[mythtv-users] PVR-350 questions...

Mark Watts m.watts at eris.qinetiq.com
Fri Aug 27 05:24:38 EDT 2004


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Ok, I'm looking at building a MythTV box from some spare parts I have lying 
around...

I have a old Micro-ATX motherboard which has onboard nVidia TNT2-M64 video.
This takes Athlon(XP) processors and has 3 PCI slots (no AGP)

I'm thinking that, since I want to hook this thing up to my 32" Sony 
Widescreen TV, that I'd use PCI video card with a TV-Out and not use the 
nVidia apart from the initial setup.

That got me digging, whereupon I discovered that you can use a PVR-350 as a 
framebuffer device for X output...

Several questions arise from this:

1) Would I be able to use the framebuffer part of the PVR-350 for X as well as 
video output in MythTV? (Does using it as a framebuffer device interfere with 
the TV functionality?)

2) Using the device in this way, would I still get hardware accelerated MPEG2 
playback?

3) Would I get hardware MPEG2 encode too?

4) If I bought another tuner card (for satilite tv - probably a Pinnacle PCTV 
Sat CL), would MythTV be able to use the hardware acceleration part of the 
PVR-350 to encode the steams from the other card to disk? (basically, does it 
treat the PVR-350 as a hardware mpeg2 accelerator card?)

Finally:

5) I'm thinking of using either a 1GHz Athlon (if I get everything hardware 
accelerated) or an XP2200+ if I can't - is the 1GHz Athlon up to it?

Cheers,

Mark.

- -- 
Mark Watts
Senior Systems Engineer
QinetiQ Trusted Information Management
Trusted Solutions and Services group
GPG Public Key ID: 455420ED
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