BTTV/BT878 Woes - The wicked Dragon rears it's Head again

kwhiskers kwhiskers at gmail.com
Thu May 5 19:05:12 UTC 2005


Anyone have any ideas?

I was using my ATI Wonder frame grabber (TV card) right up until August 
2004, under Fedora 2, without any problem. Then I moved and didn't get 
cable, upgraded to Fedora 3, and never had need of it since. Then, 2 nights 
ago, I wanted to make a copy of a videocassette and was not able to. After 
many hours of fiddling and frustration, I made the copy in Windows, by 
issuing a single one-touch recording click, to record the output of channel 
3. Nevertheless, this is something I want to solve, so as not to have to 
'resort' to measures in the future.

I believe my ATI Wonder is properly configured. I have the same modprobe 
settings as I had under FC2 and the same as listed in the kernel 
documentation. dmesg shows that the bttv is loaded as /dev/video0 and I have 
a tuner=2, also properly recognized.

Nevertheless, tvtime fails to show any display at all. In kmplayer, when I 
try to detect the device, it says no devices found. No difference if I 
manually set it to /dev/video0. I have tried to directly access channel 3, 
the one the video machine sends on, by issuing tv://3 in kplayer, mplayer, 
kmplayer, videolan to no avail. I have tried to see whether the video 
machine's channel 3 output appears on channel 3 in the television setting, 
the composite, or the other one (is it svideo, or something). None work. 
Just a blank screen.

Yet, when I use gnomemeeting or camE, I can get 'snow', like having a wrong 
channel tuned. These programs do not have tuner capabilities, so I suspect 
they might be reading what is coming off channel 1, although I could be 
wrong.

I have scoured the documentation, suspecting that something might have 
changed from FC2 => FC3, but I have everything set as in the documentation, 
as far as I can tell. I have the programs using v4l and xv, which I believe 
is the preferred way. Are there other ways? But this always worked before.
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