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Stefan_S_2
Beginner
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Video color deviation with HD630 driver 15.65.4.4944 (Feb. 2018)

We observe a color deviation in video rendering when using the HD630 driver from february 2018.
HD YUV material is wrongly displayed by EVR renderer (DirectShow) .
The attached picture shows the (brightened) color difference to the respective RGB24 rendering.
With older HD 630 drivers (Dec 2017 and before) this problem was not present.
We suspect that this issue is related to HDR / 10 bit / BT.2020 optimization of the driver.

System Information
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Operating System: Windows 10 Pro 64-bit (10.0, Build 16299) (16299.rs3_release.170928-1534)
Language: English (Regional Setting: English)
System Manufacturer: Wortmann_AG
System Model: 1009614;1470073
BIOS: 3604
Processor: Intel(R) Core(TM) i5-7500 CPU @ 3.40GHz (4 CPUs), ~3.4GHz
Memory: 16384MB RAM
Available OS Memory: 16258MB RAM
Page File: 2073MB used, 17129MB available

Steps to Reproduce:
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1. install HD 630 driver from Feb. 2018
2. disable Intel Contrast Enhancement
3. render a video with color test material in YUV with EVR / Directshow
4. compare result to previous HD630 driver versions under same conditions

Actual Results:
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color deviation, see attachment, possibly BT.709 vs. BT.2020 issue

Solution:
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install HD 630 driver Dec. 2017 or earlier
 

 



 

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