[PATCH v2 0/4] MR7538: winegstreamer: Implement type handler functions for media sink.

[Ziqing Hui (＠zhui)]

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  v2: winegstreamer: Implement stream_sink_type_handler_GetMediaTypeByIndex.
      winegstreamer: Implement stream_sink_type_handler_GetMediaTypeCount.
      winegstreamer: Implement stream_sink_type_handler_GetMajorType.
      winegstreamer: Assume stream type is always not NULL for media sink.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/7538