[linux-dvb] Channel configuration files....

Michael Krufky mkrufky at linuxtv.org
Fri Nov 7 18:21:55 CET 2008

Paul -- please see my response below.

> Paul in NW Florida
>> ----- Original Message -----
>> From: "Michael Krufky" <mkrufky at linuxtv.org>
>> To: "Paul Guzowski" <guzowskip at linuxmail.org>
>> Cc: linux-dvb at linuxtv.org
>> Subject: Re: [linux-dvb] Channel configuration files....
>> Date: Wed, 5 Nov 2008 11:41:27 -0500
>> On Wed, Nov 5, 2008 at 6:58 AM, Paul Guzowski <guzowskip at linuxmail.org> wrote:
>> > Greetings,
>> >
>> > Does anyone on this list have a sample channel.conf file for
>> > Brighthouse Networks cable or can anyone give enough information
>> > (frequencies, transponders, etc) so that I can try to build one?
>> > Thanks in advance.
>> >
>> > Paul in NW Florida
>> Paul,
>> You can use "scan" from dvb-apps, using the scan file,
>> "us-Cable-Standard-center-frequencies-QAM256" ...  If that doesn't
>> work, you can try the other QAM256 cable scan files, located in the
>> util/scan/atsc/ directory of dvb-apps.
>> Alternatively, you can use the latest version of w_scan WITHOUT any
>> scan file.  This should produce the best results.
>> The latest version of w_scan with atsc / qam scanning support can be
>> downloaded from here:
>> http://wirbel.htpc-forum.de/w_scan/w_scan-20080815.tar.bz2
>> You can scan cable using this command:
>> w_scan -A2 -X > channels.conf
>> Good luck.
>> -Mike Krufky

On Fri, Nov 7, 2008 at 9:05 AM, Paul Guzowski <guzowskip at linuxmail.org> wrote:
> Greetings Mike,
> I tried your suggestion and didn't have any success.  I know there are cable signals coming over the line because two other TVs in the house (one analog and one HDTV-capable) can tune channels.  If I connect to the RF-out from the digital set-top box, I can use mplayer tuned to channel 3 to watch TV but I'd like to be able to tune from the cable directly. Not sure what to try next.  Here's the results of my test:
> paul at Kris-desktop:/media/Data/Computer/Downloads/Linux/Multimedia/w_scan-20080815$ w_scan -a0 -X > channels.conf
> w_scan version 20080105
> -_-_-_-_ Getting frontend capabilities-_-_-_-_
> -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
> ERROR: Sorry - i couldn't get any working frequency/transponder
>  Nothing to scan!!
> dumping lists (0 services)
> Done.
> paul at Kris-desktop:/media/Data/Computer/Downloads/Linux/Multimedia/w_scan-20080815$


The policy of this mailing list, and almost all linux mailing lists,
is to enter your replies BELOW the quoted text.  Do not top-post.

Please notice above, that I instructed you to pass " -A2 -X " into the
w_scan command line.  You passed " -a0 -X " ..  The -a? and -A? are
two entirely different command line switches.  If you're trying to
scan QAM, then you must pass -A2


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