修复空指针异常

648540858

2024-01-10 c25a99d60bef3d3bbd59fee895bd658928fd00db

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

old mode 100644
new mode 100755
@@ -1,8 +1,9 @@
package com.genersoft.iot.vmp.service.impl;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONArray;
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.genersoft.iot.vmp.common.StreamInfo;
import com.genersoft.iot.vmp.conf.DynamicTask;
import com.genersoft.iot.vmp.conf.UserSetting;
@@ -13,43 +14,46 @@
import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder;
import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommanderFroPlatform;
import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
import com.genersoft.iot.vmp.media.zlm.AssistRESTfulUtils;
import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils;
import com.genersoft.iot.vmp.media.zlm.ZLMServerFactory;
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;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.service.IDeviceService;
import com.genersoft.iot.vmp.service.IMediaServerService;
import com.genersoft.iot.vmp.service.IMediaService;
import com.genersoft.iot.vmp.service.IPlayService;
import com.genersoft.iot.vmp.service.bean.InviteTimeOutCallback;
import com.genersoft.iot.vmp.service.bean.PlayBackCallback;
import com.genersoft.iot.vmp.service.bean.PlayBackResult;
import com.genersoft.iot.vmp.media.zlm.dto.hook.HookParam;
import com.genersoft.iot.vmp.media.zlm.dto.hook.OnStreamChangedHookParam;
import com.genersoft.iot.vmp.service.*;
import com.genersoft.iot.vmp.service.bean.CloudRecordItem;
import com.genersoft.iot.vmp.service.bean.ErrorCallback;
import com.genersoft.iot.vmp.service.bean.InviteErrorCode;
import com.genersoft.iot.vmp.service.bean.SSRCInfo;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
import com.genersoft.iot.vmp.storager.dao.CloudRecordServiceMapper;
import com.genersoft.iot.vmp.utils.DateUtil;
import com.genersoft.iot.vmp.utils.redis.RedisUtil;
import com.genersoft.iot.vmp.vmanager.bean.ErrorCode;
import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
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 org.springframework.util.ObjectUtils;

import javax.sdp.*;
import javax.sip.InvalidArgumentException;
import javax.sip.ResponseEvent;
import javax.sip.SipException;
import java.io.File;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.ParseException;
import java.util.List;
import java.util.UUID;
import java.util.Vector;

@SuppressWarnings(value = {"rawtypes", "unchecked"})
@Service
@@ -70,10 +74,16 @@
    private IRedisCatchStorage redisCatchStorage;

    @Autowired
    private IInviteStreamService inviteStreamService;

    @Autowired
    private DeferredResultHolder resultHolder;

    @Autowired
    private ZLMRESTfulUtils zlmresTfulUtils;

    @Autowired
    private ZLMServerFactory zlmServerFactory;

    @Autowired
    private AssistRESTfulUtils assistRESTfulUtils;
@@ -87,7 +97,6 @@
    @Autowired
    private VideoStreamSessionManager streamSession;


    @Autowired
    private IDeviceService deviceService;

@@ -100,139 +109,127 @@
    @Autowired
    private ZlmHttpHookSubscribe subscribe;

    @Autowired
    private CloudRecordServiceMapper cloudRecordServiceMapper;


    @Override
    public void play(MediaServerItem mediaServerItem, String deviceId, String channelId,
                                 ZlmHttpHookSubscribe.Event hookEvent, SipSubscribe.Event errorEvent,
                                 Runnable timeoutCallback) {
    public SSRCInfo play(MediaServerItem mediaServerItem, String deviceId, String channelId, String ssrc, ErrorCallback<Object> callback) {
        if (mediaServerItem == null) {
            logger.warn("[点播] 未找到可用的zlm deviceId: {},channelId:{}", deviceId, channelId);
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "未找到可用的zlm");
        }
        String key = DeferredResultHolder.CALLBACK_CMD_PLAY + deviceId + channelId;

        RequestMessage msg = new RequestMessage();
        msg.setKey(key);

        Device device = redisCatchStorage.getDevice(deviceId);
        StreamInfo streamInfo = redisCatchStorage.queryPlayByDevice(deviceId, channelId);
        if (device.getStreamMode().equalsIgnoreCase("TCP-ACTIVE") && !mediaServerItem.isRtpEnable()) {
            logger.warn("[点播] 单端口收流时不支持TCP主动方式收流 deviceId: {},channelId:{}", deviceId, channelId);
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "单端口收流时不支持TCP主动方式收流");
        }
        InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
        if (inviteInfo != null ) {
            if (inviteInfo.getStreamInfo() == null) {
                // 点播发起了但是尚未成功, 仅注册回调等待结果即可
                inviteStreamService.once(InviteSessionType.PLAY, deviceId, channelId, null, callback);
                logger.info("[点播开始] 已经请求中，等待结果， deviceId: {}, channelId: {}", device.getDeviceId(), channelId);
                return inviteInfo.getSsrcInfo();
            }else {
                StreamInfo streamInfo = inviteInfo.getStreamInfo();
                String streamId = streamInfo.getStream();
                if (streamId == null) {
                    callback.run(InviteErrorCode.ERROR_FOR_CATCH_DATA.getCode(), "点播失败， redis缓存streamId等于null", null);
                    inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                            InviteErrorCode.ERROR_FOR_CATCH_DATA.getCode(),
                            "点播失败， redis缓存streamId等于null",
                            null);
                    return inviteInfo.getSsrcInfo();
                }
                String mediaServerId = streamInfo.getMediaServerId();
                MediaServerItem mediaInfo = mediaServerService.getOne(mediaServerId);

        if (streamInfo != null) {
            String streamId = streamInfo.getStream();
            if (streamId == null) {
                WVPResult wvpResult = new WVPResult();
                wvpResult.setCode(ErrorCode.ERROR100.getCode());
                wvpResult.setMsg("点播失败， redis缓存streamId等于null");
                msg.setData(wvpResult);
                resultHolder.invokeAllResult(msg);
                return;
            }
            String mediaServerId = streamInfo.getMediaServerId();
            MediaServerItem mediaInfo = mediaServerService.getOne(mediaServerId);

            JSONObject rtpInfo = zlmresTfulUtils.getRtpInfo(mediaInfo, streamId);
            if (rtpInfo.getInteger("code") == 0) {
                if (rtpInfo.getBoolean("exist")) {
                    int localPort = rtpInfo.getInteger("local_port");
                    if (localPort == 0) {
                        logger.warn("[点播]，点播时发现rtpServerC存在，但是尚未开始推流");
                        // 此时说明rtpServer已经创建但是流还没有推上来
                        WVPResult wvpResult = new WVPResult();
                        wvpResult.setCode(ErrorCode.ERROR100.getCode());
                        wvpResult.setMsg("点播已经在进行中，请稍候重试");
                        msg.setData(wvpResult);

                        resultHolder.invokeAllResult(msg);
                        return;
                    } else {
                        WVPResult wvpResult = new WVPResult();
                        wvpResult.setCode(ErrorCode.SUCCESS.getCode());
                        wvpResult.setMsg(ErrorCode.SUCCESS.getMsg());
                        wvpResult.setData(streamInfo);
                        msg.setData(wvpResult);
                        resultHolder.invokeAllResult(msg);
                        if (hookEvent != null) {
                            hookEvent.response(mediaServerItem, JSON.parseObject(JSON.toJSONString(streamInfo)));
                        }
                    }

                } else {
                    redisCatchStorage.stopPlay(streamInfo);
                Boolean ready = zlmServerFactory.isStreamReady(mediaInfo, "rtp", streamId);
                if (ready != null && ready) {
                    callback.run(InviteErrorCode.SUCCESS.getCode(), InviteErrorCode.SUCCESS.getMsg(), streamInfo);
                    inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                            InviteErrorCode.SUCCESS.getCode(),
                            InviteErrorCode.SUCCESS.getMsg(),
                            streamInfo);
                    logger.info("[点播已存在] 直接返回， deviceId: {}, channelId: {}", device.getDeviceId(), channelId);
                    return inviteInfo.getSsrcInfo();
                }else {
                    // 点播发起了但是尚未成功, 仅注册回调等待结果即可
                    inviteStreamService.once(InviteSessionType.PLAY, deviceId, channelId, null, callback);
                    storager.stopPlay(streamInfo.getDeviceID(), streamInfo.getChannelId());
                    streamInfo = null;
                    inviteStreamService.removeInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
                }
            } else {
                //zlm连接失败
                redisCatchStorage.stopPlay(streamInfo);
                storager.stopPlay(streamInfo.getDeviceID(), streamInfo.getChannelId());
                streamInfo = null;

