[streaming] Re: WebCAM Device Recommendations

[Chen Li-Shien]

I have bought Quickcam pro 4000, and tested it sucessfully
thank you for your suggestion and everyone's

by the way, in vls.cfg setting file, can I use mpeg2 to encode video?
I just saw mpeg1 and mpeg4 option for video there

thank you


On Mon, 3 Nov 2003 06:35:31 +1000, Richard Ham wrote
> Chen,
> 
> I believe the Quickcam Pro 3000 and a number of other camera's use 
> the driver located at http://www.smcc.demon.nl/webcam/ . AFAIK, this 
> driver works well with vls and vlc. This camera appears to be quite 
> robust and the driver seems to be fairly flexible.
> 
> The Quickcam express camera uses the driver(s) located at
> http://qce-ga.sourceforge.net/  - this driver, while working well 
> with a number of other v4l applications, doesn't work well with vls when
> using a quickcam express camera (other cameras may work, but the qe
> didn't). AFAIK, this is a palette issue and due to the nature of the
> v4l layer as much as anything else.
> 
> As always, YMMV :)
> 
> Regards,
> 
> Richard
> 
> ----- Original Message ----- 
> From: "Chen Li-Shien" <lsc at cmlab.csie.ntu.edu.tw>
> To: <streaming at videolan.org>
> Sent: Monday, November 03, 2003 1:09 AM
> Subject: Re: [streaming] Re: WebCAM Device Recommendations
> 
> >
> > QuickCam Pro 3000 and Philip ToUcam use the same chip
> >
> > so I have questions about the following discuss with these two
> cameras
> >
> > 1.The Phillips camera also works well means Philip ToUcam also works
> well
> >   with vls ?
> >
> > 2.Since QuickCam Pro 3000 and Philip ToUcam use the same chip,
> >   QuickCam Pro 3000 also works well with vls ?
> >   (but the following said that quickcam camera segv's with vls)
> >
> > I dont know if I should buy "QuickCam Pro 3000" or not to test vls
> > my country only sells QuickCam Pro 3000 , so I need to ask
> everyone's idea
> >
> > thank you
> >
> >
> > On Tue, 28 Oct 2003 06:53:22 +1000, Richard Ham wrote
> > > > > I am looking to buy a webCAM that is vls/vlc (linux based)
> > > compatible.  Any
> > > > > recommendations?
> > > > > Desire to have both video and audio supported.
> > > > >
> > > >
> > > > Well, any webacm supported by Video4Linux should be OK.
> > >
> > > Ummm ....... no.
> > >
> > > I have tried several webcams (the Phillips one Tristan speaks of,
> an
> > > OV511 based camera and the Quickcam express plus a couple of
> others
> > > that the driver is beta development stage, with vls.
> > >
> > > Supported by v4l *definitely* doesn't mean working with vls. The
> > > OV511 based camera worked fine. The Phillips camera also works
> well.
> > > The quickcam camera, while working with a myriad of other v4l
> > > programs always segv's with vls. The cameras in beta stage also
> work
> > > with apps such as motv, gqcam, gnome meeting, but causes a segv
> with
> > > vls.
> > >
> > > It seems that vls is quite pickey about the palette/depth and will
> > > complain bitterly about "your computer is too slow, trashing
> frame"
> > > for a bit and then segv if it doesn't support the camera. I have
> > > tried debugging this to see why. I have generally been
> unsucessful, and
> > > requests for help have been ignored, so I have moved on to re-
> > > learning C++ so I can figure out the code in all my spare time. It
> > > does come down to the fact that the cameras work in a lot of other
> > > progs, but not vls.
> > >
> > > It has been expensive to test many cameras with vls which is the
> only
> > > reason I'm responding - to correct this error of "if it works with
> > > v4l, it works with vls". No, it doesn't mean that.
> > >
> > > My suggestion is to find a camera that is based on the ov511
> chipset
> > > - they work well... backup suggestion, use the camera Tristan
> speaks
> > > of. As always, YMMV.
> > >
> > > Best Regards,
> > >
> > > Richard
> > >
> > > -- 
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> >
> > --
> > Communication and Multimedia Laboratory
> > Dept. of Computer Science and Information Engineering, NTU
> >
> >
> 
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--
Communication and Multimedia Laboratory
Dept. of Computer Science and Information Engineering, NTU

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