优化国标级联心跳失败判断逻辑

648540858

2023-10-07 c084d6c98af1ef4d36a61adc719df5db76589428

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

old mode 100644
new mode 100755
@@ -1,25 +1,26 @@
package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;

import com.alibaba.fastjson.JSONObject;
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.VideoStreamSessionManager;
import com.genersoft.iot.vmp.gb28181.session.SSRCFactory;
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
import com.genersoft.iot.vmp.gb28181.transmit.SIPSender;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommanderFroPlatform;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.ISIPRequestProcessor;
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.ZlmHttpHookSubscribe;
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;
@@ -38,12 +39,16 @@
import org.springframework.stereotype.Component;

import javax.sdp.*;
import javax.sip.*;
import javax.sip.InvalidArgumentException;
import javax.sip.RequestEvent;
import javax.sip.SipException;
import javax.sip.header.CallIdHeader;
import javax.sip.message.Request;
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;

/**
@@ -72,6 +77,12 @@
    private IRedisCatchStorage redisCatchStorage;

    @Autowired
    private IInviteStreamService inviteStreamService;

    @Autowired
    private SSRCFactory ssrcFactory;

    @Autowired
    private DynamicTask dynamicTask;

    @Autowired
@@ -81,10 +92,10 @@
    private IPlayService playService;

    @Autowired
    private ISIPCommander commander;
    private SIPSender sipSender;

    @Autowired
    private ZLMRTPServerFactory zlmrtpServerFactory;
    private ZLMServerFactory zlmServerFactory;

    @Autowired
    private IMediaServerService mediaServerService;
@@ -94,9 +105,6 @@

    @Autowired
    private SIPProcessorObserver sipProcessorObserver;

    @Autowired
    private VideoStreamSessionManager sessionManager;

    @Autowired
    private UserSetting userSetting;
@@ -124,16 +132,15 @@
    public void process(RequestEvent evt) {
        //  Invite Request消息实现，此消息一般为级联消息，上级给下级发送请求视频指令
        try {
            Request request = evt.getRequest();
            SIPRequest request = (SIPRequest)evt.getRequest();
            String channelId = SipUtils.getChannelIdFromRequest(request);
            String requesterId = SipUtils.getUserIdFromFromHeader(request);
            CallIdHeader callIdHeader = (CallIdHeader) request.getHeader(CallIdHeader.NAME);
            ServerTransaction serverTransaction = getServerTransaction(evt);
            if (requesterId == null || channelId == null) {
                logger.info("无法从FromHeader的Address中获取到平台id，返回400");
                // 参数不全， 发400，请求错误
                try {
                    responseAck(serverTransaction, Response.BAD_REQUEST);
                    responseAck(request, Response.BAD_REQUEST);
                } catch (SipException | InvalidArgumentException | ParseException e) {
                    logger.error("[命令发送失败] invite BAD_REQUEST: {}", e.getMessage());
                }
@@ -144,27 +151,22 @@
            // 查询请求是否来自上级平台\设备
            ParentPlatform platform = storager.queryParentPlatByServerGBId(requesterId);
            if (platform == null) {
                inviteFromDeviceHandle(serverTransaction, requesterId);
                inviteFromDeviceHandle(request, requesterId);