            }
        }
        if (streamInfo == null) {
            String streamId = null;
            if (mediaServerItem.isRtpEnable()) {
                streamId = String.format("%s_%s", device.getDeviceId(), channelId);
            }
            SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, streamId, device.isSsrcCheck(), false);
            if (ssrcInfo == null) {
                WVPResult wvpResult = new WVPResult();
                wvpResult.setCode(ErrorCode.ERROR100.getCode());
                wvpResult.setMsg("开启收流失败");
                msg.setData(wvpResult);

                resultHolder.invokeAllResult(msg);
                return;
            }
            play(mediaServerItem, ssrcInfo, device, channelId, (mediaServerItemInUse, response) -> {
                if (hookEvent != null) {
                    hookEvent.response(mediaServerItem, response);
                }
            }, event -> {
                // sip error错误
                WVPResult wvpResult = new WVPResult();
                wvpResult.setCode(ErrorCode.ERROR100.getCode());
                wvpResult.setMsg(String.format("点播失败， 错误码： %s, %s", event.statusCode, event.msg));
                msg.setData(wvpResult);
                resultHolder.invokeAllResult(msg);
                if (errorEvent != null) {
                    errorEvent.response(event);
                }
            }, (code, msgStr) -> {
                // invite点播超时
                WVPResult wvpResult = new WVPResult();
                wvpResult.setCode(ErrorCode.ERROR100.getCode());
                if (code == 0) {
                    wvpResult.setMsg("点播超时，请稍候重试");
                } else if (code == 1) {
                    wvpResult.setMsg("收流超时，请稍候重试");
                }
                msg.setData(wvpResult);
                // 回复之前所有的点播请求
                resultHolder.invokeAllResult(msg);
            });
        String streamId = String.format("%s_%s", device.getDeviceId(), channelId);;
        SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, streamId, ssrc, device.isSsrcCheck(),  false, 0, false, device.getStreamModeForParam());
        if (ssrcInfo == null) {
            callback.run(InviteErrorCode.ERROR_FOR_RESOURCE_EXHAUSTION.getCode(), InviteErrorCode.ERROR_FOR_RESOURCE_EXHAUSTION.getMsg(), null);
            inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                    InviteErrorCode.ERROR_FOR_RESOURCE_EXHAUSTION.getCode(),
                    InviteErrorCode.ERROR_FOR_RESOURCE_EXHAUSTION.getMsg(),
                    null);
            return null;
        }
        play(mediaServerItem, ssrcInfo, device, channelId, callback);
        return ssrcInfo;
    }


    @Override
    public void play(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId,
                     ZlmHttpHookSubscribe.Event hookEvent, SipSubscribe.Event errorEvent,
                     InviteTimeOutCallback timeoutCallback) {
                     ErrorCallback<Object> callback) {

        logger.info("[点播开始] deviceId: {}, channelId: {},收流端口： {}, 收流模式：{}, SSRC: {}, SSRC校验：{}", device.getDeviceId(), channelId, ssrcInfo.getPort(), device.getStreamMode(), ssrcInfo.getSsrc(), device.isSsrcCheck());
        if (mediaServerItem == null || ssrcInfo == null) {
            callback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(),
                    InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getMsg(),
                    null);
            return;
        }
        logger.info("[点播开始] deviceId: {}, channelId: {},码流类型：{}, 收流端口： {}, STREAM：{}, 收流模式：{}, SSRC: {}, SSRC校验：{}",
                device.getDeviceId(), channelId, device.isSwitchPrimarySubStream() ? "辅码流" : "主码流", ssrcInfo.getPort(), ssrcInfo.getStream(),
                device.getStreamMode(), ssrcInfo.getSsrc(), device.isSsrcCheck());
        //端口获取失败的ssrcInfo 没有必要发送点播指令
        if (ssrcInfo.getPort() <= 0) {
            logger.info("[点播端口分配异常]，deviceId={},channelId={},ssrcInfo={}", device.getDeviceId(), channelId, ssrcInfo);
            // 释放ssrc
            mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
            streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());

            callback.run(InviteErrorCode.ERROR_FOR_RESOURCE_EXHAUSTION.getCode(), "点播端口分配异常", null);
            inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                    InviteErrorCode.ERROR_FOR_RESOURCE_EXHAUSTION.getCode(), "点播端口分配异常", null);
            return;
        }

        // 初始化redis中的invite消息状态
        InviteInfo inviteInfo = InviteInfo.getInviteInfo(device.getDeviceId(), channelId, ssrcInfo.getStream(), ssrcInfo,
                mediaServerItem.getSdpIp(), ssrcInfo.getPort(), device.getStreamMode(), InviteSessionType.PLAY,
                InviteSessionStatus.ready);
        inviteInfo.setSubStream(device.isSwitchPrimarySubStream());
        inviteStreamService.updateInviteInfo(inviteInfo);
        // 超时处理
        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
            if (redisCatchStorage.queryPlayByDevice(device.getDeviceId(), channelId) == null) {
                logger.info("[点播超时] 收流超时 deviceId: {}, channelId: {}，端口：{}, SSRC: {}", device.getDeviceId(), channelId, ssrcInfo.getPort(), ssrcInfo.getSsrc());
                // 点播超时回复BYE 同时释放ssrc以及此次点播的资源
            InviteInfo inviteInfoForTimeOut = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, device.getDeviceId(), channelId);
            if (inviteInfoForTimeOut == null || inviteInfoForTimeOut.getStreamInfo() == null) {
                logger.info("[点播超时] 收流超时 deviceId: {}, channelId: {},码流类型：{}，端口：{}, SSRC: {}",
                        device.getDeviceId(), channelId, device.isSwitchPrimarySubStream() ? "辅码流" : "主码流",
                        ssrcInfo.getPort(), ssrcInfo.getSsrc());

                callback.run(InviteErrorCode.ERROR_FOR_STREAM_TIMEOUT.getCode(), InviteErrorCode.ERROR_FOR_STREAM_TIMEOUT.getMsg(), null);
                inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                        InviteErrorCode.ERROR_FOR_STREAM_TIMEOUT.getCode(), InviteErrorCode.ERROR_FOR_STREAM_TIMEOUT.getMsg(), null);
                inviteStreamService.removeInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, device.getDeviceId(), channelId);

                try {
                    cmder.streamByeCmd(device, channelId, ssrcInfo.getStream(), null);
                } catch (InvalidArgumentException | ParseException | SipException | SsrcTransactionNotFoundException e) {
                    logger.error("[点播超时]， 发送BYE失败 {}", e.getMessage());
                } finally {
                    timeoutCallback.run(1, "收流超时");
                    mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
                    mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
                    streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
@@ -243,85 +240,33 @@
                }
            }
        }, userSetting.getPlayTimeout());
        //端口获取失败的ssrcInfo 没有必要发送点播指令
        if (ssrcInfo.getPort() <= 0) {
            logger.info("[点播端口分配异常]，deviceId={},channelId={},ssrcInfo={}", device.getDeviceId(), channelId, ssrcInfo);
            dynamicTask.stop(timeOutTaskKey);
            // 释放ssrc
            mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
            streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());

