Mailing List Archive

I am also having a similar problem using the ATI TV Wonder (non VE)
card. It detects channel 2 as channel 1, and does not detect channel 3
(which I do have) but rather places it as channel 5. However, most are
1 off, and are out of tune (which can be fixed by fine tuning in
xawtv). If anyone has suggestions to fix these problems, I'd be
thankful also.

-Derek



Quoting mike wood <mike@woodsnest.com>:

> I'm all set up with myth but when I go to watch tv, the picture is
> black
> and white, and the channels are off by one....channel 30 is
> displayed,
> but channel 29 is what's actually being shown.
> I went back and ran xawtv, and got the same thing.
> I went to the archives and saw a couple people had similar
> issues...using the ATI TV Wonder VE.....which is what I'm using....
> so
> the solution seemed to be running insmod tuner type=2 and insmod bttv
> tuner=2, but I did that and it didn't fix my problem.
>
> Anyone else know what this issue might be or anything else to try?
> How
> can I tell if the tuner type has been properly set? Is there
> something
> I can look at that will tell me what type the driver is using?
>
> TIA, Mike
>
>
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users@snowman.net
> http://www.snowman.net/mailman/listinfo/mythtv-users
>
>

On Tuesday 18 March 2003 12:00 am, grozio@buffalo.edu wrote:
> I am also having a similar problem using the ATI TV Wonder (non VE)
> card. It detects channel 2 as channel 1, and does not detect channel 3
> (which I do have) but rather places it as channel 5. However, most are
> 1 off, and are out of tune (which can be fixed by fine tuning in
> xawtv). If anyone has suggestions to fix these problems, I'd be
> thankful also.

Use the right tuner type when you load the tuner/bttv modules, and the problem
will go away. If you look in the kernel logs when stuff loaded, it probably
says it detected a PAL tuner, which is obviously not what you want.

Isaac

Can you explain how to do this in greater detail? I am completely new
to linux and the experience I have gained in the last week setting up
mythTV is great. I had a bunch of problems at first, but just got sound
working OK and after I get this fixed have only a few small things left
to tweak. Thanks.

-Derek

Quoting Isaac Richards <ijr@po.cwru.edu>:

> On Tuesday 18 March 2003 12:00 am, grozio@buffalo.edu wrote:
> > I am also having a similar problem using the ATI TV Wonder (non VE)
> > card. It detects channel 2 as channel 1, and does not detect
> channel 3
> > (which I do have) but rather places it as channel 5. However, most
> are
> > 1 off, and are out of tune (which can be fixed by fine tuning in
> > xawtv). If anyone has suggestions to fix these problems, I'd be
> > thankful also.
>
> Use the right tuner type when you load the tuner/bttv modules, and
> the problem
> will go away. If you look in the kernel logs when stuff loaded, it
> probably
> says it detected a PAL tuner, which is obviously not what you want.
>
> Isaac
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users@snowman.net
> http://www.snowman.net/mailman/listinfo/mythtv-users
>
>

grozio@buffalo.edu wrote:
> Can you explain how to do this in greater detail? I am completely new
> to linux and the experience I have gained in the last week setting up
> mythTV is great. I had a bunch of problems at first, but just got sound
> working OK and after I get this fixed have only a few small things left
> to tweak. Thanks.

The short answer is to add these lines to /etc/modules.conf

options bttv tuner=2
options tuner type=2

There is more information about the bttv driver with the
kernel source in /usr/src/linux/Documentation/video4linux/bttv

If you don't have this or need more information:

http://bytesex.org/bttv/

Hope this helps,

-- bjm

Mike-

Here's the appropriate line from my /etc/modules.conf:

options bttv radio=0 card=64 tuner=2 gbuffers=4

This was generated by Mandrake 9.0's setup program (as in installation of
the OS), although I did go in during setup, and make sure it had the right
tuner and capture chip type, etc. Yes, I'm using an ATI TV-Wonder VE, and
the only problems I'm having are vertical lines of fuzz on the higher
channels (> 60), which I'm thinking might be caused by a bad coax, but I
haven't had time to run it down.

Hope that helps.

-Jeff



mike wood
<mike@woodsnest.com> To: Discussion about mythtv <mythtv-users@snowman.net>
Sent by: cc:
mythtv-users-bounces@s Subject: [mythtv-users] B&W Picture and Channels off....
nowman.net


03/17/2003 10:54 PM
Please respond to
Discussion about
mythtv






I'm all set up with myth but when I go to watch tv, the picture is black
and white, and the channels are off by one....channel 30 is displayed,
but channel 29 is what's actually being shown.
I went back and ran xawtv, and got the same thing.
I went to the archives and saw a couple people had similar
issues...using the ATI TV Wonder VE.....which is what I'm using.... so
the solution seemed to be running insmod tuner type=2 and insmod bttv
tuner=2, but I did that and it didn't fix my problem.

