[PATCH v3 0/3] MR3737: winegstreamer: Implement wg_muxer.

[Ziqing Hui (＠zhui)]

This patch set is part of !3303

--
  v3: winegstreamer: Create wg_muxer for media sink.
      winegstreamer: Implement seeking query for wg_muxer sink pad.
      winegstreamer: Introduce new wg_muxer struct.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/3737