From f4960b2618f8f19f3bcbdda9683ec051f16949de Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期三, 14 六月 2023 17:04:41 +0800
Subject: [PATCH] 修复移动位置获取接口超时 #857
---
src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 48 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
index 29bf66f..1d4ce4b 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
@@ -1,6 +1,7 @@
package com.genersoft.iot.vmp.gb28181.utils;
import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
+import com.genersoft.iot.vmp.gb28181.bean.Gb28181Sdp;
import com.genersoft.iot.vmp.gb28181.bean.RemoteAddressInfo;
import com.genersoft.iot.vmp.utils.GitUtil;
import gov.nist.javax.sip.address.AddressImpl;
@@ -10,6 +11,9 @@
import org.apache.commons.lang3.RandomStringUtils;
import org.springframework.util.ObjectUtils;
+import javax.sdp.SdpFactory;
+import javax.sdp.SdpParseException;
+import javax.sdp.SessionDescription;
import javax.sip.PeerUnavailableException;
import javax.sip.SipFactory;
import javax.sip.header.FromHeader;
@@ -190,4 +194,48 @@
}
return deviceChannel;
}
+
+ public static Gb28181Sdp parseSDP(String sdpStr) throws SdpParseException {
+
+ // jainSip涓嶆敮鎸亂= f=瀛楁锛� 绉婚櫎浠ヨВ鏋愩��
+ int ssrcIndex = sdpStr.indexOf("y=");
+ int mediaDescriptionIndex = sdpStr.indexOf("f=");
+ // 妫�鏌ユ槸鍚︽湁y瀛楁
+ SessionDescription sdp;
+ String ssrc = null;
+ String mediaDescription = null;
+ if (mediaDescriptionIndex == 0 && ssrcIndex == 0) {
+ sdp = SdpFactory.getInstance().createSessionDescription(sdpStr);
+ }else {
+ String lines[] = sdpStr.split("\\r?\\n");
+ StringBuilder sdpBuffer = new StringBuilder();
+ for (String line : lines) {
+ if (line.trim().startsWith("y=")) {
+ ssrc = line.substring(2);
+ }else if (line.trim().startsWith("f=")) {
+ mediaDescription = line.substring(2);
+ }else {
+ sdpBuffer.append(line.trim()).append("\r\n");
+ }
+ }
+ sdp = SdpFactory.getInstance().createSessionDescription(sdpBuffer.toString());
+ }
+ return Gb28181Sdp.getInstance(sdp, ssrc, mediaDescription);
+ }
+
+ public static String getSsrcFromSdp(String sdpStr) {
+
+ // jainSip涓嶆敮鎸亂= f=瀛楁锛� 绉婚櫎浠ヨВ鏋愩��
+ int ssrcIndex = sdpStr.indexOf("y=");
+ if (ssrcIndex == 0) {
+ return null;
+ }
+ String lines[] = sdpStr.split("\\r?\\n");
+ for (String line : lines) {
+ if (line.trim().startsWith("y=")) {
+ return line.substring(2);
+ }
+ }
+ return null;
+ }
}
--
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