            RequestMessage msg = new RequestMessage();
            msg.setKey(DeferredResultHolder.CALLBACK_CMD_PLAY + device.getDeviceId() + channelId);
            msg.setData(WVPResult.fail(ErrorCode.ERROR100.getCode(), "点播端口分配异常"));
            resultHolder.invokeAllResult(msg);
            return;
        }
        try {
            cmder.playStreamCmd(mediaServerItem, ssrcInfo, device, channelId, (MediaServerItem mediaServerItemInuse, JSONObject response) -> {
                logger.info("收到订阅消息： " + response.toJSONString());
            cmder.playStreamCmd(mediaServerItem, ssrcInfo, device, channelId, (mediaServerItemInuse, hookParam ) -> {
                logger.info("收到订阅消息： " + hookParam);
                dynamicTask.stop(timeOutTaskKey);

                // hook响应
                onPublishHandlerForPlay(mediaServerItemInuse, response, device.getDeviceId(), channelId);
                hookEvent.response(mediaServerItemInuse, response);
                logger.info("[点播成功] deviceId: {}, channelId: {}", device.getDeviceId(), channelId);
                String streamUrl = String.format("rtsp://127.0.0.1:%s/%s/%s", mediaServerItemInuse.getRtspPort(), "rtp",  ssrcInfo.getStream());
                String path = "snap";
                String fileName = device.getDeviceId() + "_" + channelId + ".jpg";
                // 请求截图
                logger.info("[请求截图]: " + fileName);
                zlmresTfulUtils.getSnap(mediaServerItemInuse, streamUrl, 15, 1, path, fileName);

            }, (event) -> {
                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)) {
                        return;
                    }
                    logger.info("[点播消息] 收到invite 200, 发现下级自定义了ssrc: {}", ssrcInResponse);
                    if (!mediaServerItem.isRtpEnable() || device.isSsrcCheck()) {
                        logger.info("[点播消息] SSRC修正 {}->{}", ssrcInfo.getSsrc(), ssrcInResponse);

                        if (!mediaServerItem.getSsrcConfig().checkSsrc(ssrcInResponse)) {
                            // ssrc 不可用
                            // 释放ssrc
                            mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
                            streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
                            event.msg = "下级自定义了ssrc,但是此ssrc不可用";
                            event.statusCode = 400;
                            errorEvent.response(event);
                            return;
                        }

                        // 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, (MediaServerItem mediaServerItemInUse, JSONObject response) -> {
                                logger.info("[ZLM HOOK] ssrc修正后收到订阅消息： " + response.toJSONString());
                                dynamicTask.stop(timeOutTaskKey);
                                // hook响应
                                onPublishHandlerForPlay(mediaServerItemInUse, response, device.getDeviceId(), channelId);
                                hookEvent.response(mediaServerItemInUse, response);
                            });
                        }
                        // 关闭rtp server
                        mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
                        // 重新开启ssrc server
                        mediaServerService.openRTPServer(mediaServerItem, ssrcInfo.getStream(), ssrcInResponse, device.isSsrcCheck(), false, ssrcInfo.getPort());

                    }
                StreamInfo streamInfo = onPublishHandlerForPlay(mediaServerItemInuse, hookParam, device.getDeviceId(), channelId);
                if (streamInfo == null){
                    callback.run(InviteErrorCode.ERROR_FOR_STREAM_PARSING_EXCEPTIONS.getCode(),
                            InviteErrorCode.ERROR_FOR_STREAM_PARSING_EXCEPTIONS.getMsg(), null);
                    inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                            InviteErrorCode.ERROR_FOR_STREAM_PARSING_EXCEPTIONS.getCode(),
                            InviteErrorCode.ERROR_FOR_STREAM_PARSING_EXCEPTIONS.getMsg(), null);
                    return;
                }
                callback.run(InviteErrorCode.SUCCESS.getCode(), InviteErrorCode.SUCCESS.getMsg(), streamInfo);
                inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                        InviteErrorCode.SUCCESS.getCode(),
                        InviteErrorCode.SUCCESS.getMsg(),
                        streamInfo);
                logger.info("[点播成功] deviceId: {}, channelId:{}, 码流类型：{}", device.getDeviceId(), channelId,
                        device.isSwitchPrimarySubStream() ? "辅码流" : "主码流");
                snapOnPlay(mediaServerItemInuse, device.getDeviceId(), channelId, ssrcInfo.getStream());
            }, (eventResult) -> {
                // 处理收到200ok后的TCP主动连接以及SSRC不一致的问题
                InviteOKHandler(eventResult, ssrcInfo, mediaServerItem, device, channelId,
                        timeOutTaskKey, callback, inviteInfo, InviteSessionType.PLAY);
            }, (event) -> {
                dynamicTask.stop(timeOutTaskKey);
                mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
@@ -329,7 +274,14 @@
                mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());

                streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
                errorEvent.response(event);

                callback.run(InviteErrorCode.ERROR_FOR_SIGNALLING_ERROR.getCode(),
                        String.format("点播失败， 错误码： %s, %s", event.statusCode, event.msg), null);
                inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                        InviteErrorCode.ERROR_FOR_RESET_SSRC.getCode(),
                        String.format("点播失败， 错误码： %s, %s", event.statusCode, event.msg), null);

                inviteStreamService.removeInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, device.getDeviceId(), channelId);
            });
        } catch (InvalidArgumentException | SipException | ParseException e) {

@@ -340,63 +292,123 @@
            mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());

            streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
            SipSubscribe.EventResult eventResult = new SipSubscribe.EventResult(new CmdSendFailEvent(null));
            eventResult.msg = "命令发送失败";
            errorEvent.response(eventResult);

            callback.run(InviteErrorCode.ERROR_FOR_SIP_SENDING_FAILED.getCode(),
                    InviteErrorCode.ERROR_FOR_SIP_SENDING_FAILED.getMsg(), null);
            inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                    InviteErrorCode.ERROR_FOR_SIP_SENDING_FAILED.getCode(),
                    InviteErrorCode.ERROR_FOR_SIP_SENDING_FAILED.getMsg(), null);

            inviteStreamService.removeInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, device.getDeviceId(), channelId);
        }
    }

    @Override
    public void onPublishHandlerForPlay(MediaServerItem mediaServerItem, JSONObject response, String deviceId, String channelId) {
        StreamInfo streamInfo = onPublishHandler(mediaServerItem, response, deviceId, channelId);
        RequestMessage msg = new RequestMessage();
        msg.setKey(DeferredResultHolder.CALLBACK_CMD_PLAY + deviceId + channelId);
    private void tcpActiveHandler(Device device, String channelId, String contentString,
                                  MediaServerItem mediaServerItem,
                                  String timeOutTaskKey, SSRCInfo ssrcInfo, ErrorCallback<Object> callback){
        if (!device.getStreamMode().equalsIgnoreCase("TCP-ACTIVE")) {
            return;
        }
        String substring = contentString.substring(0, contentString.indexOf("y="));
        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("96")) {
                    port = media.getMediaPort();
                    break;
                }
            }
            logger.info("[TCP主动连接对方] deviceId: {}, channelId: {}, 连接对方的地址：{}:{}, 收流模式：{}, SSRC: {}, SSRC校验：{}", device.getDeviceId(), channelId, sdp.getConnection().getAddress(), port, device.getStreamMode(), ssrcInfo.getSsrc(), device.isSsrcCheck());
            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] deviceId: {}, channelId: {}, 解析200OK的SDP信息失败", device.getDeviceId(), channelId, e);
            dynamicTask.stop(timeOutTaskKey);
            mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
            // 释放ssrc
            mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());

            streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());

            callback.run(InviteErrorCode.ERROR_FOR_SDP_PARSING_EXCEPTIONS.getCode(),
                    InviteErrorCode.ERROR_FOR_SDP_PARSING_EXCEPTIONS.getMsg(), null);
            inviteStreamService.call(InviteSessionType.PLAY, device.getDeviceId(), channelId, null,
                    InviteErrorCode.ERROR_FOR_SDP_PARSING_EXCEPTIONS.getCode(),
                    InviteErrorCode.ERROR_FOR_SDP_PARSING_EXCEPTIONS.getMsg(), null);
        }
    }

