[GRASS-user] video

[Michael Barton]

S'pose that would work if I used Linux regularly. Maybe available on the Mac?

Michael
____________________
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.
> 
> http://rg3.github.com/youtube-dl/
> http://packages.debian.org/youtube-dl
> 
> 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
> though.
> 
> 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"
> 
> 
> Hamish