dvdplayer: simplify calculation of playing pts for audio
dvdplayer: sync large audio errors without playing with the clock
ffmpeg: bump to 2.5.2
ffmpeg: explicitly disable sdl
Merge pull request #6044 from FernetMenta/audio

dvdplayer: make audioplayer sync to dvdclock without changing it
Merge pull request #6062 from FernetMenta/ffmpeg

ffmpeg: bump to 2.5.2
dvdplayer: observe pts counter overflow
vdpau: advanced settings for auto deinterlacing
ActiveAE: slightly reduce buffer size
ActiveAE: add some debug logging
pthreads: use mutex protocol PTHREAD_PRIO_INHERIT
vaapi: lock gfx context on pre-cleanup
Bump xbmc-pvr-addons ref