In the latest sdk the {waveOut,midiOut}{Get,Set}Volume functions take
a handle as the first parameter.
diff --git a/include/mmsystem.h b/include/mmsystem.h
index 8eb3848..2f5bad4 100644
--- a/include/mmsystem.h
+++ b/include/mmsystem.h
@@ -435,8 +435,8 @@
UINT WINAPI waveOutGetDevCapsA(UINT,LPWAVEOUTCAPSA,UINT);
UINT WINAPI waveOutGetDevCapsW(UINT,LPWAVEOUTCAPSW,UINT);
#define waveOutGetDevCaps WINELIB_NAME_AW(waveOutGetDevCaps)
-UINT WINAPI waveOutGetVolume(UINT,DWORD*);
-UINT WINAPI waveOutSetVolume(UINT,DWORD);
+UINT WINAPI waveOutGetVolume(HWAVEOUT,DWORD*);
+UINT WINAPI waveOutSetVolume(HWAVEOUT,DWORD);
UINT WINAPI waveOutGetErrorTextA(UINT,LPSTR,UINT);
UINT WINAPI waveOutGetErrorTextW(UINT,LPWSTR,UINT);
#define waveOutGetErrorText WINELIB_NAME_AW(waveOutGetErrorText)
@@ -637,8 +637,8 @@
UINT WINAPI midiOutGetDevCapsA(UINT,LPMIDIOUTCAPSA,UINT);
UINT WINAPI midiOutGetDevCapsW(UINT,LPMIDIOUTCAPSW,UINT);
#define midiOutGetDevCaps WINELIB_NAME_AW(midiOutGetDevCaps)
-UINT WINAPI midiOutGetVolume(UINT,DWORD*);
-UINT WINAPI midiOutSetVolume(UINT,DWORD);
+UINT WINAPI midiOutGetVolume(HMIDIOUT,DWORD*);
+UINT WINAPI midiOutSetVolume(HMIDIOUT,DWORD);
UINT WINAPI midiOutGetErrorTextA(UINT,LPSTR,UINT);
UINT WINAPI midiOutGetErrorTextW(UINT,LPWSTR,UINT);
#define midiOutGetErrorText WINELIB_NAME_AW(midiOutGetErrorText)