    /**
     * 点播成功时调用截图.
     *
     * @param mediaServerItemInuse media
     * @param deviceId             设备 ID
     * @param channelId            通道 ID
     * @param stream               ssrc
     */
    private void snapOnPlay(MediaServerItem mediaServerItemInuse, String deviceId, String channelId, String stream) {
        String streamUrl;
        if (mediaServerItemInuse.getRtspPort() != 0) {
            streamUrl = String.format("rtsp://127.0.0.1:%s/%s/%s", mediaServerItemInuse.getRtspPort(), "rtp", stream);
        } else {
            streamUrl = String.format("http://127.0.0.1:%s/%s/%s.live.mp4", mediaServerItemInuse.getHttpPort(), "rtp", stream);
        }
        String path = "snap";
        String fileName = deviceId + "_" + channelId + ".jpg";
        // 请求截图
        logger.info("[请求截图]: " + fileName);
        zlmresTfulUtils.getSnap(mediaServerItemInuse, streamUrl, 15, 1, path, fileName);
    }

    private StreamInfo onPublishHandlerForPlay(MediaServerItem mediaServerItem, HookParam hookParam, String deviceId, String channelId) {
        StreamInfo streamInfo = null;
        Device device = redisCatchStorage.getDevice(deviceId);
        OnStreamChangedHookParam streamChangedHookParam = (OnStreamChangedHookParam)hookParam;
        streamInfo = onPublishHandler(mediaServerItem, streamChangedHookParam, deviceId, channelId);
        if (streamInfo != null) {
            DeviceChannel deviceChannel = storager.queryChannel(deviceId, channelId);
            if (deviceChannel != null) {
                deviceChannel.setStreamId(streamInfo.getStream());
                storager.startPlay(deviceId, channelId, streamInfo.getStream());
            }
            redisCatchStorage.startPlay(streamInfo);

            WVPResult wvpResult = new WVPResult();
            wvpResult.setCode(ErrorCode.SUCCESS.getCode());
            wvpResult.setMsg(ErrorCode.SUCCESS.getMsg());
            wvpResult.setData(streamInfo);

            msg.setData(wvpResult);
            resultHolder.invokeAllResult(msg);

        } else {
            logger.warn("设备预览API调用失败！");
            msg.setData(WVPResult.fail(ErrorCode.ERROR100.getCode(), "设备预览API调用失败！"));
            resultHolder.invokeAllResult(msg);
            InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
            if (inviteInfo != null) {
                inviteInfo.setStatus(InviteSessionStatus.ok);
                inviteInfo.setStreamInfo(streamInfo);
                inviteStreamService.updateInviteInfo(inviteInfo);
            }
        }
        return streamInfo;

    }

    private void onPublishHandlerForPlayback(MediaServerItem mediaServerItem, JSONObject response, String deviceId, String channelId, PlayBackCallback playBackCallback) {

        StreamInfo streamInfo = onPublishHandler(mediaServerItem, response, deviceId, channelId);
        PlayBackResult<StreamInfo> playBackResult = new PlayBackResult<>();
    private StreamInfo onPublishHandlerForPlayback(MediaServerItem mediaServerItem, HookParam param, String deviceId, String channelId, String startTime, String endTime) {
        OnStreamChangedHookParam streamChangedHookParam = (OnStreamChangedHookParam) param;
        StreamInfo streamInfo = onPublishHandler(mediaServerItem, streamChangedHookParam, deviceId, channelId);
        if (streamInfo != null) {
            streamInfo.setStartTime(startTime);
            streamInfo.setEndTime(endTime);
            DeviceChannel deviceChannel = storager.queryChannel(deviceId, channelId);
            if (deviceChannel != null) {
                deviceChannel.setStreamId(streamInfo.getStream());
                storager.startPlay(deviceId, channelId, streamInfo.getStream());
            }
            redisCatchStorage.startPlay(streamInfo);
            InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAYBACK, deviceId, channelId);
            if (inviteInfo != null) {
                inviteInfo.setStatus(InviteSessionStatus.ok);

                inviteInfo.setStreamInfo(streamInfo);
                inviteStreamService.updateInviteInfo(inviteInfo);
            }

            playBackResult.setCode(ErrorCode.SUCCESS.getCode());
            playBackResult.setMsg(ErrorCode.SUCCESS.getMsg());
            playBackResult.setData(streamInfo);
            playBackCallback.call(playBackResult);
        } else {
            logger.warn("录像回放调用失败！");
            playBackResult.setCode(ErrorCode.ERROR100.getCode());
            playBackResult.setMsg("录像回放调用失败！");
            playBackCallback.call(playBackResult);
        }
        return streamInfo;
    }

    @Override
@@ -435,24 +447,37 @@

    @Override
    public void playBack(String deviceId, String channelId, String startTime,
                                                          String endTime, InviteStreamCallback inviteStreamCallback,
                                                          PlayBackCallback callback) {
                                                          String endTime, ErrorCallback<Object> callback) {
        Device device = storager.queryVideoDevice(deviceId);
        if (device == null) {
            return;
            logger.warn("[录像回放] 未找到设备 deviceId: {},channelId:{}", deviceId, channelId);
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "未找到设备：" + deviceId);
        }
        MediaServerItem newMediaServerItem = getNewMediaServerItem(device);
        SSRCInfo ssrcInfo = mediaServerService.openRTPServer(newMediaServerItem, null, device.isSsrcCheck(), true);

        playBack(newMediaServerItem, ssrcInfo, deviceId, channelId, startTime, endTime, inviteStreamCallback, callback);
        MediaServerItem newMediaServerItem = getNewMediaServerItem(device);
        if (device.getStreamMode().equalsIgnoreCase("TCP-ACTIVE") && ! newMediaServerItem.isRtpEnable()) {
            logger.warn("[录像回放] 单端口收流时不支持TCP主动方式收流 deviceId: {},channelId:{}", deviceId, channelId);
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "单端口收流时不支持TCP主动方式收流");
        }
        String startTimeStr = startTime.replace("-", "")
                .replace(":", "")
                .replace(" ", "");
        String endTimeTimeStr = endTime.replace("-", "")
                .replace(":", "")
                .replace(" ", "");
        String stream = deviceId + "_" + channelId + "_" + startTimeStr + "_" + endTimeTimeStr;
        SSRCInfo ssrcInfo = mediaServerService.openRTPServer(newMediaServerItem, stream, null, device.isSsrcCheck(),  true, 0, false, device.getStreamModeForParam());
        playBack(newMediaServerItem, ssrcInfo, deviceId, channelId, startTime, endTime, callback);
    }

    @Override
    public void playBack(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo,
                                                          String deviceId, String channelId, String startTime,
                                                          String endTime, InviteStreamCallback infoCallBack,
                                                          PlayBackCallback playBackCallback) {
                                                          String endTime, ErrorCallback<Object> callback) {
        if (mediaServerItem == null || ssrcInfo == null) {
            callback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(),
                    InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getMsg(),
                    null);
            return;
        }

@@ -460,160 +485,208 @@
        if (device == null) {
            throw new ControllerException(ErrorCode.ERROR100.getCode(), "设备： " + deviceId + "不存在");
        }

