Re: real-time threaded IO with low latency (audio)

Oliver Xymoron (oxymoron@waste.org)
Sun, 25 Jul 1999 01:38:13 -0500 (CDT)


On Sun, 25 Jul 1999, Steve Underwood wrote:

> Oliver Xymoron wrote:
>
> > On an unloaded system, yes, you can be clever with mlock() and pre-fault
> > everything before going into your critical code, but the people who are
> > begging for RT performance for multimedia stuff don't understand that it
> > means running with basically no load and giving up tons of memory and not
> > touching the disk, etc..
>
> Isn't "real time multimedia without touching the disk" an oxymoron?

No. There's quite a bit of multimedia that's not realtime and quite a bit
that doesn't touch the disk. The only part of video playback (or capture)
that generally needs to be realtime is the transfer between frame buffers.

--
 "Love the dolphins," she advised him. "Write by W.A.S.T.E.." 

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