How to create a thumbnail of video using Aquery

Question

i am working on listview showing list of video.i am getting url of video from web server.Now i want to create a thumbnail of video using aQuery.i am using this code:

     Bitmap bmThumbnail = ThumbnailUtils.createVideoThumbnail("http://"
                + videoList.get(1), Thumbnails.MICRO_KIND);

it is working, but is taking some time while scrolling.