[MPlayer-users] File plays faster without audio

Lethal Weapon lethalwp at linuxbe.org
Thu Jun 13 15:46:02 CEST 2002


On Thu, 2002-06-13 at 14:22, Samuli Kärkkäinen wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> I have encoded a DVD title to mpeg4 using command line
> 
> mencoder -dvd 1 -aid 128 -oac copy -vop scale=854:480 -sws 2 -lavcopts vcodec=mpeg4:vbitrate=2500:vhq:vb_strategy=1:vpass=1 -o LittleWomen.avi
> 
> When I play it without sound (mplayer -ao null) it plays slower (as in
> "the movie progresses slower", not as in "it takes more CPU") than when
> I play it normally with sound. The difference is about 1 second per
> minute. Is this a feature or a bug? If it's a bug, I'll be glad to
> provide more info.
slower? in the subject you're saying faster

if it is faster without audio, maybe it's because your soundcard doesn't
support 48000Hz, and so you're playing at 44,1KHz, converted with the
speed-loss

I think this one is a weird behaviour of mplayer, but since there's an
option to correct it... Let's try it:

mplayer -aop list=resample:fout=44100 yourmovie.avi


Greetz,
     Ltwp




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