[PATCH v3 0/3] MR4479: winegstreamer: Implement wg_muxer_finalize.

[Ziqing Hui (＠zhui)]

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  v3: winegstreamer: Implement wg_muxer_finalize.
      winestreamer: Implement {Begin,End}Finalize for media sink.
      winegstreamer: Avoid media sink command leaking.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/4479