[mythtv-users] Specific question about LiveTV in 0.19 with direct input sources

[Steven Adeff]

On 2/2/06, Nick <knowledgejunkie at gmail.com> wrote:
> I don't ask too many questions here, but hopefully someone using SVN
> and an externally controlled source for LiveTV (e.g. cable box with IR
> transmitter) can give me a definitive answer to my query below. I've
> briefly checked tickets on CVS (livetv tuner) but didn't see anything
> obvious.
>
> I currently use 0.18.1 with DVB, analogue and direct input sources
> from my dig cable boxes. When watching LiveTV, the last tuned channel
> is determined by looking in the DB. This is used to either tune the
> cards (DVB/analogue) and/or display the correct OSD information when
> starting LiveTV.
>
> In the case of an externally-controlled source however, no tuning
> takes place when LiveTV is fired up, until another channel is tuned to
> -  even though it is entirely reasonable to assume that the cable box
> may have been changed to another channel outside of MythTV - this is
> the crux of the potential problem as I see it.
>
> If I understand the new LiveTV behaviour in the soon to be released
> 0.19, each program that is watched in LiveTV will be stored both in
> the filesystem and in the database as a separate entry. This could
> mean that both the OSD info displayed when entering LiveTV could be
> wrong, and filename/recordings could be mislabeled.
>
> Does the current 0.19 codeset include changes that ensure that for
> externally-controlled sources, tuning to the stored startchan occurs
> when LiveTV is fired up, to ensure that the EPG is correct and that
> MythTV is displaying the channel it thinks it is?
>
> As I mentioned above, for DVB (on-demand), this must happen
> automatically, but it seems to me that it should also happen for
> direct input sources to make sure everything matches.
>
> I'm pretty sure that recordings are immune to this problem as tuning
> occurs irrespective of the value of startchan for the card input being
> used.
>
> Thanks to anyone who can provide clarification (if it is an issue it'd
> be great to see it in a release). If it's already in the 0.19 code,
> thanks for putting my mind at ease.

When going into LiveTV, if your cable box is the tuner being used,
MythTV will change the channel on the cable box to the channel that it
should be on.
--
Steve