https://bugs.winehq.org/show_bug.cgi?id=44489
--- Comment #2 from Aexander kq3thih@mailnesia.com --- (In reply to Zebediah Figura from comment #1)
Close enough—the problem is that ICInfo() doesn't actually return a proper type fourcc. I've submitted a patch.
Great, thanks. I can confirm with patch https://source.winehq.org/patches/data/141524 applied Zwei properly detects the codec and plays the videos. Though distorted, bug 44490.