From 7055c53192aadf6af9444c81373ab256e760b808 Mon Sep 17 00:00:00 2001
From: hexq <hexiaoqu@visioninsight.com>
Date: 星期六, 20 一月 2024 10:26:49 +0800
Subject: [PATCH] BUGFIX:回放时,优先从SDP中提取channelId,兼容从Subject无法提取到channelId的问题

---
 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java |   38 ++++++++++++++++++++++++--------------
 1 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
index f9a0b7e..52b3421 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
@@ -30,8 +30,10 @@
 import com.genersoft.iot.vmp.utils.DateUtil;
 import gov.nist.javax.sdp.TimeDescriptionImpl;
 import gov.nist.javax.sdp.fields.TimeField;
+import gov.nist.javax.sdp.fields.URIField;
 import gov.nist.javax.sip.message.SIPRequest;
 import gov.nist.javax.sip.message.SIPResponse;
+import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.InitializingBean;
@@ -133,7 +135,20 @@
         //  Invite Request娑堟伅瀹炵幇锛屾娑堟伅涓�鑸负绾ц仈娑堟伅锛屼笂绾х粰涓嬬骇鍙戦�佽姹傝棰戞寚浠�
         try {
             SIPRequest request = (SIPRequest)evt.getRequest();
-            String channelId = SipUtils.getChannelIdFromRequest(request);
+            String channelIdFromSub = SipUtils.getChannelIdFromRequest(request);
+
+            // 瑙f瀽sdp娑堟伅, 浣跨敤jainsip 鑷甫鐨剆dp瑙f瀽鏂瑰紡
+            String contentString = new String(request.getRawContent());
+            Gb28181Sdp gb28181Sdp = SipUtils.parseSDP(contentString);
+            SessionDescription sdp = gb28181Sdp.getBaseSdb();
+            String sessionName = sdp.getSessionName().getValue();
+            String channelIdFromSdp = null;
+            if(StringUtils.equalsIgnoreCase("Playback", sessionName)){
+                URIField uriField = (URIField)sdp.getURI();
+                channelIdFromSdp = uriField.getURI().split(":")[0];
+            }
+            final String channelId = StringUtils.isNotBlank(channelIdFromSdp) ? channelIdFromSdp : channelIdFromSub;
+
             String requesterId = SipUtils.getUserIdFromFromHeader(request);
             CallIdHeader callIdHeader = (CallIdHeader) request.getHeader(CallIdHeader.NAME);
             if (requesterId == null || channelId == null) {
@@ -147,6 +162,8 @@
                 return;
             }
 
+            logger.info("[INVITE] requesterId: {}, callId: {}, 鏉ヨ嚜锛歿}锛歿}",
+                    requesterId, callIdHeader.getCallId(), request.getRemoteAddress(), request.getRemotePort());
 
             // 鏌ヨ璇锋眰鏄惁鏉ヨ嚜涓婄骇骞冲彴\璁惧
             ParentPlatform platform = storager.queryParentPlatByServerGBId(requesterId);
@@ -240,12 +257,6 @@
                     }
                     return;
                 }
-                // 瑙f瀽sdp娑堟伅, 浣跨敤jainsip 鑷甫鐨剆dp瑙f瀽鏂瑰紡
-                String contentString = new String(request.getRawContent());
-
-                Gb28181Sdp gb28181Sdp = SipUtils.parseSDP(contentString);
-                SessionDescription sdp = gb28181Sdp.getBaseSdb();
-                String sessionName = sdp.getSessionName().getValue();
 
                 Long startTime = null;
                 Long stopTime = null;
@@ -510,7 +521,10 @@
                                     }
                                 });
                     } else {
-
+                        sendRtpItem.setPlayType(InviteStreamType.PLAY);
+                        String streamId = String.format("%s_%s", device.getDeviceId(), channelId);
+                        sendRtpItem.setStreamId(streamId);
+                        redisCatchStorage.updateSendRTPSever(sendRtpItem);
                         SSRCInfo ssrcInfo = playService.play(mediaServerItem, device.getDeviceId(), channelId, ssrc, ((code, msg, data) -> {
                             if (code == InviteErrorCode.SUCCESS.getCode()) {
                                 hookEvent.run(code, msg, data);
@@ -522,9 +536,6 @@
                                 errorEvent.run(code, msg, data);
                             }
                         }));
-                        sendRtpItem.setPlayType(InviteStreamType.PLAY);
-                        String streamId = String.format("%s_%s", device.getDeviceId(), channelId);
-                        sendRtpItem.setStreamId(streamId);
                         sendRtpItem.setSsrc(ssrcInfo.getSsrc());
                         redisCatchStorage.updateSendRTPSever(sendRtpItem);
 
@@ -706,9 +717,6 @@
                 zlmHttpHookSubscribe.removeSubscribe(hookSubscribe);
                 dynamicTask.stop(callIdHeader.getCallId());
             }
-
-
-
         } else if ("push".equals(gbStream.getStreamType())) {
             if (!platform.isStartOfflinePush()) {
                 // 骞冲彴璁剧疆涓叧闂簡鎷夎捣绂荤嚎鐨勬帹娴佸垯鐩存帴鍥炲
@@ -731,6 +739,7 @@
             dynamicTask.startDelay(callIdHeader.getCallId(), () -> {
                 logger.info("[ app={}, stream={} ] 绛夊緟璁惧寮�濮嬫帹娴佽秴鏃�", gbStream.getApp(), gbStream.getStream());
                 try {
+                    redisPushStreamResponseListener.removeEvent(gbStream.getApp(), gbStream.getStream());
                     mediaListManager.removedChannelOnlineEventLister(gbStream.getApp(), gbStream.getStream());
                     responseAck(request, Response.REQUEST_TIMEOUT); // 瓒呮椂
                 } catch (SipException | InvalidArgumentException | ParseException e) {
@@ -744,6 +753,7 @@
             // 娣诲姞鍦ㄦ湰鏈轰笂绾跨殑閫氱煡
             mediaListManager.addChannelOnlineEventLister(gbStream.getApp(), gbStream.getStream(), (app, stream, serverId) -> {
                 dynamicTask.stop(callIdHeader.getCallId());
+                redisPushStreamResponseListener.removeEvent(gbStream.getApp(), gbStream.getStream());
                 if (serverId.equals(userSetting.getServerId())) {
                     SendRtpItem sendRtpItem = zlmServerFactory.createSendRtpItem(mediaServerItem, addressStr, finalPort, ssrc, requesterId,
                             app, stream, channelId, mediaTransmissionTCP, platform.isRtcp());

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