[Bug 72087] Black levels incorrect during video playback at first

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72087

--- Comment #7 from Andy Furniss <adf.lists at gmail.com> ---
(In reply to comment #5)
> Today I tested out by removing the HDMI Detective between the bedroom HTPC
> and the LG 32" LCD TV. My dithering xrandr option is still enabled and the
> XBMC 16-235 levels are still configured. I tested a few videos and still was
> able to notice the "grey to normal" transition for the first few seconds of
> the video playback start. So now I have a STRAIGHT HDMI connection to the TV
> and still experiencing the same issues. Thoughts?

I would try the direct connection without the dithering or 16-235 xbox setting
to see if you still have the dark issue, and if not maybe the level issue will
be gone also.

I would also try with another player like mplayer.

Do you have issues with this mpeg2 full range ramp?

I would try with current set up and normal settings/different player etc.

http://www.w6rz.net/ramp.zip

Of course normally (= player stretching 16-235 to full) the end 2 blocks will
be the same, if xbmc is managing to use full range then they won't be.

What you see will also depend to some extent on the levels
(brightness/contrast) set on the TV.

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