1371183 - All Videos are lagging/stuttering in Fullscreen, including Youtube, Netflix etc.

Status: RESOLVED INVALID

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

Description

[Smolord]

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:54.0) Gecko/20100101 Firefox/54.0
Build ID: 20170605125726

Steps to reproduce:

Trying to watch Videos in Fullscreen on different Websites.
Including Youtube, Netflix, Amazon Video, ZDF Mediathek, Arte Mediathek and many more.
I tried all possible Resolutions, from 140p to 8k60fps.
Hardware acceleration was turned on and off.
Used Firefox Dev Edition 54.0b14 64bit and 32bit edition on the same System
Using AMD Driver Version 17.5.2 
Everything worked before even 8k playback in Fullscreen.
I reinstalled all Screen related drivers, i reinstalled Firefox using it with and without AddOns.


Actual results:

All Fullscreen video content that worked all time is now stuttering/lagging, no matter if really low or very high resolution. 
Like i said, its just Fullscreen.
I can play up to 4 FullHD Videos in different Firefox Windows without any Problems.



Expected results:

Working Fullscreen Video.

Comment 1

[Jean-Yves Avenard [:jya]]

please provide a copy of about:support report.

thank you

Comment 2

[Smolord]

(In reply to Jean-Yves Avenard [:jya] from comment #1)
> please provide a copy of about:support report.
> 
> thank you

Hi, thanks for your reply.

Which part do i have to copy, because some parts of about:support contain private informations about my file-structure or better to say, login names on my Computer. The Informations are related to my printers so i guess they are not nessesary for you.

Sorry for the uncomplete bug information,english is not my native language and i never posted a bug on mozilla before.

Comment 3

[Jean-Yves Avenard [:jya]]

There's a button to copy the useful information to the clipboard, you can edit out whatever gives you concern...

Comment 4

[Smolord]

everything copied from about:support, deleted those parts containing informations about my filestructure (just printer related stuff)... hope i did it correct this time, and sorry again for the missing informations




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Comment 5

[Smolord]

Hey there,

after a complete crash of firefox, without any reproducible reason, yesterday it works again. I really dont know how and what happened. NO lagging/stuttering anymore... 

So i guess my problem wasnt a real bug.

Sorry if i did add something wrong.