Learning VirtualDub电子书

Learning VirtualDub

Table of Contents

Learning VirtualDub

Credits

About the Authors

Introduction

What This Book Covers

Conventions

Reader Feedback

Customer Support

Errata

Questions

1. Introducing VirtualDub

What is VirtualDub?

The World of VirtualDub

Software

VDubMod

AviSynth

Users

About this Book

Installation Preview

About VirtualDub

What VirtualDub Can Do

Capturing Video with VirtualDub

VirtualDub’s Early Development Years

Ongoing Development

About VDubMod

About AviSynth

Downloading and Installing VirtualDub

Additional Filters

VirtualDub Source Code

Downloading and Installing VDubMod

Downloading and Installing AviSynth

Filters

Desktop Icons and Your Default Player

Summary

2. Video Capture Equipment

Analog Video Resources

Digital Video Resources

The Nature of DV (Digital Video)

Streaming Video

Different Types of Capturing Devices

Internal versus External Equipment

What to Buy

Installing Capturing Equipment

Connecting Video Resources to the Capture Card

Final Tips and Optimizations for Better Video Capture

Summary

3. Capture Preprocessing

Defining an Input Source for VirtualDub

File Settings

Audio Settings

Video Settings

Compressing Input Signals while Capturing

Cropping Videos

Removing Unwanted Noises from Videos

Reducing File Size

Unusual Resolutions and Formats

Histogram

Capture Settings

The Buffer

Saving Current Configurations for Future Reference

The Synchronization Problem

Chunks

Capture Duration Restrictions

Summary

4. Processing with VirtualDub

VirtualDub Processing Functions

Append, Cut, Copy, and Paste

Filtering

Extraction of Stills

Sound Processing

Frame Rate Conversion

Field Interlace

External Processing and Frameserving

Example Processing

Summary

5. Basic Functionality

Appending

Extracting Stills

Summary

6. Video Filtering in VirtualDub

How Filters Work

Pipelines

Why is the Order Important

Built-In Filters

Smoothing and Blurring

Gaussian Blur

Smoothing

Motion Blur

Sharpen

Emboss

Flip

Rotate

Invert

Color Fill

Superimposing a Logo Image

Convolution

Grayscale and Black & White Video

Brightness/Contrast and Hue/Saturation/Value Adjustment

Cropping and Resizing

Black Bars Wrapping the Video

Cropping Black Bars from the Video

Resizing

Subtitles

Creating the Subtitles

Burning the Subtitles in your Video

Multiplexing Subtitles in AVI using AVIMux GUI

External Subtitles

Adding More Filters to Your Collection

Summary

7. Professional Video Editing

Installing a New Plug-in

Logo Removal Filters

Logo Removal with DeLogo

Removing Solid Elements from an Image

Removing Alpha-Blended Parts of a Frame

An Easier Way of Removing Logos

The Fastest Way of Removing a Logo with Logo Away

Using Other Logo Away Controls

More Convenience in Removing Logos

Putting Desired Information on the Video

Image Processing Filters

Decreasing Color Noise with CNR

The Algorithm Behind This Plug-in

Removing Shadows from Video

Filters for Fun

Defining Simple Transitions for Video with FadeFX

Half Toning Video

Fading between Various Hues

Colorizing it More

Pixellate Effect

A 1920’s Cinema Plug-in

Summary

8. Advanced Topics

Color Television

Frame Rates

Changing the Playback Speed of Video

Changing the Actual Frame Rate

Conversion between PAL and NTSC

Dealing with Interlaced Sources

De-Interlacing Methods

Field Bob

Field Swap

Hazardous Habits—How to Preserve Quality

Re-Compressing Video

VirtualDub Processing Modes

Recovering Damaged Files

Manually Controlling Input/Output Colorspaces

Summary

9. Frameserving

What is AviSynth?

What Frameservers Can Do

Setting Up the VirtualDub Frameserver

Serving Frames with VirtualDub

Setting Up AviSynth

Introduction to AviSynth Scripts

Variables

Source Filter and Supported Formats

Loading Third-Party Plug-ins in AviSynth

Separating the Fields of an Interlaced Video

Summary

10. Compressing: A World of Codecs

Interoperability and Open Standards

Older Codecs

Adding Codecs

Compressing Video

Saving the Video

Job Control

Calculating the Video and Audio Bitrate

Variable, Average, and Constant Bitrate Modes

Multi-Pass Encoding

Encoding with DivX

Encoding with XviD

MPEG-4 in AVI Interoperability

Compressing the Audio

Multiplexing Audio and Video

Summary

Index