[mythtv-users] Dual HD-PVR Channel Change Script

[Michael T. Dean]

On 06/23/2012 02:28 AM, Richard Ferrara wrote:
> Hi All,
>
> I have done a bit of searching and only found references to dual HD-PVRs and Motorola STBs via FireWire.
>
> I have one HD-PVR recording component output from my providers STB and changing channels via infrared perfectly. I would like to add another HD-PVR which will act as another tuner for the same Video Source.
>
> I have an MCEUSB IR sender, which has two IR blasters. The issue is that when I change channels MythTV only parses the channel number to the channel change script and not a tuner unique ID as well. So there is no way for the script to distinguish which transmitter irsend should transmit on.
>
> Can anyone provide some input on how to achieve this?

You specify the channel change command on the Input Connection in 
mythtv-setup.  Therefore, simply specify a different channel change 
command for each input (connected to the different STBs) such that the 
script "knows" which STB to use.

You can do this either by using a channel change command of:

/path/to/change_channel_on_first_STB
/path/to/change_channel_on_second_STB

or using arguments to the command:

/path/to/change_channel STB1
/path/to/change_channel STB2

in which case the first argument to the script will be the STB 
identifier your script understands and the second argument will be the 
channel identifier.

Mike