[MEncoder-users] Green boxes on non-computer DVD player

[Michael Niedermayer]

Hi

On Thu, Nov 09, 2006 at 12:46:28PM +0100, Nico Sabbi wrote:
> Eli Billauer wrote:
> 
> >Hello,
> >
> >I'm using mencoder to author an MPEG2 DVD (together with dvdauthor). 
> >Playing the DVD disc on a Hitachi DVD/Video player, I get groups of 
> >scattered green boxes in sporadic flashes, in particular when the 
> >scene shifts quickly (when the frame changes completely, and also when 
> >small regions change). This artifact tends to happen more in the 
> >bottom half of the viewed frame. On a normal movie, this happens every 
> >30 seconds or so. Mplayer plays the same MPEG stream perfectly.
> >
> >Other than this, a complete 90-minutes movies plays perfectly both 
> >with mplayer and the Hitachi machine.
> >
> >The green box patterns are exactly repeatable between two discs burned 
> >from the same ISO image (same patterns on the same frames).
> >
> 
> /me too on a particular player I happened to test, although I found 
> neither the cause nor the solution.
> I would describe the problem as "green horizontal sequences of 
> macroblocks", especially
> in the right portion of the image.
> It seems to me that either the dvd reader has a buggy decoder (not to be 
> excluded)
> or there's some strange uncompliance in lavc's encoder.

does it work with vstrict >= 0 ? (this is absolutely required anyway for anything
standards compliant)
does it work with the lavf muxer?
does it work with ffmpeg?

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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