Re: getting digital audio back from saol soundcards

From: Sampo A Syreeni (ssyreeni@cc.helsinki.fi)
Date: Fri Aug 13 1999 - 02:16:56 EDT


On Thu, 12 Aug 1999, Eric Scheirer wrote:

>>Is point 2 technically feasible ? Anything going on along these lines ?
>>(Forgive me if the questions have been raised before).
>
>It seems to me that latency issues are problematic if you want to
>do real-time processing in such a scenario. It requires two DMAs for
>each roundtrip cycle to and from the host, and so if you are trying
>to do several stages of processing, the DMA latency will add up
>quickly.

The obvious solution is pipelining - submit multiple blocks, gather results
back asynchronously.

Sampo Syreeni <decoy@iki.fi>, aka decoy, student/math/Helsinki university



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