Book Image

Learning VirtualDub: The Complete Guide to Capturing, Processing and Encoding Digital Video

Book Image

Learning VirtualDub: The Complete Guide to Capturing, Processing and Encoding Digital Video

Overview of this book

VirtualDub is one of the most popular video processing applications for Windows. As an open source application, it's free, and is constantly updated and expanded by an active community of developers and experts. VirtualDub is particularly popular for capturing video from analogue sources such as video tape, cleaning up the image and compressing it ready for distribution over the Internet. This book provides a rapid and easy to use tutorial to the basic features of VirtualDub to get you up and running quickly. It explains how to capture great quality video from various sources, use filters to clean up the captured image and add special effects. The book also shows how to use VirtualDub to cut and paste video to remove or insert sequences, including removing ad breaks or trailers. It goes on to cover the art of effective encoding and compression, so you end up with great quality videos that won't hog your bandwidth forever. VirtualDub is the fastest and most effective way to capture, process and encode video on your PC. This book gets you started fast, and goes on to give you full control of all the features of this legendary tool.
Table of Contents (14 chapters)
Learning VirtualDub
Credits
About the Authors
Introduction

Chapter 4. Processing with VirtualDub

So we have captured our video: what now? What can we do with it and even more importantly, why would we want to do that with VirtualDub? What facilities does VirtualDub offer that might suit our needs? This chapter will answer all those questions in detail and at the same time give you a brief tour of the VirtualDub interfaces.

What we often do not realize is how "raw" a piece of captured footage is. It is usually uncompressed or compressed at awfully low compression ratios and therefore takes up a lot of your hard-disk space. Storage has become very cheap nowadays but not cheap enough to archive movies in this form. Even playback is impaired on older machines since uncompressed video is computationally very demanding. But suppose you could archive and play it without problems, it is quite probable that your capture would not be perfect, no matter how good you are with a camcorder or how good the quality of your TV reception is. In the first case, there...