[mythtv] Internal scaler in 0.21-fixes
Willy Boyd
willyboyd at gmail.com
Wed Mar 26 21:45:32 UTC 2008
On Wed, Mar 26, 2008 at 11:20 AM, Markus Schulz <msc at antzsystem.de> wrote:
> Am Mittwoch, 26. März 2008 16:45 schrieb Chris White:
>
> > Someone else posted about this on the users list, but I thought I'd
> > mention it here too. I (and others) are seeing what looks like half-
> > resolution playback (jagged diagonal lines, looks like half a field
> > is thrown away) in 0.21-fixes using the internal player. This happens
> > on TV playback and DVD's and in my case appears even if the source
> > material is progressive. Xine playback on DVD's doesn't exhibit the
> > problem, so it's not a driver or display issue. I have also forced
> > the internal player to progressive in case it was a detection
> > problem. I've tried all the different blitters (opengl, xv) and most
> > of the deinterlacers and it doesn't seem to make a difference. GUI
> > and TV playback size are all native resolution of the display.
> >
> > Anyone have any notion what might be going on? I did NOT see this
> > behavior on trunk about 2-3 weeks ago.
>
> You are using yadif or greedyh deinterlacers.
> With these both it's currently not possible to view progressive material
> (each frame will be deinterlaced).
>
> See #4513 and my remarks for details and my patch which solves this
> (don't know if this still can be applied for 0.21-fixes branch).
>
> --
> Markus Schulz
>
FWIW, the patch applied cleanly to 0.21-fixes, revision 16807 (just
did an svn up). Currently compiling and I'll be trying to fix out at
home tonight. I watched I Am Legend this past weekend and it was
heavy on the jaggies.
- Willy
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