[alsa-devel] snd_dummy on Centos - Redhat

[Giovanni Maruzzelli]

On Fri, Sep 4, 2009 at 11:20 AM, Takashi Iwai<tiwai at suse.de> wrote:
>
> If it's XRUN, the stream has to be stopped once, so you must have
> STOP log there.
>
>> So, this time for not having false positives I send you the result of
>> a continuous play of music, without pauses in it (maybe a pause at the
>> beginning):
>
> Hrm, is this the output from one stream?
>
>> Sep  4 11:04:04 localhost kernel: *** STOP
>> Sep  4 11:04:25 localhost kernel: *** START: buffer=4096, period=2048,
>> rate=16000
>> Sep  4 11:04:25 localhost kernel: xxx delta=2, pos=32000(32), rest=2016000(2016)
>> Sep  4 11:04:25 localhost kernel: xxx delta=3, pos=80000(80), rest=1968000(1968)
>> Sep  4 11:04:25 localhost kernel: *** START: buffer=4096, period=2048,
>> rate=16000
>
> Here you have the second start without stopping.
>

For what I have seen hacking out my modifications to the dummy
drivers, Skype open and close a lot the devices... Probably it do that
for "ringing", making other announcements, etc.

They use the RTaudio library, probably with their own modifications....

Also, maybe the second START is the start of capture...?