Bug 135298

Summary: [GTK] Extremely jerky HD video playback with webkitgtk2 2.4.4 and intel HD 3000
Product: WebKit Reporter: Luca Viggiani <lviggiani>
Component: WebKitGTKAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: bugs-noreply
Priority: P3    
Version: 528+ (Nightly build)   
Hardware: PC   
OS: Linux   
Attachments:
Description Flags
Test program none

Description Luca Viggiani 2014-07-25 11:39:53 PDT
Created attachment 235531 [details]
Test program

I'm on Arch Linux 64Bit and GNOME Shell 3.12.
Using Gnome Web (Epiphany) or by compilig the attached vala test program and opening youtube.com, If I try to playback any hd video either in windowed or full screen mode, playback is extremely jerky.
The same video plays smoothly on chrome or firefox.

That's the user agent:

Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/538.15 (KHTML, like Gecko) Version/8.0 Safari/538.15 Epiphany/3.12.1