Fixed the orientation of the front camera when switching between the …

…two using -rotateCamera.

README.md

@@ -385,7 +385,7 @@ One thing to note when adding fragment shaders to your Xcode project is that Xco
 
 ### Filtering and re-encoding a movie ###
 
-Movies can be loaded into the framework via the GPUImageMovie class, filtered, and then written out using a GPUImageMovieWriter. GPUImageMovieWriter is also fast enough to record video in realtime from an iPhone 4's camera at 640x480, so a direct filtered video source can be fed into it.
+Movies can be loaded into the framework via the GPUImageMovie class, filtered, and then written out using a GPUImageMovieWriter. GPUImageMovieWriter is also fast enough to record video in realtime from an iPhone 4's camera at 640x480, so a direct filtered video source can be fed into it. Currently, GPUImageMovieWriter is fast enough to record live 720p video at up to 20 FPS on the iPhone 4, and both 720p and 1080p video at 30 FPS on the iPhone 4S (as well as on the new iPad).
 
 The following is an example of how you would load a sample movie, pass it through a pixellation filter, then record the result to disk as a 480 x 640 h.264 movie:
 

framework/Source/GPUImageVideoCamera.m

@@ -237,6 +237,8 @@ - (void)rotateCamera
         //captureSession.sessionPreset = oriPreset;
         [_captureSession commitConfiguration];
     }
+
+    [self setOutputImageOrientation:_outputImageOrientation];
 }
 
 - (AVCaptureDevicePosition)cameraPosition