From 46aab8c1ff61220fe69af3d31aaef9e3bed98602 Mon Sep 17 00:00:00 2001
From: wangxidong <onesitdown@163.com>
Date: Thu, 15 Dec 2022 10:57:36 +0800
Subject: [PATCH] fix windows crash bugs

---
 .../Source/AgoraExample/AgoraVideoWidget.cpp               | 7 +++++++
 .../Source/AgoraExample/AgoraVideoWidget.h                 | 2 ++
 .../Source/AgoraExample/ProcessAudioRawDataWidget.cpp      | 3 +--
 .../Source/AgoraExample/ProcessAudioRawDataWidget.h        | 3 +++
 4 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/AgoraVideoWidget.cpp b/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/AgoraVideoWidget.cpp
index cf8c59bb..88baa1c7 100644
--- a/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/AgoraVideoWidget.cpp
+++ b/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/AgoraVideoWidget.cpp
@@ -190,6 +190,11 @@ void UAgoraVideoWidget::onUserOffline(agora::rtc::uid_t uid, agora::rtc::USER_OF
 void UAgoraVideoWidget::onLeaveChannel(const agora::rtc::RtcStats& stats) {
 	AsyncTask(ENamedThreads::GameThread, [=]()
 	{
+		if (bIsDestruct)
+		{
+			UE_LOG(LogTemp, Warning, TEXT("UVideoWidget::onLeaveChannel bIsDestruct"));
+			return;
+		}
 		UE_LOG(LogTemp, Warning, TEXT("UVideoWidget::onLeaveChannel"));
 		agora::rtc::VideoCanvas videoCanvas;
 		videoCanvas.view = nullptr;
@@ -318,6 +323,8 @@ void UAgoraVideoWidget::NativeDestruct() {
 		delete RtcEngineProxy;
 
 		RtcEngineProxy = nullptr;
+
+		bIsDestruct = true;
 	}
 
 }
\ No newline at end of file
diff --git a/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/AgoraVideoWidget.h b/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/AgoraVideoWidget.h
index 6cb0135d..994def7f 100644
--- a/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/AgoraVideoWidget.h
+++ b/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/AgoraVideoWidget.h
@@ -140,6 +140,8 @@ class AGORAEXAMPLE_API UAgoraVideoWidget : public UBaseAgoraUserWidget, public a
 
 	FSlateBrush EmptyBrush;
 
+	bool bIsDestruct = false;
+
 	void InitAgoraEngine(FString APP_ID, FString TOKEN, FString CHANNEL_NAME);
 
 	void SetUpUIEvent();
diff --git a/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/ProcessAudioRawDataWidget.cpp b/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/ProcessAudioRawDataWidget.cpp
index 64e65b97..01b31162 100644
--- a/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/ProcessAudioRawDataWidget.cpp
+++ b/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/ProcessAudioRawDataWidget.cpp
@@ -2,8 +2,7 @@
 
 
 #include "ProcessAudioRawDataWidget.h"
-#include <string>
-#import <Foundation/Foundation.h>
+
 void UProcessAudioRawDataWidget::InitAgoraWidget(FString APP_ID, FString TOKEN, FString CHANNEL_NAME)
 {
 	InitConfig();
diff --git a/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/ProcessAudioRawDataWidget.h b/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/ProcessAudioRawDataWidget.h
index 64c7fe4f..42ce99a1 100644
--- a/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/ProcessAudioRawDataWidget.h
+++ b/Agora-Unreal-SDK-CPP-Example/Source/AgoraExample/ProcessAudioRawDataWidget.h
@@ -15,6 +15,9 @@
 #include "AndroidPermission/Classes/AndroidPermissionFunctionLibrary.h"
 #endif
 #include <string>
+#if PLATFORM_IOS
+#import <Foundation/Foundation.h>
+#endif
 #include "ProcessAudioRawDataWidget.generated.h"
 
 using namespace agora::rtc;