Bug#283258: gnomemeeting: Please add support for OSS sound device

[Kilian Krause]

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Hi Petter,

Am Samstag, den 27.11.2004, 18:11 +0100 schrieb Petter Reinholdtsen:
> [Kilian Krause]
> > i810 and OSS can't do full duplex.
>=20
> Right.  I started to suspect that.
>=20
> > It's technically impossible to use OSS with i810 for VoIP. Sorry.
>=20
> Wow.  I did conference calls in 1995 using half duplex audio devices
> and sdr/vic/vat (MBone/multicast-tools), and was not aware that this
> was technically impossible.  I really impress myself when I now know I
> participated in a miracle.

hehe, somewhat i sensed that you'd answer that, so here's the long and
technically more precise answer:

- GnomeMeeting doesn't do half-duplex, but only full-duplex
- I1810 OSS doesn't do full-duplex, however I810 and ALSA is just
working like a charm.
- all decent VoIP are full-duplex. As a new product PTT and POC
(Push-To-Talk-over-Celluar) are just being rolled out into the field or
exist. Both of which aren't used for any decent VoIP technology i know.

So the point was that neither GM nor any of the other openh323 linux
clients will get you any further with i810/oss... Ok now? ;)

> But at least now I know what the problem is.  I can't change the sound
> device in my laptop, so I will have to look for other solutions.
> Thanks for the information. :)

Use ALSA, it'll work. That also the reason why we don't ship OSS by
default. There's only 1 device that does work with OSS and full-duplex -
SB!Live. All other OSS drivers have minor or major problems with
full-duplex and only cause a large backscatter of "virtual" bugs.

--=20
Best regards,
 Kilian

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