[mythtv-users] MythTV works, but channels off by one, XAWTV doesn't work

[Matt Emmott]

On 9/5/06, Matt <mattiehg at gmail.com> wrote:
> Matt Emmott wrote:
>
> >Hi everybody!
> >
> >I've been battling my MythTV install for a week now, and I've almost
> >got it. However, I'm having some last minute issues with my TV tuner,
> >and I'm hoping you guys can point me in the right direction. My system
> >consists of the following:
> >
> >Fedora Core 4
> >2.6.17-1.2142_FC4 kernel
> >ASUS A7VBX-MX SE motherboard (Nforce4 chipset, I believe)
> >Hauppauge WinTV 38101 rev B426 tuner card, Conexant 878A chip
> >
> >Here's the issue: All channels in MythTV are off by one. It says I'm
> >on channel 5 when I'm on 6, etc. Running TVTime, I have no problems...
> >Channels display what they really are, and everything seems ok. Trying
> >to launce XAWTV, however, just gives me a blue screen. I've tried
> >ftvco to determine the exact configuration, but when I run it I get
> >this error:
> >
> >================================
> >ERROR: Module bttv is in use by bt878
> >FATAL: Error inserting tuner
> >(/lib/modules/2.6.17-1.2142_FC4/kernel/drivers/media/video/tuner.ko):
> >Unknown symbol in module, or unknown parameter (see dmesg)
> >trying: tuner type=0 --- bttv card=26 pll=0
> >
> >
> I'm not familiar with the ftvco script, but obviously it is trying to
> remove the bttv module and is unable to do so because of bt878.  You
> might try manually removing the bt878 module before running the script.
>
> If you still get the error regarding tuner.ko after doing that, you will
> need to check dmesg (as suggested) to get some more information.
>
>
>
> >--------------------------------------------------------------------
> >This is xawtv-3.95, running on Linux/i686 (2.6.17-1.2142_FC4)
> >================================
> >
> >...And the screen is always blue no matter what I do. Hey, that rhymed.
> >
> >My modprobe.conf looks like this:
> >
> >alias eth0 via-rhine
> >alias snd-card-0 snd-via82xx
> >options snd-card-0 index=0
> >options snd-via82xx index=0
> >remove snd-via82xx { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; }; /sbin/m
> >odprobe -r --ignore-remove snd-via82xx
> >alias char-major-81 bttv
> >alias usb-controller ehci-hcd
> >alias usb-controller1 uhci-hcd
> >
> >Finally, I set up a .xawtv file in my mythtv user's home folder with
> >the following (I'm in the US, with coax cable plugged directly into
> >the card):
> >
> >[global]
> >ratio = 4:3
> >freqtab = us-cable
> >pixsize = 320 x 240
> >pixcols = 1
> >jpeg-quality = 75
> >keypad-ntsc = no
> >keypad-partial = yes
> >osd = yes
> >#
> >[defaults]
> >norm = NTSC
> >input = television
> >capture = over
> >color = 45%
> >contrast = 42%
> >
> >
> >I'm no Linux expert when it comes to drivers and such, but I am
> >learning! I was hoping somebody could tell me what I'm missing -
> >hopefully it's just a dummy error, but I'm running out of ideas, and
> >could appreciate some help. Thanks in advance!
> >_______________________________________________
> >mythtv-users mailing list
> >mythtv-users at mythtv.org
> >http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
> >
I had to replace my Geforce card with a newer PCI card, as the
original card did not have SVideo-out. After swapping the video cards,
the channels are now displaying normally. Strange, since I never
touched the tv capture card, but it seems to now work.