Bug 1038867

Summary: video at smaller that 1:1 size has scaling artifacts (colors are off, individual colors are clipping)
Product: Red Hat Enterprise Linux 8 Reporter: David Jaša <djasa>
Component: spice-qxl-xddmAssignee: Yvugenfi <yvugenfi>
Status: CLOSED NOTABUG QA Contact: Desktop QE <desktop-qa-list>
Severity: low Docs Contact:
Priority: unspecified    
Version: ---CC: cfergeau, dblechte, kmoizik, marcandre.lureau, rbalakri, yeylon
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2015-03-09 14:45:57 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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screenshot none

Description David Jaša 2013-12-06 01:13:44 UTC
Created attachment 833388 [details]
screenshot

Description of problem:
video at smaller that 1:1 size has scaling artifacts (colors are off, individual colors are clipping)

Version-Release number of selected component (if applicable):
qxl-win-0.1-19

How reproducible:
always

Steps to Reproduce:
1. play a video in Windows guest in e.g. VLC
2. resize VLC window (shrink window or set video size to 1:2)
3.

Actual results:
video colors get wrong (mainly around edges in the picture, see screenshot)

Expected results:
video looks normally

Additional info:

Comment 1 Marc-Andre Lureau 2014-03-04 18:37:50 UTC
[ hmm, that would be a good candidate for the qxl record tool :) ]

Comment 3 Kirill Moizik 2015-03-05 10:28:05 UTC
Similar to Bug 884753 bug reproduced on many platforms and configurations, particularly on VNC without QXL driver installed (standart VGA device) It seem like VLC bug, and it is definitely not qxl bug.