[mythtv] detecting activity - not signal. > cablebox_on.sh
mythtv at blandford.net
Mon Nov 5 21:13:26 UTC 2007
Peter Hartmann wrote:
>>> Have you had a look for discrete "on" IR codes for your cable box? You
>>> could just fire one of these on every channel change to ensure the
>>> cable box is on?
> My cable box doesn't have a discreet 'on' code. I don't get the
> feeling that they work this way in general but I only have so can't
> say for sure. But I do have script almost done that does the job.
> It's modified from a motion detection script i found. The only
> problem is that it only works if Myth is recording. Is there a way to
> call a script when you start recording a program within Mythtv? If
> not I'll have to figure out how to cat /dev/video0 > testsample.mpg
> for 5 seconds in bash. I'm not sure how to do that. I can't wait to
> gloat a little bit to my sister whose Tivo box doesn't have this
> functionality. ;)
Use something like
dd if=/dev/video0 of=testsample.mpg bs=1024 count=XXX
Adjust XXX until you get about a 5 second stream.
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