Merge branch 'master' of https://github.com/BradLarson/GPUImage

# By Alexander Edge # Via Alexander Edge (1) and Brad Larson (1) * 'master' of https://github.com/BradLarson/GPUImage: Prevent main (UI) thread freezing on repeat
turok · Nov 30, 2014 · 222f8b0 · 222f8b0
2 parents 9fd6e0f + b228793
commit 222f8b0
Showing 1 changed file with 11 additions and 9 deletions.
diff --git a/framework/Source/GPUImageMovie.m b/framework/Source/GPUImageMovie.m
@@ -174,15 +174,17 @@ - (void)startProcessing
     GPUImageMovie __block *blockSelf = self;
 
     [inputAsset loadValuesAsynchronouslyForKeys:[NSArray arrayWithObject:@"tracks"] completionHandler: ^{
-        NSError *error = nil;
-        AVKeyValueStatus tracksStatus = [inputAsset statusOfValueForKey:@"tracks" error:&error];
-        if (tracksStatus != AVKeyValueStatusLoaded)
-        {
-            return;
-        }
-        blockSelf.asset = inputAsset;
-        [blockSelf processAsset];
-        blockSelf = nil;
+        dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+            NSError *error = nil;
+            AVKeyValueStatus tracksStatus = [inputAsset statusOfValueForKey:@"tracks" error:&error];
+            if (tracksStatus != AVKeyValueStatusLoaded)
+            {
+                return;
+            }
+            blockSelf.asset = inputAsset;
+            [blockSelf processAsset];
+            blockSelf = nil;
+        });
     }];
 }