Firefox on XO

Adam Holt holt at laptop.org
Sat Jan 7 10:45:01 EST 2017 

Thanks much Terry -

FireFox 50 will add its own eccentricities inevitably, but many deployments
would prefer that over Epiphany and FF25/26 (if folks are miraculously able
to get FF50 to a semi-stable state of known workarounds?)


On Fri, Jan 6, 2017 at 11:12 PM, T Gillett <tgillett at gmail.com> wrote:

> A little more on this...
>
> I looked at some HTML5 audio and video tutorial sites as below, and found
> that the demonstrations on these sites *all work* just fine with sound in
> Firefox Ver 26 as installed from the repo ($ sudo yum update; sudo yum
> install -y firefox)
>
> Demo Sites - working sound
>
>     www.w3schools.com/html/html5_audio.asp
>
>     www.w3schools.com/html/html5_video.asp
>
>      butlerccwebdev.net/support/html5-video/audio-demo.html
>
>      www.html5rocks.com/en/tutorials/webaudio/intro
>
> Also the YouTube sites work OK with sound.
>
>
> So obviously FF on XO is quite capable of delivering sound for a certain
> range of websites, but not for others.
> Understanding the difference between working and non-working web sites may
> provide a clue as to what is going on.
>
> Curiously, I found that the FF ver 50 version crashes when you try to load
> up the w3chools demo pages even before trying to start the audio.
>
> Thanks in advance to anyone who has the time and inclination to contribute
> to this.
>
>
> Regards
> Terry
>
>
>
>
>
> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Thu, 5 Jan 2017 13:05:59 +1000
>> From: T Gillett <tgillett at gmail.com>
>> To: "Devel's in the Details" <devel at lists.laptop.org>
>> Subject: Firefox on XO
>> Message-ID:
>>         <CAD58EkxxzZ_6UWZB0zgam2wLbC0ms-f0gMbm_34O+G3mqBZKDQ at mail.
>> gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hi James
>>
>> Thanks for the response.
>>
>> I installed Firefox on the 32020 build two different ways to test:
>>
>> 1. Using 'yum install' to get it from the repo. This installs Ver 26 as
>> per
>> your email.
>> 2. Using the download (firefox-50.1.0.tar.bz2) from the Firefox downloads
>> site which gives Ver 50.
>>
>> The behaviour of both versions with respect to the sound appears to be the
>> same.
>>
>> The browsers will play an mp3 file when it is simply linked within a web
>> site, (by default using the VLC plug-in according to the FF
>> Preferences/Application dialogue) but will not play an mp3 file within
>> simple HTML5 sites (eg our vt-motoli site)
>> The Reading Eggs site works well visually (it won't work properly in
>> Epiphany), but is absolutely silent. As far as I understand, this site is
>> using Flash.
>>
>> It seems from some postings I read that FF expects to have Pulse Audio
>> support on Linux systems (and this is not included in the XO software).
>> So it is interesting that when you installed apulse, there is still an
>> issue.
>>
>> Ref:
>> https://www.reddit.com/r/firefox/comments/451074/firefox_to_
>> make_pulseaudio_a_hard_requirement_on/
>>
>> regards
>> Terry
>>
>>
>>
>> > Message: 1
>> > Date: Wed, 4 Jan 2017 10:39:02 +1100
>> > From: James Cameron <quozl at laptop.org>
>> > To: devel at lists.laptop.org
>> > Subject: Re: Firefox on XO
>> > Message-ID: <20170103233902.GB5865 at us.netrek.org>
>> > Content-Type: text/plain; charset=iso-8859-1
>> >
>> > G'day Terry,
>> >
>> > You didn't mention which version of Firefox.
>> >
>> > With firefox-26.0-2 from the Fedora 18 repository your no-sound issue
>> > with those sites reproduces.
>> >
>> > Then I installed apulse, a PulseAudio emulation for ALSA, but the
>> > problem persisted.  Looking at /proc/$(pidof firefox)/smaps the
>> > libpulse libraries are not mapped.
>> >
>> > Which Firefox are you trying, and how are you trying it?
>> >
>> > References:
>> >
>> > https://github.com/i-rinat/apulse (source)
>> > https://github.com/vitvegl/apulse-rpm (for the spec file)
>> >
>> > dependencies: gcc-c++ gcc-sh-linux-gnu cmake alsa-lib-devel glib2-devel
>> > alsa-lib glib2
>> >
>> > On Sun, Jan 01, 2017 at 08:52:39AM +1000, T Gillett wrote:
>> > > Hi All
>> > >
>> > > I have installed Firefox on the current 13.2.8 build on XO-1.5 and it
>> > works OK
>> > > except that there is no sound on some websites.
>> > > Other sites work OK.
>> > >
>> > > This seems to be a known problem:
>> > >     [1]https://bugzilla.mozilla.org/show_bug.cgi?id=803042
>> > >     [2]http://forums.fedoraforum.org/showthread.php?t=277040
>> > >     [3]https://ask.fedoraproject.org/en/question/65978/fedora-21-fi
>> > > refox-3603-and-flash-no-sound-system-sound-fine/
>> > >     [4]http://unix.stackexchange.com/questions/144395/
>> > > firefox-html5-asoundrc-no-sound
>> > >
>> > > The issue seems to revolve around getting FF to use ALSA for sound,
>> and
>> > without
>> > > installing PulseAudio.
>> > >
>> > > I am wondering if anyone using Firefox on XO has encountered and/or
>> > solved this
>> > > problem.
>> > >
>> > > Thanks in advance for any help on this.
>> > > Terry
>> > >
>> > > ------------------------
>> > >
>> > > Some sites for testing the audio. Open any of these in a new tab and
>> you
>> > should
>> > > hear audio.
>> > >
>> > > 1.    [5]http://student.readingeggs.com//sample_lessons/#/sample/
>> > lesson/6/
>> > > activity/1
>> > > No sound on XO.
>> > >
>> > > 2.    [6]http://vt-motoli.org/CG/cg_03/cg_03.html#l-en
>> > > No sound on XO.
>> > >
>> > > 3.    [7]http://robbbenson.com/01%20Eve.mp3
>> > > Sound OK.
>> > >
>> > > References:
>> > >
>> > > [1] https://bugzilla.mozilla.org/show_bug.cgi?id=803042
>> > > [2] http://forums.fedoraforum.org/showthread.php?t=277040
>> > > [3] https://ask.fedoraproject.org/en/question/65978/fedora-21-
>> > firefox-3603-and-flash-no-sound-system-sound-fine/
>> > > [4] http://unix.stackexchange.com/questions/144395/firefox-
>> > html5-asoundrc-no-sound
>> > > [5] http://student.readingeggs.com//sample_lessons/#/sample/
>> > lesson/6/activity/2
>> > > [6] http://vt-motoli.org/CG/cg_03/cg_03.html#l-en
>> > > [7] http://robbbenson.com/01%20Eve.mp3
>> >
>> > > _______________________________________________
>> > > Devel mailing list
>> > > Devel at lists.laptop.org
>> > > http://lists.laptop.org/listinfo/devel
>> >
>> >
>> > --
>> > James Cameron
>> > http://quozl.netrek.org/
>> >
>> >
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