[mythtv] Couldn't find Xv support, exiting

[Karen Schulz]

When I startup mythtv, audio comes on, a black window appears and then 
disappears and the error message below appears.  XawTv works perfectly.

Any suggestions as to what I should be looking at would be appreciated?

Where I can get further error log information?

What am I doing incorrectly?

Will my hardware work with mythtv?

Thanks
Peter

$ mythtv
Probed: /dev/video - Television
Probed: /dev/video - Composite1
Probed: /dev/video - S-Video
Changing from None to WatchingLiveTV
strange error flushing buffer ...
Couldn't find Xv support, exiting

Software:
  Mandrake 9.0
  MythTV 0.7
Hardware:
  Vidiocard:
    Riva TNT2 Model 64
  Tvcard:
    ATI TV Wonder (Bt878)


$ xvinfo
X-Video Extension version 2.2
screen #0
  Adaptor #0: "video4linux"
    number of ports: 1
    port base: 55
    operations supported: PutVideo
    supported visuals:
      depth 15, visualID 0x23
      depth 15, visualID 0x24
    number of attributes: 8
      "XV_ENCODING" (range -1000 to 1000)
              client settable attribute
              client gettable attribute (current value is 0)
      "XV_BRIGHTNESS" (range -1000 to 1000)
              client settable attribute
              client gettable attribute (current value is 0)
      "XV_CONTRAST" (range -1000 to 1000)
              client settable attribute
              client gettable attribute (current value is -157)
      "XV_SATURATION" (range -1000 to 1000)
              client settable attribute
              client gettable attribute (current value is -8)
      "XV_HUE" (range -1000 to 1000)
              client settable attribute
              client gettable attribute (current value is 0)
      "XV_VOLUME" (range -1000 to 1000)
              client settable attribute
              client gettable attribute (current value is 999)
      "XV_MUTE" (range 0 to 1)
              client settable attribute
              client gettable attribute (current value is 0)
      "XV_FREQ" (range 0 to 16000)
              client settable attribute
              client gettable attribute (current value is 980)
    number of encodings: 21
      encoding ID #0: "pal-television"
        size: 768 x 576
        rate: 0.020000
      encoding ID #1: "ntsc-television"
        size: 640 x 480
        rate: 0.016683
      encoding ID #2: "secam-television"
        size: 768 x 576
        rate: 0.020000
      encoding ID #3: "palnc-television"
        size: 640 x 576
        rate: 0.020000
      encoding ID #4: "palm-television"
        size: 640 x 576
        rate: 0.020000
      encoding ID #5: "paln-television"
        size: 768 x 576
        rate: 0.020000
      encoding ID #6: "ntscjp-television"
        size: 640 x 480
        rate: 0.016683
      encoding ID #7: "pal-composite1"
        size: 768 x 576
        rate: 0.020000
      encoding ID #8: "ntsc-composite1"
        size: 640 x 480
        rate: 0.016683
      encoding ID #9: "secam-composite1"
        size: 768 x 576
        rate: 0.020000
      encoding ID #10: "palnc-composite1"
        size: 640 x 576
        rate: 0.020000
      encoding ID #11: "palm-composite1"
        size: 640 x 576
        rate: 0.020000
      encoding ID #12: "paln-composite1"
        size: 768 x 576
        rate: 0.020000
      encoding ID #13: "ntscjp-composite1"
        size: 640 x 480
        rate: 0.016683
      encoding ID #14: "pal-svideo"
        size: 768 x 576
        rate: 0.020000
      encoding ID #15: "ntsc-svideo"
        size: 640 x 480
        rate: 0.016683
      encoding ID #16: "secam-svideo"
        size: 768 x 576
        rate: 0.020000
      encoding ID #17: "palnc-svideo"
        size: 640 x 576
        rate: 0.020000
      encoding ID #18: "palm-svideo"
        size: 640 x 576
        rate: 0.020000
      encoding ID #19: "paln-svideo"
        size: 768 x 576
        rate: 0.020000
      encoding ID #20: "ntscjp-svideo"
        size: 640 x 480
        rate: 0.016683

$ vi XF86Config-4
...
Section "Module"
    Load "dbe" # Double-Buffering Extension
    Load "v4l" # Video for Linux
    Load "extmod"
    Load "type1"
    Load "freetype"
    Load "glx" # 3D layer
EndSection
...
Section "Device"
    Identifier "device1"
    VendorName "nVidia Corporation"
    BoardName "RIVA TNT2"
    Driver "nv"
    Option "DPMS"
EndSection
...






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