修复空指针异常

648540858

2024-01-10 c25a99d60bef3d3bbd59fee895bd658928fd00db

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

old mode 100644
new mode 100755
@@ -1,12 +1,12 @@
package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.genersoft.iot.vmp.common.StreamInfo;
import com.genersoft.iot.vmp.conf.DynamicTask;
import com.genersoft.iot.vmp.conf.UserSetting;
import com.genersoft.iot.vmp.gb28181.bean.*;
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.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.SIPSender;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommanderFroPlatform;
@@ -14,13 +14,13 @@
import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
import com.genersoft.iot.vmp.media.zlm.ZLMMediaListManager;
import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory;
import com.genersoft.iot.vmp.media.zlm.ZLMServerFactory;
import com.genersoft.iot.vmp.media.zlm.ZlmHttpHookSubscribe;
import com.genersoft.iot.vmp.media.zlm.dto.*;
import com.genersoft.iot.vmp.service.IMediaServerService;
import com.genersoft.iot.vmp.service.IPlayService;
import com.genersoft.iot.vmp.service.IStreamProxyService;
import com.genersoft.iot.vmp.service.IStreamPushService;
import com.genersoft.iot.vmp.media.zlm.dto.hook.OnStreamChangedHookParam;
import com.genersoft.iot.vmp.service.*;
import com.genersoft.iot.vmp.service.bean.ErrorCallback;
import com.genersoft.iot.vmp.service.bean.InviteErrorCode;
import com.genersoft.iot.vmp.service.bean.MessageForPushChannel;
import com.genersoft.iot.vmp.service.bean.SSRCInfo;
import com.genersoft.iot.vmp.service.redisMsg.RedisGbPlayMsgListener;
@@ -46,6 +46,8 @@
import javax.sip.message.Response;
import java.text.ParseException;
import java.time.Instant;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import java.util.Vector;

@@ -75,6 +77,9 @@
    private IRedisCatchStorage redisCatchStorage;

    @Autowired
    private IInviteStreamService inviteStreamService;

    @Autowired
    private SSRCFactory ssrcFactory;

    @Autowired
@@ -90,7 +95,7 @@
    private SIPSender sipSender;

    @Autowired
    private ZLMRTPServerFactory zlmrtpServerFactory;
    private ZLMServerFactory zlmServerFactory;

    @Autowired
    private IMediaServerService mediaServerService;
@@ -100,9 +105,6 @@

    @Autowired
    private SIPProcessorObserver sipProcessorObserver;

    @Autowired
    private VideoStreamSessionManager sessionManager;

    @Autowired
    private UserSetting userSetting;
@@ -135,7 +137,7 @@
            String requesterId = SipUtils.getUserIdFromFromHeader(request);
            CallIdHeader callIdHeader = (CallIdHeader) request.getHeader(CallIdHeader.NAME);
            if (requesterId == null || channelId == null) {
                logger.info("无法从FromHeader的Address中获取到平台id，返回400");
                logger.info("无法从请求中获取到平台id，返回400");
                // 参数不全， 发400，请求错误
                try {
                    responseAck(request, Response.BAD_REQUEST);
@@ -155,7 +157,7 @@
                // 查询平台下是否有该通道
                DeviceChannel channel = storager.queryChannelInParentPlatform(requesterId, channelId);
                GbStream gbStream = storager.queryStreamInParentPlatform(requesterId, channelId);
                PlatformCatalog catalog = storager.getCatalog(channelId);
                PlatformCatalog catalog = storager.getCatalog(requesterId, channelId);

                MediaServerItem mediaServerItem = null;
                StreamPushItem streamPushItem = null;
@@ -241,21 +243,8 @@
                // 解析sdp消息, 使用jainsip 自带的sdp解析方式
                String contentString = new String(request.getRawContent());

                // jainSip不支持y=字段， 移除以解析。
                int ssrcIndex = contentString.indexOf("y=");
                // 检查是否有y字段
                String ssrcDefault = "0000000000";
                String ssrc;
                SessionDescription sdp;
                if (ssrcIndex >= 0) {
                    //ssrc规定长度为10个字节，不取余下长度以避免后续还有“f=”字段
                    ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
                    String substring = contentString.substring(0, contentString.indexOf("y="));
                    sdp = SdpFactory.getInstance().createSessionDescription(substring);
                } else {
                    ssrc = ssrcDefault;
                    sdp = SdpFactory.getInstance().createSessionDescription(contentString);
                }
                Gb28181Sdp gb28181Sdp = SipUtils.parseSDP(contentString);
                SessionDescription sdp = gb28181Sdp.getBaseSdb();
                String sessionName = sdp.getSessionName().getValue();

