[PATCH v2 0/4] MR843: wmvcore: More wm async reader refactoring.

[Rémi Bernon]

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  v2: winegstreamer: Check for already opened stream in wm_reader_open*.
      winegstreamer: Use a dedicated CS to serialize async reader commands.
      winegstreamer: Introduce a new async_reader_deliver_sample helper.
      winegstreamer: Wake thread when async reader user clock is modified.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/843