[mythtv-users] Firewire, framegrabbers, and Nvidia (was Re: Current wisdom on PVR-150/250/350/500

Brian Wood beww at beww.org
Wed Apr 19 01:05:07 UTC 2006


On Apr 18, 2006, at 7:03 PM, Michael T. Dean wrote:

> On 04/18/2006 10:33 AM, Scott Doty wrote:
>
>> Heh...which brings us back to the concept of framegrabbers...
>>
>> Specifically, I've got an Nvidia EVGA 7800GTX that apparently has  
>> the hardware
>> for composite video capture, which is exactly what I need.  Alas,  
>> the Nvidia
>> binary blob doesn't support that part of the hardware
>>
>>
> ...
>
>> So the question becomes:  What's a good choice for a composite  
>> framegrabber
>> with good quality?
>>
>
> Framegrabber and good quality don't usually fit together well.  If the
> manufacturer is providing a framegrabber, it's probably to try to
> undercut encoders like PVR-x50's/500's, so quality normally suffers
> accordingly.
>
>>  I have a Hauppauge WinTV in my old workstation, but it's
>> 5V, and the 5V PCI slot on this new motherboard is covered by the
>> (double-sized) Nvidia card... so I'm running mythbackend on my old
>> workstation, and viewing on this new workstation.
>>
> Aren't the Hauppauge PVR-150's (and maybe PVR-500's) 3.3V capable?
>

Yes, but they are not "framegrabbers", they are integral encoder  
cards, and he asked for a framegrabber, not that I know why :-)


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