[LAU] Japa with non-power-of-two jack framesize segfaults :(

Florian Paul Schmidt mista.tapas at gmx.net
Mon Nov 14 12:42:34 UTC 2011


On 11/13/2011 07:23 PM, Martin Homuth-Rosemann wrote:
> Hi,
> just discovered this strange behaviour:
> USB audio interfaces (Lexicon Omega and UCA202 with BB2902) with JACK 
> framesize of 48 or 96 work well with jaaa but segfault with japa, 
> while japa with framesize 64, 128, 256... is ok.
> I use 48/96 framesize because of this info:
> http://old.nabble.com/usb-and-jack-ts26046087.html
> Any idea or suggestions?
>
> Ciao, Martin

Doesn't the jack API guarantee that nframes is 2^n where n is an integer?

http://jackaudio.org/files/docs/html/types_8h.html#a4923142208a8e7dacf00ca7a10681d2b

So if your jack implementation allows you to change that, then it might 
be a bug..

Flo

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