1493111 - Play/Pause animation on youtube is shaking

Status: RESOLVED WORKSFORME

(Core :: Graphics: WebRender, defect, P4)

Description

[Brindusa Tot, Desktop QA]

Attachment: 2018-09-21_12h07_42.mp4

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0
Build ID:  20180919123806

[Affected versions]:
Nightly 64.0a1 (2018-09-19) (64-bit)
GPU NVIDIA GeForce 210

[Affected platforms]:
Windows 10 x64

[Steps to reproduce]:
1. Launch Firefox with a new profile
2. Type about:config
3. Set gfx.webrender.all.qualified =  true
4. Navigate to youtube and play a video
5. Click multiple times on the video to play and pause. Observe the play/pause animation.

[Expected results]:
The video should play/pause correctly and the animation is displayed correctly.

[Actual results]:
The video is played/paused correctly, but the play/pause animation is shaking.

Note:
The bug is reproducible also on a Windows 10 with Nvidia GeForce GT 1030, but less visible.

Comment 1

[Darkspirit]

I haven't been able to reproduce this. (Please try https://obsproject.com/ for less Screenpresso ads.)

Comment 2

[Maire Reavy [:mreavy]]

If you can repro, please reopen.  Whatever problem you saw, I don't think it was specific to WR.

Comment 3

[Chris Pearce [:cpearce (Not reading bugmail)]]

(In reply to Jan Andre Ikenmeyer [:darkspirit] from comment #1)
> I haven't been able to reproduce this. (Please try https://obsproject.com/
> for less Screenpresso ads.)

There's a screen recorder built into Win10; press Win+G to access it. You may have to tell Windows that Firefox is a game. The NVIDIA "Game Ready" driver also ships with a screen recorder.