[mythtv] Ticket #3727: Firewire channel changing does not work for Scientific Atlanta 4250HDC

[Daniel Kristjansson]

On Sun, 2007-07-29 at 18:28 -0500, Mitch Gore wrote:

> What i mean by less functionality is that before i started the ticket
> i could record via firewire, just the channel changing would work.  It
> did this when i selected SA4200 as my firewire box in
> mythtv-setup>Capture cards.   

1st/ You should not be using an external channel changing program if you
are using the firewire recorder.

2nd/ The internal channel changing behaviour in MythTV for the firewire
recorder is controlled by the selection in that combo box where you
currently have SA4250HDC selected.

I've asked you a before to try other values in this box. In particular
you need to try Generic, SA4200HD, SA4250HD, and DCT-6200. If any of
those work, again without configuring the external channel changer which
you should not be using, then I can help you. Also please try changing
to 3 digit channels, most of the channel changing code will not work
with 4 digit channels. If we can get 3 digit channel changing to work
then I can help you extend it to 4 digits. DO NOT SELECT SA4250HDC IN
THAT COMBO BOX. We do not yet support the SA4250HDC, I'm trying to help
get it supported but I do not have this STB and can not test it myself.

> Also, with the patch when i use the sa4200ch script in the contrib
> directory it acts as if it changes the channel but nothing happens on
> the STB.  
> Hope this clears it up.  Let me know if there is anything more i can
> do for testing. 

Thanks this does clear things up a little. I thought you were
not using the firewire recorder since you were using the external
channel changing scripts, which are only for when you are doing
analog captures from the STB, and because you did not test using
the internal channel changer as I requested 2 weeks ago. What
you need to do is blank the external channel changer field and
try the different internal channel changers. See my second message
on ticket #3727 and please try at least Generic, SA4200HD, 
SA4250HD, and DCT-6200 with 3 digit channel numbers.

I realize this is all a little intimidating, but I really can't do
this without your help and I will try to help you the best I can.
When we're done you'll hopefully have helped bring about MythTV
support for your STB and you will be able to return to using RPMs
for your future installs of MythTV.

-- Daniel