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Overview
When using Video for Windows (VFW) programs to render material to an .avi
file, such as in the case of a completed video production or an animation, you can
use a Matrox VFW codec to create a Matrox .avi file. For example, you may want
to render an animation to a Matrox MPEG-2 I-frame .avi file so that you can
import the file as a realtime clip into your Adobe Premiere Pro projects on
Matrox Axio.
When rendering compositions or animations that have an alpha channel, you can
select a "+ Alpha" Matrox VFW codec to render to a Matrox uncompressed or
MPEG-2 I-frame .avi file that contains the alpha-key information. This .avi file
will be automatically keyed when you place the clip in an Adobe Premiere Pro
sequence.
The following sections explain the various settings that you need to make to
render material to a Matrox .avi file using a VFW program. For details on
exporting a Matrox sequence in Adobe Premiere Pro, see
.avi file"
¦ Note Although Matrox has tested many VFW programs, there may be certain
operational limitations when using the Matrox VFW codecs with some of these
programs (as well as with untested programs).
Using VFW programs without the Axio
hardware
If you installed the Matrox VFW software codecs for use without the Axio
hardware (see
the Axio hardware"
using your VFW program without having the Axio hardware in your computer.
For example, if you captured clips to Matrox MPEG-2 I-frame format using
Adobe Premiere Pro, you could edit and play back those clips on a system
without the Axio hardware, assuming that you installed the Matrox VFW
software codecs on that system.
Chapter 11, Using the Matrox Video for Windows Codecs
on page 92.
"Installing the Matrox VFW software codecs on a system without
on page 47), you can render and play back Matrox .avi files
"Exporting to a Matrox
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