Re: [gentoo-user] converting any video to mpeg-1, mpeg-4 or DivX-5

[Iain Buchanan]

On Thu, 2005-12-15 at 12:59 +0900, Chris White wrote:
>
> mencoder / transcode
>
> DivX
>
> > DivX-5.x
> > Resolution : 720x480@25fps or 640x480@30fps
> > Bit Rate : 4Mbps
> > Audio : MPEG-1 Layer III, AAC, ADPCM
> > Format :.AVI ,
> > Remark:DivX-3.x/4.x unsupported
>
> Pick this

hmm, mencoder can't seem to do mpeg4 with aac audio, or divx5...

$ cat test.wmv | mencoder -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=4000 -nosound -

makes a test.avi, but when I try and play it on the device, I simply get
"unsupported file type".

I've tried similar options for 

$ cat test.wmv | mencoder -ovc lavc -lavcopts vcodec=mpeg1video:vbitrate=1500 -ofps 30 -oac mp3lame -

and other such commands, but all to no avail.  When I try

$ cat test.wmv | mencoder -ovc divx4 -ofps 30 -oac mp3lame -

I just get "Couldn't find video filter 'divx4'."

ffmpeg also seems to fail:
$ ffmpeg -i test.wmv -b 4000 -r 30 -s 352x288 -aspect 4:3 -vcodec mpeg4 test.avi

when I copy test.avi to the device as test.mp4, it says "file content
error!"

Any further suggestions?

thanks,
-- 
Iain Buchanan <iaindb at netspace dot net dot au>

Economists state their GNP growth projections to the nearest tenth of a
percentage point to prove they have a sense of humor.
		-- Edgar R. Fiedler

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