修复线上奔溃信息。

DevelopmentPods/FUSFoundation/FUSFoundation/Classes/FUSFoundation/Views/StreamView/FUSTTVideoPlayer/FUSTTStreamPlayer.m

@@ -35,6 +35,10 @@
 // 视频帧是否回调
 @property (nonatomic, assign) BOOL openVideoFrameCallBack;
 
+@property (nonatomic, strong) FUSTTStreamPlayer *retainSelfWhileClosing;
+
+@property (nonatomic, strong) TVLManager *asyncClosingManager;
+
 @end
 
 @implementation FUSTTStreamPlayer
@@ -155,28 +159,28 @@
 }
 
 - (void)fus_destroyPlayer {
-    [self fus_destroyPlayerAsync:YES];
+    [self fus_destroyPlayerAsync:NO];
 }
 
 - (void)fus_destroyPlayerAsync:(BOOL)async {
     if (self.liveManager && !self.isAsyncClosing) {
+        TVLManager *manager = self.liveManager;
         self.isAsyncClosing = YES;
         @try {
             
-            if (self.liveManager.isPlaying
-                || self.liveManager.playerLoadState == TVLPlayerLoadStateStalled
-                || self.liveManager.playerLoadState == TVLPlayerLoadStatePlayable) {
-                [self.liveManager setMuted:YES];
+            if (manager.isPlaying
+                || manager.playerLoadState == TVLPlayerLoadStateStalled
+                || manager.playerLoadState == TVLPlayerLoadStatePlayable) {
+                [manager setMuted:YES];
             }
-            [self.liveManager.playerView removeFromSuperview];
+            [manager.playerView removeFromSuperview];
             if (async) {
-                dispatch_async(dispatch_get_global_queue(0, 0), ^{
-                    [self.liveManager stop];
-                });
-                [self.liveManager closeAsync];
+                self.retainSelfWhileClosing = self;
+                self.asyncClosingManager = manager;
+                [manager closeAsync];
             } else {
-                [self.liveManager stop];
-                [self.liveManager close];
+                [manager stop];
+                [manager close];
             }
         } @catch (NSException *exception) {
         } @finally {
@@ -186,6 +190,8 @@
             _liveManager.delegate = nil;
             _liveManager = nil;
             self.isAsyncClosing = NO;
+            self.asyncClosingManager = nil;
+            self.retainSelfWhileClosing = nil;
         }
     }
 }
@@ -465,8 +471,12 @@
         [self fus_removeKVOIfNeeded];
         self.liveManager = nil;
     }
+    if (manager == self.asyncClosingManager) {
+        self.asyncClosingManager = nil;
+    }
     manager = nil;
     self.isAsyncClosing = NO;
+    self.retainSelfWhileClosing = nil;
 }
 
 #pragma mark - VeLivePlayerObserver
@@ -547,6 +557,7 @@
 }
 
 - (void)dealloc {
+    _liveManager.delegate = nil;
     [self fus_removeKVOIfNeeded];
 }