public void setPreviewOrientation(int orientation) {
		if (mVideoStream != null) {
			mVideoStream.setPreviewOrientation(orientation);
		}
	}
Sets the orientation of the preview. <br />
You can call this method at any time and changes will take 
effect next time you call {@link #configure()}.
@param orientation The orientation of the preview
src/net/majorkernelpanic/streaming/Session.java