Re: how to apply video-filters with mpegpes output

Am Freitag, 7. April 2006 15:00 schrieb luukes:
> Am Freitag, 7. April 2006 14:35 schrieb Nico Sabbi:
> > luukes wrote:
> > > hi
> > >
> > > thanks for your answer.
> > >
> > > my problem is not the scaling - that was just an -vf example. most of
> > > the video-filters lead to a stuttering playback over my DVB-card while
> > > the playback on X is fine.
> > >
> > > if i play my video without any video-filters, the playback is perfect.
> > > mplayer -ao mpegpes -vo mpegpes myvideo.mpg
> > >
> > > so my question is - how to apply video-filters that i still get a
> > > smooth playback?
> > > mplayer -ao mpegpes -vo mpegpes -vf <filter> myvideo.mpg
> > >
> > > in my specific case i want to do some overlay with bmovl.
> > >
> > > all hints are welcome.
> > > luk
> >
> > when you apply filters you have to decode+filter+re-encode to mpeg2,
> > so if your computer isn't fast enough you will notice slowdowns
>
> hi nico and juri!
>
> i'm aware of the reencoding but i thought that should not be a
> problem with a brand-new P4 2,8Ghz. 'top' tells me that mplayer
> consumes 15 to 20% CPU-time - the CPU is 80% idle most of the
> time.
> at first i thought the bmovl-filter causes the slowdown, but
> it doen't matter which filter i use.
>
> i attached some verbose output (MPEG2 PAL video) that shows that mplayer
> tries to arrange a working filter-chain. from the output it seems that
> the filter should not work, but i see the overlay from bmovl.
>
> thanks
> lukas

hello

i've tried now many different filter-chains with always the same result
- heavy stuttering playback.

anyone an idea what the problem with the filters could be?

thanks
luk