pvr: fix deadlock in TriggerEPGUpdate
dvdplayer: fix ass subs for AV_CODEC_ID_ASS after ffmpeg bump to 2.4
Merge pull request #5409 from FernetMenta/epg

pvr: fix deadlock in TriggerEPGUpdate
AE: only send resample ratio if it was changed
ActiveAE: better 2 duplicate loc than recursive locking and an addition function call, fix after d66354dccada58c5da5ff5d940cd0942b9264a64
Merge pull request #5413 from FernetMenta/ass

dvdplayer: fix ass subs for AV_CODEC_ID_ASS after ffmpeg bump to 2.4
Merge pull request #5417 from FernetMenta/aefixes

AE: optimization and fixes