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Directshow, The epiphan capture api – Epiphan VGA2USB Pro User Manual

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11. About Epiphan frame grabbing technology

The video capture workstation

User Guide

Page 37

Figure 8: Epiphan USB device driver

You can also find the Frame Grabber from the Windows Control

Panel by opening the Scanners and Cameras control panel

application.

DirectShow

DirectShow is the standard Microsoft DirectShow multimedia

API. The Epiphan USB device driver can send captured images

directly to DirectShow. This means that any DirectShow-

compatible application can receive captured images. For example,

you can use applications such as VirtualDUB to record avi files,

Microsoft Media Encoder to record wmv files, and RealProducer

to record rm files all consisting of a series of captured images sent

to DirectShow by the Epiphan USB device driver. See

“Using a

DirectShow application to record video files” on page 107

.

You can also create your own custom DirectShow-compatible

video capture application to record captured images from

DirectShow.

The Epiphan capture API

The Epiphan capture API also receives captured images from the

Epiphan USB device driver. The Epiphan capture API is

optimized for processing Epiphan Frame Grabber captured

images. The Epiphan capture API analyzes individual images,

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