[MPlayer-users] Audio encoding speed?

[Phil Oleynik]

Josef Wolf wrote:

>Hello!
>
>I noticed that encoding mpeg2 TS streams to divx with 
>
>  mencoder -ni -cache 4096 in.vdr -o out.avi \
>    -ovc lavc -lavcopts vcodec=mpeg4:vqmin=2:mbd=0:vpass=1 \
>    -oac mp3lame -lameopts q=0:vbr=0:aq=0
>
>takes about four times longer than with
>
>  mencoder -ni -cache 4096 in.vdr -o out.avi \
>    -ovc lavc -lavcopts vcodec=mpeg4:vqmin=2:mbd=0:vpass=1 \
>    -oac copy
>
>This would mean that audio encoding takes about three times longer than
>video encoding.  I alway thought that encoding video is much more
>CPU-intensive than encoding audio.  How comes that audio encoding
>is such a CPU-hog?  How can I speed this up?
>
>  
>
Hello!
Try to encode some sound with lame standalone -
to see where is the BUG lies.
It might be problem of lame, not mencoder.

Phil