[mythtv] Why do we still use MARK_GOP_START?

[Boleslaw Ciesielski]

Geoffrey Hausheer wrote:
> This means that a DVB stream which can have a variable sequence
> length could get marked as using a fixed key-frame distance if it
> happens that the first sequence has 12 or 15 frames (I think).

I can confirm that this actually happens. I had an ATSC stream that got 
indexed (very) incorrectly with MARK_GOP_START because of this (this was 
using "mythcommflag --rebuild", not during recording).

Bolek