[mythtv-users] high cpu load with nvidia fx5700LE and pvr500

[Sasha Z]

Did you just "upgrade" to the latest nvidia modules? They seem to have
the effect of pegging CPU when using openGL vsync.

On 12/18/05, Rick van der Mieden <mieden8 at zonnet.nl> wrote:
>
>
>
> Hi All,
>
>
>
> I've got a very high cpu load (about 90%) when I use LiveTV or when I watch
> video. I don't think this should be normal.
>
>
>
> Here's my setup:
>
>
>
> P4-3,0
>
> Hauppauge Pvr500
>
> Nvidia FX5700LE
>
> Gentoo 2.6.14-gentoo-r2
>
>
>
> Output of lsmod (only the important ones)
>
>
>
> Module                  Size  Used by
>
> nvidia               4084336  0
>
> lirc_imon              14212  0
>
> lirc_dev               14212  1 lirc_imon
>
> firmware_class          9088  1 cx25840
>
> tuner                  24736  0
>
> tveeprom               13740  0
>
> ivtv                  220052  0
>
> videodev                8448  1 ivtv
>
> i2c_algo_pca            6660  0
>
> i2c_algo_pcf            8068  0
>
> i2c_dev                 8960  0
>
> sata_sx4               12676  0
>
> sata_sis                6400  0
>
> s2io                   52364  0
>
>
>
> Installed nvidia stuff:
>
>
>
> *  media-gfx/nvidia-cg-toolkit
>
>       Latest version installed: 1.2.0402.1900
>
> *  media-video/nvidia-glx
>
>       Latest version installed: 1.0.8174-r1
>
> *  media-video/nvidia-kernel
>
>       Latest version installed: 1.0.8174-r1
>
> *  media-video/nvidia-settings
>
>       Latest version installed: 1.0.6629
>
>
>
> I installed the nvidia drivers downloaded from the nvidia site and I do see
> the nvidia logo at startup of X
>
> I'm using kde for X and my PVR500 seems to work ok.
>
> But I really don't like the quallity of the picture. It's by far not as good
> as it is on my normal tv. It's a bit flickering (like the picture can't
> catch up with the movements) and not completely sharp).
>
>
>
> Below my xorg.conf:
>
>
>
> satie ~ # cat xorg.conf
>
> Section "ServerLayout"
>
>         Identifier     "X.org Configured"
>
>         Screen         "Screen0" 0 0
>
>         InputDevice    "Mouse0" "CorePointer"
>
>         InputDevice    "Keyboard0" "CoreKeyboard"
>
> EndSection
>
>
>
> Section "Module"
>
>         Load  "extmod"
>
>         Load  "dbe"
>
>         Load  "record"
>
>         Load  "v4l"
>
>         Load  "xtrap"
>
>         Load  "glx"
>
>         Load  "type1"
>
>         Load  "freetype"
>
> EndSection
>
> …..
>
> Section "Monitor"
>
>         Identifier   "Monitor1"
>
>         VendorName   "Philips"
>
>         ModelName    "NEC FE700"
>
>         HorizSync    31.5 - 48.5
>
>         VertRefresh  40 - 70
>
> EndSection
>
>
>
> Section "Monitor"
>
>         Identifier   "Monitor0"
>
>         HorizSync    30.0 - 68.0
>
>         VertRefresh  50.0 - 120.0
>
>         Gamma        1.21
>
>         ModeLine     "720x576" 42.6 720 760 832 944 576 577 580 602 -hsync
> -vsync
>
> EndSection
>
>
>
> Section "Device"
>
>         Identifier  "Videocard0"
>
>         Driver      "nvidia"
>
>         VendorName  "Peak"
>
>         BoardName   "nVidia GeRorce FX5700 LE"
>
>         BusID       "PCI:1:0:0"
>
>         # TV Out Setup
>
>         Option      "DigitalVibrance" "0"
>
>         Option      "OpenGLOverlay" "off"
>
>         Option      "VideoOverlay" "on"
>
>         Option      "TVStandard" "PAL-B"
>
>         Option      "TVOutFormat" "SVIDEO"
>
>         Option      "TVOverScan" "0.6"
>
> EndSection
>
>
>
> Section "Screen"
>
>         Identifier "Screen0"
>
>         Device     "Videocard0"
>
>         Monitor    "Monitor0"
>
>         DefaultDepth 24
>
>         SubSection "Display"
>
>                 Viewport   0 0
>
>                 Depth     1
>
>         EndSubSection
>
>         SubSection "Display"
>
>                 Viewport   0 0
>
>                 Depth     4
>
>         EndSubSection
>
>         SubSection "Display"
>
>                 Viewport   0 0
>
>                 Depth     8
>
>         EndSubSection
>
>         SubSection "Display"
>
>                 Viewport   0 0
>
>                 Depth     15
>
>         EndSubSection
>
>         SubSection "Display"
>
>                 Viewport   0 0
>
>                 Depth     16
>
>         EndSubSection
>
>         SubSection "Display"
>
>                 Viewport   0 0
>
>                 Depth    16
>
>         EndSubSection
>
> EndSection
>
>
>
> I'm using a 100HZ Philips TV (PAL-B, as I live in the Netherlands) and make
> use of Svideo-out of the nvidia FX5700.
>
>
>
> Is there anybody who can help me out here Is their something wrong in my
> configuration (it's always something stupid I forgot)? Is their a mythsetup
> parameter I have to think off? What CPU load do you have with watching
> LiveTV? What kind of quallity can I expect with this kind of settup? Please
> let me know if you need some more info.
>
>
>
> Regards,
>
>
>
> Rick
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