Re: [Matplotlib-users] making quicktime animations from linux

[Andrew S. <str...@as...>]

I use::

 ffmpeg -r 60 -i frame%05d.png -vcodec wmv2 -b 2000k out.avi

And this works well to generate movies that play on Windows, Mac and
Linux. As a bonus, these movies can be included in Latex/Beamer output
using the movies15 package and played within the PDF via Adobe Reader on
Mac and Windows. (I'm sure it's just a matter of time before the linux
PDF readers can do this, too.) Finally I feel I am near a an end to my
cross-platform, doesn't-suck presentation-with-movies quest. I only wish
the movie format required to make this possible was less license and
patent encumbered...

I have been encoding on Ubuntu Jaunty with libraries from mediabuntu. I
haven't tested the above using the plain Ubuntu ffmpeg yet.

-Andrew

Philip Austin wrote:
> This isn't strictly a matplotlib question, but I'm hoping
> dual mac/linux users can provide some advice on converting png
> files to quicktime movies using mencoder on Ubuntu or Centos.
> So far I've found that
>
> 1) starting with
> http://matplotlib.sourceforge.net/examples/animation/movie_demo.html
> using
>
> mencoder mf://*.png -mf type=png:w=800:h=600:fps=25\
>     -ovc lavc -lavcopts vcodec=mpeg4 -oac copy -o output.avi
>
> produces an avi file that works with Ubuntu/mplayer, but
> fails with Windows Media Player.
>
> 2) changing the codec based on http://pymolwiki.org/index.php/Making_Movies
>
> mencoder -mc 0 -noskip -skiplimit 0 -ovc lavc -lavcopts 
> vcodec=msmpeg4v2:vhq "mf://*.png" -mf type=png:fps=18 -o output.avi
>
> works with mplayer and windows media player, but won't play
> on macs (unless they install vlc).
> When I try to convert the avi file to quicktime using
>   
>> h264enc -2p -p qt
>>     
> and accepting all defaults
> it makes it through both passes, gets to
> "converting avi file to mp4 container"
> and exits the "-> Failed!"
>
> Any pointers appreciated.  I'm open to  any linux based
> solution that produces animations
> that can be be viewed on all three platforms  -- thanks, Phil
>
>
>
>
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