Firefox still without sound

[Warren Block]

On Wed, 25 May 2016, Christian Baer wrote:

> Hey everyone!
>
> I just updated Firefox to the current 46.0.1 and I am still not getting any
> sound out of it (just tested youtube). With the update several other packages
> were updated too (including alsa), so it seems as if there has been some
> progress in terms of sound.
>
> Using $SEARCHENGINE I could quickly see, that Firefox without sound after an
> update under FreeBSD is a (well) known issue. Strangely enough there does not
> really seem to be a solution out there that is easy to implement or put into
> the ports/packages.
>
> What's going on there? Or have I just missed the memo about Firefox and the
> sound output?

It's working here on 10-stable.  I have always enabled the ALSA option 
and disabled PULSEAUDIO, which might have something to do with it.