Anyone else know what this issue might be or anything else to try? How
can I tell if the tuner type has been properly set? Is there something
I can look at that will tell me what type the driver is using?

TIA, Mike



_______________________________________________
mythtv-users mailing list
mythtv-users@snowman.net
http://www.snowman.net/mailman/listinfo/mythtv-users

>From: Bruce Markey
>Subject: Re: [mythtv-users] B&W Picture and Channels off....
>
>grozio@buffalo.edu wrote:
>> Can you explain how to do this in greater detail? I am completely new
>> to linux and the experience I have gained in the last week setting up
>> mythTV is great. I had a bunch of problems at first, but just got sound
>> working OK and after I get this fixed have only a few small things left
>> to tweak. Thanks.
>
>The short answer is to add these lines to /etc/modules.conf
>
>options bttv tuner=2
>options tuner type=2
>
>There is more information about the bttv driver with the
>kernel source in /usr/src/linux/Documentation/video4linux/bttv

It seems to me that this card has changed over time I used the following to
get it right for my ATI TV Wonder VE:

options bttv card=1 autoload=0
post-install bttv insmod tuner type=17

That fixed my problem that was exactly as you described..

...Kevin


-------------------------------------------------
This mail sent through IMP: http://horde.org/imp/

Try a different cable choice if nothing else works. I'm in California but
ca-cable does something like you are describing. By trial and error I
chose Canada cable and it worked perfectly.

I have a VE as well and I ended up using:

options bttv card=64 autoload=0 radio=0
post-install bttv insmod tuner type=17

to get my card working correctly.


Hope that helps,
Rob


On Tue, 18 Mar 2003 12:41:05 -0500, Kevin J. Slater wrote
> >From: Bruce Markey
> >Subject: Re: [mythtv-users] B&W Picture and Channels off....
> >
> >grozio@buffalo.edu wrote:
> >> Can you explain how to do this in greater detail? I am completely
new
> >> to linux and the experience I have gained in the last week setting
up
> >> mythTV is great. I had a bunch of problems at first, but just got
sound
> >> working OK and after I get this fixed have only a few small things
left
> >> to tweak. Thanks.
> >
> >The short answer is to add these lines to /etc/modules.conf
> >
> >options bttv tuner=2
> >options tuner type=2
> >
> >There is more information about the bttv driver with the
> >kernel source in /usr/src/linux/Documentation/video4linux/bttv
>
> It seems to me that this card has changed over time I used the
> following to get it right for my ATI TV Wonder VE:
>
> options bttv card=1 autoload=0
> post-install bttv insmod tuner type=17
>
> That fixed my problem that was exactly as you described..
>
> ...Kevin
>
> -------------------------------------------------
> This mail sent through IMP: http://horde.org/imp/
> _______________________________________________
> mythtv-users mailing list
> mythtv-users@snowman.net
> http://www.snowman.net/mailman/listinfo/mythtv-users

Thanks for the info! I tried it out and it fixed the problem. us-cable
was trying to scan a bunch of off frequencies and jumping around.
canada-cable worked great. In case anyone needs this, the cable
company I have is Adelphia. Thanks again.

-Derek


Quoting listman@depfyffer.com:

> Try a different cable choice if nothing else works. I'm in California
> but
> ca-cable does something like you are describing. By trial and error I
> chose Canada cable and it worked perfectly.
>
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users@snowman.net
> http://www.snowman.net/mailman/listinfo/mythtv-users
>
>

On Tuesday 18 March 2003 11:24 pm, grozio@buffalo.edu wrote:
> Thanks for the info! I tried it out and it fixed the problem. us-cable
> was trying to scan a bunch of off frequencies and jumping around.
> canada-cable worked great. In case anyone needs this, the cable
> company I have is Adelphia. Thanks again.

If canada-cable works better than us-cable, then you're using the wrong tuner
type when you load the tuner and bttv modules.

Isaac

I am using tuner type = "2" and have a ATI TV Wonder card. It worked
perfectly with canada_cable so I dont know what tuner type I could use
to get it to work with us_cable. Just FYI I am right across the border
from canada, do not know if the systems are different here. Thanks.

-Derek

Quoting Isaac Richards <ijr@po.cwru.edu>:

> On Tuesday 18 March 2003 11:24 pm, grozio@buffalo.edu wrote:
> > Thanks for the info! I tried it out and it fixed the problem.
> us-cable
> > was trying to scan a bunch of off frequencies and jumping around.
> > canada-cable worked great. In case anyone needs this, the cable
> > company I have is Adelphia. Thanks again.
>
> If canada-cable works better than us-cable, then you're using the
> wrong tuner
> type when you load the tuner and bttv modules.
>
> Isaac
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users@snowman.net
> http://www.snowman.net/mailman/listinfo/mythtv-users
>
>

On Tuesday 18 March 2003 11:56 pm, grozio@buffalo.edu wrote:
> I am using tuner type = "2" and have a ATI TV Wonder card. It worked
> perfectly with canada_cable so I dont know what tuner type I could use
> to get it to work with us_cable. Just FYI I am right across the border
> from canada, do not know if the systems are different here. Thanks.

