支持国标级联语音喊话TCP主动模式

648540858
1 parent c8b0e66e
Showing 4 changed files with 219 additions and 55 deletions
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
src/main/java/com/genersoft/iot/vmp/service/impl/MediaServerServiceImpl.java
src/main/java/com/genersoft/iot/vmp/service/impl/PlatformServiceImpl.java
src/main/java/com/genersoft/iot/vmp/storager/impl/VideoManagerStorageImpl.java
@@ -978,8 +978,6 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
                 return;
             }
             String contentString = new String(request.getRawContent());
-            // jainSip不支持y=字段， 移除移除以解析。
-            String ssrc = "0000000404";
             try {
                 Gb28181Sdp gb28181Sdp = SipUtils.parseSDP(contentString);
@@ -1027,7 +1025,7 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
                     return;
                 }
                 String addressStr = sdp.getOrigin().getAddress();
-                logger.info("设备{}请求语音流，地址：{}:{}，ssrc：{}, {}", requesterId, addressStr, port, ssrc,
+                logger.info("设备{}请求语音流，地址：{}:{}，ssrc：{}, {}", requesterId, addressStr, port, gb28181Sdp.getSsrc(),
                         mediaTransmissionTCP ? (tcpActive ? "TCP主动" : "TCP被动") : "UDP");
                 MediaServerItem mediaServerItem = broadcastCatch.getMediaServerItem();
@@ -1041,11 +1039,11 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
                     }
                     return;
                 }
-                logger.info("设备{}请求语音流， 收流地址：{}:{}，ssrc：{}, {}, 对讲方式：{}", requesterId, addressStr, port, ssrc,
+                logger.info("设备{}请求语音流， 收流地址：{}:{}，ssrc：{}, {}, 对讲方式：{}", requesterId, addressStr, port, gb28181Sdp.getSsrc(),
                         mediaTransmissionTCP ? (tcpActive ? "TCP主动" : "TCP被动") : "UDP", sdp.getSessionName().getValue());
                 CallIdHeader callIdHeader = (CallIdHeader) request.getHeader(CallIdHeader.NAME);
-                SendRtpItem sendRtpItem = zlmServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
+                SendRtpItem sendRtpItem = zlmServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, gb28181Sdp.getSsrc(), requesterId,
                         device.getDeviceId(), broadcastCatch.getChannelId(),
                         mediaTransmissionTCP, false);
@@ -1081,7 +1079,7 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
                 Boolean streamReady = zlmServerFactory.isStreamReady(mediaServerItem, broadcastCatch.getApp(), broadcastCatch.getStream());
                 if (streamReady) {
-                    sendOk(device, sendRtpItem, sdp, request, mediaServerItem, mediaTransmissionTCP, ssrc);
+                    sendOk(device, sendRtpItem, sdp, request, mediaServerItem, mediaTransmissionTCP, gb28181Sdp.getSsrc());
                 } else {
                     logger.warn("[语音通话]， 未发现待推送的流,app={},stream={}", broadcastCatch.getApp(), broadcastCatch.getStream());
                     try {
@@ -206,7 +206,7 @@ public class MediaServerServiceImpl implements IMediaServerService {
     @Override
     public void closeRTPServer(String mediaServerId, String streamId) {
         MediaServerItem mediaServerItem = this.getOne(mediaServerId);
-        if (mediaServerItem.isRtpEnable()) {
+        if (mediaServerItem != null && mediaServerItem.isRtpEnable()) {
             closeRTPServer(mediaServerItem, streamId);
         }
         zlmresTfulUtils.closeStreams(mediaServerItem, "rtp", streamId);
 package com.genersoft.iot.vmp.service.impl;
+import com.alibaba.fastjson2.JSONObject;
 import com.genersoft.iot.vmp.common.InviteInfo;
+import com.genersoft.iot.vmp.common.InviteSessionStatus;
 import com.genersoft.iot.vmp.common.InviteSessionType;
 import com.baomidou.dynamic.datasource.annotation.DS;
 import com.genersoft.iot.vmp.conf.DynamicTask;
@@ -11,6 +13,7 @@ import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
 import com.genersoft.iot.vmp.gb28181.session.SSRCFactory;
 import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
 import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommanderFroPlatform;
+import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils;
 import com.genersoft.iot.vmp.media.zlm.ZlmHttpHookSubscribe;
