[Jackit-devel] Re: [PD-announce] Re: [linux-audio-dev] ANN: k_jack v0.0.0.5 and Mammut v0.15

[Kjetil S. Matheussen]

On Fri, 24 Jan 2003, Kai Vehmanen wrote:

> On Fri, 24 Jan 2003, Kjetil S. Matheussen wrote:
>
> > I'm at work now, and we ~only have delta cards. At home I use a built-in
> > sound-card on an nforce chipset. But I get nearly the same good
> > performance in pd here as at home. So here is delta44 parameters:
>
> But how do you know you are not losing any data? I mean...
>
> > kjetism at hensten /proc/asound/card0/pcm0c/sub0 $ more hw_params
> [...]
> > stop_threshold: 1811939328
>
> ... there seems to be no xrun detection enabled. At least pd-0.36 seems to
> set "snd_pcm_sw_params_set_xrun_mode(alsa_device.inhandle, sw_params,
> SND_PCM_XRUN_NONE);".
>
> This means that you could be having small xruns all the time! Of course,
> really long breaks are always audible, but shorter ones are sometimes
> quite subtle. Still, you are losing audio data.
>
I guess so. But its not necesarrily very import, at least not for (most
kinds of) live performance. Is there a quick way to patch pd so that it
detects xruns?



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