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Bug 742110 - video: Add support for BT2020 colorspace (UHD)
video: Add support for BT2020 colorspace (UHD)
Status: RESOLVED FIXED
Product: GStreamer
Classification: Platform
Component: gst-plugins-base
unspecified
Other Linux
: Normal enhancement
: 1.5.1
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2014-12-30 09:52 UTC by Sebastian Dröge (slomo)
Modified: 2015-01-08 09:47 UTC
See Also:
GNOME target: ---
GNOME version: ---

Attachments
0001-video-Add-support-for-BT2020-colorspace-UHD.patch (7.40 KB, patch)
2014-12-30 09:53 UTC, Sebastian Dröge (slomo) 		committed Details | Review

Description Sebastian Dröge (slomo) 2014-12-30 09:52:51 UTC 
Spec can be read here: http://www.itu.int/rec/R-REC-BT.2020-1-201406-I/en

Attached patch adds all the relevant values, the only thing that is a bit problematic is that there is a new gamma curve but only for 12 bit. Does it matter?

Also we assume now that >=2160 height uses the BT2020 colorspace instead of BT709.
Comment 1 Sebastian Dröge (slomo) 2014-12-30 09:53:41 UTC 
Created attachment 293468 [details] [review]
0001-video-Add-support-for-BT2020-colorspace-UHD.patch
Comment 2 Sebastian Dröge (slomo) 2014-12-30 09:55:26 UTC 
We should probably also add this to videotestsrc, but I'm not sure from where to get the color values. Just calculate them?
Comment 3 Sebastian Dröge (slomo) 2015-01-08 09:47:31 UTC 
commit 7a353217105bebf76540cdfa0d5323118b217c5a
Author: Sebastian Dröge <sebastian@centricular.com>
Date:   Thu Jan 8 10:45:46 2015 +0100

    video: Add support for BT2020 colorspace (UHD)