A stab at fmodex support on windows. To use, install 'FMOD Ex Programmers API' to its defualt program files directory, and run develop.py with -DFMODEX:BOOL=ON set. That /should/ be all it takes.

indra/newview/llstartup.cpp

@@ -43,7 +43,11 @@
 #include "llviewermedia_streamingaudio.h"
 #include "llaudioengine.h"
 
-#ifdef LL_FMOD
+#if LL_FMODEX
+# include "llaudioengine_fmodex.h"
+#endif
+
+#if LL_FMOD
 # include "llaudioengine_fmod.h"
 #endif
 
@@ -666,6 +670,17 @@ bool idle_startup()
 			}
 #endif
 
+#ifdef LL_FMODEX		
+			if (!gAudiop
+#if !LL_WINDOWS
+			    && NULL == getenv("LL_BAD_FMODEX_DRIVER")
+#endif // !LL_WINDOWS
+			    )
+			{
+				gAudiop = (LLAudioEngine *) new LLAudioEngine_FMODEX();
+			}
+#endif
+
 #ifdef LL_FMOD			
 			if (!gAudiop
 #if !LL_WINDOWS