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

J. Liles malnourite at gmail.com
Thu Aug 2 18:24:06 UTC 2012


On Thu, Aug 2, 2012 at 9:40 AM, Paul Davis <paul at linuxaudiosystems.com>wrote:

>
>
> 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.
>

Yes, please. I like this idea. Make it a JACK option. That way the black
magic can be centralized instead of everybody having to copy code out of
Ardour.
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