[MEncoder-users] avi to h264 crashing itunes

Christian Ebert blacktrash at gmx.net
Fri Sep 12 17:52:31 CEST 2008


* Guillaume POIRIER on Friday, September 12, 2008 at 17:25:32 +0200
> On Tue, Sep 9, 2008 at 7:26 PM, Sebastian Kemper <sebastian_ml at gmx.net> wrote:
>> Am Montag, den 08.09.2008, 20:44 -0500 schrieb Philip Brodd:
>>> $ mencoder input.avi \
>>> -of lavf -lavfopts format=mp4 -vf dsize=560:-2,harddup \
>>> -ovc x264 -x264encopts bitrate=800:me=hex:pass=2:turbo=1 \
>>> -oac faac -faacopts mpeg=4:object=2:br=96 -channels 2 -srate 48000 \
>>> -o output2.mp4
>> 
>> Hi Philip,
>> 
>> "nocabac:level_idc=30" is needed ("B" frames are disabled per default).
>> Btw "trellis" needs CABAC from what I read so you can just let it go.
> 
> I'm pretty confident that this isn't correct.

Well, from my experiences with ffmpeg nocabac *is* needed;
level_idc can be either 30 (I use it for vga size 640:480) or 13
(my preference for qvga 320:240).

However I believe that trellis works.

c
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