Firefox 50 and libavcodec

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labbe5
Posts: 2159
Joined: Wed 13 Nov 2013, 14:26
Location: Canada

Firefox 50 and libavcodec

#1 Post by labbe5 »

For users of Firefox 50, there is a bug when you try to see flash videos on some websites.

Firefox compains that you need to upgrade libavcodec.

You need to open the about:config, then you type in libavcodec.

media.libavcodec.allow-obsolete;true : This is the way it should be. By default, now it is false.

This is the simplest way to have flash playing in Firefox 50.

Instead of adobe-flashplayer, you can install mozilla-plugin-gnash. It will be as good as adobe-flashplayer, but gnash is open source.

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rockedge
Posts: 1864
Joined: Wed 11 Apr 2012, 13:32
Location: Connecticut, United States
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#2 Post by rockedge »

@labbe5 Nice tip! Totally easy...
For tahr 6.0.5 I ended up updating libavcodec to libavcodec56_11.3-1 via the PPM by modifying the /root/.packges/DISTRO_COMPAT_REPOS file to this:

Code: Select all

#where to get pkg docs, format: domain|uri|localfilename...
PKG_DOCS_DISTRO_COMPAT="archive.ubuntu.com|http://archive.ubuntu.com/ubuntu/dists/${DISTRO_COMPAT_VERSION}/main/binary-i386/Packages.bz2|Packages-${DISTRO_BINARY_COMPAT}-${DISTRO_COMPAT_VERSION}-main archive.ubuntu.com|http://archive.ubuntu.com/ubuntu/dists/${DISTRO_COMPAT_VERSION}/universe/binary-i386/Packages.bz2|Packages-${DISTRO_BINARY_COMPAT}-${DISTRO_COMPAT_VERSION}-universe archive.ubuntu.com|http://archive.ubuntu.com/ubuntu/dists/${DISTRO_COMPAT_VERSION}/multiverse/binary-i386/Packages.bz2|Packages-${DISTRO_BINARY_COMPAT}-${DISTRO_COMPAT_VERSION}-multiverse
ppa.launchpad.net|http://ppa.launchpad.net/heyarje/libav-11/ubuntu/dists/trusty/main/binary-i386/Packages.bz2|Packages-libavcodec|Packages-${DISTRO_BINARY_COMPAT}-${DISTRO_COMPAT_VERSION}-*"
#ubuntu repos...
#note, the local pkgs database file (or partname) is also appended to these entries, so know which url to download a particular pkg from (glob wildcard allowed)...
REPOS_DISTRO_COMPAT="ftp.filearena.net|http://ftp.filearena.net/pub/ubuntu|Packages-${DISTRO_BINARY_COMPAT}-${DISTRO_COMPAT_VERSION}-* mirror.anl.gov|http://mirror.anl.gov/pub/ubuntu|Packages-${DISTRO_BINARY_COMPAT}-${DISTRO_COMPAT_VERSION}-* mirrors.kernel.org|http://mirrors.kernel.org/ubuntu|Packages-${DISTRO_BINARY_COMPAT}-${DISTRO_COMPAT_VERSION}-* archive.ubuntu.com|http://archive.ubuntu.com/ubuntu|Packages-${DISTRO_BINARY_COMPAT}-${DISTRO_COMPAT_VERSION}-*
ppa.launchpad.net|http://ppa.launchpad.net/heyarje/libav-11/ubuntu/|Packages-libavcodec|Packages-${DISTRO_BINARY_COMPAT}-${DISTRO_COMPAT_VERSION}-*"
Run the Puppy Package Manager and update the repos. I have recently updated the repos so I SKIP all of them EXCEPT the new entry for libavcodec. Then using the search bar locate libavcodec, select the correct one and install. Then restart firefox.
this method worked for me. I think you could track down the .debs for Ubuntu and go that route as well.

Defourne
Posts: 1
Joined: Thu 01 Dec 2016, 21:03

#3 Post by Defourne »

yes, that's true. I seen that bug myself too and it already gave me headache (no, seriously, I even had to take acetaminophen) trying to understand how to get rid of it.

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