On 1 September 2017 at 13:45, Nicolas Dechesne <nicolas.deche...@linaro.org> wrote:
> +++ b/meta/recipes-multimedia/gstreamer/gstreamer1.0- > plugins-good/0001-v4l2-Fix-4K-colorimetry.patch > @@ -0,0 +1,47 @@ > +From 545646cccba243236e10362fe7325f89be57da1f Mon Sep 17 00:00:00 2001 > +From: Nicolas Dufresne <nicolas.dufre...@collabora.com> > +Date: Tue, 18 Jul 2017 11:28:37 -0400 > +Subject: [PATCH] v4l2: Fix 4K colorimetry > + > +Since 1.6, the transfer function for BT2020 has been changed from BT709 > +to BT2020_12. It's the same function, but with more precision. As a side > +effect, the V4L2 colorpsace didn't match GStreamer colorspace. When > +GStreamer ended up making a guess, it would not match anything supported > +by V4L2 anymore. This this by using BT2020_12 for BT2020 colorspace and > +BT2020 transfer function in replacement of BT709 whenever a 4K > +resolution is detected. > + > +Upstream-Status: Backport > This needs your s-o-b. Ross
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