There is a vfw/wdm mapper, but it can only map a single wdm device to vfw, so vic only has access to one of the four.
On 07/13/05 08:20, Derek Piper wrote: > > I believe there is a 'wrapper' in 2000/XP for WDM drivers to the VfW > interface that VIC uses. > > Derek > > Fred Dech wrote: > >> thanks, Derek. >> but what i don't understand is this. >> if the Spectra8 currently uses WDM drivers in Windows... >> VIC relies on VFW type drivers. that's what the problem is/was with the >> newer WDM driver Winnov Videum cards and VIC. >> i'm missing something. >> >> --fred >> >> On Tue, Jul 12, 2005 at 04:38PM, Derek Piper said: >> >>> Hi, >>> >>> Having installed a Spectra8 after using a WinTV 150PVR, I can >>> tell you it's *very easy* to get going. Yes, each input installs >>> a driver individually (4 goes round the 'found new hardware' wizard - >>> yawn, but once it's done it's done). After that it just works like 4 >>> individual capture cards. As mentioned before, the inherent problem >>> with VIC not being able to differentiate between the sources and >>> 'colliding' over what input to use still remains, but that's Windows >>> thing and happens any time there is more than one capture device. You >>> just have to select the 'other' source(s), whatever they may be, when >>> the window prompts you and all sources will come up nicely. >>> Spectra8 cards, being 4 BT878 chips, would work nicely under >>> Linux and not suffer from that problem (they'd just be >>> /dev/video0, /dev/video1 etc.), although I have not personally tested >>> it. >>> >>> Derek >>> >>> Fred Dech wrote: >>> >>>> this has been covered in various ways at various times. but i've got >>>> a new question on this subject. >>>> >>>> we had a problem with the last Winnov Videum card we spec'd for another >>>> institution because before they purchased the card the Videum been >>>> upgraded >>>> to WDM drivers. while the VFW drivers would make it work right for >>>> AG, this >>>> other institution needed to use the software that came with the >>>> capture card. >>>> >>>> i've noticed quite a few posts by people successfully using the >>>> Spectra8 >>>> 4 input card. so i've now come to the point of replacing that Winnov >>>> Videum with something that will cover all the needs of our >>>> collaborators; >>>> proprietary capture software and AG. >>>> >>>> i'm looking at a web page with Spectra8 specifications. i'm very, very >>>> surprised to see, "... each frame grabber channel has it's own WDM >>>> driver, >>>> allowing you to capture from 4 individual video channels." >>>> now i'm really confused. is the WDM driver relatively recent for the >>>> Spectra8? it must be... or how have people made it work well with >>>> AG... >>>> >>>> any insights would be greatly appreciated. >>>> >>>> --fred >>>> >>>> >>> >>> -- >>> Derek Piper - [email protected] - (812) 856 0111 >>> IRI 323, School of Informatics >>> Indiana University, Bloomington, Indiana >> >> >> >> >
