Commen=
t # 14
on bug 83226<=
/a>
from Andy Furniss
(In reply to Peter Fr=C3=BChberger from comment #11)
> @AndyFurniss: Use some test patterns, like:
> https://dl.dropboxusercontent.com/u/55728161/fullrgb-video.mp4 or
> https://dl.dropboxusercontent.com/u/55728161/graustufen-r=
gb-0-bis-10_172435.
> png or https://dl.dropboxusercontent.com/u/55728161/fullrgb_test.jpg
Thanks, it's always nice to have more tests - I was already using ones I got
via you(r forum) + the original W6RZ with player set to not stretch.
I have wondered in the past why anyone needs limited range from an HTPC POV=
. I
am sure there must be a reason, but as it seems that intel (from memory - w=
as
really testing something else) and now AMD are scaling I can't think why, g=
iven
the specs don't really seem to require a scale.
It seems with a 2010 Panasonic plasma I am not going to be able to test ful=
ly
as it looks like it doesn't advertise the right things (If the function
actually got called I would have forced it to see). I guess the tv thinks i=
t's
getting limited anyway (but still displays 0-255). Added complication being=
it
has many modes and lots of settings within each, so maybe in eg. game it
expects different from others.
I usually run it in thx and it looks good for real vid, but not so good for=
a
ramp - game is better for a ramp - I can tell that tvrgb scales using that.
>>From previous testing I know that it subsamples every mode to 422 yuv.
I wonder if TVs that do accept the full/limited info frame tweak their faux
EOTF gamma curves or something.
Whatever, for me it seems using passthrough will be best - if I use limited=
I
would have to stretch the vid to 0-255 then it would get scaled back and I
would have to set TV by eye - I guess I could avoid yuv - rgb stretch and s=
etup
round that but it still gets scaled.
Using passthrough I can stretch/not stretch as I wish and with the latter I
don't get any scale - I can set black level in TV so 16 is "right"=
; and get to
see highlights in the vid rather than have them clipped/scaled.