添加对海康平台录像回放的兼容，修复录像信息发送失败, 级联平台支持开启rtcp保活

648540858

2022-09-05 d5e8aa62a11352f228ba449b204d53d4e17897a5

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

@@ -248,16 +248,16 @@
                        String protocol = media.getProtocol();

                        // 区分TCP发流还是udp， 当前默认udp
                        if ("TCP/RTP/AVP".equals(protocol)) {
                        if ("TCP/RTP/AVP".equalsIgnoreCase(protocol)) {
                            String setup = mediaDescription.getAttribute("setup");
                            if (setup != null) {
                                mediaTransmissionTCP = true;
                                if ("active".equals(setup)) {
                                if ("active".equalsIgnoreCase(setup)) {
                                    tcpActive = true;
                                    // 不支持tcp主动
                                    responseAck(evt, Response.NOT_IMPLEMENTED, "tcp active not support"); // 目录不支持点播
                                    return;
                                } else if ("passive".equals(setup)) {
                                } else if ("passive".equalsIgnoreCase(setup)) {
                                    tcpActive = false;
                                }
                            }
@@ -302,7 +302,7 @@
                        return;
                    }
                    sendRtpItem.setCallId(callIdHeader.getCallId());
                    sendRtpItem.setPlayType("Play".equals(sessionName) ? InviteStreamType.PLAY : InviteStreamType.PLAYBACK);
                    sendRtpItem.setPlayType("Play".equalsIgnoreCase(sessionName) ? InviteStreamType.PLAY : InviteStreamType.PLAYBACK);

                    Long finalStartTime = startTime;
                    Long finalStopTime = stopTime;
@@ -321,7 +321,7 @@
                        content.append("o=" + channelId + " 0 0 IN IP4 " + mediaServerItemInUSe.getSdpIp() + "\r\n");
                        content.append("s=" + sessionName + "\r\n");
                        content.append("c=IN IP4 " + mediaServerItemInUSe.getSdpIp() + "\r\n");
                        if ("Playback".equals(sessionName)) {
                        if ("Playback".equalsIgnoreCase(sessionName)) {
                            content.append("t=" + finalStartTime + " " + finalStopTime + "\r\n");
                        } else {
                            content.append("t=0 0\r\n");
@@ -365,7 +365,7 @@
                        }
                    });
                    sendRtpItem.setApp("rtp");
                    if ("Playback".equals(sessionName)) {
                    if ("Playback".equalsIgnoreCase(sessionName)) {
                        sendRtpItem.setPlayType(InviteStreamType.PLAYBACK);
                        SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, null, true, true);
                        sendRtpItem.setStreamId(ssrcInfo.getStream());
@@ -563,6 +563,7 @@
            responseAck(evt, Response.BAD_REQUEST, "channel [" + gbStream.getGbId() + "] offline");
        } 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
                responseAck(evt, Response.TEMPORARILY_UNAVAILABLE, "channel unavailable");
                return;
            }
@@ -599,7 +600,7 @@
                            app, stream, channelId, mediaTransmissionTCP);

                    if (sendRtpItem == null) {
                        logger.warn("服务器端口资源不足");
                        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(evt, Response.BUSY_HERE);
                        } catch (SipException e) {