cppcheck performance fixes in addons/
Check return value
Merge pull request #5992 from tobbi/cppcheck_perf_addons
[Confluence] cosmetics
[Confluence] remove unused code
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