        PlayBackResult<StreamInfo> playBackResult = new PlayBackResult<>();
        logger.info("[录像回放] deviceId: {}, channelId: {}, 开始时间: {}, 结束时间： {}, 收流端口：{}, 收流模式：{}, SSRC: {}, SSRC校验：{}",
                device.getDeviceId(), channelId, startTime, endTime, ssrcInfo.getPort(), device.getStreamMode(),
                ssrcInfo.getSsrc(), device.isSsrcCheck());
        // 初始化redis中的invite消息状态
        InviteInfo inviteInfo = InviteInfo.getInviteInfo(device.getDeviceId(), channelId, ssrcInfo.getStream(), ssrcInfo,
                mediaServerItem.getSdpIp(), ssrcInfo.getPort(), device.getStreamMode(), InviteSessionType.PLAYBACK,
                InviteSessionStatus.ready);
        inviteStreamService.updateInviteInfo(inviteInfo);
        String playBackTimeOutTaskKey = UUID.randomUUID().toString();
        dynamicTask.startDelay(playBackTimeOutTaskKey, () -> {
            logger.warn(String.format("设备回放超时，deviceId：%s ，channelId：%s", deviceId, channelId));
            playBackResult.setCode(ErrorCode.ERROR100.getCode());
            playBackResult.setMsg("回放超时");
            logger.warn("[录像回放] 超时，deviceId：{} ，channelId：{}", deviceId, channelId);
            inviteStreamService.removeInviteInfo(inviteInfo);
            callback.run(InviteErrorCode.ERROR_FOR_SIGNALLING_TIMEOUT.getCode(), InviteErrorCode.ERROR_FOR_SIGNALLING_TIMEOUT.getMsg(), null);

            try {
                cmder.streamByeCmd(device, channelId, ssrcInfo.getStream(), null);
            } catch (InvalidArgumentException | ParseException | SipException e) {
                logger.error("[录像流]回放超时 发送BYE失败 {}", e.getMessage());
                logger.error("[录像回放] 超时 发送BYE失败 {}", e.getMessage());
            } catch (SsrcTransactionNotFoundException e) {
                // 点播超时回复BYE 同时释放ssrc以及此次点播的资源
                mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
                mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
                streamSession.remove(deviceId, channelId, ssrcInfo.getStream());
            }
            // 回复之前所有的点播请求
            playBackCallback.call(playBackResult);
        }, userSetting.getPlayTimeout());

        SipSubscribe.Event errorEvent = event -> {
            logger.info("[录像回放] 失败，{} {}", event.statusCode, event.msg);
            dynamicTask.stop(playBackTimeOutTaskKey);
            playBackResult.setCode(ErrorCode.ERROR100.getCode());
            playBackResult.setMsg(String.format("回放失败， 错误码： %s, %s", event.statusCode, event.msg));
            playBackResult.setEvent(event);
            playBackCallback.call(playBackResult);
            callback.run(InviteErrorCode.ERROR_FOR_SIGNALLING_ERROR.getCode(),
                    String.format("回放失败， 错误码： %s, %s", event.statusCode, event.msg), null);
            mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
            mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
            streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
            inviteStreamService.removeInviteInfo(inviteInfo);
        };

        InviteStreamCallback hookEvent = (InviteStreamInfo inviteStreamInfo) -> {
            logger.info("收到回放订阅消息： " + inviteStreamInfo.getResponse().toJSONString());
        ZlmHttpHookSubscribe.Event hookEvent = (mediaServerItemInuse, hookParam) -> {
            logger.info("收到回放订阅消息： " + hookParam);
            dynamicTask.stop(playBackTimeOutTaskKey);
            StreamInfo streamInfo = onPublishHandler(inviteStreamInfo.getMediaServerItem(), inviteStreamInfo.getResponse(), deviceId, channelId);
            StreamInfo streamInfo = onPublishHandlerForPlayback(mediaServerItemInuse, hookParam, deviceId, channelId, startTime, endTime);
            if (streamInfo == null) {
                logger.warn("设备回放API调用失败！");
                playBackResult.setCode(ErrorCode.ERROR100.getCode());
                playBackResult.setMsg("设备回放API调用失败！");
                playBackCallback.call(playBackResult);
                callback.run(InviteErrorCode.ERROR_FOR_STREAM_PARSING_EXCEPTIONS.getCode(),
                        InviteErrorCode.ERROR_FOR_STREAM_PARSING_EXCEPTIONS.getMsg(), null);
                return;
            }
            redisCatchStorage.startPlayback(streamInfo, inviteStreamInfo.getCallId());
            playBackResult.setCode(ErrorCode.SUCCESS.getCode());
            playBackResult.setMsg(ErrorCode.SUCCESS.getMsg());
            playBackResult.setData(streamInfo);
            playBackResult.setMediaServerItem(inviteStreamInfo.getMediaServerItem());
            playBackResult.setResponse(inviteStreamInfo.getResponse());
            playBackCallback.call(playBackResult);
            callback.run(InviteErrorCode.SUCCESS.getCode(), InviteErrorCode.SUCCESS.getMsg(), streamInfo);
            logger.info("[录像回放] 成功 deviceId: {}, channelId: {},  开始时间: {}, 结束时间： {}", device.getDeviceId(), channelId, startTime, endTime);
        };

        try {
            cmder.playbackStreamCmd(mediaServerItem, ssrcInfo, device, channelId, startTime, endTime, infoCallBack,
            cmder.playbackStreamCmd(mediaServerItem, ssrcInfo, device, channelId, startTime, endTime,
                    hookEvent, eventResult -> {
                        if (eventResult.type == SipSubscribe.EventResultType.response) {
                            ResponseEvent responseEvent = (ResponseEvent) eventResult.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)) {
                                    return;
                                }
                                logger.info("[回放消息] 收到invite 200, 发现下级自定义了ssrc: {}", ssrcInResponse);
                                if (!mediaServerItem.isRtpEnable() || device.isSsrcCheck()) {
                                    logger.info("[回放消息] SSRC修正 {}->{}", ssrcInfo.getSsrc(), ssrcInResponse);

                                    if (!mediaServerItem.getSsrcConfig().checkSsrc(ssrcInResponse)) {
                                        // ssrc 不可用
                                        // 释放ssrc
                                        mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
                                        streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
                                        eventResult.msg = "下级自定义了ssrc,但是此ssrc不可用";
                                        eventResult.statusCode = 400;
                                        errorEvent.response(eventResult);
                                        return;
                                    }

                                    // 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, (MediaServerItem mediaServerItemInUse, JSONObject response) -> {
                                            logger.info("[ZLM HOOK] ssrc修正后收到订阅消息： " + response.toJSONString());
                                            dynamicTask.stop(playBackTimeOutTaskKey);
                                            // hook响应
                                            onPublishHandlerForPlayback(mediaServerItemInUse, response, device.getDeviceId(), channelId, playBackCallback);
                                            hookEvent.call(new InviteStreamInfo(mediaServerItem, null, eventResult.callId, "rtp", ssrcInfo.getStream()));
                                        });
                                    }
                                    // 关闭rtp server
                                    mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
                                    // 重新开启ssrc server
                                    mediaServerService.openRTPServer(mediaServerItem, ssrcInfo.getStream(), ssrcInResponse, device.isSsrcCheck(), true, ssrcInfo.getPort());
                                }
                            }
                        }
                        // 处理收到200ok后的TCP主动连接以及SSRC不一致的问题
                        InviteOKHandler(eventResult, ssrcInfo, mediaServerItem, device, channelId,
                                playBackTimeOutTaskKey, callback, inviteInfo, InviteSessionType.PLAYBACK);

                    }, errorEvent);
        } catch (InvalidArgumentException | SipException | ParseException e) {
            logger.error("[命令发送失败] 回放: {}", e.getMessage());
            logger.error("[命令发送失败] 录像回放: {}", e.getMessage());

            SipSubscribe.EventResult eventResult = new SipSubscribe.EventResult(new CmdSendFailEvent(null));
            SipSubscribe.EventResult eventResult = new SipSubscribe.EventResult();
            eventResult.type = SipSubscribe.EventResultType.cmdSendFailEvent;
            eventResult.statusCode = -1;
            eventResult.msg = "命令发送失败";
            errorEvent.response(eventResult);
        }
    }


    private void InviteOKHandler(SipSubscribe.EventResult eventResult, SSRCInfo ssrcInfo, MediaServerItem mediaServerItem,
                                 Device device, 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());
        String ssrcInResponse = SipUtils.getSsrcFromSdp(contentString);
        if (ssrcInfo.getSsrc().equals(ssrcInResponse)) {
            // ssrc 一致
            if (mediaServerItem.isRtpEnable()) {
                // 多端口
                if (device.getStreamMode().equalsIgnoreCase("TCP-ACTIVE")) {
                    tcpActiveHandler(device, channelId, contentString, mediaServerItem, timeOutTaskKey, ssrcInfo, callback);
                }
            }else {
                // 单端口
                if (device.getStreamMode().equalsIgnoreCase("TCP-ACTIVE")) {
                    logger.warn("[Invite 200OK] 单端口收流模式不支持tcp主动模式收流");
                }