Whatever. There's no such thing as the canada-cable frequency table in use on
a real TV system. All that it means is that you're using the wrong tuner
type.

Isaac

Am I using the wrong tuner for the ATI TV wonder with bttv? I know it
has a bt868 chip in it. I did not see that in the bttv list and do not
know what it is equivalent to. How would I find that out? Thx.

-Derek

Quoting Isaac Richards <ijr@po.cwru.edu>:

> On Tuesday 18 March 2003 11:56 pm, grozio@buffalo.edu wrote:
> > I am using tuner type = "2" and have a ATI TV Wonder card. It
> worked
> > perfectly with canada_cable so I dont know what tuner type I could
> use
> > to get it to work with us_cable. Just FYI I am right across the
> border
> > from canada, do not know if the systems are different here. Thanks.
>
> Whatever. There's no such thing as the canada-cable frequency table
> in use on
> a real TV system. All that it means is that you're using the wrong
> tuner
> type.
>
> Isaac
> _______________________________________________
> mythtv-users mailing list
> mythtv-users@snowman.net
> http://www.snowman.net/mailman/listinfo/mythtv-users
>
>

At 12:14 AM 3/19/2003 -0500, grozio@buffalo.edu wrote:
>Am I using the wrong tuner for the ATI TV wonder with bttv? I know it
>has a bt868 chip in it. I did not see that in the bttv list and do not
>know what it is equivalent to. How would I find that out? Thx.

I don't know the answer, but I do know that you are asking the wrong
question. You are mixing up card type and tuner type.

Capture chips like the bt848 and bt878 help to define the card type. I'm
guessing that your "ATI TV wonder" is card type 63 (or possibly 64). The
bttv module can often identify the card type without any help from you; see
what messages from it are in dmesg to check.

Tuner type identifies the chip used to make frequency selections. For a
list of them, and the associated tuner types, refer to (assuming you have
kernel source installed in the usual place) --

/usr/src/linux/Documentation/video4linux/bttv/CARDLIST

The tuner.o module also often detects the tuner type correctly, without any
help from you. I don't know if that works with whichever ATI card you are
using, though. If not, this list is where you need to start.

Isaac Richards wrote:

>Whatever. There's no such thing as the canada-cable frequency table in use on a real TV system. All that it means is that you're using the wrong tuner type.
>
Weird, 'cause on my system using us-cable results in totally bizarre
tuning, and using canada-cable results in pretty good tuning. I am in
Canada. :) However, the tuning under linux using canada-cable is
noticeably noisier than the tuning under windows, so it could just be a
tuner type issue. I guess I'll have to go digging through kernel docs. :)

Graeme

Unit3 wrote:

> Isaac Richards wrote:
>
>> Whatever. There's no such thing as the canada-cable frequency table
>> in use on a real TV system. All that it means is that you're using
>> the wrong tuner type.
>>
> Weird, 'cause on my system using us-cable results in totally bizarre
> tuning, and using canada-cable results in pretty good tuning. I am in
> Canada. :) However, the tuning under linux using canada-cable is
> noticeably noisier than the tuning under windows, so it could just be
> a tuner type issue. I guess I'll have to go digging through kernel
> docs. :)

Have you tried us-cable-hrc? us-cable was entirely off for me, but
us-cable-hrc is dead on.

Woogie

At 07:24 AM 3/19/2003 -0600, Unit3 wrote:
>Isaac Richards wrote:
>
>>Whatever. There's no such thing as the canada-cable frequency table in
>>use on a real TV system. All that it means is that you're using the
>>wrong tuner type.
>Weird, 'cause on my system using us-cable results in totally bizarre
>tuning, and using canada-cable results in pretty good tuning. I am in
>Canada. :) However, the tuning under linux using canada-cable is
>noticeably noisier than the tuning under windows, so it could just be a
>tuner type issue. I guess I'll have to go digging through kernel docs. :)

Here is the USA, it's more common for cable systems to use us-cable-hrc
(ntsc-hrc) than us-cable (ntsc-cable). In looking at the actual frequencies
involved (the xawtv docs include listings), ntsc-cable-ca is a lot closer
to ntsc-hrc than it is to ntsc-cable (though it's far from identical). I
don't know what you are seeing that you call "noticeably noisier", but I
wonder if you are trying to tune the hrc range using the Canada settings
and getting near-misses. If so, you might try ntsc-hrc. The same suggestion
*may* apply to the original poster in this thread, depending on which US
setting he's been trying.