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? -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to libav in Ubuntu. 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1643467/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
