Hi,
I have a Matrox Parhelia video card, and a Hauppauge WinTV Stereo (if
memory serves) - both of which support XV. I run my system @ 3840x1024
(ie. 1280x1024 across 3 monitors, merged into one buffer), though I
doubt that makes a difference.
Whenever I try to run mythfrontend and watch TV, without setting the
NO_XV environment variable beforehand, I get no video, MythTV shows me
this:
2005-01-28 01:24:11 Using XV port 57
X Error: BadMatch (invalid parameter attributes) 8
Major opcode: 140
Minor opcode: 14
Resource id: 0x1aa
Couldn't get the color key color, and we need it.
You likely won't get any video.
However xawtv and mplayer both display fine using XV - so I think
something is slightly broken in MythTV's XV support.
In case it will help, here is the results of my 'xvinfo':
X-Video Extension version 2.2
screen #0
Adaptor #0: "video4linux"
number of ports: 1
port base: 56
operations supported: PutVideo
supported visuals:
depth 24, visualID 0x22
depth 24, visualID 0x23
depth 24, visualID 0x24
depth 24, visualID 0x25
number of attributes: 8
"XV_ENCODING" (range -1000 to 1000)
client settable attribute
client gettable attribute (current value is 1)
"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 0)
"XV_SATURATION" (range -1000 to 1000)
client settable attribute
client gettable attribute (current value is 0)
"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 799)
"XV_MUTE" (range 0 to 1)
client settable attribute
client gettable attribute (current value is 1)
"XV_FREQ" (range 0 to 16000)
client settable attribute
client gettable attribute (current value is 7700)
number of encodings: 28
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: "PAL-Nc-television"
size: 640 x 576
rate: 0.020000
encoding ID #4: "PAL-M-television"
size: 640 x 576
rate: 0.020000
encoding ID #5: "PAL-N-television"
size: 768 x 576
rate: 0.020000
encoding ID #6: "NTSC-JP-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: "PAL-Nc-composite1"
size: 640 x 576
rate: 0.020000
encoding ID #11: "PAL-M-composite1"
size: 640 x 576
rate: 0.020000
encoding ID #12: "PAL-N-composite1"
size: 768 x 576
rate: 0.020000
encoding ID #13: "NTSC-JP-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: "PAL-Nc-svideo"
size: 640 x 576
rate: 0.020000
encoding ID #18: "PAL-M-svideo"
size: 640 x 576
rate: 0.020000
encoding ID #19: "PAL-N-svideo"
size: 768 x 576
rate: 0.020000
encoding ID #20: "NTSC-JP-svideo"
size: 640 x 480
rate: 0.016683
encoding ID #21: "PAL-composite3"
size: 768 x 576
rate: 0.020000
encoding ID #22: "NTSC-composite3"
size: 640 x 480
rate: 0.016683
encoding ID #23: "SECAM-composite3"
size: 768 x 576
rate: 0.020000
encoding ID #24: "PAL-Nc-composite3"
size: 640 x 576
rate: 0.020000
encoding ID #25: "PAL-M-composite3"
size: 640 x 576
rate: 0.020000
encoding ID #26: "PAL-N-composite3"
size: 768 x 576
rate: 0.020000
encoding ID #27: "NTSC-JP-composite3"
size: 640 x 480
rate: 0.016683
Adaptor #1: "Matrox Parhelia"
number of ports: 5
port base: 57
operations supported: PutImage
supported visuals:
depth 24, visualID 0x22
depth 24, visualID 0x23
depth 24, visualID 0x24
depth 24, visualID 0x25
number of attributes: 4
"XV_BRIGHTNESS" (range -128 to 127)
client settable attribute
client gettable attribute (current value is 0)
"XV_CONTRAST" (range -128 to 127)
client settable attribute
client gettable attribute (current value is 0)
"XV_HUE" (range -128 to 127)
client settable attribute
client gettable attribute (current value is -128)
"XV_SATURATION" (range -128 to 127)
client settable attribute
client gettable attribute (current value is 0)
maximum XvImage size: 2048 x 2048
Number of image formats: 4
id: 0x32595559 (YUY2)
guid: 59555932-0000-0010-8000-00aa00389b71
bits per pixel: 16
number of planes: 1
type: YUV (packed)
id: 0x32315659 (YV12)
guid: 59563132-0000-0010-8000-00aa00389b71
bits per pixel: 12
number of planes: 3
type: YUV (planar)
id: 0x30323449 (I420)
guid: 49343230-0000-0010-8000-00aa00389b71
bits per pixel: 12
number of planes: 3
type: YUV (planar)
id: 0x59565955 (UYVY)
guid: 55595659-0000-0010-8000-00aa00389b71
bits per pixel: 16
number of planes: 1
type: YUV (packed)
Hope this will help you fix it :)
PreZ :)
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