            } else {
                // 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;
                StreamProxyItem proxyByAppAndStream =null;
                // 不是通道可能是直播流
                if (channel != null && gbStream == null) {
//                    if (channel.getStatus() == 0) {
//                        logger.info("通道离线，返回400");
//                        responseAck(serverTransaction, Response.BAD_REQUEST, "channel [" + channel.getChannelId() + "] offline");
//                        return;
//                    }
                    // 通道存在，发100，TRYING
                    try {
                        responseAck(serverTransaction, Response.TRYING);
                        responseAck(request, Response.TRYING);
                    } catch (SipException | InvalidArgumentException | ParseException e) {
                        logger.error("[命令发送失败] invite TRYING: {}", e.getMessage());
                    }
@@ -176,21 +178,18 @@
                        if ("proxy".equals(gbStream.getStreamType())) {
                            logger.info("[ app={}, stream={} ]找不到zlm {}，返回410", gbStream.getApp(), gbStream.getStream(), mediaServerId);
                            try {
                                responseAck(serverTransaction, Response.GONE);
                                responseAck(request, Response.GONE);
                            } catch (SipException | InvalidArgumentException | ParseException e) {
                                logger.error("[命令发送失败] invite GONE: {}", e.getMessage());
                            }
                            return;
                        } else {
                            streamPushItem = streamPushService.getPush(gbStream.getApp(), gbStream.getStream());
                            if (streamPushItem == null || streamPushItem.getServerId().equals(userSetting.getServerId())) {
                                logger.info("[ app={}, stream={} ]找不到zlm {}，返回410", gbStream.getApp(), gbStream.getStream(), mediaServerId);
                                try {
                                    responseAck(serverTransaction, Response.GONE);
                                } catch (SipException | InvalidArgumentException | ParseException e) {
                                    logger.error("[命令发送失败] invite GONE: {}", e.getMessage());
                                }
                                return;
                            if (streamPushItem != null) {
                                mediaServerItem = mediaServerService.getOne(streamPushItem.getMediaServerId());
                            }
                            if (mediaServerItem == null) {
                                mediaServerItem = mediaServerService.getDefaultMediaServer();
                            }
                        }
                    } else {
@@ -199,7 +198,7 @@
                            if (streamPushItem == null) {
                                logger.info("[ app={}, stream={} ]找不到zlm {}，返回410", gbStream.getApp(), gbStream.getStream(), mediaServerId);
                                try {
                                    responseAck(serverTransaction, Response.GONE);
                                    responseAck(request, Response.GONE);
                                } catch (SipException | InvalidArgumentException | ParseException e) {
                                    logger.error("[命令发送失败] invite GONE: {}", e.getMessage());
                                }
@@ -210,7 +209,7 @@
                            if (proxyByAppAndStream == null) {
                                logger.info("[ app={}, stream={} ]找不到zlm {}，返回410", gbStream.getApp(), gbStream.getStream(), mediaServerId);
                                try {
                                    responseAck(serverTransaction, Response.GONE);
                                    responseAck(request, Response.GONE);
                                } catch (SipException | InvalidArgumentException | ParseException e) {
                                    logger.error("[命令发送失败] invite GONE: {}", e.getMessage());
                                }
@@ -219,23 +218,23 @@
                        }
                    }
                    try {
                        responseAck(serverTransaction, Response.CALL_IS_BEING_FORWARDED);
                        responseAck(request, Response.CALL_IS_BEING_FORWARDED);
                    } catch (SipException | InvalidArgumentException | ParseException e) {
                        logger.error("[命令发送失败] invite CALL_IS_BEING_FORWARDED: {}", e.getMessage());
                    }
                } else if (catalog != null) {
                    try {
                        // 目录不支持点播
                        responseAck(serverTransaction, Response.BAD_REQUEST, "catalog channel can not play");
                        responseAck(request, Response.BAD_REQUEST, "catalog channel can not play");
                    } catch (SipException | InvalidArgumentException | ParseException e) {
                        logger.error("[命令发送失败] invite 目录不支持点播: {}", e.getMessage());
                    }
                    return;
                } else {
                    logger.info("通道不存在，返回404");
                    logger.info("通道不存在，返回404: {}", channelId);
                    try {
                        // 通道不存在，发404，资源不存在
                        responseAck(serverTransaction, Response.NOT_FOUND);
                        responseAck(request, Response.NOT_FOUND);
                    } catch (SipException | InvalidArgumentException | ParseException e) {
                        logger.error("[命令发送失败] invite 通道不存在: {}", e.getMessage());
                    }
@@ -244,21 +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;
@@ -311,16 +297,16 @@
                    // 回复不支持的格式
                    try {
                        // 不支持的格式，发415
                        responseAck(serverTransaction, Response.UNSUPPORTED_MEDIA_TYPE);
                        responseAck(request, Response.UNSUPPORTED_MEDIA_TYPE);
                    } catch (SipException | InvalidArgumentException | ParseException e) {
                        logger.error("[命令发送失败] invite 不支持的格式: {}", e.getMessage());
                    }
                    return;
                }
                String username = sdp.getOrigin().getUsername();
                String addressStr = sdp.getOrigin().getAddress();
                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) {
@@ -328,7 +314,7 @@
                    if (device == null) {
                        logger.warn("点播平台{}的通道{}时未找到设备信息", requesterId, channel);
                        try {
                            responseAck(serverTransaction, Response.SERVER_INTERNAL_ERROR);
                            responseAck(request, Response.SERVER_INTERNAL_ERROR);
                        } catch (SipException | InvalidArgumentException | ParseException e) {
                            logger.error("[命令发送失败] invite 未找到设备信息: {}", e.getMessage());
                        }
@@ -338,15 +324,33 @@
                    if (mediaServerItem == null) {
                        logger.warn("未找到可用的zlm");
                        try {
                            responseAck(serverTransaction, Response.BUSY_HERE);
                            responseAck(request, Response.BUSY_HERE);
                        } catch (SipException | InvalidArgumentException | ParseException e) {
                            logger.error("[命令发送失败] invite BUSY_HERE: {}", e.getMessage());
                        }
                        return;
                    }
                    SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                            device.getDeviceId(), channelId,
                            mediaTransmissionTCP);

