From 93e6347f188b87e8d946005aa24b9d7401bc818c Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期二, 10 五月 2022 09:45:09 +0800
Subject: [PATCH]  优化推流调用

---
 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/SIPRequestHeaderProvider.java |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/SIPRequestHeaderProvider.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/SIPRequestHeaderProvider.java
index cb208a3..349732b 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/SIPRequestHeaderProvider.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/SIPRequestHeaderProvider.java
@@ -228,8 +228,13 @@
 	public Request createInfoRequest(Device device, StreamInfo streamInfo, String content)
 			throws PeerUnavailableException, ParseException, InvalidArgumentException {
 		Request request = null;
-		if (streamInfo == null) return null;
+		if (streamInfo == null) {
+			return null;
+		}
 		Dialog dialog = streamSession.getDialogByStream(streamInfo.getDeviceID(), streamInfo.getChannelId(), streamInfo.getStream());
+		if (dialog == null) {
+			return null;
+		}
 
 		SipURI requestLine = sipFactory.createAddressFactory().createSipURI(device.getDeviceId(),
 				device.getHostAddress());

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