Mode "Dialogs only" sometimes get in infinite loop

[met]

I've never seen this in Chrome, but in Firefox sometimes happens. Probably when two cues follow each other very closely and Subfilter tries to seek a small amount of time in front, but Netflix seek small amout of time back (something internal in Netflix client code I assume).

[met]

I tried to solve this before by bec40d4 But it looks, that 1 seconds limit for small seeks is not enough to prevent this problem. I will try to increase the limit. Hope it is enoug. Otherwise I need to find another solution (detect automatic repeating in this mode and force continue).

[met]

Not enough. And finally i get the problem in Chrome too
https://www.netflix.com/watch/80117571 13:04
With Spanish, Polish or German subtitle (does not happen with English)

This is not blocking. If I do not find a quick solution I can make realease with this and fix it later.
Happens only sometimes in some movies and user can get over it by +10sec time seeking.