[bluray][settings] Add a Blu-ray region setting and use it.
[bluray] Improve still frame handling.
[bluray] Use the region locale (country code) form the settings instead of hardcoded "us".
[win32][bluray] Update libbluray to version 0.6.2 with BD-J support.
Revert "[dvdplayer] Allow UpdateCorrection to handle audio and video jumping asynchronously"

This reverts commit 3aca282858cb6795502d2d3521f5b968123dd3df.
Revert "Merge pull request #5346 from FernetMenta/dxva"

This reverts commit b0ef3debc6c1d0379094c8c17b7b56dae707db1d, reversing
changes made to d702d5bc7b84ac71bd07102604b227732368d313.
Revert "Merge pull request #5335 from FernetMenta/dxva"

This reverts commit 399275afe4cb8750d8701541cbbecd505731d4f5, reversing
changes made to 15525e03422f65de756a086a2c4851b45b1f33f4.