                Long startTime = null;
@@ -317,7 +306,7 @@
                String username = sdp.getOrigin().getUsername();
                String addressStr = sdp.getConnection().getAddress();

                logger.info("[上级点播]用户：{}， 通道：{}, 地址：{}:{}， ssrc：{}", username, channelId, addressStr, port, ssrc);

                Device device = null;
                // 通过 channel 和 gbStream 是否为null 值判断来源是直播流合适国标
                if (channel != null) {
@@ -341,7 +330,26 @@
                        }
                        return;
                    }
                    SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,

                    String ssrc;
                    if (userSetting.getUseCustomSsrcForParentInvite() || gb28181Sdp.getSsrc() == null) {
                        // 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
                        ssrc = "Play".equalsIgnoreCase(sessionName) ? ssrcFactory.getPlaySsrc(mediaServerItem.getId()) : ssrcFactory.getPlayBackSsrc(mediaServerItem.getId());
                    }else {
                        ssrc = gb28181Sdp.getSsrc();
                    }
                    String streamTypeStr = null;
                    if (mediaTransmissionTCP) {
                        if (tcpActive) {
                            streamTypeStr = "TCP-ACTIVE";
                        }else {
                            streamTypeStr = "TCP-PASSIVE";
                        }
                    }else {
                        streamTypeStr = "UDP";
                    }
                    logger.info("[上级Invite] {}, 平台：{}， 通道：{}, 收流地址：{}:{}，收流方式：{}, ssrc：{}", sessionName, username, channelId, addressStr, port, streamTypeStr, ssrc);
                    SendRtpItem sendRtpItem = zlmServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                            device.getDeviceId(), channelId, mediaTransmissionTCP, platform.isRtcp());

                    if (tcpActive != null) {
@@ -361,10 +369,10 @@

                    Long finalStartTime = startTime;
                    Long finalStopTime = stopTime;
                    ZlmHttpHookSubscribe.Event hookEvent = (mediaServerItemInUSe, responseJSON) -> {
                        String app = responseJSON.getString("app");
                        String stream = responseJSON.getString("stream");
                        logger.info("[上级点播]下级已经开始推流。 回复200OK(SDP)， {}/{}", app, stream);
                    ErrorCallback<Object> hookEvent = (code, msg, data) -> {
                        StreamInfo streamInfo = (StreamInfo)data;
                        MediaServerItem mediaServerItemInUSe = mediaServerService.getOne(streamInfo.getMediaServerId());
                        logger.info("[上级Invite]下级已经开始推流。 回复200OK(SDP)， {}/{}", streamInfo.getApp(), streamInfo.getStream());
                        //     * 0 等待设备推流上来
                        //     * 1 下级已经推流，等待上级平台回复ack
                        //     * 2 推流中
@@ -392,6 +400,7 @@
                        content.append("y=" + sendRtpItem.getSsrc() + "\r\n");
                        content.append("f=\r\n");


                        try {
                            // 超时未收到Ack应该回复bye,当前等待时间为10秒
                            dynamicTask.startDelay(callIdHeader.getCallId(), () -> {
@@ -405,16 +414,44 @@
                                }
                            }, 60 * 1000);
                            responseSdpAck(request, content.toString(), platform);

