[mythtv-users] Firewire and F8

Harry Devine lifter89 at comcast.net
Wed Jun 4 12:00:41 UTC 2008

Michael Jones wrote:
> On Jun 3, 2008, at 4:10 AM, Harry Devine wrote:
>>> What happens when you go to live TV and select the firewire tuner?
>>> Select a channel in the lower ranges to start with.  There are
>>> channels that will not be available under the firewire connection.
>>> Mine (DCT-6200) automatically changes the channel over the firewire  
>>> as
>>> well, no scripts involved.
>> When I try to tune to a channel that I know is available only over
>> firewire, my STB resets (DCT-3412), almost as if I pulled the plug and
>> re-plugged it in.  Goes down hard.  I am running my frontend via an  
>> SSH
>> session since my main DLP TV is down, so I don't know if that has
>> anything to do with it.  I also can't tune the other 2 tuners either,
>> both the analog portion of my pcHD5500 (shows snow) and the digital  
>> DVB
>> portion (shows a blank screen).
>> Harry
> That's not anything like how my STB/DVR responds. If I connect to the  
> firewire tuner, the DVR either just tunes the channel, or if it was  
> powered off, it turns on and then tunes the channel.
> A reset is NOT a good sign.
> You've stumped me, hopefully someone on the list can provide some help.
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Yeah, hopefully.  I appreciate the help.  Unfortunately, it seems like 
alot of people aren't using firewire yet, so I'll have to keep trying 
different things.  In the meantime, I do have another question for you 
about this.

Under mythtv-setup for the Firewire input (I don't recall if it's under 
"Input Connections" or "Capture Cards"), I have the following entered 
for the "External Channnel Changer":  */usr/local/bin/6200ch -n 0 
%CHANID%*.  I'm using "-n 0" since my firewire is connected to node 0 
and %CHANID%, which is patterned after the parameters sent into another 
script that I use to remove commercials on recordings.

I suspect that possibly this isn't correct, and maybe that's what's 
causing the STB to reset itself.  What do you have for your channel 
changing script for your firewire card?


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