[Bug 968647] Re: flash videos in browser appear with significant blue tint

[Jan Vlnas]

I guess that problem started for all of us with Flash Player 11.2 released on March 28 – indeed, release 11.1 (which can be downloaded at http://helpx.adobe.com/flash-player/kb/archived-flash-player-versions.html ) doesn't seem to have the problem with swapped U/V components.
Looking at release notes – http://helpx.adobe.com/flash-player/release-note/release-notes-flash-player-11_20120305.html – 11.2 introduced "Multi-threaded video decoding" which was "written ground-up". Maybe version 11.1 doesn't use VDPAU at all.

As I have written in #968489, there are many bug reports on Adobe's bugtracker – see https://bugs.launchpad.net/ubuntu/+source/unity/+bug/968489/comments/15
The most recent response from Adobe's staff from February – at https://bugbase.adobe.com/index.cfm?event=bug&id=3120888 – is: "[...] we do not support Linux anymore post 11.2". There you go, Adobe doesn't give a f***k and we can only wish for a quick and painful death of Flash plugin on the web.

So to sum it up I think we have currently these options:
- switch to older version of Flash Player – can't recommend since there are unfixed vulnerabilities; however 10.3 line seems to be still maintained
- uninstall libvdpau1 – not recommended since you can still use HW acceleration in desktop players like Totem and mplayer
- disable HW acceleration in Flash – the easiest way to go; however the settings window doesn't respond under Compiz so you'll have to switch to e.g. Unity 2D to untick that checkbox
- fix the problem at libvdpau level – there's somewhat hacky patch by Nvidia which swaps U/V planes at libvdpau level when the tracing is enabled: http://www.nvnews.net/vbulletin/showthread.php?p=2518770#post2518770 – so far this seems to be the only solution how to use the most recent version of Flash Player with hardware acceleration and correct colours
- use native HTML5 video on YouTube – just a quick fix for blue kittens: http://www.youtube.com/html5

I wonder if any other GPUs are affected too – Udovdh mentions ATI and
I've seen some reports with Intel GMA. To my knowledge, only Nvidia
supports VDPAU, Intel has VA-API and ATI has XvBA. It would be really
surprising if Flash could use all three of them – and not so much
surprising if all three options were broken.

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Title:
  flash videos in browser appear with significant blue tint

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