                    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) {
                        sendRtpItem.setTcpActive(tcpActive);
@@ -354,7 +358,7 @@
                    if (sendRtpItem == null) {
                        logger.warn("服务器端口资源不足");
                        try {
                            responseAck(serverTransaction, Response.BUSY_HERE);
                            responseAck(request, Response.BUSY_HERE);
                        } catch (SipException | InvalidArgumentException | ParseException e) {
                            logger.error("[命令发送失败] invite 服务器端口资源不足: {}", e.getMessage());
                        }
@@ -365,10 +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
@@ -385,11 +389,17 @@
                        } else {
                            content.append("t=0 0\r\n");
                        }
                        content.append("m=video " + sendRtpItem.getLocalPort() + " RTP/AVP 96\r\n");
                        int localPort = sendRtpItem.getLocalPort();
                        if (localPort == 0) {
                            // 非严格模式端口不统一, 增加兼容性，修改为一个不为0的端口
                            localPort = new Random().nextInt(65535) + 1;
                        }
                        content.append("m=video " + localPort + " RTP/AVP 96\r\n");
                        content.append("a=sendonly\r\n");
                        content.append("a=rtpmap:96 PS/90000\r\n");
                        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
@@ -403,129 +413,154 @@
                                    logger.error("[命令发送失败] 国标级联 发送BYE: {}", e.getMessage());
                                }
                            }, 60 * 1000);
                            responseSdpAck(serverTransaction, content.toString(), platform);

                        } catch (SipException e) {
                            e.printStackTrace();
                        } catch (InvalidArgumentException e) {
                            e.printStackTrace();
                        } catch (ParseException e) {
                            e.printStackTrace();
                            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
                        Response response = null;
                        try {
                            response = getMessageFactory().createResponse(event.statusCode, evt.getRequest());
                            serverTransaction.sendResponse(response);
                            System.out.println("未知错误。直接转发设备点播的错误");
                            if (serverTransaction.getDialog() != null) {
                                serverTransaction.getDialog().delete();
                            if (statusCode > 0) {
                                Response response = getMessageFactory().createResponse(statusCode, evt.getRequest());
                                sipSender.transmitRequest(request.getLocalAddress().getHostAddress(), response);
                            }
                        } catch (ParseException | SipException | InvalidArgumentException e) {
                            e.printStackTrace();
                        } catch (ParseException | SipException  e) {
                            logger.error("未处理的异常 ", e);
                        }
                    });
                    sendRtpItem.setApp("rtp");
                    if ("Playback".equalsIgnoreCase(sessionName)) {
                        sendRtpItem.setPlayType(InviteStreamType.PLAYBACK);
                        SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, null, true, true);
                        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(serverTransaction, Response.REQUEST_TIMEOUT);
                                        } catch (SipException e) {
                                            e.printStackTrace();
                                        } catch (InvalidArgumentException e) {
                                            e.printStackTrace();
                                        } catch (ParseException e) {
                                            e.printStackTrace();
                                        }
                                        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);
                            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);
                            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);
                            }, null);
                        } else {
                            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);
                        }
                                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);