 import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeFactory;
 import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeForStreamChange;
@@ -22,20 +25,20 @@ import com.genersoft.iot.vmp.service.IInviteStreamService;
 import com.genersoft.iot.vmp.service.IMediaServerService;
 import com.genersoft.iot.vmp.service.IPlatformService;
 import com.genersoft.iot.vmp.service.IPlayService;
-import com.genersoft.iot.vmp.service.bean.GPSMsgInfo;
-import com.genersoft.iot.vmp.service.bean.InviteTimeOutCallback;
-import com.genersoft.iot.vmp.service.bean.SSRCInfo;
+import com.genersoft.iot.vmp.service.bean.*;
 import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
 import com.genersoft.iot.vmp.storager.dao.*;
 import com.genersoft.iot.vmp.utils.DateUtil;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
 import gov.nist.javax.sip.message.SIPRequest;
+import gov.nist.javax.sip.message.SIPResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import javax.sdp.*;
 import javax.sip.InvalidArgumentException;
 import javax.sip.ResponseEvent;
 import javax.sip.PeerUnavailableException;
@@ -109,6 +112,9 @@ public class PlatformServiceImpl implements IPlatformService {
     @Autowired
     private IInviteStreamService inviteStreamService;
+    @Autowired
+    private ZLMRESTfulUtils zlmresTfulUtils;
+
     @Override
     public ParentPlatform queryPlatformByServerGBId(String platformGbId) {
@@ -466,21 +472,21 @@ public class PlatformServiceImpl implements IPlatformService {
             logger.info("[国标级联] 语音喊话未找到可用的zlm. platform: {}", platform.getServerGBId());
             return;
         }
-        InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, platform.getServerGBId(), channelId);
+        InviteInfo inviteInfoForOld = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, platform.getServerGBId(), channelId);
-        if (inviteInfo != null && inviteInfo.getStreamInfo() != null) {
+        if (inviteInfoForOld != null && inviteInfoForOld.getStreamInfo() != null) {
             // 如果zlm不存在这个流，则删除数据即可
-            MediaServerItem mediaServerItemForStreamInfo = mediaServerService.getOne(inviteInfo.getStreamInfo().getMediaServerId());
+            MediaServerItem mediaServerItemForStreamInfo = mediaServerService.getOne(inviteInfoForOld.getStreamInfo().getMediaServerId());
             if (mediaServerItemForStreamInfo != null) {
-                Boolean ready = zlmServerFactory.isStreamReady(mediaServerItemForStreamInfo, inviteInfo.getStreamInfo().getApp(), inviteInfo.getStreamInfo().getStream());
+                Boolean ready = zlmServerFactory.isStreamReady(mediaServerItemForStreamInfo, inviteInfoForOld.getStreamInfo().getApp(), inviteInfoForOld.getStreamInfo().getStream());
                 if (!ready) {
                     // 错误存在于redis中的数据
-                    inviteStreamService.removeInviteInfo(inviteInfo);
+                    inviteStreamService.removeInviteInfo(inviteInfoForOld);
                 }else {
                     // 流确实尚在推流，直接回调结果
                     OnStreamChangedHookParam hookParam = new OnStreamChangedHookParam();
-                    hookParam.setApp(inviteInfo.getStreamInfo().getApp());
-                    hookParam.setStream(inviteInfo.getStreamInfo().getStream());
+                    hookParam.setApp(inviteInfoForOld.getStreamInfo().getApp());
+                    hookParam.setStream(inviteInfoForOld.getStreamInfo().getStream());
                     hookEvent.response(mediaServerItemForStreamInfo, hookParam);
                     return;
@@ -515,6 +521,11 @@ public class PlatformServiceImpl implements IPlatformService {
         logger.info("[国标级联] 语音喊话，发起Invite消息 deviceId: {}, channelId: {},收流端口： {}, 收流模式：{}, SSRC: {}, SSRC校验：{}",
                 platform.getServerGBId(), channelId, ssrcInfo.getPort(), userSetting.getBroadcastForPlatform(), ssrcInfo.getSsrc(), ssrcCheck);
+        // 初始化redis中的invite消息状态
+        InviteInfo inviteInfo = InviteInfo.getInviteInfo(platform.getServerGBId(), channelId, ssrcInfo.getStream(), ssrcInfo,
+                mediaServerItem.getSdpIp(), ssrcInfo.getPort(), userSetting.getBroadcastForPlatform(), InviteSessionType.BROADCAST,
+                InviteSessionStatus.ready);
