[MEncoder-users] mencoder exhausts system memory while encoding MPEG2

[Nico Sabbi]

Ryan T. Sammartino wrote:

>I am using
>
>MEncoder dev-SVN-r23715-4.1.2 
>
>configured with
>
>./configure --prefix=/usr --confdir=/etc/mplayer --enable-largefiles
>
>
>I am trying to use mencoder to "burn in" some subtitles:
>
>mencoder video.vob -of mpeg -oac lavc -ovc lavc -lavcopts
>acodec=ac3:abitrate=256:vcodec=mpeg2video:vbitrate=7000:keyint=150 -ofps 24
>-srate 48000 -sub subtitles.srt -subfont-autoscale 1 -subfont-osd-scale 4 -o
>"video-with-subtitles.vob"
>
>
>Unfortunately, about 15% of the way through, mencoder starts using more and more
>memory:  according to "top", it starts off using about 1.5%, but as soon as it
>hits 15% of the way through the file, it starts jumping rapidly.  Once it is
>about 20% of the way through, "top" reports ~45% usage.  Eventually, system
>memory is exhausted, and things start getting killed.
>
>This behaviour is observed for different input files from different input
>formats (I've tried MKV, MP4, and VOB), although the details differ: sometimes
>memory starts zooming up at 10%, other times at 30%, but the result is always
>the same:  I have not been able to finish encoding any file as my system runs
>out of memory (2 GB of RAM).
>
>Is there something wrong with my usage?  How can I work around this?
>
>  
>
-mpegopts format=dvd