[MPlayer-users] Ipod Touch Encoding problem

Jeff volckaert jvolckaert at gmail.com
Wed Nov 21 02:38:17 CET 2007


> That's what I've used:
>
> mencoder -ofps 25 -of lavf -lavfopts format=mp4 -af lavcresample=44100
> -vf-add harddup -vf-add scale=320:-11 -oac lavc -ovc lavc -lavcopts
> aglobal=1:vglobal=1:acodec=libfaac:abitrate=192:vcodec=libx264:vbitrate=384:keyint=25
> test.mp4 -o ipod.mp4
>
> and that's the result - try if it'll works (6MB):
> http://premium.fileden.com/premium/2006/12/11/497871/Private/ipod.mp4

Thanks for replying.  Yours plays great.

I had to add "i_certify_that_my_video_stream_does_not_use_b_frames"
and change libx264 to h264 to get it to run.  Here's what I ran:

mencoder -of lavf -lavfopts
format=mp4:i_certify_that_my_video_stream_does_not_use_b_frames -af
lavcresample=44100 -vf-add harddup -vf-add scale=320:240 -oac lavc
-ovc lavc -lavcopts
aglobal=1:vglobal=1:acodec=libfaac:abitrate=128:vcodec=h264:vbitrate=256:keyint=25
../1011_20071118200000.mpg -o SimpsonsMailingListTest2.mp4

I get a file I can import into Itunes, but it is all green garbage.
The audio sounds good though!

Any suggestions?

Jeff



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