Final Fantasy VIII does this, more or less, and needs Init to succeed.
-- v2: dmime: Return DMUS_E_AUDIOPATH_INACTIVE when audio paths are not enabled. dmime: Return DMUS_E_AUDIOPATHS_IN_USE when audio paths are in use. dmime: Initialize performance in Init rather than InitAudio. dmime: Set the port direct sound before activating it. dmime/tests: Test performance Init with a created port. dmime/tests: Move performance tests into dmime.c. dmime/tests: Remove some duplicated tests.