[Bug 50668] Submarine Titans crashes when the opening video should be played

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=50668

--- Comment #3 from Béla Gyebrószki  ---
Created attachment 69383
  --> https://bugs.winehq.org/attachment.cgi?id=69383
WINEDEBUG=+gstreamer,+quartz,+strmbase GST_DEBUG=6 against 7fa0855f

I've made another attempt at bisecting, now with
WINEDEBUG=+gstreamer,+quartz,+strmbase GST_DEBUG=6.
It seems the first commit when the 'Internal error' is shown is
commit    7fa0855fa12bd962d5decf59995fcb4485bd54a8
winegstreamer: Use struct wg_format to convert from AM_MEDIA_TYPE to GstCaps.