            }
        }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 (device.isSsrcCheck()) {
                    // 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());
                    Boolean result = mediaServerService.updateRtpServerSSRC(mediaServerItem, ssrcInfo.getStream(), ssrcInResponse);
                    if (!result) {
                        try {
                            logger.warn("[Invite 200OK] 更新ssrc失败，停止点播 {}/{}", device.getDeviceId(), channelId);
                            cmder.streamByeCmd(device, 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(device.getDeviceId(), 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, device.getDeviceId(), 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 (device.getStreamMode().equalsIgnoreCase("TCP-ACTIVE")) {
                            if (mediaServerItem.isRtpEnable()) {
                                tcpActiveHandler(device, channelId, contentString, mediaServerItem, 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(device.getDeviceId(), channelId, ssrcTransaction.getCallId(),
                            inviteInfo.getStream(), ssrcInResponse, mediaServerItem.getId(), (SIPResponse) responseEvent.getResponse(), inviteSessionType);
                }
            }
        }
    }



    @Override
    public void download(String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, InviteStreamCallback infoCallBack, PlayBackCallback playBackCallback) {
    public void download(String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, ErrorCallback<Object> callback) {
        Device device = storager.queryVideoDevice(deviceId);
        if (device == null) {
            return;
        }
        MediaServerItem newMediaServerItem = getNewMediaServerItemHasAssist(device);
        if (newMediaServerItem == null) {
            PlayBackResult<StreamInfo> downloadResult = new PlayBackResult<>();
            downloadResult.setCode(ErrorCode.ERROR100.getCode());
            downloadResult.setMsg("未找到assist服务");
            playBackCallback.call(downloadResult);
            callback.run(InviteErrorCode.ERROR_FOR_ASSIST_NOT_READY.getCode(),
                    InviteErrorCode.ERROR_FOR_ASSIST_NOT_READY.getMsg(),
                    null);
            return;
        }
        SSRCInfo ssrcInfo = mediaServerService.openRTPServer(newMediaServerItem, null, device.isSsrcCheck(), true);

        download(newMediaServerItem, ssrcInfo, deviceId, channelId, startTime, endTime, downloadSpeed, infoCallBack, playBackCallback);
        // 录像下载不使用固定流地址，固定流地址会导致如果开始时间与结束时间一致时文件错误的叠加在一起
        SSRCInfo ssrcInfo = mediaServerService.openRTPServer(newMediaServerItem, null, null, device.isSsrcCheck(),  true, 0, false, device.getStreamModeForParam());
        download(newMediaServerItem, ssrcInfo, deviceId, channelId, startTime, endTime, downloadSpeed, callback);
    }


    @Override
    public void download(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, InviteStreamCallback infoCallBack, PlayBackCallback hookCallBack) {
    public void download(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, String deviceId, String channelId, String startTime, String endTime, int downloadSpeed, ErrorCallback<Object> callback) {
        if (mediaServerItem == null || ssrcInfo == null) {
            callback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(),
                    InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getMsg(),
                    null);
            return;
        }

        Device device = storager.queryVideoDevice(deviceId);
        if (device == null) {
            throw new ControllerException(ErrorCode.ERROR400.getCode(), "设备：" + deviceId + "不存在");
            callback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(),
                    "设备：" + deviceId + "不存在",
                    null);
            return;
        }
        PlayBackResult<StreamInfo> downloadResult = new PlayBackResult<>();

        logger.info("[录像下载] deviceId: {}, channelId: {}, 下载速度：{}, 收流端口：{}, 收流模式：{}, SSRC: {}, SSRC校验：{}", device.getDeviceId(), channelId, downloadSpeed, ssrcInfo.getPort(), device.getStreamMode(), ssrcInfo.getSsrc(), device.isSsrcCheck());
        // 初始化redis中的invite消息状态
        InviteInfo inviteInfo = InviteInfo.getInviteInfo(device.getDeviceId(), channelId, ssrcInfo.getStream(), ssrcInfo,
                mediaServerItem.getSdpIp(), ssrcInfo.getPort(), device.getStreamMode(), InviteSessionType.DOWNLOAD,
                InviteSessionStatus.ready);
        inviteStreamService.updateInviteInfo(inviteInfo);
        String downLoadTimeOutTaskKey = UUID.randomUUID().toString();
        dynamicTask.startDelay(downLoadTimeOutTaskKey, () -> {
            logger.warn(String.format("录像下载请求超时，deviceId：%s ，channelId：%s", deviceId, channelId));
            downloadResult.setCode(ErrorCode.ERROR100.getCode());
            downloadResult.setMsg("录像下载请求超时");
            hookCallBack.call(downloadResult);
            inviteStreamService.removeInviteInfo(inviteInfo);
            callback.run(InviteErrorCode.ERROR_FOR_SIGNALLING_TIMEOUT.getCode(),
                    InviteErrorCode.ERROR_FOR_SIGNALLING_TIMEOUT.getMsg(), null);

            // 点播超时回复BYE 同时释放ssrc以及此次点播的资源
            try {
@@ -629,85 +702,37 @@

        SipSubscribe.Event errorEvent = event -> {
            dynamicTask.stop(downLoadTimeOutTaskKey);
            downloadResult.setCode(ErrorCode.ERROR100.getCode());
            downloadResult.setMsg(String.format("录像下载失败， 错误码： %s, %s", event.statusCode, event.msg));
            downloadResult.setEvent(event);
            hookCallBack.call(downloadResult);
            callback.run(InviteErrorCode.ERROR_FOR_SIGNALLING_TIMEOUT.getCode(),
                    String.format("录像下载失败， 错误码： %s, %s", event.statusCode, event.msg), null);
            streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
            inviteStreamService.removeInviteInfo(inviteInfo);
        };
        InviteStreamCallback hookEvent = (InviteStreamInfo inviteStreamInfo) -> {
            logger.info("收到订阅消息： " + inviteStreamInfo.getCallId());
        ZlmHttpHookSubscribe.Event hookEvent = (mediaServerItemInuse, hookParam) -> {
            logger.info("[录像下载]收到订阅消息： " + hookParam);
            dynamicTask.stop(downLoadTimeOutTaskKey);
            StreamInfo streamInfo = onPublishHandler(inviteStreamInfo.getMediaServerItem(), inviteStreamInfo.getResponse(), deviceId, channelId);
            streamInfo.setStartTime(startTime);
            streamInfo.setEndTime(endTime);
            redisCatchStorage.startDownload(streamInfo, inviteStreamInfo.getCallId());
            downloadResult.setCode(ErrorCode.SUCCESS.getCode());
            downloadResult.setMsg(ErrorCode.SUCCESS.getMsg());
            downloadResult.setData(streamInfo);
            downloadResult.setMediaServerItem(inviteStreamInfo.getMediaServerItem());
            downloadResult.setResponse(inviteStreamInfo.getResponse());
            hookCallBack.call(downloadResult);
            StreamInfo streamInfo = onPublishHandlerForDownload(mediaServerItemInuse, hookParam, deviceId, channelId, startTime, endTime);
            if (streamInfo == null) {
                logger.warn("[录像下载] 获取流地址信息失败");
                callback.run(InviteErrorCode.ERROR_FOR_STREAM_PARSING_EXCEPTIONS.getCode(),
                        InviteErrorCode.ERROR_FOR_STREAM_PARSING_EXCEPTIONS.getMsg(), null);
                return;
            }
            callback.run(InviteErrorCode.SUCCESS.getCode(), InviteErrorCode.SUCCESS.getMsg(), streamInfo);
            logger.info("[录像下载] 调用成功 deviceId: {}, channelId: {},  开始时间: {}, 结束时间： {}", device.getDeviceId(), channelId, startTime, endTime);
        };
        try {
            cmder.downloadStreamCmd(mediaServerItem, ssrcInfo, device, channelId, startTime, endTime, downloadSpeed, infoCallBack,
                    hookEvent, errorEvent, eventResult ->
                    {
                        if (eventResult.type == SipSubscribe.EventResultType.response) {
                            ResponseEvent responseEvent = (ResponseEvent) eventResult.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)) {
                                    return;
                                }
                                logger.info("[回放消息] 收到invite 200, 发现下级自定义了ssrc: {}", ssrcInResponse);
                                if (!mediaServerItem.isRtpEnable() || device.isSsrcCheck()) {
                                    logger.info("[回放消息] SSRC修正 {}->{}", ssrcInfo.getSsrc(), ssrcInResponse);

