[mythtv-users] Only first channel available, changing channel not working

greg greg12866 at nycap.rr.com
Sat Aug 30 14:42:31 UTC 2008


Brian Wood wrote:
> Dave M G wrote:
>   
>> MythTV Users,
>>
>> I've got a fairly fresh installation of the most recent Mythbuntu up and 
>> running, on a computer that has a Hauppauge PVR-150.
>>
>> I've mostly succeeded in getting broadcast television to work. When I 
>> select to watch television, I get a clear video and audio signal.
>>
>> When I try to change channels, however, the on screen display shows the 
>> number changing, but the channel does not actually change. There isn't 
>> even any kind of flicker or pause indicating any attempt to switch a 
>> channel. The only thing changing is the channel number. Other than that, 
>> it stays on the first channel.
>>
>> In the mythbackend interface, I was able to scan for channels in my area 
>> (Japan broadcast) and it seemed to have detected the 11 or so channels 
>> that should be available.
>>
>> Since MythTV seems to be detecting the channels, I'm at a loss as to 
>> what to try next in order to diagnose the problem.
>>
>> Any advice or suggestions would be most welcome.
>>     
>
> Unless your PVR is actually broken this is most likely a setup problem.
>
> See if you can change channels outside of Myth to confirm the card is
> working. If you happen to have a Windoze box you might even try the card
> under that OS.
>
> Make sure you do not have anything specified as a channel change script.
> Look at your startup log and make sure the tuner is correctly recognized
> (Hauppauge used many different tuners in the same card). Make sure you
> correctly selected the card type. Make sure you have selected the
> correct channel map (off-air, cable-std, cable-HRC etc.).
>
> Look at your logs to see if there was an error when changing channels.
> You may have to increase the log verbosity to see an error.
>
> beww
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>
>   
Along with Brian's suggestions,check to see if you selected the right 
card..It needs to be mpeg2 encoder. A lot of people make the mistake of 
making it an analog v4l capture card...
Good luck


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