[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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