Re: [GnomeMeeting-list] USB webcams with microphones working under ALSA?

Am Freitag, 19. September 2003 13:44 schrieb Fabrice Alphonso:
> Le ven 19/09/2003 à 13:22, Chris Rankin a écrit :
> > Hi,
> >
> > Does anyone have a USB webcam with a built-in microphone working under
> > Linux, please? I have a Linux box that can only receive a meeting at the
> > moment because a) the microphone doesn't work
> > b) the sound card is only half-duplex anyway
> > c) it also has no webcam
> >
> > Adding a USB webcam with a builtin microphone seems like an idea
> > solution, especially since I see that ALSA supports USB audio.
> >
> > So does anyone recommend any particular makes / models, please?

Of course, we don't recommend any brands, but many people will tell you that 
the Philips based ones are working really good. :-)

> i have a Logitech Quickcam Pro 4000 which works very good.
> With the latest kernel version you have to use the kernel module pwc and
> to add the binary only module pwcx which add compression to enable the
> size requested by GM (iirc).
> until now it was adviced to use OSS usb-audio module, as the one from
> ALSA was not really good (once, iirc), but i didn't followed to much the
> evolution and perhaps that with latest version of ALSA it is working
> good now, moreover now that ALSA is provided with kernel 2.6.

The problem was IIRC pwlib trying to open the device read-write, which failed, 
of course, but this has been corrected, so one should use ALSA with 
OSS-Emulation (or GM CVS, which has native ALSA support, but is broken at the 
moment, AFAIK).


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