                            // tcp主动模式，回复sdp后开启监听
                            if (sendRtpItem.isTcpActive()) {
                                MediaServerItem mediaInfo = mediaServerService.getOne(sendRtpItem.getMediaServerId());
                                Map<String, Object> param = new HashMap<>(12);
                                param.put("vhost","__defaultVhost__");
                                param.put("app",sendRtpItem.getApp());
                                param.put("stream",sendRtpItem.getStreamId());
                                param.put("ssrc", sendRtpItem.getSsrc());
                                if (!sendRtpItem.isTcpActive()) {
                                    param.put("dst_url",sendRtpItem.getIp());
                                    param.put("dst_port", sendRtpItem.getPort());
                                }
                                String is_Udp = sendRtpItem.isTcp() ? "0" : "1";
                                param.put("is_udp", is_Udp);
                                param.put("src_port", localPort);
                                param.put("pt", sendRtpItem.getPt());
                                param.put("use_ps", sendRtpItem.isUsePs() ? "1" : "0");
                                param.put("only_audio", sendRtpItem.isOnlyAudio() ? "1" : "0");
                                if (!sendRtpItem.isTcp()) {
                                    // 开启rtcp保活
                                    param.put("udp_rtcp_timeout", sendRtpItem.isRtcp()? "1":"0");
                                }
                                JSONObject startSendRtpStreamResult = zlmServerFactory.startSendRtpStreamForPassive(mediaInfo, param);
                                if (startSendRtpStreamResult != null) {
                                    startSendRtpStreamHand(evt, sendRtpItem, null, startSendRtpStreamResult, param, callIdHeader);
                                }
                            }
                        } catch (SipException | InvalidArgumentException | ParseException e) {
                            logger.error("[命令发送失败] 国标级联 回复SdpAck", e);
                        }
                    };
                    SipSubscribe.Event errorEvent = ((event) -> {
                    ErrorCallback<Object> errorEvent = ((statusCode, msg, data) -> {
                        // 未知错误。直接转发设备点播的错误
                        try {
                            Response response = getMessageFactory().createResponse(event.statusCode, evt.getRequest());
                            sipSender.transmitRequest(request.getLocalAddress().getHostAddress(), response);
                            if (statusCode > 0) {
                                Response response = getMessageFactory().createResponse(statusCode, evt.getRequest());
                                sipSender.transmitRequest(request.getLocalAddress().getHostAddress(), response);
                            }
                        } catch (ParseException | SipException  e) {
                            logger.error("未处理的异常 ", e);
                        }
@@ -422,85 +459,86 @@
                    sendRtpItem.setApp("rtp");
                    if ("Playback".equalsIgnoreCase(sessionName)) {
                        sendRtpItem.setPlayType(InviteStreamType.PLAYBACK);
                        SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, null, null, device.isSsrcCheck(), true, 0, false, device.getStreamModeForParam());
                        String startTimeStr = DateUtil.urlFormatter.format(start);
                        String endTimeStr = DateUtil.urlFormatter.format(end);
                        String stream = device.getDeviceId() + "_" + channelId + "_" + startTimeStr + "_" + endTimeStr;
                        SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, stream, null, device.isSsrcCheck(), true, 0, false, device.getStreamModeForParam());
                        sendRtpItem.setStreamId(ssrcInfo.getStream());
                        // 写入redis， 超时时回复
                        redisCatchStorage.updateSendRTPSever(sendRtpItem);
                        playService.playBack(mediaServerItem, ssrcInfo, device.getDeviceId(), channelId, DateUtil.formatter.format(start),
                                DateUtil.formatter.format(end), null, result -> {
                                    if (result.getCode() != 0) {
                                        logger.warn("录像回放失败");
                                        if (result.getEvent() != null) {
                                            errorEvent.response(result.getEvent());
                                        }
                                DateUtil.formatter.format(end),
                                (code, msg, data) -> {
                                    if (code == InviteErrorCode.SUCCESS.getCode()){
                                        hookEvent.run(code, msg, data);
                                    }else if (code == InviteErrorCode.ERROR_FOR_SIGNALLING_TIMEOUT.getCode() || code == InviteErrorCode.ERROR_FOR_STREAM_TIMEOUT.getCode()){
                                        logger.info("[录像回放]超时, 用户：{}， 通道：{}", username, channelId);
                                        redisCatchStorage.deleteSendRTPServer(platform.getServerGBId(), channelId, callIdHeader.getCallId(), null);
                                        try {
                                            responseAck(request, Response.REQUEST_TIMEOUT);
                                        } catch (SipException | InvalidArgumentException | ParseException e) {
                                            logger.error("[命令发送失败] 国标级联 录像回放 发送REQUEST_TIMEOUT: {}", e.getMessage());
                                        }
                                        errorEvent.run(code, msg, data);
                                    }else {
                                        errorEvent.run(code, msg, data);
                                    }
                                });
                    } else if ("Download".equalsIgnoreCase(sessionName)) {
                        // 获取指定的下载速度
                        Vector sdpMediaDescriptions = sdp.getMediaDescriptions(true);
                        MediaDescription mediaDescription = null;
                        String downloadSpeed = "1";
                        if (sdpMediaDescriptions.size() > 0) {
                            mediaDescription = (MediaDescription) sdpMediaDescriptions.get(0);
                        }
                        if (mediaDescription != null) {
                            downloadSpeed = mediaDescription.getAttribute("downloadspeed");
                        }