                                    if (!mediaServerItem.getSsrcConfig().checkSsrc(ssrcInResponse)) {
                                        // ssrc 不可用
                                        // 释放ssrc
                                        mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcInfo.getSsrc());
                                        streamSession.remove(device.getDeviceId(), channelId, ssrcInfo.getStream());
                                        eventResult.msg = "下级自定义了ssrc,但是此ssrc不可用";
                                        eventResult.statusCode = 400;
                                        errorEvent.response(eventResult);
                                        return;
                                    }

                                    // 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, (MediaServerItem mediaServerItemInUse, JSONObject response) -> {
                                            logger.info("[ZLM HOOK] ssrc修正后收到订阅消息： " + response.toJSONString());
                                            dynamicTask.stop(downLoadTimeOutTaskKey);
                                            // hook响应
                                            onPublishHandlerForPlayback(mediaServerItemInUse, response, device.getDeviceId(), channelId, hookCallBack);
                                            hookEvent.call(new InviteStreamInfo(mediaServerItem, null, eventResult.callId, "rtp", ssrcInfo.getStream()));
                                        });
                                    }
                                    // 关闭rtp server
                                    mediaServerService.closeRTPServer(mediaServerItem, ssrcInfo.getStream());
                                    // 重新开启ssrc server
                                    mediaServerService.openRTPServer(mediaServerItem, ssrcInfo.getStream(), ssrcInResponse, device.isSsrcCheck(), true, ssrcInfo.getPort());
                                }
                            }
                        }

            cmder.downloadStreamCmd(mediaServerItem, ssrcInfo, device, channelId, startTime, endTime, downloadSpeed,
                    hookEvent, errorEvent, eventResult ->{
                        // 处理收到200ok后的TCP主动连接以及SSRC不一致的问题
                        InviteOKHandler(eventResult, ssrcInfo, mediaServerItem, device, channelId,
                                downLoadTimeOutTaskKey, callback, inviteInfo, InviteSessionType.DOWNLOAD);
                    });
        } catch (InvalidArgumentException | SipException | ParseException e) {
            logger.error("[命令发送失败] 录像下载: {}", e.getMessage());

            SipSubscribe.EventResult eventResult = new SipSubscribe.EventResult(new CmdSendFailEvent(null));
            SipSubscribe.EventResult eventResult = new SipSubscribe.EventResult();
            eventResult.type = SipSubscribe.EventResultType.cmdSendFailEvent;
            eventResult.statusCode = -1;
            eventResult.msg = "命令发送失败";
            errorEvent.response(eventResult);
        }
@@ -715,73 +740,89 @@

    @Override
    public StreamInfo getDownLoadInfo(String deviceId, String channelId, String stream) {
        StreamInfo streamInfo = redisCatchStorage.queryDownload(deviceId, channelId, stream, null);
        if (streamInfo != null) {
            if (streamInfo.getProgress() == 1) {
                return streamInfo;
        InviteInfo inviteInfo = inviteStreamService.getInviteInfo(InviteSessionType.DOWNLOAD, deviceId, channelId, stream);

        if (inviteInfo != null && inviteInfo.getStreamInfo() != null) {
            if (inviteInfo.getStreamInfo().getProgress() == 1) {
                return inviteInfo.getStreamInfo();
            }

            // 获取当前已下载时长
            String mediaServerId = streamInfo.getMediaServerId();
            String mediaServerId = inviteInfo.getStreamInfo().getMediaServerId();
            MediaServerItem mediaServerItem = mediaServerService.getOne(mediaServerId);
            if (mediaServerItem == null) {
                logger.warn("查询录像信息时发现节点已离线");
                return null;
            }
            if (mediaServerItem.getRecordAssistPort() > 0) {
                JSONObject jsonObject = assistRESTfulUtils.fileDuration(mediaServerItem, streamInfo.getApp(), streamInfo.getStream(), null);
                if (jsonObject == null) {
                    throw new ControllerException(ErrorCode.ERROR100.getCode(), "连接Assist服务失败");
                }
                if (jsonObject.getInteger("code") == 0) {
                    long duration = jsonObject.getLong("data");
            if (mediaServerItem.getRecordAssistPort() == 0) {
                throw new ControllerException(ErrorCode.ERROR100.getCode(), "未配置Assist服务，无法完成录像下载");
            }
            SsrcTransaction ssrcTransaction = streamSession.getSsrcTransaction(deviceId, channelId, null, stream);

                    if (duration == 0) {
                        streamInfo.setProgress(0);
                    } else {
                        String startTime = streamInfo.getStartTime();
                        String endTime = streamInfo.getEndTime();
                        long start = DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(startTime);
                        long end = DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(endTime);
            if (ssrcTransaction == null) {
                logger.warn("[获取下载进度]，未找到下载事务信息");
                return null;
            }

                        BigDecimal currentCount = new BigDecimal(duration / 1000);
                        BigDecimal totalCount = new BigDecimal(end - start);
                        BigDecimal divide = currentCount.divide(totalCount, 2, RoundingMode.HALF_UP);
                        double process = divide.doubleValue();
                        streamInfo.setProgress(process);
                    }
                }
            // 为了支持多个数据库，这里不能使用求和函数来直接获取总数了
            List<CloudRecordItem> cloudRecordItemList = cloudRecordServiceMapper.getList(null, "rtp", inviteInfo.getStream(), null, null, ssrcTransaction.getCallId(), null);

            if (cloudRecordItemList.isEmpty()) {
                logger.warn("[获取下载进度]，未找到下载视频信息");
                return null;
            }
            long duration = 0;
            for (CloudRecordItem cloudRecordItem : cloudRecordItemList) {
                duration += cloudRecordItem.getTimeLen();
            }
            if (duration == 0) {
                inviteInfo.getStreamInfo().setProgress(0);
            } else {
                String startTime = inviteInfo.getStreamInfo().getStartTime();
                String endTime = inviteInfo.getStreamInfo().getEndTime();
                // 此时start和end单位是秒
                long start = DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(startTime);
                long end = DateUtil.yyyy_MM_dd_HH_mm_ssToTimestamp(endTime);

                BigDecimal currentCount = new BigDecimal(duration);
                BigDecimal totalCount = new BigDecimal((end - start) * 1000);
                BigDecimal divide = currentCount.divide(totalCount, 2, RoundingMode.HALF_UP);
                double process = divide.doubleValue();
                inviteInfo.getStreamInfo().setProgress(process);
            }
            inviteStreamService.updateInviteInfo(inviteInfo);

            return inviteInfo.getStreamInfo();
        }
        return null;
    }

    private StreamInfo onPublishHandlerForDownload(MediaServerItem mediaServerItemInuse, HookParam hookParam, String deviceId, String channelId, String startTime, String endTime) {
        OnStreamChangedHookParam streamChangedHookParam = (OnStreamChangedHookParam) hookParam;
        StreamInfo streamInfo = onPublishHandler(mediaServerItemInuse, streamChangedHookParam, deviceId, channelId);
        if (streamInfo != null) {
            streamInfo.setProgress(0);
            streamInfo.setStartTime(startTime);
            streamInfo.setEndTime(endTime);
            InviteInfo inviteInfo = inviteStreamService.getInviteInfo(InviteSessionType.DOWNLOAD, deviceId, channelId, streamInfo.getStream());
            if (inviteInfo != null) {
                logger.info("[录像下载] 更新invite消息中的stream信息");
                inviteInfo.setStatus(InviteSessionStatus.ok);
                inviteInfo.setStreamInfo(streamInfo);
                inviteStreamService.updateInviteInfo(inviteInfo);
            }
        }
        return streamInfo;
    }