+        inviteStreamService.updateInviteInfo(inviteInfo);
         String timeOutTaskKey = UUID.randomUUID().toString();
         dynamicTask.startDelay(timeOutTaskKey, () -> {
             // 执行超时任务时查询是否已经成功，成功了则不执行超时任务，防止超时任务取消失败的情况
@@ -545,50 +556,206 @@ public class PlatformServiceImpl implements IPlatformService {
                 hookEvent.response(mediaServerItem, hookParam);
             }
         }, event -> {
-            // 收到200OK 检测ssrc是否有变化，防止上级自定义了ssrc
-            ResponseEvent responseEvent = (ResponseEvent) event.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) || ssrcCheck) {
-                    return;
+
+            inviteOKHandler(event, ssrcInfo, tcpMode, ssrcCheck, mediaServerItem, platform, channelId, timeOutTaskKey,
+                    null, inviteInfo, InviteSessionType.BROADCAST);
+//            // 收到200OK 检测ssrc是否有变化，防止上级自定义了ssrc
+//            ResponseEvent responseEvent = (ResponseEvent) event.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) || ssrcCheck) {
+//                    tcpActiveHandler(platform, )
+//                    return;
+//                }
+//                logger.info("[点播消息] 收到invite 200, 发现下级自定义了ssrc: {}", ssrcInResponse);
+//                if (!mediaServerItem.isRtpEnable()) {
+//                    logger.info("[点播消息] SSRC修正 {}->{}", ssrcInfo.getSsrc(), ssrcInResponse);
+//                    // 释放ssrc
+//                    mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
+//                    // 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, (mediaServerItemInUse, hookParam) -> {
+//                            logger.info("[ZLM HOOK] ssrc修正后收到订阅消息： " + hookParam);
+//                            dynamicTask.stop(timeOutTaskKey);
+//                            // hook响应
+//                            playService.onPublishHandlerForPlay(mediaServerItemInUse, hookParam, platform.getServerGBId(), channelId);
+//                            hookEvent.response(mediaServerItemInUse, hookParam);
+//                        });
+//                    }
+//                    // 关闭rtp server
+//                    mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
+//                    // 重新开启ssrc server
+//                    mediaServerService.openRTPServer(mediaServerItem, ssrcInfo.getStream(), ssrcInResponse, false, false, ssrcInfo.getPort(), true, false, tcpMode);
+//                }
+//            }
+        }, eventResult -> {
+            // 收到错误回复
+            if (errorEvent != null) {
+                errorEvent.response(eventResult);
+            }
+        });
+    }
+
+    private void inviteOKHandler(SipSubscribe.EventResult eventResult, SSRCInfo ssrcInfo, int tcpMode, boolean ssrcCheck, MediaServerItem mediaServerItem,
+                                 ParentPlatform platform, String channelId, String timeOutTaskKey, ErrorCallback<Object> callback,
+                                 InviteInfo inviteInfo, InviteSessionType inviteSessionType){
+        inviteInfo.setStatus(InviteSessionStatus.ok);
+        ResponseEvent responseEvent = (ResponseEvent) eventResult.event;
+        String contentString = new String(responseEvent.getResponse().getRawContent());
+        System.out.println(1111);
+        System.out.println(contentString);
+        String ssrcInResponse = SipUtils.getSsrcFromSdp(contentString);
+        // 兼容回复的消息中缺少ssrc(y字段)的情况
+        if (ssrcInResponse == null) {
+            ssrcInResponse = ssrcInfo.getSsrc();
+        }
+        if (ssrcInfo.getSsrc().equals(ssrcInResponse)) {
+            // ssrc 一致
+            if (mediaServerItem.isRtpEnable()) {
+                // 多端口
+                if (tcpMode == 2) {
+                    tcpActiveHandler(platform, channelId, contentString, mediaServerItem, tcpMode, ssrcCheck,
+                            timeOutTaskKey, ssrcInfo, callback);
+                }
+            }else {
+                // 单端口
+                if (tcpMode == 2) {
+                    logger.warn("[Invite 200OK] 单端口收流模式不支持tcp主动模式收流");
                 }
-                logger.info("[点播消息] 收到invite 200, 发现下级自定义了ssrc: {}", ssrcInResponse);
-                if (!mediaServerItem.isRtpEnable()) {
