[MPlayer-dev-eng] Reverted patch of time-based PTS locking

[Pásztor Szilárd]

 Reimar Döffinger:
> Right, there's even a comment about that.
> But what about leaving the !mpi and only moving drop_frame?
> It's still not quite right I believe (at least for hard frame drop),
> the thing we'd really need to know is "would we get a frame if we had
> not set drop_frame".
> There is also the issue that we'd really want to fetch the PTS value
> in case of a decode error.
> So I believe that would make the "right" solution to make the change
> you tested, but also have a if (!got_frame) where we had a if (!mpi
> ...).
> Though I might be missing even more things.

 Well, I don't know of any problems with the current (that is, patched)
 state and I'm not fond of changing things that aren't necessarily
 broken. Maybe a safety approach could be to leave the other parts
 intact unless something buggy comes up?