diff -ru SDL-1.2.15.orig/src/cdrom/win32/SDL_syscdrom.c SDL-1.2.15/src/cdrom/win32/SDL_syscdrom.c
--- SDL-1.2.15.orig/src/cdrom/win32/SDL_syscdrom.c	2012-01-19 07:30:06.000000000 +0100
+++ SDL-1.2.15/src/cdrom/win32/SDL_syscdrom.c	2020-09-25 13:17:09.363163539 +0200
@@ -29,6 +29,187 @@
 #include <windows.h>
 #include <mmsystem.h>
 
+/* oh dear */
+typedef UINT MCIDEVICEID;
+
+typedef struct tagMCI_PLAY_PARMS {
+    DWORD_PTR dwCallback;
+    DWORD dwFrom;
+    DWORD dwTo;
+} MCI_PLAY_PARMS,*PMCI_PLAY_PARMS,*LPMCI_PLAY_PARMS;
+
+typedef struct tagMCI_STATUS_PARMS {
+    DWORD_PTR dwCallback;
+    DWORD_PTR dwReturn;
+    DWORD dwItem;
+    DWORD dwTrack;
+} MCI_STATUS_PARMS,*PMCI_STATUS_PARMS,*LPMCI_STATUS_PARMS;
+
+typedef struct tagMCI_SET_PARMS {
+    DWORD_PTR dwCallback;
+    DWORD dwTimeFormat;
+    DWORD dwAudio;
+} MCI_SET_PARMS,*PMCI_SET_PARMS,*LPMCI_SET_PARMS;
+
+typedef struct tagMCI_OPEN_PARMSA {
+    DWORD_PTR dwCallback;
+    MCIDEVICEID wDeviceID;
+    LPCSTR lpstrDeviceType;
+    LPCSTR lpstrElementName;
+    LPCSTR lpstrAlias;
+} MCI_OPEN_PARMSA,*PMCI_OPEN_PARMSA,*LPMCI_OPEN_PARMSA;
+
+#define MCI_OPEN_PARMS MCI_OPEN_PARMSA
+
+__dllimport UINT __stdcall GetDriveTypeA (LPCSTR lpRootPathName);
+#define GetDriveType GetDriveTypeA
+
+__dllimport MCIERROR __stdcall mciSendCommandA(MCIDEVICEID mciId,UINT uMsg,DWORD_PTR dwParam1,DWORD_PTR dwParam2);
+#define mciSendCommand mciSendCommandA
+
+__dllimport BOOL __stdcall mciGetErrorStringA(MCIERROR mcierr,LPSTR pszText,UINT cchText);
+#define mciGetErrorString mciGetErrorStringA
+
+#ifndef MCI_MSF_MINUTE
+#define MCI_MSF_MINUTE(msf) ((BYTE)(msf))
+#endif
+
+#ifndef MCI_MSF_SECOND
+#define MCI_MSF_SECOND(msf) ((BYTE)(((WORD)(msf)) >> 8))
+#endif
+
+#ifndef MCI_MSF_FRAME
+#define MCI_MSF_FRAME(msf) ((BYTE)((msf)>>16))
+#endif
+
+#ifndef MCI_MAKE_MSF
+#define MCI_MAKE_MSF(m,s,f) ((DWORD)(((BYTE)(m) | ((WORD)(s)<<8)) | (((DWORD)(BYTE)(f))<<16)))
+#endif
+
+#ifndef DRIVE_CDROM
+#define DRIVE_CDROM 5
+#endif
+
+#ifndef MCI_DEVTYPE_CD_AUDIO
+#define MCI_DEVTYPE_CD_AUDIO 516
+#endif
+
+#ifndef MCI_OPEN_TYPE
+#define MCI_OPEN_TYPE (uint32_t)0x00002000
+#endif
+
+#ifndef MCI_OPEN_TYPE_ID
+#define MCI_OPEN_TYPE_ID (uint32_t)0x00001000
+#endif
+
+#ifndef MCI_OPEN_SHAREABLE
+#define MCI_OPEN_SHAREABLE (uint32_t)0x00000100
+#endif
+
+#ifndef MCI_OPEN_ELEMENT
+#define MCI_OPEN_ELEMENT (uint32_t)0x00000200
+#endif
+
+#ifndef MCI_OPEN
+#define MCI_OPEN 0x0803
+#endif
+
+#ifndef MCI_CLOSE
+#define MCI_CLOSE 0x0804
+#endif
+
+#ifndef MCI_WAIT
+#define MCI_WAIT (uint32_t)0x00000002
+#endif
+
+#ifndef MCI_SET
+#define MCI_SET 0x080D
+#endif
+
+#ifndef MCI_PLAY
+#define MCI_PLAY 0x0806
+#endif
+
+#ifndef MCI_STOP
+#define MCI_STOP 0x0808
+#endif
+
+#ifndef MCI_STATUS
+#define MCI_STATUS 0x0814
+#endif
+
+#ifndef MCI_PAUSE
+#define MCI_PAUSE 0x0809
+#endif
+
+#ifndef MCI_TO
+#define MCI_TO (uint32_t)0x00000008
+#endif
+
+#ifndef MCI_FROM
+#define MCI_FROM (uint32_t)0x00000004
+#endif
+
+#ifndef MCI_NOTIFY
+#define MCI_NOTIFY (uint32_t)0x00000001
+#endif
+
+#ifndef MCI_STATUS_POSITION
+#define MCI_STATUS_POSITION (uint32_t)0x00000002
+#endif
+
+#ifndef MCI_STATUS_ITEM
+#define MCI_STATUS_ITEM (uint32_t)0x00000100
+#endif
+
+#ifndef MCI_STATUS_MODE
+#define MCI_STATUS_MODE (uint32_t)0x00000004
+#endif
+
+#ifndef MCI_STATUS_LENGTH
+#define MCI_STATUS_LENGTH (uint32_t)0x00000001
+#endif
+
+#ifndef MCI_STATUS_NUMBER_OF_TRACKS
+#define MCI_STATUS_NUMBER_OF_TRACKS (uint32_t)0x00000003
+#endif
+
+#ifndef MCI_TRACK
+#define MCI_TRACK (uint32_t)0x00000010
+#endif
+
+#ifndef MCI_SET_DOOR_OPEN
+#define MCI_SET_DOOR_OPEN (uint32_t)0x00000100
+#endif
+
+#ifndef MCI_MODE_NOT_READY
+#define MCI_MODE_NOT_READY 524
+#endif
+
+#ifndef MCI_MODE_OPEN
+#define MCI_MODE_OPEN 530
+#endif
+
+#ifndef MCI_MODE_STOP
+#define MCI_MODE_STOP 525
+#endif
+
+#ifndef MCI_MODE_PLAY
+#define MCI_MODE_PLAY 526
+#endif
+
+#ifndef MCI_MODE_PAUSE
+#define MCI_MODE_PAUSE 529
+#endif
+
+#ifndef MCI_SET_TIME_FORMAT
+#define MCI_SET_TIME_FORMAT (uint32_t)0x00000400
+#endif
+
+#ifndef MCI_FORMAT_MSF
+#define MCI_FORMAT_MSF 2
+#endif
+
 #include "SDL_cdrom.h"
 #include "../SDL_syscdrom.h"