[LAD] Floating point Denormals: C++ and Waf

Paul Davis paul at linuxaudiosystems.com
Thu Aug 2 16:40:55 UTC 2012


On Thu, Aug 2, 2012 at 12:02 PM, David Robillard <d at drobilla.net> wrote:

> On Thu, 2012-08-02 at 11:28 -0400, Paul Davis wrote:
> >
> >
> > On Thu, Aug 2, 2012 at 10:46 AM, David Robillard <d at drobilla.net>
> > wrote:
> >
> >         Is there a reason Jack can't do this for everything?  I am not
> >         really
> >         keen on putting a bunch of mysterious assembler crap in a host
> >         meant to
> >         be a relatively clean example, and it's even worse to make
> >         plugins have
> >         to do this...
> >
> > JACK doesn't get a chance to handle the output of a plugin until the
> > host hands it over to JACK and the process cycle ends. Just have a
> > reverb plugin outputting denormals and then have the host apply a gain
> > value and boom .. JACK can't play a role in that signal flow.
>
> I mean set the flush-to-zero flag (and/or any other processor state
> stuff required).
>

Ah, yes that would make a certain amount of sense if we called it from the
jack thread, somehow.
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