Shikong/gb28181-docking-platform-mocking
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整合 回放 和 下载 sdp 构造

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shikong 2024-01-12 11:16:45 +08:00
parent 014ddcfcdf
commit f452e3af3b
1 changed files with 13 additions and 34 deletions
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47
gb28181-mocking-service/src/main/java/cn/skcks/docking/gb28181/mocking/core/sip/message/processor/invite/request/InviteRequestProcessor.java
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@ -13,12 +13,9 @@ import cn.skcks.docking.gb28181.mocking.service.device.DeviceProxyService;
import cn.skcks.docking.gb28181.mocking.service.device.DeviceService;
import cn.skcks.docking.gb28181.sdp.GB28181Description;
import cn.skcks.docking.gb28181.sdp.GB28181SDPBuilder;
import cn.skcks.docking.gb28181.sdp.media.MediaStreamMode;
import cn.skcks.docking.gb28181.sdp.parser.GB28181DescriptionParser;
import gov.nist.core.Separators;
import gov.nist.javax.sdp.SessionDescriptionImpl;
import gov.nist.javax.sdp.TimeDescriptionImpl;
import gov.nist.javax.sdp.fields.AttributeField;
import gov.nist.javax.sdp.fields.ConnectionField;
import gov.nist.javax.sdp.fields.TimeField;
import gov.nist.javax.sip.message.SIPRequest;
import jakarta.annotation.PostConstruct;
@ -32,7 +29,6 @@ import javax.sdp.*;
import javax.sip.RequestEvent;
import javax.sip.message.Request;
import javax.sip.message.Response;
import java.util.Arrays;
import java.util.Date;
import java.util.EventObject;
import java.util.Vector;
@ -99,8 +95,8 @@ public class InviteRequestProcessor implements MessageProcessor {
log.info("点播/回放请求");
if (StringUtils.equalsIgnoreCase(type, "Play")) {
// 暂不支持实时
sender.sendResponse(senderIp, transport, unsupported(request));
// play(request, device, gb28181Description, (MediaDescription) item);
// sender.sendResponse(senderIp, transport, unsupported(request));
play(request, device, gb28181Description, (MediaDescription) item);
} else {
playback(request, device, gb28181Description, (MediaDescription) item);
}
@ -193,33 +189,16 @@ public class InviteRequestProcessor implements MessageProcessor {
return;
}
SdpFactory sdpFactory = SdpFactory.getInstance();
SessionDescriptionImpl sessionDescription = new SessionDescriptionImpl();
GB28181Description description = new GB28181Description(sessionDescription);
description.setVersion(sdpFactory.createVersion(0));
// 目前只配置 ipv4
description.setOrigin(sdpFactory.createOrigin(channelId, 0, 0, ConnectionField.IN, Connection.IP4, senderIp));
description.setSessionName(gb28181Description.getSessionName());
description.setConnection(sdpFactory.createConnection(ConnectionField.IN, Connection.IP4, senderIp));
TimeField respTime = new TimeField();
respTime.setZero();
TimeDescription timeDescription = SdpFactory.getInstance().createTimeDescription(respTime);
description.setTimeDescriptions(new Vector<>() {{
add(timeDescription);
}});
String[] mediaTypeCodes = new String[]{"98","96"};
String protocol = ((MediaDescription) gb28181Description.getMediaDescriptions(true).get(0)).getMedia().getProtocol();
MediaDescription respMediaDescription = SdpFactory.getInstance().createMediaDescription("video", port, 0, StringUtils.isBlank(protocol)?SdpConstants.RTP_AVP:protocol, mediaTypeCodes);
Arrays.stream(mediaTypeCodes).forEach((k)->{
String v = GB28181SDPBuilder.RTPMAP.get(k);
respMediaDescription.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute(SdpConstants.RTPMAP, StringUtils.joinWith(Separators.SP,k,v)));
});
respMediaDescription.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute("sendonly", null));
GB28181SDPBuilder.Action action = isDownload ? GB28181SDPBuilder.Action.DOWNLOAD : GB28181SDPBuilder.Action.PLAY_BACK;
TimeField timeField = new TimeField();
timeField.setZero();
GB28181Description sdp = GB28181SDPBuilder.Sender.build(action,
device.getGbDeviceId(),
channelId, Connection.IP4, address, port,
gb28181Description.getSsrcField().getSsrc(),
MediaStreamMode.of(((MediaDescription) gb28181Description.getMediaDescriptions(true).get(0)).getMedia().getProtocol()),
SdpFactory.getInstance().createTimeDescription(timeField));
description.setMediaDescriptions(new Vector<>(){{
add(respMediaDescription);
}});
description.setSsrcField(gb28181Description.getSsrcField());
String ssrc = gb28181Description.getSsrcField().getSsrc();
String callId = request.getCallId().getCallId();
String key = GenericSubscribe.Helper.getKey(Request.ACK, callId);
@ -239,7 +218,7 @@ public class InviteRequestProcessor implements MessageProcessor {
scheduledExecutorService.schedule(()->{
// 发送 sdp 响应
sender.sendResponse(senderIp, transport, (ignore, ignore2, ignore3) -> SipResponseBuilder.responseSdp(request, description));
sender.sendResponse(senderIp, transport, (ignore, ignore2, ignore3) -> SipResponseBuilder.responseSdp(request, sdp));
}, 1,TimeUnit.SECONDS);
}