防止回放空时报空指针

gaoxun250@sina.com

2023-03-10 273b282af6f74403a0b13d2694beb4b7f48edaf6

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

@@ -5,17 +5,17 @@
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.SsrcConfig;
import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.SIPSender;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
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.ZlmHttpHookSubscribe;
import com.genersoft.iot.vmp.media.zlm.dto.*;
import com.genersoft.iot.vmp.service.IMediaServerService;
import com.genersoft.iot.vmp.service.IPlayService;
@@ -39,12 +39,14 @@
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.Random;
import java.util.Vector;

/**
@@ -157,11 +159,6 @@
                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(request, Response.BAD_REQUEST, "channel [" + channel.getChannelId() + "] offline");
//                        return;
//                    }
                    // 通道存在，发100，TRYING
                    try {
                        responseAck(request, Response.TRYING);
@@ -232,7 +229,7 @@
                    }
                    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(request, Response.NOT_FOUND);
@@ -318,7 +315,7 @@
                    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;
@@ -345,8 +342,7 @@
                        return;
                    }
                    SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                            device.getDeviceId(), channelId,
                            mediaTransmissionTCP);
                            device.getDeviceId(), channelId, mediaTransmissionTCP, platform.isRtcp());

                    if (tcpActive != null) {
                        sendRtpItem.setTcpActive(tcpActive);
@@ -385,7 +381,12 @@
                        } 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");
@@ -476,10 +477,11 @@

                            // 写入redis， 超时时回复
                            redisCatchStorage.updateSendRTPSever(sendRtpItem);
                            MediaServerItem finalMediaServerItem = mediaServerItem;
                            playService.play(mediaServerItem, ssrcInfo, device, channelId, hookEvent, errorEvent, (code, msg) -> {
                                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
@@ -491,6 +493,15 @@
                        }
                    }
                } else if (gbStream != null) {
                    if(ssrc.equals(ssrcDefault))
                    {
                        SsrcConfig ssrcConfig = mediaServerItem.getSsrcConfig();
                        if(ssrcConfig != null)
                        {
                            ssrc = ssrcConfig.getPlaySsrc();
                            ssrcConfig.releaseSsrc(ssrc);
                        }
                    }
                    if("push".equals(gbStream.getStreamType())) {
                        if (streamPushItem != null && streamPushItem.isPushIng()) {
                            // 推流状态
@@ -535,8 +546,7 @@
            if (streamReady) {
                // 自平台内容
                SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                        gbStream.getApp(), gbStream.getStream(), channelId,
                        mediaTransmissionTCP);
                        gbStream.getApp(), gbStream.getStream(), channelId, mediaTransmissionTCP, platform.isRtcp());

                if (sendRtpItem == null) {
                    logger.warn("服务器端口资源不足");
@@ -575,8 +585,7 @@
            if (streamReady) {
                // 自平台内容
                SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                        gbStream.getApp(), gbStream.getStream(), channelId,
                        mediaTransmissionTCP);
                        gbStream.getApp(), gbStream.getStream(), channelId, mediaTransmissionTCP, platform.isRtcp());

                if (sendRtpItem == null) {
                    logger.warn("服务器端口资源不足");
@@ -656,6 +665,7 @@
            if (!platform.isStartOfflinePush()) {
                // 平台设置中关闭了拉起离线的推流则直接回复
                try {
                    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());
@@ -692,7 +702,7 @@
                dynamicTask.stop(callIdHeader.getCallId());
                if (serverId.equals(userSetting.getServerId())) {
                    SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, finalPort, ssrc, requesterId,
                            app, stream, channelId, mediaTransmissionTCP);
                            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");
@@ -754,7 +764,7 @@
        // 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");
@@ -818,7 +828,13 @@
        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()) {
@@ -912,7 +928,7 @@
                    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);