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Download Opera browser with:
While that extension works on most sites, it also is a bit weird it opens a new tab to some unrelated homepage when you install it and requires permission to view all data on all pages (can it see when i key in my credit card then?) - and on a few pages or iframes it simply doesn't work, for example gmail.
/Allan
- libffmpeg.so from the package http://packages.ubuntu.com/wily/amd64/chromium-codecs-ffmpeg-extra/download (overwriting libffmpeg.so.32 in /usr/lib/x86_64-linux-gnu/opera-beta/lib/)
Put it in /usr/lib/x86_64-linux-gnu/opera-beta/lib_extra instead (create the directory if it's not there). That way it won't get removed on updates. Opera will read lib_extra before reading lib.
Ah, excellent. (And I'm sorry I didn't read through the thread so you could avoid repeating yourself..) 
..In addition to previous post, following conditions are needed to trigger the issue:
Opera need to be positioned near the right edge of a monitor with high resolution (4K or QHD) with a low resolution secondary display (ordinary HD).
I tested two different systems, 4K and QHD: 3840 pixels wide and 2560 pixels wide both trigger it in a dual screen setup with a normal "HD/1920" secondary.
For the time being, on Debian testing, I am using:
Which seems to work for any html5 video at the moment.
Regards,
Allan
There is a regression in the just released Opera-beta 32.0.1948.12.
When I right click a tab within about 200 pixels from my right edge - of my left screen, the pop-up appear on the wrong monitor.
Same with mouse over.
DPI here is at 107.
The single ever Opera-beta version that just works is: 32.0.1948.4
Note: Dual screen and HiDPI never worked well for me in Chrome/Chromium - any version (including latest unstable) of these exhibit similar or worse behaviour unless DPI scaling is disabled.
Is there a way I can tell Youtube that I can't play H.264 (https://www.youtube.com/html5)?
This way it would fall back to playable formats instead of launching the flashplayer, and so I should be able to use a feature such as playback speed not supported in the flashplayer.
Chromium and thereby Opera impose on Linux, Windows-like compatibility with scrollbar "snap back" when moving the mouse away from the slider it will jump the page slider+content back to the drag origin.
Back when introduced in Chrome about may 2014, I tried getting used to this for at least one month without success, maybe part of the failure to adapt was my high DPI mouse - seemingly at random every single time I read a long page, the content would jump to the beginning of the page/slider origin forcing me to lose focus and push the cursor to the right before getting the content back.
I don't know how Windows users live with this - I think they may simply have given up using the mouse cursor for scrolling long pages.
So I go between Firefox (which slider behave like all the other native apps which is lovely) and Chromium+snapback_removal_patch when I feel Firefox is just too slow at loading sites..
I compile Chromium with a patch I found here: google product forums.
..Compiling Chromium every now and then is something I certainly could do without + seeing all the other fixes in Opera like how well it looks on my 4k monitor at work compared to Chromium - I thought - why not propose the patch to Opera team and hope in the future I can just go that way.
Though not by default, QT can do snapback if configured to use the Windows style, so for those who desire this - maybe let Opera follow this same configuration or use an option/env/flag?
You win the hearts of many Linux users by reverting or making configurable, this criticized "feature" which was decided upon seemingly solely by one Chromium dev.
Further background on the subject can be read in the same forum where I found the patch for Chromium.
Even more background near the end of this post: http://wildlava.tumblr.com/post/93132151021/google-chrome-now-imposes-windows-scrollbar .
/Allan