[mythtv-users] CBS/NBC 1080i and telecine
Andrew Gallatin
gallatin at cs.duke.edu
Thu Jul 16 18:36:00 UTC 2009
Yeechang Lee [ylee at pobox.com] wrote:
> Andrew Gallatin <gallatin at cs.duke.edu> says:
> > One of the things that drove me nuts about MythTV when I used it (in
> > the 0.19 days) was my CBS (and now NBC) stations' handling of
> > interlacing.
>
> Since you are willing to patch/compile,
> <URL:http://www.gossamer-threads.com/lists/mythtv/users/376812#376812>,
> then
> <URL:http://www.gossamer-threads.com/lists/mythtv/users/376922#376922>
>
> > 2) If I were to get an Ion, I'd want to use VDPAU. Will the
> > deinterlacing be done entirely in hardware, insulating me from
> > this issue, or will it still happen? I can't (easily) see for myself,
> > as I don't currently have an Nvidia card which supports VDPAU.
>
> This issue exists regardless of VDPAU. Deinterlacing isn't the issue,
> per se, but as you noted the constant flipping back and forth between
> (what mythfrontend thinks is) interlaced and progressive content.
>
So VDPAU handles all display, and MythTV passes the Mpeg stream
essentially unmolested. Is that correct? Then, when using VDPAU (and
not getting interlacing enable/disable state wrong) MythTV should have
comparable performance to a hardware based solution (eg, Sigma based
NMT). Is that correct?
Thanks,
Drew
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