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Bug 403277

Summary: www-client/firefox 1080p html5 videos do not play smoothly
Product: Gentoo Linux Reporter: Sylvain BERTRAND <sylvain.bertrand>
Component: Current packagesAssignee: Gentoo X packagers <x11>
Status: RESOLVED UPSTREAM    
Severity: normal    
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
URL: http://www.youtube.com/watch?v=WGTBJHFNywI&feature=sh_e_top&list=SL
Whiteboard:
Package list:
Runtime testing required: ---
Attachments: emerge --info www-client/firefox
gfx_stack.sh

Description Sylvain BERTRAND 2012-02-12 13:22:02 UTC
Created attachment 301647 [details]
emerge --info www-client/firefox

Latest version of firefox is not able to play smoothly most HTML5 1080p videos, event in a small sized player. For the selected video, even 720p is not that smooth. In fullscreen, it is merely freezing all the time, it's unwatchable.
When downloaded with the proper extension, the selected video plays smoothly in mplayer, fullscreen. (I have a very recent gfx *-9999 stack for AMD GPUs)
Comment 1 Jory A. Pratt gentoo-dev 2012-02-12 20:57:56 UTC
I am unable to reproduce your results here. Time for you to provide much more info on which drivers you are actually using.
Comment 2 Sylvain BERTRAND 2012-02-12 23:08:56 UTC
Created attachment 301715 [details]
gfx_stack.sh

This describes my gfx stack. Directly from git (time is now).
Screen is 2500x1600. mplayer2 has no issue rendering the downloaded video fullscreen and smoothly.
Comment 3 Jory A. Pratt gentoo-dev 2012-02-13 01:14:15 UTC
If you need something from the mozilla team please cc us. I am unable to duplicate using official portage tree.