By default, now send an indefinite frame time with GPUImageUIElement …

…updates to prevent freezing of the output. -updateUsingCurrentTime still lets you record movies from UI elements.
wagamama · May 2, 2014 · 429ccbd · 429ccbd
1 parent 0cdf63d
commit 429ccbd
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Showing 2 changed files with 15 additions and 3 deletions.
diff --git a/framework/Source/GPUImageUIElement.h b/framework/Source/GPUImageUIElement.h
@@ -9,5 +9,7 @@
 // Layer management
 - (CGSize)layerSizeInPixels;
 - (void)update;
+- (void)updateUsingCurrentTime;
+- (void)updateWithTimestamp:(CMTime)frameTime;
 
 @end
diff --git a/framework/Source/GPUImageUIElement.m b/framework/Source/GPUImageUIElement.m
@@ -60,8 +60,11 @@ - (CGSize)layerSizeInPixels;
 
 - (void)update;
 {
-    [GPUImageContext useImageProcessingContext];
-
+    [self updateWithTimestamp:kCMTimeIndefinite];
+}
+
+- (void)updateUsingCurrentTime;
+{
     if(CMTIME_IS_INVALID(time)) {
         time = CMTimeMakeWithSeconds(0, 600);
         actualTimeOfLastUpdate = [NSDate timeIntervalSinceReferenceDate];
@@ -71,6 +74,13 @@ - (void)update;
         time = CMTimeAdd(time, CMTimeMakeWithSeconds(diff, 600));
         actualTimeOfLastUpdate = now;
     }
+
+    [self updateWithTimestamp:time];
+}
+
+- (void)updateWithTimestamp:(CMTime)frameTime;
+{
+    [GPUImageContext useImageProcessingContext];
 
     CGSize layerPixelSize = [self layerSizeInPixels];
 
@@ -105,7 +115,7 @@ - (void)update;
             NSInteger textureIndexOfTarget = [[targetTextureIndices objectAtIndex:indexOfObject] integerValue];
 
             [currentTarget setInputSize:layerPixelSize atIndex:textureIndexOfTarget];
-            [currentTarget newFrameReadyAtTime:time atIndex:textureIndexOfTarget];
+            [currentTarget newFrameReadyAtTime:frameTime atIndex:textureIndexOfTarget];
         }
     }    
 }