[LAD] [CFP] Linux Plumbers Conference CFP ends soon!

Fons Adriaensen fons at kokkinizita.net
Mon Jun 15 21:58:25 UTC 2009


On Mon, Jun 15, 2009 at 12:53:54AM +0200, Lennart Poettering wrote:

> The part about "without any loss of perfomance" is the big problem. Of
> course the latency increases each time you add an indirection.

It shouldn't. When a Jack client connects to HW ports 
provided by the ALSA backend it gets exactly the same
latency and data (only converted to/from float) as it
would by using the ALSA device directly with the same
HW params. There is no big mistery about how this is
done, it's quite straightforward.

The lowest level PA interface could just do the same.
This would allow Jack to use it as a backend without
any loss of performance, even allowing other PA clients
at the same time. 

Ciao,

-- 
FA

Io lo dico sempre: l'Italia è troppo stretta e lunga.




More information about the Linux-audio-dev mailing list