Matrox MXO2 PCIe Host Adapter - Manual (Page 264)

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Chapter 18, Using the Matrox Video for Windows Codecs
Overview
When using Video for Windows (VFW) programs to render material to an .avi
file, 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 for
use in your Adobe Premiere Pro projects on Matrox MXO2.
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 sequence in Adobe Premiere Pro, see “Exporting to a Matrox .avi
file” on page 85 .
¦ 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 MXO2
hardware
If you installed the Matrox VFW software codecs for use without the MXO2
hardware (see
“Installing the Matrox VFW software codecs on a system without
the MXO2 hardware” on page 10 ), you can render and play back Matrox .avi
files using your VFW program without having the MXO2 hardware. 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
MXO2 hardware, assuming that you installed the Matrox VFW software codecs
on that system.