Re: [Jack-Devel] query jack scaling factor?

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DateMon, 30 May 2011 20:58:46 +0200
From torbenh <[hidden] at gmx dot de>
ToDan Muresan <[hidden] at gmail dot com>
Cc[hidden] at jackaudio dot org
In-Reply-ToDan Muresan Re: [Jack-Devel] query jack scaling factor?
Follow-UpDan Muresan Re: [Jack-Devel] query jack scaling factor?
On Mon, May 30, 2011 at 08:50:21PM +0300, Dan Muresan wrote:
> > from drivers/alsa/memops.c:
> 
> From the same file:
> 
> > So, for now (October 2008) we use 2^(N-1)-1 as the scaling factor.
> 
> Which is part 1 of my point -- unless Jack promises *never* to change
> this scaling strategy, it should be available for those apps that need
> bit-exactness.

and how would you treat dithering then ?
(which applications need bit exactness anyways ?)


> 
> Part 2 of my point was: can I find out whether Jack is reading 16-bit,
> 24-bit, or something else from ALSA? There's no point in wasting disk
> / memory space if I want to convert back to PCM in my app.

what if you record from another jack client ?
while connected to -ddummy ?
what should that report ?? zero bits ?

i think your trying to cripple your app. dont do that.
people like using stuff in ways your didnt expect before.

> 
> -- Dan
> 
> Jack-Devel mailing list
> [hidden]
> http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org

-- 
torben Hohn
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