https://bugs.winehq.org/show_bug.cgi?id=46392
--- Comment #3 from Bartosz gang65@poczta.onet.pl --- Generally movies was working with native (Windows) quartz.dll and amstream.dll libraries, under 1.8.2. See comment:
https://appdb.winehq.org/objectManager.php?sClass=version&iId=261
an in bug report: https://bugs.winehq.org/show_bug.cgi?id=26262#c22
Unfortunately there is regression (most propably in gstreamer), which is causing application freeze with native (Windows) quartz.dll (and movies are not working at all).
I checked your patch, and the game is not freezing. Unfortunately videos are not playing.