Bug#769716: iceweasel: OpenH264 back in 37, breaks H.264 playback

[Mike Hommey]

On Thu, Apr 02, 2015 at 10:50:42AM -0500, Jonathan Lane wrote:
> Package: iceweasel
> Followup-For: Bug #769716
> 
> Dear Maintainer,
> 
> The OpenH264 download by default is once again in Iceweasel 37, and actively 
> breaks H.264 playback support on Debian Jessie, which works with Iceweasel 
> 31esr and GStreamer.  This is also the case with upstream builds of FF38.0a2.  
> I have filed a bug with Mozilla here:
> 
> https://bugzilla.mozilla.org/show_bug.cgi?id=1150544

As far as I can tell, the only thing that's really happening is that
about:addons tells that openh264 is going to be downloaded, but that
doesn't happen. However, if it /had/ been downloaded in the past, with
the previous builds that did download it by default, it might be
possible it's being used in that case. The pref to disable appears to
have changed, so the change I did in version 34 doesn't work anymore.

If you manually remove the gmp-gmpopenh264 directory somewhere in
$HOME/.mozilla, it should get back to normal for you.

With that being said, either with openh264 or without, iceweasel 37
plays h264 just fine here (and strangely doesn't even use openh264 when
i do enable it).

Mike