[mythtvnz] Overlapped recordings on ivtv cards?

[Nick Rout]

On Mon, Nov 23, 2009 at 3:35 AM, Stephen Worthington
<stephen_agent at jsw.gen.nz> wrote:
> On Sun, 22 Nov 2009 23:27:59 +1000, you wrote:
>
>>2009/11/22 Stephen Worthington <stephen_agent at jsw.gen.nz>
>>
>>> I like to have 1 minute of pre-roll on some of my Sky recordings, so
>>> that I do not miss the beginnings of programs, and usually at least 1
>>> minute of post-roll too so as not to miss the endings.  That is
>>> causing problems as I only have one S-Video input from my PVR-500 ivtv
>>> card connected to my Sky decoder, and it seems that MythTV is not
>>> recording both programs when the pre/post roll causes overlapped
>>> times.
>>
>>
>>If you set the pre/post-roll in the setup (Settings -> Setup -> TV Settings
>>-> General -> General (Advance) as opposed to setting them for a specific
>>recording and two shows go head-to-toe, MythTV is cleaver enough to start
>>and stop the show on time, and not record the pre/post-roll.
>>
>>If you set the pre/post-roll for the actual recording, then MythTV will
>>enforce that the pre/post-roll be recorded, and consider it a conflict (and
>>based on your rules not record one show)
>>
>>
>>>  It would be nice if I could just get it to record two programs
>>> at the same time when there is overlap.  Is there some setup somewhere
>>> that I have missed that will make this work?  Would going into the
>>> database manually and setting the option for multirec to 2 work?
>>>
>>
>>That won't work. See below.
>>
>>
>>> I guess I could get a second SCART cable and connect the second
>>> PVR-500 tuner, since it is not used for anything, but SCART cables are
>>> expensive.  Can you get Sky to give you a second one?
>>>
>>
>>That unfortunately won't work since the Sky decoder can only show one
>>channel at a time. A second scart cable will only mean that you will one
>>show twice. The only way around this is to rent a second Sky decoder.
>>
>>  -- simon
>
> You are absolutely right, in the general case.  But what I completely
> failed to explain is that I am dealing with two programs that are back
> to back on the same Sky channel (two episodes of Mythbusters).  Since
> the channel does not have to be changed, there is no reason that
> MythTV could not record the pre- and post-roll for both programs, and
> that is exactly what happens on DVB-T with multirec enabled.  I will
> have to have a look at how multirec is implemented and see if it would
> work with an ivtv input.

multirec does not work on analogue recorders.