Hello! I followed the instructions at
http://kdenlive.org/contribution-manual/how-submit-patch -- I submitted a bug
report, which can be found at http://www.kdenlive.org/mantis/view.php?id=2953 ,
and now I'm mailing the kdenlive-devel list.
My patch allows rendering to raw YUV. I wanted this feature because I want to
clean up my video clip (e.g. brightness, contrast) in kdenlive, then export it
to raw YUV for processing in mjpegtools (where I'm one of the developers), then
bring it back into kdenlive for editing/FX/etc.
The problem is that the exported raw-video is marked as progressive, even
though the parameters passed to MLT say that the video is not progressive! (My
input video is miniDV, which is bottom-field-first interlaced.) I know how to
fix this in mjpegtools, but I'm looking to fix the original problem. This may
be an MLT bug, in which case I'll keep digging there. But in kdenlive, the
"top" property in ProducerAvFormat (see
http://www.mltframework.org/bin/view/MLT/ProducerAvformat for more info)
doesn't appear to ever be set!
Does kdenlive handle interlaced video properly? Does it keep track of the
difference between top-field-first and bottom-field-first, i.e. if the
interlacing type of imported clips differ from each other? I haven't beaten
the other export types to death yet, but raw YUV is pretty hard to mess up, and
it's not working right, so I thought I'd ask.
Thanks for your help with this! I'm happy to contribute to your project, if I
can get some direction from you.
Steven Boswell
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