Swivel is a SWF-to-video converter, and, as far as I can tell, really the only solution for anyone who has a SWF, wants to export a video from it (as opposed to capturing a video in progress), and lacks the original FLA that was used to generate the SWF. It is decidedly a work-in-progress app, given that many of the SWFs I throw at it cannot even be rendered successfully, but I can't knock it too harshly since it seems to be the only software on the planet that can do what it does when it works.
Happily, it has the option to export as "Uncompressed AVI", and for my purposes I happen to need raw video. The built-in H.264 encoder is obviously not multipass, I want to maintain 4:4:4 chroma, and I'd rather use H.265 these days anyway.
Unfortunately, none of my players can do anything with whatever format the "Uncompressed AVI" comes in. They identify it as "fourcc BGR[square]", where the "square" is an unknown character substituted with a square symbol. Google doesn't help with this. MediaInfo recognizes it as a video, doesn't specify a codec... I assume that means it thinks it's raw, but that doesn't suddenly enable e.g. Avisynth to do anything with it.
Here is a tiny video clip exported from Swivel in this format.
Hopefully somebody has luck with this. Since it does seem to be a video codec with an honest to goodness label, I'm sure the experts here will know what to do with it. Incidentally, there really isn't a forum to speak of for people who want to troubleshoot this app. Newgrounds created it, but nobody talks about it, and most references to the app are out of date.
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