                    }
                } else if (gbStream != null) {

                    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
                            pushStream(evt, serverTransaction, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                            pushStream(evt, request, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                                    mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
                        } else {
                            // 未推流 拉起
                            notifyStreamOnline(evt, serverTransaction,gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                            notifyStreamOnline(evt, request,gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                                    mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
                        }
                    }else if ("proxy".equals(gbStream.getStreamType())){
                        if(null != proxyByAppAndStream &&proxyByAppAndStream.isStatus()){
                            pushProxyStream(evt, serverTransaction, gbStream,  platform, callIdHeader, mediaServerItem, port, tcpActive,
                                    mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
                        }else{
                            //开启代理拉流
                            boolean start1 = streamProxyService.start(gbStream.getApp(), gbStream.getStream());
                            if(start1) {
                                pushProxyStream(evt, serverTransaction, gbStream,  platform, callIdHeader, mediaServerItem, port, tcpActive,
                        if (null != proxyByAppAndStream) {
                            if(proxyByAppAndStream.isStatus()){
                                pushProxyStream(evt, request, gbStream,  platform, callIdHeader, mediaServerItem, port, tcpActive,
                                        mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
                            }else{
                                //失败后通知
                                notifyStreamOnline(evt, serverTransaction,gbStream, null, platform, callIdHeader, mediaServerItem, port, tcpActive,
                                //开启代理拉流
                                notifyStreamOnline(evt, request,gbStream, null, platform, callIdHeader, mediaServerItem, port, tcpActive,
                                        mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
                            }
                        }


                    }
                }
@@ -533,28 +568,39 @@
        } catch (SdpParseException e) {
            logger.error("sdp解析错误", e);
        } catch (SdpException e) {
            e.printStackTrace();
            logger.error("未处理的异常 ", e);
        }
    }

    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
     */
    private void pushProxyStream(RequestEvent evt, ServerTransaction serverTransaction, GbStream gbStream, ParentPlatform platform,
    private void pushProxyStream(RequestEvent evt, SIPRequest request, GbStream gbStream, ParentPlatform platform,
                            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,
                        gbStream.getApp(), gbStream.getStream(), channelId,
                        mediaTransmissionTCP);
                SendRtpItem sendRtpItem = zlmServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                        gbStream.getApp(), gbStream.getStream(), channelId, mediaTransmissionTCP, platform.isRtcp());

                if (sendRtpItem == null) {
                    logger.warn("服务器端口资源不足");
                    try {
                        responseAck(serverTransaction, Response.BUSY_HERE);
                        responseAck(request, Response.BUSY_HERE);
                    } catch (SipException | InvalidArgumentException | ParseException e) {
                        logger.error("[命令发送失败] invite 服务器端口资源不足: {}", e.getMessage());
                    }
@@ -567,10 +613,9 @@
                // 写入redis， 超时时回复
                sendRtpItem.setStatus(1);
                sendRtpItem.setCallId(callIdHeader.getCallId());
                SIPRequest request = (SIPRequest) evt.getRequest();
                sendRtpItem.setFromTag(request.getFromTag());

                SIPResponse response = sendStreamAck(mediaServerItem, serverTransaction, sendRtpItem, platform, evt);
                SIPResponse response = sendStreamAck(mediaServerItem, request, sendRtpItem, platform, evt);
                if (response != null) {
                    sendRtpItem.setToTag(response.getToTag());
                }
@@ -579,23 +624,22 @@
        }

