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Message #05170
[Bug 1643467] Re: Firefox 50 blocks Ubuntu 12.04 and 14.04 LTS's version of libavcodec
I found ( http://askubuntu.com/a/856322/66509 ) PPA with newer libav
(version 11.2-1ppa1) for Precise:
sudo add-apt-repository ppa:itachi-san/ffmpeg
sudo apt-get update
sudo apt-get install libav-tools libavcodec56
Is it possible to make SRU and include it to Precise main repository?
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https://bugs.launchpad.net/bugs/1643467
Title:
Firefox 50 blocks Ubuntu 12.04 and 14.04 LTS's version of libavcodec
Status in firefox package in Ubuntu:
Confirmed
Status in libav package in Ubuntu:
Triaged
Bug description:
Whenever it tries to play a video, Firefox 50 displays this message at the top of every page:
"libavcodec may be vulnerable or is not supported, and should be updated to play video"
https://dxr.mozilla.org/mozilla-central/source/browser/locales/en-
US/chrome/browser/browser.properties?q=%22libavcodec+may+be+vulnerable%22&redirect_type=single#742
Firefox refuses any libavcodec version prior to 54.35.1 (unless
media.libavcodec.allow-obsolete==true).
https://dxr.mozilla.org/mozilla-
central/source/dom/media/platforms/ffmpeg/FFmpegLibWrapper.cpp#60
Users should not be subjected to this warning, as it is vague (does not instruct them how to fix it).
Ubuntu 14.04 LTS should ship with an updated version of libavcodec.
DistroRelease: Ubuntu 14.04
Package: firefox 50.0+build2-0ubuntu0.14.04.2
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References