                        sendRtpItem.setPlayType(InviteStreamType.DOWNLOAD);
                        SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, null, null, device.isSsrcCheck(), true, 0, false, device.getStreamModeForParam());
                        sendRtpItem.setStreamId(ssrcInfo.getStream());
                        // 写入redis， 超时时回复
                        redisCatchStorage.updateSendRTPSever(sendRtpItem);
                        playService.download(mediaServerItem, ssrcInfo, device.getDeviceId(), channelId, DateUtil.formatter.format(start),
                                DateUtil.formatter.format(end), Integer.parseInt(downloadSpeed),
                                (code, msg, data) -> {
                                    if (code == InviteErrorCode.SUCCESS.getCode()) {
                                        hookEvent.run(code, msg, data);
                                    } else if (code == InviteErrorCode.ERROR_FOR_SIGNALLING_TIMEOUT.getCode() || code == InviteErrorCode.ERROR_FOR_STREAM_TIMEOUT.getCode()) {
                                        logger.info("[录像下载]超时, 用户：{}， 通道：{}", username, channelId);
                                        redisCatchStorage.deleteSendRTPServer(platform.getServerGBId(), channelId, callIdHeader.getCallId(), null);
                                        errorEvent.run(code, msg, data);
                                    } else {
                                        if (result.getMediaServerItem() != null) {
                                            hookEvent.response(result.getMediaServerItem(), result.getResponse());
                                        }
                                        errorEvent.run(code, msg, data);
                                    }
                                });
                    } else {
                        sendRtpItem.setPlayType(InviteStreamType.PLAY);
                        SsrcTransaction playTransaction = sessionManager.getSsrcTransaction(device.getDeviceId(), channelId, "play", null);
                        if (playTransaction != null) {
                            Boolean streamReady = zlmrtpServerFactory.isStreamReady(mediaServerItem, "rtp", playTransaction.getStream());
                            if (!streamReady) {
                                boolean hasRtpServer = mediaServerService.checkRtpServer(mediaServerItem, "rtp", playTransaction.getStream());
                                if (hasRtpServer) {
                                    logger.info("[上级点播]已经开启rtpServer但是尚未收到流，开启监听流的到来");
                                    HookSubscribeForStreamChange hookSubscribe = HookSubscribeFactory.on_stream_changed("rtp", playTransaction.getStream(), true, "rtsp", mediaServerItem.getId());
                                    zlmHttpHookSubscribe.addSubscribe(hookSubscribe, hookEvent);
                                }else {
                                    playTransaction = null;
                                }
                            }
                        }
                        if (playTransaction == null) {
                            String streamId = null;
                            if (mediaServerItem.isRtpEnable()) {
                                streamId = String.format("%s_%s", device.getDeviceId(), channelId);
                            }
                            SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, streamId, null, device.isSsrcCheck(), false, 0, false, device.getStreamModeForParam());
                            logger.info(JSONObject.toJSONString(ssrcInfo));
                            sendRtpItem.setStreamId(ssrcInfo.getStream());
                            sendRtpItem.setSsrc(ssrc.equals(ssrcDefault) ? ssrcInfo.getSsrc() : ssrc);

