1417252 - Videos show in distorted colors (e.g. Youtube)

Status: RESOLVED DUPLICATE of bug 1417442

(Core :: Audio/Video: Playback, defect)

Description

[Dan Wolff]

Attachment: Youtube video displaying the issue

OS: Windows 8.1
Firefox versions tested:
- 59.0a1 (2017-11-14), 64bit
- 57.0, 64bit

Steps to reproduce:
- View a video (tested on youtube.com, vimeo.com, imgur.com, bbc.com)

Actual results:
- Distortions seeming to separate magenta and green (see screenshot)

Expected results:
- Normal colors


Other investigation:
- Restarting in safe mode *DOES* fix the problem
- The Firefox screenshot feature *DOES* show normal colors
- Using a clean profile does *NOT* change the results
- Disabling plugins Cisco OpenH264 and Widevine does *NOT* change the results

Comment 1

[Dan Wolff]

Attachment: about-support.json

Comment 2

[Kohei Yoshino [:kohei]]

Please make sure you have the latest graphics driver: https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

Comment 4

[Jean-Yves Avenard [:jya]]

Can you try setting media.wmf.use-nv12-format to false and see if that fixes the issue?

thank you

Comment 5

[Dan Wolff]

Setting "media.windows-media-foundation.use-nv12-format" to false fixes the issue.

It has also been fixed in the latest nightly.