Hi -
Anyone used ppmtoy4m to create composited from PPM images
(for example from a scanner/camera) for a DVD?
It's working - but what I'm ending up with is 720x480 progressive
and that's not, as far as I know, legal for use in making a DVD.
What I'm doing so far is:
(generate 720x540 PPM frames) | ppmtoy4m -F 30000:1001 | \
y4mscaler -O size-720x480 -S option=sinc8lan -O chromass=420_MPEG2 | \
mpeg2enc -f 8 -o intro.m2v
Am I correct that I need to generate interlaced PPM frames for input?
I tried simply adding "-L" to the ppmtoy4m line and the results were
quite blurry. Can the data be "interlaced" after generation, does
that even make sense, or does it need to be created that way?
So confused sometimes ;)
Cheers,
Steven Schultz
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