[MPlayer-users] Re: 1080i to 1080p mpeg2 or x264?
Steven Adeff
adeffs.mythtv at gmail.com
Tue Feb 28 02:22:00 CET 2006
On 2/27/06, Steven M. Schultz <sms at 2bsd.com> wrote:
>
> On Mon, 27 Feb 2006, RC wrote:
>
> > On Mon, 27 Feb 2006 16:45:42 -0500
> > "Steven Adeff" <adeffs.mythtv at gmail.com> wrote:
> >
> > > well I'm trying an mpeg2 encode from a 1080i ts, I don't know if it
> > > follows the HDTV "standards" for options, but I am noticing a blue bar
> > > along the top of the encode in some scenes. It seems to fade in and
> >
> > It's probably happening because 1080 isn't evenly divisible by 16. You
> > can use -vf expand=:1088
>
> If it's a valid 1080i MPEG file it will be 1920x1088 with the
> vertical display size set to 1080. If you're decoding a HDTV capture
> you'll want to decode and then crop to 1080 by dropping the last
> 8 lines.
>
> In a similar fashion if you're encoding to HD MPEG-2 you'll want to
> pad to 1088 and set the MPEG-2 vertical display option to 1080 so
> that players only display the first 1080 lines.
>
> Cheers,
> Steven Schultz
the source plays back as 1080, so I had to use expand, how do I set
the mpeg-2 vertical display option?
--
Steve
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