- Moved the identical code between the MUS and MIDI streamers into a new base

class so they all the low-level details of MIDI streaming are kept in
  one place.
- Converted the SMF MIDI playback to use the same MIDI streams as MUS
  playback.
- Moved MUS playback back into its own thread so that it can continue
  uninterrupted if the main thread is too busy to service it in a timely
  manner.
- Fixed: The MEVT_* values are not defined shifted into their spot for a
  MIDIEVENT, so I need to do it myself.
- Fixed: Pausing a MUS and the changing snd_midivolume caused the paused
  notes to become audible.


SVN r784 (trunk)

src/win32/i_input.cpp

@@ -95,7 +95,6 @@
 #include "gameconfigfile.h"
 #include "win32iface.h"
 #include "templates.h"
-#include "i_musicinterns.h"
 
 #define DINPUT_BUFFERSIZE	32
 
@@ -110,7 +109,6 @@ BOOL DI_InitJoy (void);
 
 extern HINSTANCE g_hInst;
 extern DWORD SessionID;
-extern HANDLE MusicEvent;
 
 extern void ShowEAXEditor ();
 extern bool SpawnEAXWindow;
@@ -1931,23 +1929,7 @@ void I_GetEvent ()
 
 	// Briefly enter an alertable state so that if a secondary thread
 	// crashed, we will execute the APC it sent now.
-	if (MusicEvent != NULL)
-	{
-		DWORD res;
-		do
-		{
-			res = WaitForSingleObjectEx(MusicEvent, 0, TRUE);
-		}
-		while (res == WAIT_IO_COMPLETION);
-		if (res == WAIT_OBJECT_0 && currSong != NULL)
-		{
-			currSong->ServiceEvent();
-		}
-	}
-	else
-	{
-		SleepEx (0, TRUE);
-	}
+	SleepEx (0, TRUE);
 
 	while (PeekMessage (&mess, NULL, 0, 0, PM_REMOVE))
 	{