r\n");
         catalogXml.append("</Query>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, catalogXml.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
@@ -975,7 +978,7 @@ public class SIPCommander implements ISIPCommander {
         catalogXml.append("  <DeviceID>" + device.getDeviceId() + "</DeviceID>\r\n");
         catalogXml.append("</Query>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, catalogXml.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
@@ -1020,7 +1023,7 @@ public class SIPCommander implements ISIPCommander {
         }
         recordInfoXml.append("</Query>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, recordInfoXml.toString(),
                 SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
@@ -1071,7 +1074,7 @@ public class SIPCommander implements ISIPCommander {
         }
         cmdXml.append("</Query>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, cmdXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent);
@@ -1101,7 +1104,7 @@ public class SIPCommander implements ISIPCommander {
         cmdXml.append("<ConfigType>" + configType + "</ConfigType>\r\n");
         cmdXml.append("</Query>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, cmdXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent);
@@ -1128,7 +1131,7 @@ public class SIPCommander implements ISIPCommander {
         }
         cmdXml.append("</Query>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, cmdXml.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent);
@@ -1152,7 +1155,7 @@ public class SIPCommander implements ISIPCommander {
         mobilePostitionXml.append("<Interval>60</Interval>\r\n");
         mobilePostitionXml.append("</Query>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, mobilePostitionXml.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
@@ -1237,7 +1240,7 @@ public class SIPCommander implements ISIPCommander {
         }
         cmdXml.append("</Query>\r\n");
-        
+
         Request request = headerProvider.createSubscribeRequest(device, cmdXml.toString(), null, expires, "presence",sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request);
@@ -1287,14 +1290,14 @@ public class SIPCommander implements ISIPCommander {
         }
         dragXml.append(cmdString);
         dragXml.append("</Control>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, dragXml.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         logger.debug("拉框信令： " + request.toString());
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()),request);
     }
-    
+
     /**
@@ -1398,7 +1401,7 @@ public class SIPCommander implements ISIPCommander {
         deviceStatusXml.append("</info>\r\n");
         deviceStatusXml.append("</Notify>\r\n");
-        
+
         Request request = headerProvider.createMessageRequest(device, deviceStatusXml.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()));
         sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()),request);
@@ -258,7 +258,8 @@ public class PlayServiceImpl implements IPlayService {
             return;
         }
         try {
-            cmder.playStreamCmd(mediaServerItem, ssrcInfo, device, channelId, (MediaServerItem mediaServerItemInuse, JSONObject response) -> {
+            cmder.playStreamCmd(mediaServerItem, ssrcInfo, device, channelId, (MediaServerItem mediaServerItemInuse, JSONObject response) ->
+            {
                 logger.info("收到订阅消息： " + response.toJSONString());
                 dynamicTask.stop(timeOutTaskKey);
@@ -273,7 +274,8 @@ public class PlayServiceImpl implements IPlayService {
                 logger.info("[请求截图]: " + fileName);
                 zlmresTfulUtils.getSnap(mediaServerItemInuse, streamUrl, 15, 1, path, fileName);
-            }, (event) -> {
+            }, (event) ->
+            {
                 ResponseEvent responseEvent = (ResponseEvent) event.event;
                 String contentString = new String(responseEvent.getResponse().getRawContent());
                 // 获取ssrc
@@ -322,7 +324,8 @@ public class PlayServiceImpl implements IPlayService {
                     }
                 }
-            }, (event) -> {
+            }, (event) ->
+            {
                 dynamicTask.stop(timeOutTaskKey);
                 mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
                 // 释放ssrc
@@ -513,7 +516,8 @@ public class PlayServiceImpl implements IPlayService {
         try {
             cmder.playbackStreamCmd(mediaServerItem, ssrcInfo, device, channelId, startTime, endTime, infoCallBack,
-                    hookEvent, eventResult -> {
+                    hookEvent, eventResult ->
+                    {
                         if (eventResult.type == SipSubscribe.EventResultType.response) {
                             ResponseEvent responseEvent = (ResponseEvent) eventResult.event;