    }
    private void pushStream(RequestEvent evt, ServerTransaction serverTransaction, GbStream gbStream, StreamPushItem streamPushItem, ParentPlatform platform,
    private void pushStream(RequestEvent evt, SIPRequest request, GbStream gbStream, StreamPushItem streamPushItem, ParentPlatform platform,
                            CallIdHeader callIdHeader, MediaServerItem mediaServerItem,
                            int port, Boolean tcpActive, boolean mediaTransmissionTCP,
                            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,
                        gbStream.getApp(), gbStream.getStream(), channelId,
                        mediaTransmissionTCP);
                SendRtpItem sendRtpItem = zlmServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                        gbStream.getApp(), gbStream.getStream(), channelId, mediaTransmissionTCP, platform.isRtcp());

                if (sendRtpItem == null) {
                    logger.warn("服务器端口资源不足");
                    try {
                        responseAck(serverTransaction, Response.BUSY_HERE);
                        responseAck(request, Response.BUSY_HERE);
                    } catch (SipException | InvalidArgumentException | ParseException e) {
                        logger.error("[命令发送失败] invite 服务器端口资源不足: {}", e.getMessage());
                    }
@@ -609,9 +653,8 @@
                sendRtpItem.setStatus(1);
                sendRtpItem.setCallId(callIdHeader.getCallId());

                SIPRequest request = (SIPRequest) evt.getRequest();
                sendRtpItem.setFromTag(request.getFromTag());
                SIPResponse response = sendStreamAck(mediaServerItem, serverTransaction, sendRtpItem, platform, evt);
                SIPResponse response = sendStreamAck(mediaServerItem, request, sendRtpItem, platform, evt);
                if (response != null) {
                    sendRtpItem.setToTag(response.getToTag());
                }
@@ -620,36 +663,58 @@

            } else {
                // 不在线 拉起
                notifyStreamOnline(evt, serverTransaction,gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                notifyStreamOnline(evt, request,gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                        mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
            }

        } else {
            // 其他平台内容
            otherWvpPushStream(evt, serverTransaction, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
            otherWvpPushStream(evt, request, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                    mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
        }
    }
    /**
     * 通知流上线
     */
    private void notifyStreamOnline(RequestEvent evt, ServerTransaction serverTransaction, GbStream gbStream, StreamPushItem streamPushItem, ParentPlatform platform,
    private void notifyStreamOnline(RequestEvent evt, SIPRequest request, GbStream gbStream, StreamPushItem streamPushItem, ParentPlatform platform,
                                    CallIdHeader callIdHeader, MediaServerItem mediaServerItem,
                                    int port, Boolean tcpActive, boolean mediaTransmissionTCP,
                                    String channelId, String addressStr, String ssrc, String requesterId) {
        if ("proxy".equals(gbStream.getStreamType())) {
            // TODO 控制启用以使设备上线
            logger.info("[ app={}, stream={} ]通道未推流，启用流后开始推流", gbStream.getApp(), gbStream.getStream());
            try {
                responseAck(serverTransaction, Response.BAD_REQUEST, "channel [" + gbStream.getGbId() + "] offline");
            } catch (SipException | InvalidArgumentException | ParseException e) {
                logger.error("[命令发送失败] invite 通道未推流: {}", e.getMessage());
            // 监听流上线
            HookSubscribeForStreamChange hookSubscribe = HookSubscribeFactory.on_stream_changed(gbStream.getApp(), gbStream.getStream(), true, "rtsp", mediaServerItem.getId());
            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);
            });
            dynamicTask.startDelay(callIdHeader.getCallId(), () -> {
                logger.info("[ app={}, stream={} ] 等待拉流代理流超时", gbStream.getApp(), gbStream.getStream());
                zlmHttpHookSubscribe.removeSubscribe(hookSubscribe);
            }, userSetting.getPlatformPlayTimeout());
            boolean start = streamProxyService.start(gbStream.getApp(), gbStream.getStream());
            if (!start) {
                try {
                    responseAck(request, Response.BUSY_HERE, "channel [" + gbStream.getGbId() + "] offline");
                } catch (SipException | InvalidArgumentException | ParseException e) {
                    logger.error("[命令发送失败] invite 通道未推流: {}", e.getMessage());
                }
                zlmHttpHookSubscribe.removeSubscribe(hookSubscribe);
                dynamicTask.stop(callIdHeader.getCallId());
            }



