[mythtv-users] Firewire, framegrabbers, and Nvidia (was Re: Current wisdom on PVR-150/250/350/500
Michael T. Dean
mtdean at thirdcontact.com
Wed Apr 19 01:59:28 UTC 2006
On 04/18/2006 09:05 PM, Brian Wood wrote:
>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 :-)
>
And, (because I'm tired and didn't realize I hadn't typed it
explicitly), the question I'm implicitly asking is, "Why a composite
framegrabber?"
Mike
More information about the mythtv-users
mailing list