Messages in this thread | | | Date | Fri, 31 Mar 2006 23:06:35 +0200 | From | Edgar Toernig <> | Subject | Re: [patch 1/1] pc-speaker: add SND_SILENT |
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Vojtech Pavlik wrote: > > On Fri, Mar 31, 2006 at 01:07:34AM +0200, Edgar Toernig wrote: > > > > Latency is no problem. I'm using a userspace daemon to emulate > > the console beeper for about 6 months now and it work's very well. > > > > The daemon listens on /dev/input/eventX and when receiving a > > It needs to use /dev/input/uinput, not eventX. SND_TONE events are not > sent to the event devices.
Well, I get them - stock 2.6.16.
> > Latency isn't noticable and memory footprint is small. > > It needs to have the sample ready in memory and not swapped out. Then > the latency will be OK, but if it needs to read it in from the disk, it > may be very noticeable.
Yeah, if one ever cares one could mlock the samples, or (as I do) run without swap. Fixing the 'air' latency of 3ms/m is harder though *g*
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