https://bugs.winehq.org/show_bug.cgi?id=49456
--- Comment #7 from Lunknown SolisX007@yahoo.com --- This is still an issue on wine-6.0rc1. I did see this message in the terminal.
0024:fixme:gstreamer:mpeg_splitter_sink_query_accept Unsupported subtype {e436eb84-524f-11ce-9f53-0020af0ba770}. 0024:fixme:gstreamer:mpeg_splitter_sink_query_accept Unsupported subtype {e436eb84-524f-11ce-9f53-0020af0ba770}. 0024:err:winediag:MIDIMAP_drvOpen No software synthesizer midi port found, Midi sound output probably won't work. 0024:fixme:gstreamer:mpeg_splitter_sink_query_accept Unsupported subtype {e436eb84-524f-11ce-9f53-0020af0ba770}. 0024:fixme:gstreamer:mpeg_splitter_sink_query_accept Unsupported subtype {e436eb84-524f-11ce-9f53-0020af0ba770}.
This was tested in clean wine prefix.