    @Override
    public void onPublishHandlerForDownload(InviteStreamInfo inviteStreamInfo, String deviceId, String channelId, String uuid) {
        RequestMessage msg = new RequestMessage();
        msg.setKey(DeferredResultHolder.CALLBACK_CMD_DOWNLOAD + deviceId + channelId);
        msg.setId(uuid);
        StreamInfo streamInfo = onPublishHandler(inviteStreamInfo.getMediaServerItem(), inviteStreamInfo.getResponse(), deviceId, channelId);
        if (streamInfo != null) {
            redisCatchStorage.startDownload(streamInfo, inviteStreamInfo.getCallId());
            msg.setData(JSON.toJSONString(streamInfo));
            resultHolder.invokeResult(msg);
        } else {
            logger.warn("设备预览API调用失败！");
            msg.setData(WVPResult.fail(ErrorCode.ERROR100.getCode(), "设备预览API调用失败！"));
            resultHolder.invokeResult(msg);
        }
    }


    public StreamInfo onPublishHandler(MediaServerItem mediaServerItem, JSONObject resonse, String deviceId, String channelId) {
        String streamId = resonse.getString("stream");
        JSONArray tracks = resonse.getJSONArray("tracks");
        StreamInfo streamInfo = mediaService.getStreamInfoByAppAndStream(mediaServerItem, "rtp", streamId, tracks, null);
    public StreamInfo onPublishHandler(MediaServerItem mediaServerItem, OnStreamChangedHookParam hookParam, String deviceId, String channelId) {
        StreamInfo streamInfo = mediaService.getStreamInfoByAppAndStream(mediaServerItem, "rtp", hookParam.getStream(), hookParam.getTracks(), null);
        streamInfo.setDeviceID(deviceId);
        streamInfo.setChannelId(channelId);
        return streamInfo;
    }


    @Override
    public void zlmServerOffline(String mediaServerId) {
@@ -874,15 +915,14 @@

    @Override
    public void pauseRtp(String streamId) throws ServiceException, InvalidArgumentException, ParseException, SipException {
        String key = redisCatchStorage.queryPlaybackForKey(null, null, streamId, null);
        StreamInfo streamInfo = redisCatchStorage.queryPlayback(null, null, streamId, null);
        if (null == streamInfo) {
        InviteInfo inviteInfo = inviteStreamService.getInviteInfoByStream(InviteSessionType.PLAYBACK, streamId);
        if (null == inviteInfo || inviteInfo.getStreamInfo() == null) {
            logger.warn("streamId不存在!");
            throw new ServiceException("streamId不存在");
        }
        streamInfo.setPause(true);
        RedisUtil.set(key, streamInfo);
        MediaServerItem mediaServerItem = mediaServerService.getOne(streamInfo.getMediaServerId());
        inviteInfo.getStreamInfo().setPause(true);
        inviteStreamService.updateInviteInfo(inviteInfo);
        MediaServerItem mediaServerItem = mediaServerService.getOne(inviteInfo.getStreamInfo().getMediaServerId());
        if (null == mediaServerItem) {
            logger.warn("mediaServer 不存在!");
            throw new ServiceException("mediaServer不存在");
@@ -892,21 +932,20 @@
        if (jsonObject == null || jsonObject.getInteger("code") != 0) {
            throw new ServiceException("暂停RTP接收失败");
        }
        Device device = storager.queryVideoDevice(streamInfo.getDeviceID());
        cmder.playPauseCmd(device, streamInfo);
        Device device = storager.queryVideoDevice(inviteInfo.getDeviceId());
        cmder.playPauseCmd(device, inviteInfo.getStreamInfo());
    }

    @Override
    public void resumeRtp(String streamId) throws ServiceException, InvalidArgumentException, ParseException, SipException {
        String key = redisCatchStorage.queryPlaybackForKey(null, null, streamId, null);
        StreamInfo streamInfo = redisCatchStorage.queryPlayback(null, null, streamId, null);
        if (null == streamInfo) {
        InviteInfo inviteInfo = inviteStreamService.getInviteInfoByStream(InviteSessionType.PLAYBACK, streamId);
        if (null == inviteInfo || inviteInfo.getStreamInfo() == null) {
            logger.warn("streamId不存在!");
            throw new ServiceException("streamId不存在");
        }
        streamInfo.setPause(false);
        RedisUtil.set(key, streamInfo);
        MediaServerItem mediaServerItem = mediaServerService.getOne(streamInfo.getMediaServerId());
        inviteInfo.getStreamInfo().setPause(false);
        inviteStreamService.updateInviteInfo(inviteInfo);
        MediaServerItem mediaServerItem = mediaServerService.getOne(inviteInfo.getStreamInfo().getMediaServerId());
        if (null == mediaServerItem) {
            logger.warn("mediaServer 不存在!");
            throw new ServiceException("mediaServer不存在");
@@ -916,7 +955,55 @@
        if (jsonObject == null || jsonObject.getInteger("code") != 0) {
            throw new ServiceException("继续RTP接收失败");
        }
        Device device = storager.queryVideoDevice(streamInfo.getDeviceID());
        cmder.playResumeCmd(device, streamInfo);
        Device device = storager.queryVideoDevice(inviteInfo.getDeviceId());
        cmder.playResumeCmd(device, inviteInfo.getStreamInfo());
    }

    @Override
    public void getSnap(String deviceId, String channelId, String fileName, ErrorCallback errorCallback) {
        Device device = deviceService.getDevice(deviceId);
        if (device == null) {
            errorCallback.run(InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getCode(), InviteErrorCode.ERROR_FOR_PARAMETER_ERROR.getMsg(), null);
            return;
        }
        InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
        if (inviteInfo != null) {
            if (inviteInfo.getStreamInfo() != null) {
                // 已存在线直接截图
                MediaServerItem mediaServerItemInuse = mediaServerService.getOne(inviteInfo.getStreamInfo().getMediaServerId());
                String streamUrl;
                if (mediaServerItemInuse.getRtspPort() != 0) {
                    streamUrl = String.format("rtsp://127.0.0.1:%s/%s/%s", mediaServerItemInuse.getRtspPort(), "rtp",  inviteInfo.getStreamInfo().getStream());
                }else {
                    streamUrl = String.format("http://127.0.0.1:%s/%s/%s.live.mp4", mediaServerItemInuse.getHttpPort(), "rtp",  inviteInfo.getStreamInfo().getStream());
                }
                String path = "snap";
                // 请求截图
                logger.info("[请求截图]: " + fileName);
                zlmresTfulUtils.getSnap(mediaServerItemInuse, streamUrl, 15, 1, path, fileName);
                File snapFile = new File(path + File.separator + fileName);
                if (snapFile.exists()) {
                    errorCallback.run(InviteErrorCode.SUCCESS.getCode(), InviteErrorCode.SUCCESS.getMsg(), snapFile.getAbsoluteFile());
                }else {
                    errorCallback.run(InviteErrorCode.FAIL.getCode(), InviteErrorCode.FAIL.getMsg(), null);
                }
                return;
            }
        }

        MediaServerItem newMediaServerItem = getNewMediaServerItem(device);
        play(newMediaServerItem, deviceId, channelId, null, (code, msg, data)->{
           if (code == InviteErrorCode.SUCCESS.getCode()) {
               InviteInfo inviteInfoForPlay = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, deviceId, channelId);
               if (inviteInfoForPlay != null && inviteInfoForPlay.getStreamInfo() != null) {
                   getSnap(deviceId, channelId, fileName, errorCallback);
               }else {
                   errorCallback.run(InviteErrorCode.FAIL.getCode(), InviteErrorCode.FAIL.getMsg(), null);
               }
           }else {
               errorCallback.run(InviteErrorCode.FAIL.getCode(), InviteErrorCode.FAIL.getMsg(), null);
           }
        });
    }

}