[1/3] dsound: Add support for 32-bit IEEE float buffers

[Owen Rudge]

These patches add support to DirectSound that allow the conversion of 
32-bit IEEE float audio buffers to PCM. Some games (e.g., Call of Duty 
5) output their audio in this format, and media players such as 
foobar2000 have support for it too.

---
  dlls/dsound/dsound.c         |    2 +-
  dlls/dsound/dsound_convert.c |  113 
+++++++++++++++++++++++++++++++++++++++++-
  dlls/dsound/dsound_private.h |    2 +-
  dlls/dsound/mixer.c          |   20 +++++++-
  include/mmreg.h              |    1 +
  5 files changed, 133 insertions(+), 5 deletions(-)
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