[mythtv] NVidia Pixellation

David Engel david at istwok.net
Fri Aug 31 21:19:16 UTC 2018

On Fri, Aug 31, 2018 at 06:34:34PM +0000, Gary Buhrmaster wrote:
> On Fri, Aug 31, 2018 at 5:54 PM Peter Bennett <pb.mythtv at gmail.com> wrote:
> >
> >
> >
> > On 08/31/2018 01:43 PM, Aman Gupta wrote:
> >
> > I didn't get a clear answer: "has to do with motion vectors going outside of some normal limit"

Thanks.  I'll guess I'll have to go with that.

> > I imagine that if the transmitter changed it, that may result in a reduction in quality, especially since they are working with less bandwidth these days. That would mean reducing the quality for everybody to satisfy a few NVidia users.
> Actually, they way I read it, there are a couple of possible
> interpretations.  The first is that the encoding is configured
> out of spec (that would be a station encoder setting or
> firmware issue, which may be able to be adjusted/corrected),
> and he other is that the nvidia VPU is not capable of meeting
> the spec (that would be an nvidia issue to fix, if it can be
> fixed at all).

Right.  If it's the former, I would have liked to be able to tell
specifically what they're doing wrong.


> Unfortunately, the answer does not make it at all clear,
> or what next steps are appropriate (other than trying to
> get clarity regarding the intent of the response regarding
> standards compliance).
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David Engel
david at istwok.net

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