优化sdp解析，兼容带有f=的设备

648540858

2023-06-10 446f729e559730b813291f072a6e33a012923018

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java

@@ -146,6 +146,7 @@
        builder.append(strTmp, 0, 2);

        strTmp = String.format("%02X", parameter2);

        builder.append(strTmp, 0, 2);

        //优化zoom变倍速率

        if ((combineCode2 > 0) && (combineCode2 <16))

        {

            combineCode2 = 16;

@@ -451,7 +452,7 @@
            }

            subscribe.removeSubscribe(hookSubscribe);

        });

        Request request = headerProvider.createPlaybackInviteRequest(device, channelId, content.toString(), null, SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()), ssrcInfo.getSsrc());

        Request request = headerProvider.createPlaybackInviteRequest(device, channelId, content.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,sipSender.getNewCallIdHeader(sipLayer.getLocalIp(device.getLocalIp()),device.getTransport()), ssrcInfo.getSsrc());



        sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent, event -> {

            ResponseEvent responseEvent = (ResponseEvent) event.event;

@@ -567,17 +568,13 @@
                    });

        });



        Request request = headerProvider.createPlaybackInviteRequest(device, channelId, content.toString(), null, SipUtils.getNewFromTag(), null,newCallIdHeader, ssrcInfo.getSsrc());

        Request request = headerProvider.createPlaybackInviteRequest(device, channelId, content.toString(), SipUtils.getNewViaTag(), SipUtils.getNewFromTag(), null,newCallIdHeader, ssrcInfo.getSsrc());



        sipSender.transmitRequest(sipLayer.getLocalIp(device.getLocalIp()), request, errorEvent, event -> {

            ResponseEvent responseEvent = (ResponseEvent) event.event;

            SIPResponse response = (SIPResponse) responseEvent.getResponse();

            String contentString =new String(response.getRawContent());

            int ssrcIndex = contentString.indexOf("y=");

            String ssrc=ssrcInfo.getSsrc();

            if (ssrcIndex >= 0) {

                ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);

            }

            String ssrc = SipUtils.getSsrcFromSdp(contentString);

            streamSession.put(device.getDeviceId(), channelId, response.getCallIdHeader().getCallId(), ssrcInfo.getStream(), ssrc, mediaServerItem.getId(), response, InviteSessionType.DOWNLOAD);

            okEvent.response(event);

        });