Sent a patch yesterday that was mediocre and barely helps.
commit https://github.com/wine-mirror/wine/commit/5144b27661fcd6705353d832e0383085f...
removed flushing from parser, which after commit bisecting turns out to be the cause of Fallout 3 radio chugging every new song.
- re-introduced parser flushing (self explanatory, commit said it's not worth it but it helps here)
- moved some variable initialization in wm_reader.c to after initial conditional returns. these were in a switch-case before in the middle of the function and it seems to be part of the stuttering, wasn't moved in the mentioned commit though
- commented out and left my name by some EOS sets. they used to be checked for EOS 'events' but those references have been changed to 'buffer' and idk what the right action is. wine seemed to randomly seg fault on exit with leaving them on though. suspect they incorrectly guess and set 'end of stream' ?