vdpau: map/unmap surfaces on every cycle, requested by AMD
vdpau: Improve detection of supported files.

A minor improvement on the detection of whether or not a video will
play. It is a good idea to at least make sure that the video codec
is supported and that the resolution does not exceed the supported
resolution.
[language] add missing langinfo files after new additions
[AESink/ios] - fix drain - we need to output silence when no samples are left - else CA on iOS will repeat loop the last sample
vdpau: cosmetics
Merge pull request #4294 from FernetMenta/vdpau

vdpau fixes
Merge pull request #4303 from MartijnKaijser/timezones_fix

[language] add missing langinfo files after new additions
[DVDInputStreamNavigator] allow fallback to root menu call if title menu call fails (like VLC)
[DVDInputStreamNavigator] allow to return from "endless" loop of NOPs