-                    logger.info("[点播消息] SSRC修正 {}->{}", ssrcInfo.getSsrc(), ssrcInResponse);
+            }
+        }else {
+            logger.info("[Invite 200OK] 收到invite 200, 发现下级自定义了ssrc: {}", ssrcInResponse);
+            // ssrc 不一致
+            if (mediaServerItem.isRtpEnable()) {
+                // 多端口
+                if (ssrcCheck) {
+                    // ssrc检验
+                    // 更新ssrc
+                    logger.info("[Invite 200OK] SSRC修正 {}->{}", ssrcInfo.getSsrc(), ssrcInResponse);
                     // 释放ssrc
                     mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
-                    // 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, (mediaServerItemInUse, hookParam) -> {
-                            logger.info("[ZLM HOOK] ssrc修正后收到订阅消息： " + hookParam);
-                            dynamicTask.stop(timeOutTaskKey);
-                            // hook响应
-                            playService.onPublishHandlerForPlay(mediaServerItemInUse, hookParam, platform.getServerGBId(), channelId);
-                            hookEvent.response(mediaServerItemInUse, hookParam);
-                        });
+                    Boolean result = mediaServerService.updateRtpServerSSRC(mediaServerItem, ssrcInfo.getStream(), ssrcInResponse);
+                    if (!result) {
+                        try {
+                            logger.warn("[Invite 200OK] 更新ssrc失败，停止喊话 {}/{}", platform.getServerGBId(), channelId);
+                            commanderForPlatform.streamByeCmd(platform, channelId, ssrcInfo.getStream(), null, null);
+                        } catch (InvalidArgumentException | SipException | ParseException | SsrcTransactionNotFoundException e) {
+                            logger.error("[命令发送失败] 停止播放， 发送BYE: {}", e.getMessage());
+                        }
+
+                        dynamicTask.stop(timeOutTaskKey);
+                        // 释放ssrc
+                        mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
+
+                        streamSession.remove(platform.getServerGBId(), channelId, ssrcInfo.getStream());
+
+                        callback.run(InviteErrorCode.ERROR_FOR_RESET_SSRC.getCode(),
+                                "下级自定义了ssrc,重新设置收流信息失败", null);
+                        inviteStreamService.call(inviteSessionType, platform.getServerGBId(), channelId, null,
+                                InviteErrorCode.ERROR_FOR_RESET_SSRC.getCode(),
+                                "下级自定义了ssrc,重新设置收流信息失败", null);
+
+                    }else {
+                        ssrcInfo.setSsrc(ssrcInResponse);
+                        inviteInfo.setSsrcInfo(ssrcInfo);
+                        inviteInfo.setStream(ssrcInfo.getStream());
+                        if (tcpMode == 2) {
+                            if (mediaServerItem.isRtpEnable()) {
+                                tcpActiveHandler(platform, channelId, contentString, mediaServerItem, tcpMode, ssrcCheck,
+                                        timeOutTaskKey, ssrcInfo, callback);
+                            }else {
+                                logger.warn("[Invite 200OK] 单端口收流模式不支持tcp主动模式收流");
+                            }
+                        }
+                        inviteStreamService.updateInviteInfo(inviteInfo);
                     }
-                    // 关闭rtp server
-                    mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
-                    // 重新开启ssrc server
-                    mediaServerService.openRTPServer(mediaServerItem, ssrcInfo.getStream(), ssrcInResponse, false, false, ssrcInfo.getPort(), true, false, tcpMode);
+                }else {
+                    ssrcInfo.setSsrc(ssrcInResponse);
+                    inviteInfo.setSsrcInfo(ssrcInfo);
+                    inviteInfo.setStream(ssrcInfo.getStream());
+                    if (tcpMode == 2) {
+                        if (mediaServerItem.isRtpEnable()) {
+                            tcpActiveHandler(platform, channelId, contentString, mediaServerItem, tcpMode, ssrcCheck,
+                                    timeOutTaskKey, ssrcInfo, callback);
+                        }else {
