On Sun, 2005-02-20 at 08:41 -0800, Steven Boswell II wrote: > Some time ago, there was a discussion on 4:1:1 chroma > subsampling in DV files of 3-2-pulldown sources, and > how the color needed a special line-switch in order to > be completely accurate. (Lines 2 and 3 of every group > of 4 lines have to be switched, IIRC.)
I must have missed that thread - since 4:1:1 isn't vertically subsampled, why would the chroma have a different vertical pattern than the luma? If I recall (I haven't used it in a long time) yuvkineco doesn't support 4:1:1. I think when I did use it I converted to 4:2:0 first. I always meant to add it but never got around to it. (And I won't anytime soon :)) You're not referring to an artifact of yuvkineco assuming 4:2:0 input are you? > Is there any interest in such a modification? I know > I would certainly appreciate it. I've tried to > understand the source code to yuvkineco, but no one > seems to comment their code as thoroughly as I comment > my own. :-) This color-interlacing problem is the > last remaining artifact in my video, and I'm keen to > squash it. I have some videotapes left to convert, so I'd be interested. But I barely have time to lurk on this list, much less code... Dan ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ Mjpeg-users mailing list Mjpeg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mjpeg-users
