Michael.Barton at asu.edu
Tue Nov 15 18:51:18 EST 2011
S'pose that would work if I used Linux regularly. Maybe available on the Mac?
C. Michael Barton
Director, Center for Social Dynamics & Complexity
Professor of Anthropology, School of Human Evolution & Social Change
Arizona State University
voice: 480-965-6262 (SHESC), 480-727-9746 (CSDC)
fax: 480-965-7671 (SHESC), 480-727-0709 (CSDC)
www: http://www.public.asu.edu/~cmbarton, http://csdc.asu.edu
On Nov 15, 2011, at 4:45 PM, Hamish wrote:
> Markus wrote:
>> - low res: no idea how to download from youtube
> try youtube-dl from the linux command line.
> then you get a .flv file which VLC & alikes are
> happy to play.
> probably better to re-encode ourselves from the
> original source than re-encode youtube's reencoding
> I'm no expert with `transcode` or `ffmpeg`, which
> may be better suited for the task, but in the past
> I've used mencoder to do it, e.g. for a 720px wide
> result from (much larger) sequential png plot
> frames, the command is like:
> mencoder "mf://frame_*.png" -mf "type=png:fps=2" -o movie.avi \
> -vf scale -zoom -xy 720 -ovc "x264" -x264encopts "pass=3" \
> -x264encopts "preset=veryslow" -x264encopts "tune=animation"
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