        } else if ("push".equals(gbStream.getStreamType())) {
            if (!platform.isStartOfflinePush()) {
                // 平台设置中关闭了拉起离线的推流则直接回复
                try {
                    responseAck(serverTransaction, Response.TEMPORARILY_UNAVAILABLE, "channel stream not pushing");
                    logger.info("[上级点播] 失败，推流设备未推流，channel: {}, app: {}, stream: {}", gbStream.getGbId(), gbStream.getApp(), gbStream.getStream());
                    responseAck(request, Response.TEMPORARILY_UNAVAILABLE, "channel stream not pushing");
                } catch (SipException | InvalidArgumentException | ParseException e) {
                    logger.error("[命令发送失败] invite 通道未推流: {}", e.getMessage());
                }
@@ -667,13 +732,13 @@
                logger.info("[ app={}, stream={} ] 等待设备开始推流超时", gbStream.getApp(), gbStream.getStream());
                try {
                    mediaListManager.removedChannelOnlineEventLister(gbStream.getApp(), gbStream.getStream());
                    responseAck(serverTransaction, Response.REQUEST_TIMEOUT); // 超时
                    responseAck(request, Response.REQUEST_TIMEOUT); // 超时
                } catch (SipException e) {
                    e.printStackTrace();
                    logger.error("未处理的异常 ", e);
                } catch (InvalidArgumentException e) {
                    e.printStackTrace();
                    logger.error("未处理的异常 ", e);
                } catch (ParseException e) {
                    e.printStackTrace();
                    logger.error("未处理的异常 ", e);
                }
            }, userSetting.getPlatformPlayTimeout());
            // 添加监听
@@ -684,19 +749,19 @@
            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,
                            app, stream, channelId, mediaTransmissionTCP);
                    SendRtpItem sendRtpItem = zlmServerFactory.createSendRtpItem(mediaServerItem, addressStr, finalPort, ssrc, requesterId,
                            app, stream, channelId, mediaTransmissionTCP, platform.isRtcp());

                    if (sendRtpItem == null) {
                        logger.warn("上级点时创建sendRTPItem失败，可能是服务器端口资源不足");
                        try {
                            responseAck(serverTransaction, Response.BUSY_HERE);
                            responseAck(request, Response.BUSY_HERE);
                        } catch (SipException e) {
                            e.printStackTrace();
                            logger.error("未处理的异常 ", e);
                        } catch (InvalidArgumentException e) {
                            e.printStackTrace();
                            logger.error("未处理的异常 ", e);
                        } catch (ParseException e) {
                            e.printStackTrace();
                            logger.error("未处理的异常 ", e);
                        }
                        return;
                    }
@@ -708,16 +773,15 @@
                    sendRtpItem.setStatus(1);
                    sendRtpItem.setCallId(callIdHeader.getCallId());

