[mythtv-users] Stepper Directed HDTV Antenna

[Raymond Wagner]

On 2/8/2011 19:59, Joseph Fry wrote:
>
>
> On Wed, Jan 26, 2011 at 4:27 PM, Raymond Wagner <raymond at wagnerrp.com 
> <mailto:raymond at wagnerrp.com>> wrote:
>
>     On 1/26/2011 16:06, Simon Hobson wrote:
>
>         Erik Hovland wrote:
>
>             http://hackaday.com/2011/01/26/stepper-directed-hdtv-antenna/
>
>             The last sentence in the paragraph throws down the gauntlet:
>             What we would like to see is this antenna attached to a HTPC,
>             and some kind of script to automatically direct the antenna
>             for the best possible signal for the current channel.
>
>
>         I couldn't quite make out what they are doing here. Are they
>         a) moving the antenna to use different transmitters for
>         different channels, or b) moving it about to get the best
>         signal from a specific transmitter.
>
>
>     This is for the former.  You have stations in multiple directions,
>     and you want to record off all of them.  This cannot be done
>     reliably without altering the code.  You would need the backend to
>     support channel changing scripts for digital tuners, to get the
>     rotor in place before trying to tune.  You probably could do
>     something with the system event scripts, having mythbackend call a
>     script on recording start, but you're likely to run into timing
>     issues.
>
>
> This reminds me of something I thought about a long while back.  What 
> about a "script" tuner type.  I can't imagine it would be that hard to 
> create another tuner type that would simply allow you to specify a 
> script to run whenever that tuner was used.  This script tuner would 
> be supplied with a variety of variables whenever it was called, most 
> importantly: target path, target filename, channel, and end time or 
> duration.
>
> Once mythtv kicks off the script it can either just ignore it and 
> assume its doing it's thing.  Optionally the script could notify 
> mythtv of status changes (started, in progress, complete, failed)... 
> but it's really not necessary.  The worst thing that would happen is 
> that the frontend would say that the recording could not be found.

That sounds like the import recorder.
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