[MPlayer-users] PAL support

[D Richard Felker III]

On Fri, Feb 07, 2003 at 01:56:10PM +0100, Stefan Recksiegel wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi Ben,
> 
> > Sorry to bother you as this isn't really a bug, but the DVDs I have don't
> > seem to play properly in mplayer. I get weird sort of streaks when there
> 
> this is what is called a perfect bug report.
> 
> > is a lot of motion. I think this might be because mplayer only supports
> > NTSC decoding for TV related movies, and Australian DVDs are PAL. I don't
> > know exactly how PAL works, neither have I any clue as to how implement a
> > patch, but it might be a good idea to look into PAL support for
> > internationalisation.
> 
> Mplayer perfectly supports PAL, actually, mplayer does not care, because
> on the level of decoding and playing streams, the only difference between
> NTSC and PAL is the frame rate and the frame size, the main difference between
> PAL and NTSC is how the colour signal is modulated onto the carrier. By the
> way, most of Europe uses PAL, the rest using SECAM. NTSC is mainly used in the
> US and in Japan.
> 
> Your problem is called interlacing, try something like -vop lbb, look it up
> in the documentation under deinterlacing.

I think you meant -vop pp=lb. However, this is very bad if the
material is actually interlaced; you'll get ugly ghosts halfway
'between' frames when there's high motion. Instead you should use -vop
pp={md|fd|ci} (pick one of the three according to which looks best).

Rich