xbmc/xbmc — comment on commit c7882c7411fcce6b30d0bc5a4445a1d8c209e45a
File:  line 0
By arnova:

It was the default Windows audio-renderer only (DirectSound?), afaik. I was the one that implemented the initial flush-fix back then and I only experienced it on Windows (not even on Xbox) and never on Linux.