[mythtv-users] HD-PVR Channel Changing Inquiry

[Johnny Walker]

On Mon, Aug 2, 2010 at 7:36 PM, Larry K <lunchtimelarry at gmail.com> wrote:
> I am successfully using firewire and the 6200ch script to change channels.
>
> On Tue, Jul 20, 2010 at 5:24 PM, Johnny Walker <johnnyjboss at gmail.com>
> wrote:
>>
>> On Sat, Jul 17, 2010 at 2:25 PM, Larry K <lunchtimelarry at gmail.com> wrote:
>> > On Sat, Jul 17, 2010 at 11:22 AM, Kenneth Emerson
>> > <kenneth.emerson at gmail.com> wrote:
>> >>
>> >>
>> >> On Sat, Jul 17, 2010 at 7:50 AM, Larry K <lunchtimelarry at gmail.com>
>> >> wrote:
>> >>>
>> >>> Since Comcast hosed pretty much all my unencrypted QAM (except the
>> >>> networks, of course), I just picked up an HD-PVR, another STB, and
>> >>> have been
>> >>> reading through all the materials I can find.
>> >>> On this wiki -> http://www.mythtv.org/wiki/Hauppauge_HD-PVR
>> >>>
>> >>> Larry:
>> >>
>> >> A lot depends on what STB Comcast gave you.
>> >
>> > I have the Motorola DCX3200 HD box.  It comes with an IR remote.
>> >
>>
>> I have this box too and I record using HD-PVR but I channel change
>> using 6200c over firewire.
>>
>> It's your MythTv install and therefore your decision.
>>
>> -JohnnyJ
>>
>> >>
>> >> People on this list seem to have had good luck using firewire to change
>> >> channels on STB's (as do I).  If your STB has a firewire port AND it is
>> >> enabled I'd suggest you look at 6200ch which AFAIK is included in the
>> >> mythtv
>> >> packages
>> >> (https://help.ubuntu.com/community/MythTV_External_Channel_Changer)
>> >> or try mythchanger (https://wiki.ubuntu.com/majoridiot).  Personally I
>> >> use
>> >> mythchanger because it produced better debug for me to understand what
>> >> was
>> >> going on when I was attempting to record over the firewire. I since
>> >> gave up
>> >> that goal and purchased an HDPVR, as you did.
>> >
>> > I guess my question is, given my STB, should I pursue channel changing
>> > with
>> > the HD-PVR builtin IR blaster, since my STB can respond to IR commands,
>> > or
>> > should I go with a channel changing script, which I assume requires a
>> > firewire connection?  It's not clear to me if the myth - HD-PVR USB
>> > connection is just to receive content, or if that is bi-directional and
>> > can
>> > support commands to the HD-PVR as well.  For instance, the HDHR I have
>> > uses
>> > the Ethernet connection bidirectionally, both to receive channel change
>> > commands, and to dump content back on the wire for myth to pick up.
>> >
>> >>
>> >> If you cannot get the firewire to work (BTW, if it has a firewire port
>> >> but
>> >> is not enabled, I'd try complaining to Comcast first) you'd have to go
>> >> the
>> >> way of an IR blaster.  There has been a lot of discussion on this list
>> >> on
>> >> getting the HD-PVR blaster to work.  You'll need to search the list.
>> >> But
>> >> firewire is the way to go if possible.  Very reliable and easy.  My
>> >> entry
>> >> for the script is:
>> >> mythchanger -c and mythtv fills in the channel.
>> >>
>> >> Good luck.
>> >>
>> >> -- Ken E.
>> >>
>> >>
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>> >>
>> >
>> >
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>> >
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>
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>

I also recommend using the '-g GUID' option since if either the STB or
your backend restart the NODE can change. The GUID will also allow you
to control 2 different STB's, should you decide to add another one
later.

One can obtain the GUID by reviewing the output of plugreport.

-JohnnyJ