Hmmm, strange. The plugin appears in the plugin list indeed, but is
failing when trying to use it. The plugin is not copied into the user's
profile for me btw.
Would it be possible to verify that Mozilla's testing page
http://mozilla.github.io/webrtc-landing/pc_test.html is working for you?
For the plugin to actually being used "Require H.264 video" has to be
checked before clicking on "Start!". (The test requires a webcam, but as
the plugin only seems to be used for WebRTC video anyway I couldn't
think of any other way to test it.)
What I'm seeing is that video is only working when Firefox is allowed to
download the plugin itself or when not using H.264 at all.
Thanks a lot for all your help and sorry for all the trouble,
Ignaz
Am 08.06.2017 21:10, schrieb James Pearson:
Works for me ... just tried it with a new profile and Add-ons Manager lists it
as there and available
However, using about:plugins, and it lists it as being installed in the user
profile directory:
File: system-installed
Path:
/path/to/my/home/dir/.mozilla/firefox/profiledir/gmp-gmpopenh264/system-installed
Version: system-installed
State: Enabled
So I guess it gets copied in when you start Firefox ?
I did the above using the latest 52.2.0 release candidate for linux.x86_64
running on CentOS 7.3 downloaded from:
http://archive.mozilla.org/pub/firefox/candidates/52.2.0esr-candidates/build1/linux-x86_64/
My central autoconf cfg file has:
pref("media.gmp-gmpopenh264.autoupdate", false);
pref("media.gmp-gmpopenh264.enabled", true);
defaultPref("media.gmp-gmpopenh264.version", "system-installed");
James Pearson
________________________________________
From: Ignaz Forster [[email protected]]
Sent: 08 June 2017 19:02
To: [email protected]; James Pearson
Subject: Re: [Mozilla Enterprise] automating first-run tasks (changing
application handlers, preinstalled plugins)
Am 12.05.2017 20:49, schrieb James Pearson:
Extract the contents and put them in a folder under your Firefox install
location:
browser/plugins/gmp-gmpopenh264/system-installed/
This solution seems very promising, but unfortunately I wasn't able to
get it to work. Are you sure the directory is working for you without
any further changes?
I'll have a more detailled look at it tomorrow, but at least my first
impression from looking at
https://github.com/mozilla/gecko-dev/blob/esr52/toolkit/mozapps/extensions/internal/GMPProvider.jsm#L152
is that GMP plugins other than "gmp-clearkey" will only be found in the
user profile. strace also seems to confirm this, as I can see no file
access to the .so files (or even the "system-installed" directory) there...
Maybe an interesting question in this regard: Are you using a
custom-built, Mozilla's or the distribution's Firefox packages? And in
the last case: Which Linux distribution are you using?
Thanks a lot,
--
Ignaz Forster
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