[mythtv-users] Performance problem

[Jonas Björklund]

Hello,

On Sun, 14 May 2006, Raphael Pooser wrote:

>> I have a RS482-IL motherbord and a AMD Turion MT-34.
>> The motherbord has a ATI Radeon Xpress 200 built in.
>> I have Hauppauge bt848. Samsung Spinpoint 250GB harddisk.
>>
>> I have only tried live TV and get performance problem. Every 2 seconds I
>> get a lag on the picture. :-(
>>
>> Is my system to slow? CPU? Capture card? Harddisk?
>>
> I would put the problem at none of the above, and move it on to your
> graphics card.
> At least when I first installed the drivers for my ATI card, it wasn't
> even using XV, causing it to eat up 60% of the processor just to watch a
> 640x480 stream, and with a software encoder taking about 40% to capture
> it, I was getting pauses exactly like the ones you're getting.  After
> making sure I had XV working, I got around 5% to watch a stream by
> itself, and closer to 50% to watch something live or watch and record at
> the same time.
> So I would give your graphics card driver a look.  Are you using fglrx?
> If so, make sure your vendor string for OGL reads ATI and not mesa, or
> XV won't be working either.
> I've heard that XV works perfectly when using "ati" in X, but I don't
> think "ati" supports the xpress 200, not 100% sure.
> Also, "ati" won't let you use TV out.
> Raphael

I have not bought a Nvidia FX 5200 PCI and have the same problem. :-(

Section "Device"
         Identifier  "fx5200"
         Driver      "nvidia"
         VendorName  "nvidia"
         BoardName   "NVIDIA GeForce FX5200"
         BusID       "PCI:2:0:0"
         Option      "RenderAccel" "1"
         Option      "HWCursor" "1"
         #Option "NoLogo" "1"
         #Option      "TVStandard" "PAL-B"
         #Option      "TVOutFormat" "SVIDEO"
         #Option      "DigitalVibrance" "0"
         Option      "OpenGLOverlay" "off"
         Option      "VideoOverlay" "on"
         Option      "TVOverScan" "0.6"
EndSection