Two new functions DSOUND_AddBuffer and DSOUND_RemoveBuffer
have been added and the locking has been moved into these functions.
Renamed IDirectSound lock to buffer_list_lock.
Removed redundant test for IID_IDirectSoundNotify and
IID_IDirectSoundNotify8 because they are the same.
Removed check for invalid buffers on list because that shouldn't
happen anymore because of fixed 3d buffer reference counting.
Minor code cleanups.
functions to buffer components and DirectSound to allow proper
destruction even with outstanding references.
Remove trailing white space.
Add tests for proper release even with active buffers.
IDirectSound implementation.
Added proper COM behavior for QueryInterface for IDirectSound and
IDirectSound8.
Fixed a bug in the dsound.h header file for IDirectSound8
CreateSoundBuffer and DuplicateSoundBuffer.
Added new tests for proper COM behavior and enables some commented out
code for tests that work on windows. Added new tests for
IDirectSound8.