重构点播，回放，下载时ssrc不一致以及TCP主动播放的逻辑

648540858

2023-08-04 988dc36fa56a47cc4f331ab48c07577805a71425

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

@@ -1,5 +1,7 @@
package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.genersoft.iot.vmp.common.StreamInfo;
import com.genersoft.iot.vmp.conf.DynamicTask;
import com.genersoft.iot.vmp.conf.UserSetting;
@@ -47,6 +49,8 @@
import javax.sip.message.Response;
import java.text.ParseException;
import java.time.Instant;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import java.util.Vector;

@@ -153,7 +157,7 @@
                // 查询平台下是否有该通道
                DeviceChannel channel = storager.queryChannelInParentPlatform(requesterId, channelId);
                GbStream gbStream = storager.queryStreamInParentPlatform(requesterId, channelId);
                PlatformCatalog catalog = storager.getCatalog(channelId);
                PlatformCatalog catalog = storager.getCatalog(requesterId, channelId);

                MediaServerItem mediaServerItem = null;
                StreamPushItem streamPushItem = null;
@@ -396,6 +400,7 @@
                        content.append("y=" + sendRtpItem.getSsrc() + "\r\n");
                        content.append("f=\r\n");


                        try {
                            // 超时未收到Ack应该回复bye,当前等待时间为10秒
                            dynamicTask.startDelay(callIdHeader.getCallId(), () -> {
@@ -409,7 +414,33 @@
                                }
                            }, 60 * 1000);
                            responseSdpAck(request, content.toString(), platform);

                            // tcp主动模式，回复sdp后开启监听
                            if (sendRtpItem.isTcpActive()) {
                                MediaServerItem mediaInfo = mediaServerService.getOne(sendRtpItem.getMediaServerId());
                                Map<String, Object> param = new HashMap<>(12);
                                param.put("vhost","__defaultVhost__");
                                param.put("app",sendRtpItem.getApp());
                                param.put("stream",sendRtpItem.getStreamId());
                                param.put("ssrc", sendRtpItem.getSsrc());
                                if (!sendRtpItem.isTcpActive()) {
                                    param.put("dst_url",sendRtpItem.getIp());
                                    param.put("dst_port", sendRtpItem.getPort());
                                }
                                String is_Udp = sendRtpItem.isTcp() ? "0" : "1";
                                param.put("is_udp", is_Udp);
                                param.put("src_port", localPort);
                                param.put("pt", sendRtpItem.getPt());
                                param.put("use_ps", sendRtpItem.isUsePs() ? "1" : "0");
                                param.put("only_audio", sendRtpItem.isOnlyAudio() ? "1" : "0");
                                if (!sendRtpItem.isTcp()) {
                                    // 开启rtcp保活
                                    param.put("udp_rtcp_timeout", sendRtpItem.isRtcp()? "1":"0");
                                }
                                JSONObject startSendRtpStreamResult = zlmServerFactory.startSendRtpStreamForPassive(mediaInfo, param);
                                if (startSendRtpStreamResult != null) {
                                    startSendRtpStreamHand(evt, sendRtpItem, null, startSendRtpStreamResult, param, callIdHeader);
                                }
                            }
                        } catch (SipException | InvalidArgumentException | ParseException e) {
                            logger.error("[命令发送失败] 国标级联 回复SdpAck", e);
                        }
@@ -543,6 +574,18 @@
        }
    }

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

    /**
     * 安排推流
     */