[mythtv-users] how to use EXECTV parameters

Robin Neatherway robthebob at gmail.com
Tue Apr 17 07:49:09 UTC 2007

On 4/15/07, Robin Neatherway <robthebob at gmail.com> wrote:
> I would like to use EXECTV to access the video on demand functions of
> my set top box. However many more remote control codes are required to
> navigate the menus of the set top box, so I have decided the best way
> to do so is to use EXECTV to start a script that does the following:
> 1) Kills irexec
> 2) Starts irexec with a special config file that passes through
> control codes to the irblaster for most of the remote buttons.
> 3) Runs mplayer (or xawtv I guess) to watch /dev/ivtv (not my other
> tuner, which is hooked up to DVB)
> 4) When exit command is given, outputs a few codes to put the set top
> box back in a known state and then restarts irexec with my usual
> couple of bindings.
> 5) Back to Myth!
> The snippet below I have taken from the usual tvmenu.xml file. I do
> not quite understand how to the parameters are treated. Does Myth
> select a free tuner to pass to the program? If so, we have a problem,
> because only one tuner is applicable in this case. On the other hand,
> I have read about people using this for games, so I suppose they must
> have been able to choose a particular tuner. In that case, are the %s
> parameters replaced by hand with whatever is appropriate? This seems
> unlikely because it would be hard for Myth to know which one was being
> used, particularly as different programs (such as mplayer) have
> different ways of specifying inputs.
> Cheers for any help,
> Robin
> <!-- EXECTV sample.  %s args in order are video, audio, and vbi devices
>     <button>
>        <type>TV_PLAYBACK</type>
>        <text>Passthrough Mode</text>
>        <action>EXECTV xawtv -f -device %s -dspdev %s -vbidev %s</action>
>     </button>
> -->

Noone have any ideas?

Did I phrase my question in a bad way?

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