[MPlayer-users] performance isue?

[Magnus Damm]

> Repeat after me: halfpack is NOT a deinterlacer! 

halfpack is NOT a deinterlacer!
Gotcha. =)

/ magnus

On Wed, 29 Oct 2003 19:50:38 -0500
D Richard Felker III <dalias at aerifal.cx> wrote:

> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> On Wed, Oct 29, 2003 at 08:44:12PM +0100, Magnus Damm wrote:
> > [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> > It sounds like you experience problems with interlaced video.
> > I get the same problem when watching various DVD:s on a 450 Mhz
> > powerpc machine. Try using a filter, I use "-af halfpack" but 
> 
> Repeat after me: halfpack is NOT a deinterlacer! In fact for real
> interlaced video it will make the picture worse. The only time it
> serves as a deinterlacer is with bttv's buggy fake yv12 output, and
> even then it's not quite right.
> 
> > there are probably better alternatives if you have enough cpu.
> > Or you can try to find the reason behind the bad performance...
> 
> If you want cheap deinterlacing, -vf field=0 is much faster and
> actually correct.
> 
> But I'm not sure the problem is interlacing. IMO it's more likely to
> be tearing that Tom is describing. But without a proper bugreport
> (showing which vo he's using, etc.) it's hard to say.
> 
> Rich
> 
> 
> > 
> > / magnus
> > 
> > On Wed, 29 Oct 2003 20:13:35 +0100
> > MPlayer Mailinglist <mplayer-mlist at tomdp.com> wrote:
> > 
> > > [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> > > Hi!
> > > 
> > > I'm running MPlayer 1.0pre2-3.2.2 without any problem, everything works 
> > > how it should work. But I do have what I think is a performance isue... 
> > > In scenes with 'big' moves (like for example panoramic views... I can't 
> > > really explain..), I get horizontal lines on the screen, and it looks 
> > > like the upper half of the screen is out of sync with the lower half so 
> > > to speak. Are there some things I can do to avoid this?  The pc is a 
> > > pentium 4 1.7Mhz, kernel 2.4.22 with a nvidia geforce card with the 
> > > latest drivers installed. I should not be having this kind of 
> > > performance problems on a system like this, right?
> > > 
> > > I know this is hard to explain, but I hope you all understand :)  
> > > English is not my native language so I tried to explain the best I can..
> > > 
> > > 
> > > Tom.
> > > 
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> > 
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