[Mplayer-dvb] replay on DVB stammers

[René Bartsch]

Hi,

just thought about it:

when libavcodec encodes to MPEG, it will need much CPU load calculating the P-frames. What about patching it to encode only
I-frames?

Rene

----- Original Message -----
From: "Arpi" <arpi at thot.banki.hu>
To: <mplayer-dvb at mplayer.dev.hu>
Sent: Thursday, January 31, 2002 1:42 AM
Subject: Re: Re: [Mplayer-dvb] replay on DVB stammers


> Hi,
>
> > I am testing this as well. Problem seems to be the CPU load. Try
> > additional parameter x=320. This works for my Celeron900, but the
> > picture quality is not good.
> cel 900 should be enough...
> anyway i can't test, as i have p4 1.8g currently, but i've <40% cpu load
> at dvd sized fullscreen playback.
>
> > In the meantime, i think about offline conversion to mpegpes, and then
> > playing this with mplayer. With 0.60, A/V is out of sync otherwise fine.
> forget 0.60 for DVB, it has old unfinished code...
> i've worked a lot on dvb support at january, _after_ 0.60 has been released.
> it's in cvs only.
>
> > Using the latest CVS MPlayer-20020130 with very recent libavcodec and
> how recent? the mpeg encoder of ffmpeg is under optimization nowdays, to keep
> always uptodate cvs of it to get best quality+performance.
>
> > the commandlines (mplayer-convert is mplayer with --disable-dvb to
> > generate a mpg file)
> >
> > (cd /video/MPLAYER; mplayer-convert  -y 576 -vo mpegpes -ao mpegpes
> > -cache 4096 -vc ffdivx *.avi)
> >
> > and then
> >
> > mplayer -v -ao mpegpes -vo mpegpes -vc mpegpes /video/MPLAYER/grab.mpg
> >
> > I get all over
> >   {PTS_err:1}
> >   {PTS_err:1}
> >   {PTS_err:1}  .7 A-V: 77.953 ct:  2.452  614/614   4% 86%  0.0% 0 0 0%
> >
> > and no sound anymore.
>
> hmm. i'll test this.
> it shouldn't happen anyway...
>
> did you tried without -cache ?
> -cache is a bit tricky code because of the fork(), and it may cause unwanted
> trouble at various places... :(
>
>
> A'rpi / Astral & ESP-team
>
> --
> mailto:arpi at thot.banki.hu
> http://esp-team.scene.hu
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