[mythtv-users] WAF factor just plummetted, I need to make a strange rule.

[Kevin Kuphal]

On Thu, Jan 29, 2009 at 3:31 PM, Brad Templeton
<brad+myth at templetons.com<brad%2Bmyth at templetons.com>
> wrote:

> On Thu, Jan 29, 2009 at 09:21:11AM -0400, Mark J. Small wrote:
> >
> > Hi everybody,
> >
> > Last night my wife and I sat down to watch a movie that I had recorded
> > recently.  It was Bride and Prejudice, a Bollywood version of Jane
> Austen.
> > It was on CBC (Canada eh!) at 1:00 AM sometime in the past few weeks.
> >
> > Well, the schedule information was not quite right and the recording
> stopped
> > after 2 hours.  So we missed the end of the movie.  Since this is the
> sort of
> > movie that is not likely to be carried at the corner store or the gas
> station
> > (our local DVD options), my wife was quite frustrated that we'll likely
> never
> > get to see the end of the movie.
> >
> > So I need to set a strange recording rule to make sure that this doesn't
> > happen again.  Here is what I would like.
> >
> > If I'm recording a movie
> >       If the channel goes off air after the movie
> >               Add an extra hour to the recording.
> >
> > Is there any way to create such a rule?
>
> I doubt you can do it automatically.   If you made your
> requests in another system, like from perl code, you could do
> it.
>
> My personal taste would be something grander, however.  I think,
> as long as there is disk space, and the tuner is availale (ie. there
> is not another recording it has to switch to) mythtv should _always_
> record extra on the program.  Except this "extra" should be put in
> a different file, with these files of extra video purged first when
> space is needed.
>
> Now this is easy to do on linux with the truncate() system call.
> It may be harder on some other OS, I don't know.
>
> Users could go in and use "edit" mode to discard the extra space
> right away.
>
> I think missing the ends of movies is not just a WAF thing.
> I think it's very frustrating even for the sophisticated user.
>
> I would set defaults of:
>
>    Movies:  10% of movie length
>    Sports & Live events:  30 minutes
>    General shows: 3-4 minutes -- you can effectively already do this
>    Shows before off-the-air -- 20% of program length
>
>
> This has really no downside, except that it will start truncating
> away the space in autoexpire, so would will need to check the
> recording relatively soon, and use Edit mode to apply a cutlist
> if you want to preserve beyond the official ending.   (I would
> code it so that if any cutlist is present, autoexpire would truncate
> files from the last "delete after this" cutpoint.  This would apply
> to any recording, not just ones with padding.)
>
> I would also add more forward padding too, but in this case,
> I would have the playing cursor start at the official start time,
> and let me rewind into the padding, rather than have the program
> start playing in the padding.
>
> Another SMOP I probably won't get around to doing...


Myth already does this.  At least for 1 category.  I have it record extra on
sports.  It would just need to be expanded to allow for multiple rules

Kevin
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