修复集群推流BUG

src/main/java/com/genersoft/iot/vmp/gb28181/session/SSRCFactory.java

@@ -2,6 +2,7 @@ package com.genersoft.iot.vmp.gb28181.session;
 
 import com.genersoft.iot.vmp.conf.SipConfig;
 import com.genersoft.iot.vmp.conf.UserSetting;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Component;
@@ -13,6 +14,7 @@ import java.util.Set;
 /**
  * ssrc使用
  */
+@Slf4j
 @Component
 public class SSRCFactory {
 
@@ -93,6 +95,7 @@ public class SSRCFactory {
         String redisKey = SSRC_INFO_KEY + userSetting.getServerId() + "_" + mediaServerId;
         Long size = redisTemplate.opsForSet().size(redisKey);
         if (size == null || size == 0) {
+            log.info("[获取 SSRC 失败] redisKey： {}", redisKey);
             throw new RuntimeException("ssrc已经用完");
         } else {
             // 在集合中移除并返回一个随机成员。

src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java

@@ -172,10 +172,13 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
                         // 点播成功， TODO 可以在此处检测cancel命令是否存在，存在则不发送
                         if (userSetting.getUseCustomSsrcForParentInvite()) {
                             // 上级平台点播时不使用上级平台指定的ssrc，使用自定义的ssrc，参考国标文档-点播外域设备媒体流SSRC处理方式
-                            String ssrc = "Play".equalsIgnoreCase(inviteInfo.getSessionName())
+                            MediaServer mediaServer = mediaServerService.getOne(streamInfo.getMediaServer().getId());
+                            if (mediaServer != null) {
+                                String ssrc = "Play".equalsIgnoreCase(inviteInfo.getSessionName())
                                         ? ssrcFactory.getPlaySsrc(streamInfo.getMediaServer().getId())
-                                    : ssrcFactory.getPlayBackSsrc(streamInfo.getMediaServer().getId());
-                            inviteInfo.setSsrc(ssrc);
+                                        : ssrcFactory.getPlayBackSsrc(streamInfo.getMediaServer().getId());
+                                inviteInfo.setSsrc(ssrc);
+                            }
                         }
                         // 构建sendRTP内容
                         SendRtpInfo sendRtpItem = sendRtpServerService.createSendRtpInfo(streamInfo.getMediaServer(),