[theora] ogg movie out of png pics

ZikZak zikzak at tele2.fr
Tue Aug 29 09:53:15 PDT 2006

Ralph Giles a écrit :
> On Mon, Aug 28, 2006 at 02:54:13PM +0200, All Pebre wrote:
>> mencoder "mf://*.png" -mf type=png:fps=5 -vf spp,scale -ovc lavc -o 
>> output.avi
> You can output to yuv4mpeg instead of avi and pipe that to the theora 
> encoder_example; that doesn't waste any time or quality. See for example
> http://people.xiph.org/~j/ogg-theora-microhowto.html
> You could also do this with gstreamer 0.8, but apparently multifilesrc 
> still needs to be ported to 0.10. :/
> I had no idea imagemagick was growing ogg support; very cool. Although 
> unless they fix their architecture it still won't be very useful; the 
> last time I used it for making mng animations it loaded all the images 
> into ram at once, which only works for small clips.
> HTH,
>  -r
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You can do a simple script like that:


mencoder "mf://*.png" -mf type=png:fps=5 -vf spp,scale -ovc lavc -o output.avi

mkfifo -m 660 stream.yuv
mplayer -vo yuv4mpeg -ao null -nosound -quiet output.avi > video.log &
encoder_example -v 8 stream.yuv -o output.ogg


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