解决上级平台点播proxy代理流时未携带SSRC信息,gbStream采用默认0000000000作为SSRC无法播放问题。以及上级平台点播proxy...

lovemen

2023-02-23 845ce5331322b18f1514c476c86a0e352f79dde9

解决上级平台点播proxy代理流时未携带SSRC信息,gbStream采用默认0000000000作为SSRC无法播放问题。以及上级平台点播proxy代理流时回复的SDP本地端口号为0不兼容问题。

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

@@ -5,6 +5,7 @@
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;
@@ -492,6 +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
@@ -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()) {