Re: [GnomeMeeting-list] webcam & audio conflict

[Christophe Guilbert <cguilbert picasso ucsf edu>]

Kilian ,
Could you please have a look to those lsmod ouput concerning audio

*** without the webcam ****   ----> gomemeting OK
snd-seq-midi            8544  0
snd-seq-oss            34112  0
snd-seq-midi-event      7584  2 snd-seq-midi,snd-seq-oss
snd-seq                54000  5 snd-seq-midi,snd-seq-oss,snd-seq-midi-event
snd-pcm-oss            54244  0
snd-mixer-oss          19520  1 snd-pcm-oss
snd-ens1371            23040  2
snd-rawmidi            24288  2 snd-seq-midi,snd-ens1371
snd-seq-device          8232  4 snd-seq-midi,snd-seq-oss,snd-seq,snd-rawmidi
snd-pcm                99300  3 snd-pcm-oss,snd-ens1371
snd-page-alloc         12484  1 snd-pcm
snd-timer              25604  2 snd-seq,snd-pcm
snd-ac97-codec         63332  1 snd-ens1371
gameport                4544  1 snd-ens1371
snd                    54756  15 
snd-seq-midi,snd-seq-oss,snd-seq-midi-event,snd-seq,snd-pcm-oss,snd-mixer-oss,snd-ens1371,snd-rawmidi,snd-seq-device,snd-pcm,snd-timer,snd-ac97-codec
soundcore               9664  1 snd
.....
usbcore               104604  4 hid,uhci-hcd
--------------------------------------------------------------
***Than I hotplug the webcam ***

Kilian Krause wrote:snd-seq-midi            8544  0
snd-seq-oss            34112  0
snd-seq-midi-event      7584  2 snd-seq-midi,snd-seq-oss
snd-seq                54000  5 snd-seq-midi,snd-seq-oss,snd-seq-midi-event
snd-pcm-oss            54244  0
snd-mixer-oss          19520  1 snd-pcm-oss
snd-ens1371            23040  2
snd-rawmidi            24288  3 snd-usb-audio,snd-seq-midi,snd-ens1371
snd-seq-device          8232  4 snd-seq-midi,snd-seq-oss,snd-seq,snd-rawmidi
snd-pcm                99300  4 snd-usb-audio,snd-pcm-oss,snd-ens1371
snd-page-alloc         12484  1 snd-pcm
snd-timer              25604  2 snd-seq,snd-pcm
snd-ac97-codec         63332  1 snd-ens1371
gameport                4544  1 snd-ens1371
snd                    54756  16 
snd-usb-audio,snd-seq-midi,snd-seq-oss,snd-seq-midi-event,snd-seq,snd-pcm-oss,snd-mixer-oss,snd-ens1371,snd-rawmidi,snd-seq-device,snd-pcm,snd-timer,snd-ac97-codec
soundcore               9664  1 snd
....
usbcore               104604  6 snd-usb-audio,pwc,hid,uhci-hcd
---------------------------------------------------------------------
***When I reboot the computer with the webcam***

snd-usb-audio          68064  0
snd-rawmidi            24288  1 snd-usb-audio
snd-seq-device          8232  1 snd-rawmidi
snd-pcm                99300  1 snd-usb-audio
snd-page-alloc         12484  1 snd-pcm
snd-timer              25604  1 snd-pcm
snd                    54756  5 
snd-usb-audio,snd-rawmidi,snd-seq-device,snd-pcm,snd-timer
soundcore               9664  1 snd
....
usbcore               104604  6 hid,snd-usb-audio,pwc,uhci-hcd
--------------------------------------------------------------------------

when rebooting with the webcam , there is no "snd-ens1371 " anymore

Is what we say before still valid ?

CHris

> Hi Chris,
>
>  
>
> > 1) It does not look (from modules.conf) that I am using any OSS driver 
> > for the mic's web
> >    
>
> the audio module is being loaded by the usbmgr (or hotplug script), so
> plug in your cam and check the output of lsmod. If there's an "audio"
> entry, but no "snd-usb-audio", then that one is the OSS driver, and
> should be the ALSA one.
>
> Sound configuration is somewhat distro-specific an i don't know what MdK
> uses for dirs and stuff. Probably Anne Wilson can tell. She's on MdK 10
> too. ;)
>
>  
>
> > 2) Let assume  it is the case, how the OSS driver is loaded ? can I 
> > prevent it being loaded ( I don't need the webcam
> > s mic after all !)
> >    
>
> Depends on your config of usbmgr/hotplug. Check the package's docs on
> details how to blacklist a module.
>
>  
>
> > 3) Apparently , I have the OSS-emulation of ALSA (snd-pcm-oss) , could 
> > it be any other reasons ?
> >    
>
> hard to tell. But going upstream Mandrake and searching for support
> there comes to mind. They're said to have a user-mailinglist where you
> could ask.
>
>  
>
> > 4) Is there any "snd-usb-audio" like for ALSA I can use ?
> >    
>
> snd-usb-audio is the ALSA module. ;)
>
>  
>
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