                            // 写入redis， 超时时回复
                            redisCatchStorage.updateSendRTPSever(sendRtpItem);
                            MediaServerItem finalMediaServerItem = mediaServerItem;
                            playService.play(mediaServerItem, ssrcInfo, device, channelId, hookEvent, errorEvent, (code, msg) -> {
                        SSRCInfo ssrcInfo = playService.play(mediaServerItem, device.getDeviceId(), channelId, ssrc, ((code, msg, data) -> {
                            if (code == InviteErrorCode.SUCCESS.getCode()) {
                                hookEvent.run(code, msg, data);
                            } else if (code == InviteErrorCode.ERROR_FOR_SIGNALLING_TIMEOUT.getCode() || code == InviteErrorCode.ERROR_FOR_STREAM_TIMEOUT.getCode()) {
                                logger.info("[上级点播]超时, 用户：{}， 通道：{}", username, channelId);
                                redisCatchStorage.deleteSendRTPServer(platform.getServerGBId(), channelId, callIdHeader.getCallId(), null);
                            });
                        } else {
                            // 当前系统作为下级平台使用，当上级平台点播时不携带ssrc时，并且设备在当前系统中已经点播了。这个时候需要重新给生成一个ssrc，不使用默认的"0000000000"。
                            if (ssrc.equals(ssrcDefault)) {
                                ssrc = ssrcFactory.getPlaySsrc(mediaServerItem.getId());
                                ssrcFactory.releaseSsrc(mediaServerItem.getId(), ssrc);
                                sendRtpItem.setSsrc(ssrc);
                                errorEvent.run(code, msg, data);
                            } else {
                                errorEvent.run(code, msg, data);
                            }
                        }));
                        sendRtpItem.setPlayType(InviteStreamType.PLAY);
                        String streamId = String.format("%s_%s", device.getDeviceId(), channelId);
                        sendRtpItem.setStreamId(streamId);
                        sendRtpItem.setSsrc(ssrcInfo.getSsrc());
                        redisCatchStorage.updateSendRTPSever(sendRtpItem);

                            sendRtpItem.setStreamId(playTransaction.getStream());
                            // 写入redis， 超时时回复
                            redisCatchStorage.updateSendRTPSever(sendRtpItem);
                            JSONObject jsonObject = new JSONObject();
                            jsonObject.put("app", sendRtpItem.getApp());
                            jsonObject.put("stream", sendRtpItem.getStreamId());
                            hookEvent.response(mediaServerItem, jsonObject);
                        }
                    }
                } else if (gbStream != null) {
                    if(ssrc.equals(ssrcDefault))
                    {
                        ssrc = ssrcFactory.getPlaySsrc(mediaServerItem.getId());
                        ssrcFactory.releaseSsrc(mediaServerItem.getId(), ssrc);

                    String ssrc;
                    if (userSetting.getUseCustomSsrcForParentInvite() || gb28181Sdp.getSsrc() == null) {
                        // 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
                        ssrc = "Play".equalsIgnoreCase(sessionName) ? ssrcFactory.getPlaySsrc(mediaServerItem.getId()) : ssrcFactory.getPlayBackSsrc(mediaServerItem.getId());
                    }else {
                        ssrc = gb28181Sdp.getSsrc();
                    }

                    if("push".equals(gbStream.getStreamType())) {
                        if (streamPushItem != null && streamPushItem.isPushIng()) {
                            // 推流状态
@@ -534,6 +572,18 @@
        }
    }

    private void startSendRtpStreamHand(RequestEvent evt, SendRtpItem sendRtpItem, ParentPlatform parentPlatform,
                                        JSONObject jsonObject, Map<String, Object> param, CallIdHeader callIdHeader) {
        if (jsonObject == null) {
            logger.error("下级TCP被动启动监听失败: 请检查ZLM服务");
        } else if (jsonObject.getInteger("code") == 0) {
            logger.info("调用ZLM-TCP被动推流接口, 结果： {}",  jsonObject);
            logger.info("启动监听TCP被动推流成功[ {}/{} ]，{}->{}:{}, " ,param.get("app"), param.get("stream"), jsonObject.getString("local_port"), param.get("dst_url"), param.get("dst_port"));
        } else {
            logger.error("启动监听TCP被动推流失败: {}, 参数：{}",jsonObject.getString("msg"), JSON.toJSONString(param));
        }
    }

    /**
     * 安排推流
     */
@@ -541,10 +591,10 @@
                            CallIdHeader callIdHeader, MediaServerItem mediaServerItem,
                            int port, Boolean tcpActive, boolean mediaTransmissionTCP,
                            String channelId, String addressStr, String ssrc, String requesterId) {
            Boolean streamReady = zlmrtpServerFactory.isStreamReady(mediaServerItem, gbStream.getApp(), gbStream.getStream());
            if (streamReady) {
            Boolean streamReady = zlmServerFactory.isStreamReady(mediaServerItem, gbStream.getApp(), gbStream.getStream());
            if (streamReady != null && streamReady) {
                // 自平台内容
                SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                SendRtpItem sendRtpItem = zlmServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                        gbStream.getApp(), gbStream.getStream(), channelId, mediaTransmissionTCP, platform.isRtcp());

