Don't enable the audio track if it's already enabled. It can cause th…

…e system to have two AVAssetWriters for audio going at once.
wjcwukong · Sep 5, 2013 · 24d4c94 · 24d4c94
1 parent e86a27d
commit 24d4c94
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/framework/Source/GPUImageOutput.m b/framework/Source/GPUImageOutput.m
@@ -456,8 +456,10 @@ - (void)textureNoLongerNeededForTarget:(id<GPUImageInput>)textureTarget;
 - (void)setAudioEncodingTarget:(GPUImageMovieWriter *)newValue;
 {    
     _audioEncodingTarget = newValue;
-
-    _audioEncodingTarget.hasAudioTrack = YES;
+    if( ! _audioEncodingTarget.hasAudioTrack )
+    {
+        _audioEncodingTarget.hasAudioTrack = YES;
+    }
 }
 
 @end