VMROSD: Show chapter marks on OSD seekbar.
VMROSD: Invalidate the OSD when the position is updated while the seekbar is visible.

This makes sure the user can actually see the cursor moving while playing.
VMROSD: Increase seekbar cursor accuracy.
MediaInfo: Enable image formats.
Update coverity.bat.

Redirect stdout to stderr and both to NUL for the tar check.
Update Unrar to 5.0.8.
Improve the infinite recursion detection when parsing playlists.

The parser was sometimes too strict and rejected valid playlists.
Audio Switcher: Exhibit all audio tracks available.

The "Play > Audio" menu now includes all the embedded tracks exhibited by the source filter and the external tracks.
Put LAVFilters files in a different folder when using x64.