                if (sendRtpItem == null) {
@@ -580,10 +630,10 @@
                            String channelId, String addressStr, String ssrc, String requesterId) {
        // 推流
        if (streamPushItem.isSelf()) {
            Boolean streamReady = zlmrtpServerFactory.isStreamReady(mediaServerItem, gbStream.getApp(), gbStream.getStream());
            if (streamReady) {
            Boolean streamReady = zlmServerFactory.isStreamReady(mediaServerItem, gbStream.getApp(), gbStream.getStream());
            if (streamReady != null && streamReady) {
                // 自平台内容
                SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                SendRtpItem sendRtpItem = zlmServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                        gbStream.getApp(), gbStream.getStream(), channelId, mediaTransmissionTCP, platform.isRtcp());

                if (sendRtpItem == null) {
@@ -635,10 +685,9 @@
            logger.info("[ app={}, stream={} ]通道未推流，启用流后开始推流", gbStream.getApp(), gbStream.getStream());
            // 监听流上线
            HookSubscribeForStreamChange hookSubscribe = HookSubscribeFactory.on_stream_changed(gbStream.getApp(), gbStream.getStream(), true, "rtsp", mediaServerItem.getId());
            zlmHttpHookSubscribe.addSubscribe(hookSubscribe, (mediaServerItemInUSe, responseJSON) -> {
                String app = responseJSON.getString("app");
                String stream = responseJSON.getString("stream");
                logger.info("[上级点播]拉流代理已经就绪， {}/{}", app, stream);
            zlmHttpHookSubscribe.addSubscribe(hookSubscribe, (mediaServerItemInUSe, hookParam) -> {
                OnStreamChangedHookParam streamChangedHookParam = (OnStreamChangedHookParam)hookParam;
                logger.info("[上级点播]拉流代理已经就绪， {}/{}", streamChangedHookParam.getApp(), streamChangedHookParam.getStream());
                dynamicTask.stop(callIdHeader.getCallId());
                pushProxyStream(evt, request, gbStream,  platform, callIdHeader, mediaServerItem, port, tcpActive,
                        mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
@@ -684,11 +733,7 @@
                try {
                    mediaListManager.removedChannelOnlineEventLister(gbStream.getApp(), gbStream.getStream());
                    responseAck(request, Response.REQUEST_TIMEOUT); // 超时
                } catch (SipException e) {
                    logger.error("未处理的异常 ", e);
                } catch (InvalidArgumentException e) {
                    logger.error("未处理的异常 ", e);
                } catch (ParseException e) {
                } catch (SipException | InvalidArgumentException | ParseException e) {
                    logger.error("未处理的异常 ", e);
                }
            }, userSetting.getPlatformPlayTimeout());
@@ -700,7 +745,7 @@
            mediaListManager.addChannelOnlineEventLister(gbStream.getApp(), gbStream.getStream(), (app, stream, serverId) -> {
                dynamicTask.stop(callIdHeader.getCallId());
                if (serverId.equals(userSetting.getServerId())) {
                    SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, finalPort, ssrc, requesterId,
                    SendRtpItem sendRtpItem = zlmServerFactory.createSendRtpItem(mediaServerItem, addressStr, finalPort, ssrc, requesterId,
                            app, stream, channelId, mediaTransmissionTCP, platform.isRtcp());

                    if (sendRtpItem == null) {
@@ -872,20 +917,11 @@
            }
            String contentString = new String(request.getRawContent());
            // jainSip不支持y=字段， 移除移除以解析。
            String substring = contentString;
            String ssrc = "0000000404";
            int ssrcIndex = contentString.indexOf("y=");
            if (ssrcIndex > 0) {
                substring = contentString.substring(0, ssrcIndex);
                ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
            }
            ssrcIndex = substring.indexOf("f=");
            if (ssrcIndex > 0) {
                substring = contentString.substring(0, ssrcIndex);
            }
            SessionDescription sdp = null;

            try {
                sdp = SdpFactory.getInstance().createSessionDescription(substring);
                Gb28181Sdp gb28181Sdp = SipUtils.parseSDP(contentString);
                SessionDescription sdp = gb28181Sdp.getBaseSdb();
                //  获取支持的格式
                Vector mediaDescriptions = sdp.getMediaDescriptions(true);
                // 查看是否支持PS 负载96