[mythtv-users] Change channel scripts

[Mike Bennett]

On 11/04/2010 12:27 PM, Mike Bennett wrote:
> Okay I am having a weird issue with my change channel scripts. I have 
> three turners and three Comcast DTA/100's connected via IR cable from 
> the MCEUSB blasters to the IR port on the back of the DTA.
>
> I am having two different issues happening. The first issue it seems 
> that about one out of every five recordings the channel does not 
> change at all. Let me explain, the DTA will display when a button is 
> pushed to change the channel and it get recorded by myth so I can see 
> when the channel is changed because it pops up a box in the lower 
> right hand corner to display the number buttons that are being pressed 
> just like using the remote. about every fifth or sixth recording does 
> the. The second issue is only one of two channel presses shows up. Ex. 
> like if the DTA is on 7 and it then tries to change to channel 16 I 
> will only see a 1 or usually the 6 show up so of course it recorded 
> the wrong channel. This happens about the same frequency as the other 
> problem but not at the same time.
>
> I have tried to change the interdigit time between press with the same 
> result and if I invoke the change channel script manually it works 
> every time. There is no rhyme or reason when this happens, I have seen 
> it happen when there are lots of recordings close together or when 
> there is only one show being recorded at all and it happens across all 
> tuners at different times. I'm not sure which logs to look at or if it 
> is a LIRC or Mythtv issue. I hoping someone can direct me in the right 
> direction. Oh yeah I have the front IR receiver on the DTA's covered 
> so they are not getting any stray IR signals.
>
> Here is my change channel script:
>
>  #!/bin/sh
>  REMOTE_NAME=DTA
>  irsend SET_TRANSMITTERS 1
>  for digit in $(echo $1 | sed -e 's/./& /g'); do
>          irsend SEND_ONCE $REMOTE_NAME $digit
>          sleep 0.4  # note, you may have to tweak the interdigit delay 
> up a bit, depending on your STB model
>  done
>  #irsend SEND_ONCE $REMOTE_NAME OK
>  exit 0
>
Bump, anyone have any idea?

-- 
Regards,

Mike Bennett
mbppg.com