[MPlayer-users] determining framerate from asf files

gabor farkas gabor at realtime.sk
Thu Jul 25 16:22:02 CEST 2002

so i f you want to get the most from the asf file,

play with -ofps until mencoder doesn't skip any frames.


p.s: but i have converted some asfs to avis with moderate results...
they are good-enough, but not perfect

On Thu, Jul 25, 2002 at 03:57:57PM +0200, Arpi wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi,
> > Does anyone have any clues on how I could determine what the framerate is for 
> > an asf file?
> asf files ha sno framerate - simple, eh? :)
> they are variable rate, each frame has a time duration value atatched.
> i've files with really long (5-15 seconds) long frames but i've seen >50fps
> ones too.
> the only way is converting .asf to .avi with mencoder, using a fixed fps
> (select by trial) with -ofps, and then convert that .avi with mencvcd.
> mencoder will drop/duplicate frames to reach the wanted fix fps.
> use raw video and copy audio codecs with mencoder to maintain quality
> A'rpi / Astral & ESP-team
> --
> Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu
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