Code:
Getting started
Basically, AviSynth works like this: First, you create a simple text document with special commands, called a script. These commands make references to one or more videos and the filters you wish to run on them. Then, you run a video application, such as VirtualDub, and open the script file. This is when AviSynth takes action. It opens the videos you referenced in the script, runs the specified filters, and feeds the output to video application. The application, however, is not aware that AviSynth is working in the background. Instead, the application thinks that it is directly opening a filtered AVI file that resides on your hard drive.Code:
a1=AVISource("D:\OTA\Video1.avi")
a2=ImageSource("D:\OTA\Logo.png",pixel_type="RGB32")
a3=Overlay(a1,a2,mask=a2.ShowAlpha())Attachment 22251