[pulseaudio] Enable support for libsoxr

[Luke Yelavich]

On Mon, Apr 25, 2016 at 05:38:59PM CEST, Robie Basak wrote:
> You can certainly track this in a bug, yes. Another thing you'll need to
> address though is that libsoxr0 (and libsoxr-lsr0 if that's relevant)
> are in universe, but pulseaudio is in main. So there's a question about
> security support for pulseaudio with respect to libsoxr, for example.
> Ubuntu doesn't allow packages in main to depend on packages in universe.

There is already a bug for this, can't find it right now, but will reply
back when I have found it.

> Perhaps pulseaudio is suitably pluggable so users could opt into soxr at
> runtime? Or else, soxr would need to enter main, so it is relevant to
> most users?

The latter I think. PulseAudio's resampler support has to be built into the main binary.

Luke