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Old 26th May 2020, 22:42   #24  |  Link
benwaggoner
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Join Date: Jan 2006
Location: Portland, OR
Posts: 4,750
AVI is such a deprecated format! OpenDML, which was the last offical spec update IIRC, was from 1996. It doesn't support B-frames because they weren't invented yet. Video for Windows itself was supplanted by ActiveMovie back in 1996, which added support for B-frames along with MPEG-1.

I've not had much of a reason to use an AVI file myself for some years.
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