Update ffmpeg for mkv stack overflow fix
Expose all internal metadata through IPropertyBag
Expose rotation metadata from MP4 files
Remove a remnant of VS2012 support
Fix handling of timestamps when playing PCM with DTS-in-PCM detection
Update ToolsVersion in the project files
Support Voxware Metasound
Update ffmpeg for h264 re-init fix
Fixed a typo.
Implement IBitRateInfo

Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com>