[PATCH v2 0/6] MR11111: libs: FFmpeg initial import

[Alexandre Julliard (＠julliard)]

Initial subset of !10687, without any asm optimizations.

--
  v2: resampledmo: Move resampler implementation from winegstreamer.
      winegstreamer/resampler: Translate IMFTransform calls to IMediaObject.
      winegstreamer/resampler: Implement IMediaObject iface using libswresample.
      winegstreamer: Remove unnecessary resampler inline qualifiers.
      ffmpeg: Redirect av_log calls to Wine debug traces.
      libs: Import ffmpeg from upstream release 8.1.1.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/11111