                             String contentString = new String(responseEvent.getResponse().getRawContent());
@@ -582,6 +586,7 @@ public class PlayServiceImpl implements IPlayService {
         if (device == null) {
             return;
         }
+        //获取录像下载的服务，配置文件中的record-assist-port不为0
         MediaServerItem newMediaServerItem = getNewMediaServerItemHasAssist(device);
         if (newMediaServerItem == null) {
             PlayBackResult<StreamInfo> downloadResult = new PlayBackResult<>();
@@ -651,7 +656,59 @@ public class PlayServiceImpl implements IPlayService {
                         downloadResult.setMediaServerItem(inviteStreamInfo.getMediaServerItem());
                         downloadResult.setResponse(inviteStreamInfo.getResponse());
                         hookCallBack.call(downloadResult);
-                    }, errorEvent);
+                    }, errorEvent, eventResult ->
+                    {
+                        if (eventResult.type == SipSubscribe.EventResultType.response) {
+                            ResponseEvent responseEvent = (ResponseEvent) eventResult.event;
+                            String contentString = new String(responseEvent.getResponse().getRawContent());
+                            // 获取ssrc
+                            int ssrcIndex = contentString.indexOf("y=");
+                            // 检查是否有y字段
+                            if (ssrcIndex >= 0) {
+                                //ssrc规定长度为10字节，不取余下长度以避免后续还有“f=”字段 TODO 后续对不规范的非10位ssrc兼容
+                                String ssrcInResponse = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
+                                // 查询到ssrc不一致且开启了ssrc校验则需要针对处理
+                                if (ssrcInfo.getSsrc().equals(ssrcInResponse)) {
+                                    return;
+                                }
+                                logger.info("[回放消息] 收到invite 200, 发现下级自定义了ssrc: {}", ssrcInResponse);
+                                if (!mediaServerItem.isRtpEnable() || device.isSsrcCheck()) {
+                                    logger.info("[回放消息] SSRC修正 {}->{}", ssrcInfo.getSsrc(), ssrcInResponse);
+
+                                    if (!mediaServerItem.getSsrcConfig().checkSsrc(ssrcInResponse)) {
+                                        // ssrc 不可用
+                                        // 释放ssrc
+                                        mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
+                                        streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
+                                        eventResult.msg = "下级自定义了ssrc,但是此ssrc不可用";
+                                        eventResult.statusCode = 400;
+                                        errorEvent.response(eventResult);
+                                        return;
+                                    }
+
+                                    // 单端口模式streamId也有变化，需要重新设置监听
+                                    if (!mediaServerItem.isRtpEnable()) {
+                                        // 添加订阅
+                                        HookSubscribeForStreamChange hookSubscribe = HookSubscribeFactory.on_stream_changed("rtp", ssrcInfo.getStream(), true, "rtsp", mediaServerItem.getId());
+                                        subscribe.removeSubscribe(hookSubscribe);
+                                        hookSubscribe.getContent().put("stream", String.format("%08x", Integer.parseInt(ssrcInResponse)).toUpperCase());
+                                        subscribe.addSubscribe(hookSubscribe, (MediaServerItem mediaServerItemInUse, JSONObject response) -> {
+                                            logger.info("[ZLM HOOK] ssrc修正后收到订阅消息： " + response.toJSONString());
+                                            dynamicTask.stop(downLoadTimeOutTaskKey);
+                                            // hook响应，TODO 此处待处理
+//                                            onPublishHandlerForPlayback(mediaServerItemInUse, response, device.getDeviceId(), channelId, playBackCallback);
+//                                            hookCallBack.call(new InviteStreamInfo(mediaServerItem, null, eventResult.callId, "rtp", ssrcInfo.getStream()));
+                                        });
+                                    }
+                                    // 关闭rtp server
+                                    mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
+                                    // 重新开启ssrc server
+                                    mediaServerService.openRTPServer(mediaServerItem, ssrcInfo.getStream(), ssrcInResponse, device.isSsrcCheck(), true, ssrcInfo.getPort());
+                                }
+                            }
+                        }
+
+                    });
         } catch (InvalidArgumentException | SipException | ParseException e) {
             logger.error("[命令发送失败] 录像下载: {}", e.getMessage());