Re: Webcam for RH Linux - Only Small Video Size on Logitech QuickcamPro 4000?

[Rick Stevens <rstevens vitalstream com>]

Rick Bilonick wrote:
> Rick Stevens wrote:
>
> > Rick Bilonick wrote:
> >
> > > > > I don't know about that page.  Does the model number above match your
> > > > > camera?
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Yes. The model is a PD1050. So your web page shows that it is not 
> > > > supported.
> > > >
> > > > I'm going to return it and get the Logitech 4000.
> > > >
> > > > Thanks for your help.
> > > >
> > > > Rick B.
> > > OK, I returned the Creative and picked up the Logitech Quickcam Pro 
> > > 4000.
> > >
> > > I plugged it in and xawtv brings up the webcam. But (there has to be 
> > > a but), the image size is very small, I'm guessing at 176 x 144.
> > >
> > > I downloaded and installed camstream. Even when I set it to 640 x 
> > > 480, the image is always small (with extra grey space). According to 
> > > the box and camstream, it should do 640 x 480 or at least something 
> > > larger.
> > >
> > > Camstream seems to know that the webcam is a Logitech Quickcam Pro 
> > > 4000. It seems to have everything one would need to use the webcam.
> > >
> > > Any ideas on how I can improve this? I include the output from 
> > > camstream. It seems to see the request to change to 640 x 480 but it 
> > > doesn't increase the video size.
> >
> >
> >
> > The Quickcam Pro 4000 requires a later version of the pwc driver (V8.8 
> > or later).  Do a "modinfo pwc" to see which version you have.
> >
> > You may also need the pcwx package (I used an old version).  The package
> > is available at:
> >
> >     http://www.smcc.demon.nl/webcam/release.html#pwcx
> >
> > ----------------------------------------------------------------------
> > - Rick Stevens, Senior Systems Engineer     rstevens vitalstream com -
> > - VitalStream, Inc.                       http://www.vitalstream.com -
> > -                                                                    -
> > -        Brain:  The organ with which we think that we think.        -
> > ----------------------------------------------------------------------
> >
> >
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> I don't see a version number:
>
> [root dpc-2236 rpms]# /sbin/modinfo pwc
> filename:    /lib/modules/2.4.20-8/kernel/drivers/usb/pwc.o
> description: "Philips USB webcam driver"
> author:      "Nemosoft Unv. <nemosoft smcc demon nl>"
> license:     "GPL"
> parm:        size string, description "Initial image size. One of sqcif, 
> qsif, qcif, sif, cif, vga"
> parm:        fps int, description "Initial frames per second. Varies 
> with model, useful range 5-30"
> parm:        fbufs int, description "Number of internal frame buffers to 
> reserve"
> parm:        mbufs int, description "Number of external (mmap()ed) image 
> buffers"
> parm:        trace int, description "For debugging purposes"
> parm:        power_save int, description "Turn power save feature in 
> camera on or off"
> parm:        compression int, description "Preferred compression 
> quality. Range 0 (uncompressed) to 3 (high compression)"
> parm:        leds int array (min = 2, max = 2), description "LED on,off 
> time in milliseconds"
> parm:        dev_hint string array (min = 0, max = 10), description 
> "Device node hints"
>
> According to the pcw page, I guess I need to get the pwcx module.

That's your best bet.  I used an old pwcx for mine, but that was on an
ancient RH7.1 box with current software (2.4.20 kernel, et al).
----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer     rstevens vitalstream com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-            "You think that's tough?  Try herding cats!"            -
----------------------------------------------------------------------