+                            logger.warn("[Invite 200OK] 单端口收流模式不支持tcp主动模式收流");
+                        }
+                    }
+                    inviteStreamService.updateInviteInfo(inviteInfo);
+                }
+            }else {
+                if (ssrcInResponse != null) {
+                    // 单端口
+                    // 重新订阅流上线
+                    SsrcTransaction ssrcTransaction = streamSession.getSsrcTransaction(inviteInfo.getDeviceId(),
+                            inviteInfo.getChannelId(), null, inviteInfo.getStream());
+                    streamSession.remove(inviteInfo.getDeviceId(),
+                            inviteInfo.getChannelId(), inviteInfo.getStream());
+                    inviteStreamService.updateInviteInfoForSSRC(inviteInfo, ssrcInResponse);
+                    streamSession.put(platform.getServerGBId(), channelId, ssrcTransaction.getCallId(),
+                            inviteInfo.getStream(), ssrcInResponse, mediaServerItem.getId(), (SIPResponse) responseEvent.getResponse(), inviteSessionType);
                 }
             }
-        }, eventResult -> {
-            // 收到错误回复
-            if (errorEvent != null) {
-                errorEvent.response(eventResult);
+        }
+    }
+
+
+    private void tcpActiveHandler(ParentPlatform platform, String channelId, String contentString,
+                                  MediaServerItem mediaServerItem, int tcpMode, boolean ssrcCheck,
+                                  String timeOutTaskKey, SSRCInfo ssrcInfo, ErrorCallback<Object> callback){
+        if (tcpMode != 2) {
+            return;
+        }
+
+        String substring;
+        if (contentString.indexOf("y=") > 0) {
+            substring = contentString.substring(0, contentString.indexOf("y="));
+        }else {
+            substring = contentString;
+        }
+        try {
+            SessionDescription sdp = SdpFactory.getInstance().createSessionDescription(substring);
+            int port = -1;
+            Vector mediaDescriptions = sdp.getMediaDescriptions(true);
+            for (Object description : mediaDescriptions) {
+                MediaDescription mediaDescription = (MediaDescription) description;
+                Media media = mediaDescription.getMedia();
+
+                Vector mediaFormats = media.getMediaFormats(false);
+                if (mediaFormats.contains("8") || mediaFormats.contains("0")) {
+                    port = media.getMediaPort();
+                    break;
+                }
             }
-        });
+            logger.info("[TCP主动连接对方] serverGbId: {}, channelId: {}, 连接对方的地址：{}:{}, SSRC: {}, SSRC校验：{}",
+                    platform.getServerGBId(), channelId, sdp.getConnection().getAddress(), port, ssrcInfo.getSsrc(), ssrcCheck);
+            JSONObject jsonObject = zlmresTfulUtils.connectRtpServer(mediaServerItem, sdp.getConnection().getAddress(), port, ssrcInfo.getStream());
+            logger.info("[TCP主动连接对方] 结果： {}", jsonObject);
+        } catch (SdpException e) {
+            logger.error("[TCP主动连接对方] serverGbId: {}, channelId: {}, 解析200OK的SDP信息失败", platform.getServerGBId(), channelId, e);
+            dynamicTask.stop(timeOutTaskKey);
+            mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
+            // 释放ssrc
+            mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
+
+            streamSession.remove(platform.getServerGBId(), channelId, ssrcInfo.getStream());
+
+            callback.run(InviteErrorCode.ERROR_FOR_SDP_PARSING_EXCEPTIONS.getCode(),
+                    InviteErrorCode.ERROR_FOR_SDP_PARSING_EXCEPTIONS.getMsg(), null);
+            inviteStreamService.call(InviteSessionType.PLAY, platform.getServerGBId(), channelId, null,
+                    InviteErrorCode.ERROR_FOR_SDP_PARSING_EXCEPTIONS.getCode(),
+                    InviteErrorCode.ERROR_FOR_SDP_PARSING_EXCEPTIONS.getMsg(), null);
+        }
     }
     @Override
@@ -18,7 +18,6 @@ import com.genersoft.iot.vmp.vmanager.gb28181.platform.bean.ChannelReduce;
 import com.genersoft.iot.vmp.web.gb28181.dto.DeviceChannelExtend;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
-import com.sun.org.apache.xml.internal.resolver.Catalog;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;