                    SIPRequest request = (SIPRequest) evt.getRequest();
                    sendRtpItem.setFromTag(request.getFromTag());
                    SIPResponse response = sendStreamAck(mediaServerItem, serverTransaction, sendRtpItem, platform, evt);
                    SIPResponse response = sendStreamAck(mediaServerItem, request, sendRtpItem, platform, evt);
                    if (response != null) {
                        sendRtpItem.setToTag(response.getToTag());
                    }
                    redisCatchStorage.updateSendRTPSever(sendRtpItem);
                } else {
                    // 其他平台内容
                    otherWvpPushStream(evt, serverTransaction, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                    otherWvpPushStream(evt, request, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                            mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
                }
            });
@@ -728,7 +792,7 @@
                    dynamicTask.stop(callIdHeader.getCallId());
                    mediaListManager.removedChannelOnlineEventLister(gbStream.getApp(), gbStream.getStream());
                    try {
                        responseAck(serverTransaction, Response.TEMPORARILY_UNAVAILABLE, response.getMsg());
                        responseAck(request, Response.TEMPORARILY_UNAVAILABLE, response.getMsg());
                    } catch (SipException | InvalidArgumentException | ParseException e) {
                        logger.error("[命令发送失败] 国标级联 点播回复: {}", e.getMessage());
                    }
@@ -740,7 +804,7 @@
    /**
     * 来自其他wvp的推流
     */
    private void otherWvpPushStream(RequestEvent evt, ServerTransaction serverTransaction, GbStream gbStream, StreamPushItem streamPushItem, ParentPlatform platform,
    private void otherWvpPushStream(RequestEvent evt, SIPRequest request, GbStream gbStream, StreamPushItem streamPushItem, ParentPlatform platform,
                                    CallIdHeader callIdHeader, MediaServerItem mediaServerItem,
                                    int port, Boolean tcpActive, boolean mediaTransmissionTCP,
                                    String channelId, String addressStr, String ssrc, String requesterId) {
@@ -748,18 +812,18 @@
        // 发送redis消息
        redisGbPlayMsgListener.sendMsg(streamPushItem.getServerId(), streamPushItem.getMediaServerId(),
                streamPushItem.getApp(), streamPushItem.getStream(), addressStr, port, ssrc, requesterId,
                channelId, mediaTransmissionTCP, null, responseSendItemMsg -> {
                channelId, mediaTransmissionTCP, platform.isRtcp(),null, responseSendItemMsg -> {
                    SendRtpItem sendRtpItem = responseSendItemMsg.getSendRtpItem();
                    if (sendRtpItem == null || responseSendItemMsg.getMediaServerItem() == null) {
                        logger.warn("服务器端口资源不足");
                        try {
                            responseAck(serverTransaction, Response.BUSY_HERE);
                            responseAck(request, Response.BUSY_HERE);
                        } catch (SipException e) {
                            e.printStackTrace();
                            logger.error("未处理的异常 ", e);
                        } catch (InvalidArgumentException e) {
                            e.printStackTrace();
                            logger.error("未处理的异常 ", e);
                        } catch (ParseException e) {
                            e.printStackTrace();
                            logger.error("未处理的异常 ", e);
                        }
                        return;
                    }
@@ -772,9 +836,8 @@
                    sendRtpItem.setStatus(1);
                    sendRtpItem.setCallId(callIdHeader.getCallId());

                    SIPRequest request = (SIPRequest) evt.getRequest();
                    sendRtpItem.setFromTag(request.getFromTag());
                    SIPResponse response = sendStreamAck(responseSendItemMsg.getMediaServerItem(), serverTransaction,sendRtpItem, platform, evt);
                    SIPResponse response = sendStreamAck(responseSendItemMsg.getMediaServerItem(), request,sendRtpItem, platform, evt);
                    if (response != null) {
                        sendRtpItem.setToTag(response.getToTag());
                    }
@@ -788,24 +851,24 @@
                        StreamPushItem currentStreamPushItem = streamPushService.getPush(streamPushItem.getApp(), streamPushItem.getStream());
                        if (currentStreamPushItem.isPushIng()) {
                            // 在线状态
                            pushStream(evt, serverTransaction, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                            pushStream(evt, request, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                                    mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);

                        } else {
                            // 不在线 拉起
                            notifyStreamOnline(evt, serverTransaction, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                            notifyStreamOnline(evt, request, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
                                    mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
                        }
                    }
                    try {
                        responseAck(serverTransaction, Response.BUSY_HERE);
                        responseAck(request, Response.BUSY_HERE);
                    } catch (InvalidArgumentException | ParseException | SipException e) {
                        logger.error("[命令发送失败] 国标级联 点播回复 BUSY_HERE: {}", e.getMessage());
                    }
                });
    }

    public SIPResponse sendStreamAck(MediaServerItem mediaServerItem, ServerTransaction serverTransaction, SendRtpItem sendRtpItem, ParentPlatform platform, RequestEvent evt) {
    public SIPResponse sendStreamAck(MediaServerItem mediaServerItem, SIPRequest request, SendRtpItem sendRtpItem, ParentPlatform platform, RequestEvent evt) {

