修复转发国标notify-update时信息错误的问题

src/main/java/com/genersoft/iot/vmp/service/impl/PlayServiceImpl.java

@@ -149,7 +149,6 @@ public class PlayServiceImpl implements IPlayService {
             logger.warn("[点播] 未找到可用的zlm deviceId: {},channelId:{}", deviceId, channelId);
             throw new ControllerException(ErrorCode.ERROR100.getCode(), "未找到可用的zlm");
         }
-
         Device device = redisCatchStorage.getDevice(deviceId);
         if (device.getStreamMode().equalsIgnoreCase("TCP-ACTIVE") && !mediaServerItem.isRtpEnable()) {
             logger.warn("[点播] 单端口收流时不支持TCP主动方式收流 deviceId: {},channelId:{}", deviceId, channelId);
@@ -163,6 +162,8 @@ public class PlayServiceImpl implements IPlayService {
         InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
         if (inviteInfo != null ) {
             if (inviteInfo.getStreamInfo() == null) {
+                // 释放生成的ssrc，使用上一次申请的
+                ssrcFactory.releaseSsrc(mediaServerItem.getId(), ssrc);
                 // 点播发起了但是尚未成功, 仅注册回调等待结果即可
                 inviteStreamService.once(InviteSessionType.PLAY, deviceId, channelId, null, callback);
                 logger.info("[点播开始] 已经请求中，等待结果， deviceId: {}, channelId: {}", device.getDeviceId(), channelId);