diff --git a/examples/iOS/BenchmarkSuite/BenchmarkSuite/ImageFilteringBenchmarkController.m b/examples/iOS/BenchmarkSuite/BenchmarkSuite/ImageFilteringBenchmarkController.m
index 43b21ca06..35e55bbac 100755
--- a/examples/iOS/BenchmarkSuite/BenchmarkSuite/ImageFilteringBenchmarkController.m
+++ b/examples/iOS/BenchmarkSuite/BenchmarkSuite/ImageFilteringBenchmarkController.m
@@ -131,12 +131,12 @@ - (UIImage *)imageProcessedUsingGPUImage:(UIImage *)imageToProcess;
     
     GPUImagePicture *stillImageSource = [[GPUImagePicture alloc] initWithImage:imageToProcess];
     GPUImageSepiaFilter *stillImageFilter = [[GPUImageSepiaFilter alloc] init];
-    [stillImageFilter prepareForImageCapture];
     
     [stillImageSource addTarget:stillImageFilter];
+    [stillImageFilter useNextFrameForImageCapture];
     [stillImageSource processImage];
     
-    UIImage *currentFilteredVideoFrame = [stillImageFilter imageFromCurrentlyProcessedOutput];
+    UIImage *currentFilteredVideoFrame = [stillImageFilter imageFromCurrentFramebuffer];
     
     elapsedTime = CFAbsoluteTimeGetCurrent() - startTime;
     processingTimeForGPUImageRoutine = elapsedTime * 1000.0;
diff --git a/examples/iOS/BenchmarkSuite/BenchmarkSuite/VideoFilteringDisplayController.m b/examples/iOS/BenchmarkSuite/BenchmarkSuite/VideoFilteringDisplayController.m
index 53e4a9f90..34ed594ea 100755
--- a/examples/iOS/BenchmarkSuite/BenchmarkSuite/VideoFilteringDisplayController.m
+++ b/examples/iOS/BenchmarkSuite/BenchmarkSuite/VideoFilteringDisplayController.m
@@ -237,8 +237,8 @@ -(void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMS
 
         unsigned char *data = (unsigned char *)CVPixelBufferGetBaseAddress(pixelBuffer);
 
-        int bufferHeight = CVPixelBufferGetHeight(pixelBuffer);
-        int bufferWidth = CVPixelBufferGetWidth(pixelBuffer);
+        size_t bufferHeight = CVPixelBufferGetHeight(pixelBuffer);
+        size_t bufferWidth = CVPixelBufferGetWidth(pixelBuffer);
         NSInteger myDataLength = bufferWidth * bufferHeight * 4;