[MEncoder-users] Cannot encode MP4/MOV/FLV with global headers!?

Laine Lee llee040 at sbcglobal.net
Fri Jul 9 03:03:28 CEST 2010


On 7/2/10 7:22 AM, "James Hastings-Trew" <jimht at shaw.ca> wrote:

> Mencoder cannot directly make files suitable for ipod. No matter what
> video and audio codecs you use (and I am pretty sure you are using the
> wrong ones here, but I could be mistaken), mencoder cannot add the "ipod
> atom" to the resulting file. For that, you will need mp4box.
> 
> A "one pass process" for ipod would be to use something else - like
> ffmpeg or handbrake.
> 
> Also, this question has been asked and answered in here several times
> over the years. Have a look in the archives at
> http://news.gmane.org/gmane.comp.video.mencoder.user , for the term
> "ipod" as a start. Have a look at this result:
> http://article.gmane.org/gmane.comp.video.mencoder.user/7492/match=ipod
> . It might be a titch out of date, as some of the encoding defaults have
> changed since then. For example, it might be necessary to declare
> bframes=0 now, as the default has changed from 0.


I'm making iPod videos (iPhone, iPod 2G, 3G) with MEncoder alone. Here's a
command I used today to do it.

mencoder inputfile -o outputfile.iPod.mp4' -vf scale=720:-10,harddup -of
lavf -lavfopts format=ipod -alang en -oac faac -faacopts
br=192:mpeg=4:object=2:raw -ovc x264 -x264encopts
bitrate=1500:nocabac:level_idc=30:bframes=0:global_header:threads=auto:subq=
5:partitions=all:trellis=1:chroma_me:me=umh:weightp=0:8x8dct=0;/bin/echo '
            
            ==========================
            
            outputfile.iPod.mp4 FINISHED!
            
            ==========================
            
            ' 

Laine Lee




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