        StringBuffer content = new StringBuffer(200);
        content.append("v=0\r\n");
@@ -813,7 +876,13 @@
        content.append("s=Play\r\n");
        content.append("c=IN IP4 " + mediaServerItem.getSdpIp() + "\r\n");
        content.append("t=0 0\r\n");
        content.append("m=video " + sendRtpItem.getLocalPort() + " RTP/AVP 96\r\n");
        // 非严格模式端口不统一, 增加兼容性，修改为一个不为0的端口
        int localPort = sendRtpItem.getLocalPort();
        if(localPort == 0)
        {
            localPort = new Random().nextInt(65535) + 1;
        }
        content.append("m=video " + localPort + " RTP/AVP 96\r\n");
        content.append("a=sendonly\r\n");
        content.append("a=rtpmap:96 PS/90000\r\n");
        if (sendRtpItem.isTcp()) {
@@ -828,44 +897,35 @@
        content.append("f=\r\n");

        try {
            return responseSdpAck(serverTransaction, content.toString(), platform);
            return responseSdpAck(request, content.toString(), platform);
        } catch (SipException e) {
            e.printStackTrace();
            logger.error("未处理的异常 ", e);
        } catch (InvalidArgumentException e) {
            e.printStackTrace();
            logger.error("未处理的异常 ", e);
        } catch (ParseException e) {
            e.printStackTrace();
            logger.error("未处理的异常 ", e);
        }
        return null;
    }

    public void inviteFromDeviceHandle(ServerTransaction serverTransaction, String requesterId) {
    public void inviteFromDeviceHandle(SIPRequest request, String requesterId) {

        // 非上级平台请求，查询是否设备请求（通常为接收语音广播的设备）
        Device device = redisCatchStorage.getDevice(requesterId);
        if (device != null) {
            logger.info("收到设备" + requesterId + "的语音广播Invite请求");
            try {
                responseAck(serverTransaction, Response.TRYING);
                responseAck(request, Response.TRYING);
            } catch (SipException | InvalidArgumentException | ParseException e) {
                logger.error("[命令发送失败] invite BAD_REQUEST: {}", e.getMessage());
            }
            String contentString = new String(serverTransaction.getRequest().getRawContent());
            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
@@ -900,14 +960,14 @@
                    logger.info("不支持的媒体格式，返回415");
                    // 回复不支持的格式
                    try {
                        responseAck(serverTransaction, Response.UNSUPPORTED_MEDIA_TYPE); // 不支持的格式，发415
                        responseAck(request, Response.UNSUPPORTED_MEDIA_TYPE); // 不支持的格式，发415
                    } catch (SipException | InvalidArgumentException | ParseException e) {
                        logger.error("[命令发送失败] invite 不支持的媒体格式，返回415， {}", e.getMessage());
                    }
                    return;
                }
                String username = sdp.getOrigin().getUsername();
                String addressStr = sdp.getOrigin().getAddress();
                String addressStr = sdp.getConnection().getAddress();
                logger.info("设备{}请求语音流，地址：{}:{}，ssrc：{}", username, addressStr, port, ssrc);
            } catch (SdpException e) {
                logger.error("[SDP解析异常]", e);
@@ -918,7 +978,7 @@
        } else {
            logger.warn("来自无效设备/平台的请求");
            try {
                responseAck(serverTransaction, Response.BAD_REQUEST);; // 不支持的格式，发415
                responseAck(request, Response.BAD_REQUEST);; // 不支持的格式，发415
            } catch (SipException | InvalidArgumentException | ParseException e) {
                logger.error("[命令发送失败] invite 来自无效设备/平台的请求， {}", e.getMessage());
            }