[mythtv] Suggestion for improving SLOW channel changing in LiveTV.....

Hamish Moffatt hamish at cloud.net.au
Thu Sep 8 08:22:46 UTC 2005

On Thu, Sep 08, 2005 at 05:13:39PM +1000, Buzz wrote:
> We all know that channel changing in LiveTV is SLOW, because of a number of
> core features (tuning time, ring buffers, etc etc), so here's a suggestion
> for improving SLOW channel changing in LiveTV.... 
> CONCEPT: Pre-emptively tuning non-active tuner/s to a channel either side of
> the current one.... and changing channels by switching liveTV to the
> pre-tuned tuner instead of re-tuning the active tuner. (then re-tuning it
> automatically once it's non-active if required).

> 2) requires multiple ring-buffers (one for each tuner) - but I suspect that
> because of PiP, mythTV already has that?  Anyone?
> 3) requires quick-switch between ring-buffers, but again, PiP already does
> this when swapping between pictures.

Actually it doesn't - or it didn't use to. When you swap the main and
sub-pictures, it retunes both tuners.

Hamish Moffatt VK3SB <hamish at debian.org> <hamish at cloud.net.au>

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