On Fri, 22 Apr 2005, Nicolas wrote:
> I don't use the MJPEG stream directly in Cinelerra, because here's what
> it gives:
> http://www.europephoto.com/studios_conti/image_extract_cinelerra.jpg
That, to put it politely, is terrible. It's dropping a field it
seems and using all 0 (the bright green very often means that Y'CbCr
of 0,0,0 was used).
mencoder understands mjpeg - so you could, if you wanted, use to go
directly from mjpeg to divx. Since you have square pixels to start,
and you're targeting computer playback and mp4 deals with square
pixels all you'd need to do is crop out a 4/3 section of the image,
deinterlace (if desired and mencoder has quite a few filter options
to do that) and encode to mpeg4/xvid/whatever.
Have you reported the bug to the author of Cinelerra? That's
really obnoxious behavior for a "video editor"...
Cheers,
Steven Schultz
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