ffmpeg demuxer: faster channel change for PVR addons without internal demuxing
(such as MediaPortal, ArgusTV, MythTV, NextPVR)
Credits: FernetMenta, Davilla, Popcornmix, Whaupt
DVDFactoryDemuxer: skip streaminfo for udp tcp and pvr-channels
fast channel switch, make sure extradata is decoded
ffmpeg demuxer: allow a stream change if pat/pmt was not seen on open
xbmc pr 3080
ActiveAE: add some debug logging
ffmpeg: adapt depreciated attribute max_analyze_duration
dvdplayer: rename codec ctrl flags
VAAPI: implement codec control flags