mmsystem.dll16: Fix MCI_STATUS mapping for digitalvideo.

dlls/mmsystem.dll16/mci16.c

@@ -128,10 +128,21 @@ static LPWSTR MCI_strdupAtoW( LPCSTR str )
     return ret;
 }
 
+static DWORD MCI_get_device_type(UINT16 deviceId)
+{
+    MCI_GETDEVCAPS_PARMS parms;
+    MCIERROR err;
+
+    err = mciSendCommandW(deviceId, MCI_GETDEVCAPS, MCI_GETDEVCAPS_DEVICE_TYPE | MCI_WAIT, (DWORD_PTR)&parms);
+    if (err != MMSYSERR_NOERROR)
+        return MCI_DEVTYPE_OTHER;
+    return parms.dwReturn;
+}
+
 /**************************************************************************
  * 			MCI_MapMsg16To32W			[internal]
  */
-static MMSYSTEM_MapType	MCI_MapMsg16To32W(WORD wMsg, DWORD dwFlags, DWORD_PTR* lParam)
+static MMSYSTEM_MapType	MCI_MapMsg16To32W(UINT16 wDevID, WORD wMsg, DWORD dwFlags, DWORD_PTR* lParam)
 {
     if (*lParam == 0)
 	return MMSYSTEM_MAP_OK;
@@ -163,7 +174,6 @@ static MMSYSTEM_MapType	MCI_MapMsg16To32W(WORD wMsg, DWORD dwFlags, DWORD_PTR* l
 	/* case MCI_SETTIMECODE:*/
 	/* case MCI_SIGNAL:*/
     case MCI_SPIN:
-    case MCI_STATUS:		/* FIXME: is wrong for digital video */
     case MCI_STEP:
     case MCI_STOP:
 	/* case MCI_UNDO: */
@@ -192,6 +202,31 @@ static MMSYSTEM_MapType	MCI_MapMsg16To32W(WORD wMsg, DWORD dwFlags, DWORD_PTR* l
             *lParam = (DWORD)mdrp32;
         }
         return MMSYSTEM_MAP_OKMEM;
+    case MCI_STATUS:
+        {
+            if (MCI_get_device_type(wDevID) == MCI_DEVTYPE_DIGITAL_VIDEO) {
+                LPMCI_DGV_STATUS_PARMSW mdsp32w = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
+                    sizeof(LPMCI_DGV_STATUS_PARMS16) + sizeof(MCI_DGV_STATUS_PARMSW));
+                LPMCI_DGV_STATUS_PARMS16 mdsp16 = MapSL(*lParam);
+                if (mdsp32w) {
+                    *(LPMCI_DGV_STATUS_PARMS16*)(mdsp32w) = mdsp16;
+                    mdsp32w = (LPMCI_DGV_STATUS_PARMSW)((char*)mdsp32w + sizeof(LPMCI_DGV_STATUS_PARMS16));
+                    mdsp32w->dwCallback = mdsp16->dwCallback;
+                    mdsp32w->dwReturn = mdsp16->dwReturn;
+                    mdsp32w->dwItem = mdsp16->dwItem;
+                    mdsp32w->dwTrack = mdsp16->dwTrack;
+                    if (dwFlags & MCI_DGV_STATUS_DISKSPACE)
+                        mdsp32w->lpstrDrive = MCI_strdupAtoW(MapSL(mdsp16->lpstrDrive));
+                    mdsp32w->dwReference = mdsp16->dwReference;
+                    *lParam = (DWORD)mdsp32w;
+                } else {
+                    return MMSYSTEM_MAP_NOMEM;
+                }
+            } else {
+                *lParam = (DWORD)MapSL(*lParam);
+            }
+        }
+        return MMSYSTEM_MAP_OKMEM;
     case MCI_WINDOW:
         {
             LPMCI_OVLY_WINDOW_PARMSW mowp32w = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(MCI_OVLY_WINDOW_PARMSW));
@@ -359,7 +394,7 @@ static MMSYSTEM_MapType	MCI_MapMsg16To32W(WORD wMsg, DWORD dwFlags, DWORD_PTR* l
 /**************************************************************************
  * 			MCI_UnMapMsg16To32W			[internal]
  */
-static  MMSYSTEM_MapType	MCI_UnMapMsg16To32W(WORD wMsg, DWORD dwFlags, DWORD_PTR lParam)
+static  MMSYSTEM_MapType	MCI_UnMapMsg16To32W(UINT16 wDevID, WORD wMsg, DWORD dwFlags, DWORD_PTR lParam)
 {
     switch (wMsg) {
 	/* case MCI_CAPTURE */
@@ -385,7 +420,6 @@ static  MMSYSTEM_MapType	MCI_UnMapMsg16To32W(WORD wMsg, DWORD dwFlags, DWORD_PTR
 	/* case MCI_SETTIMECODE:*/
 	/* case MCI_SIGNAL:*/
     case MCI_SPIN:
-    case MCI_STATUS:
     case MCI_STEP:
     case MCI_STOP:
 	/* case MCI_UNDO: */
@@ -407,6 +441,20 @@ static  MMSYSTEM_MapType	MCI_UnMapMsg16To32W(WORD wMsg, DWORD dwFlags, DWORD_PTR
             HeapFree(GetProcessHeap(), 0, (LPVOID)lParam);
         }
         return MMSYSTEM_MAP_OK;
+    case MCI_STATUS:
+        if (lParam && MCI_get_device_type(wDevID) == MCI_DEVTYPE_DIGITAL_VIDEO) {
+            LPMCI_DGV_STATUS_PARMSW mdsp32w = (LPMCI_DGV_STATUS_PARMSW)lParam;
+            char *base = (char*)lParam - sizeof(LPMCI_DGV_STATUS_PARMS16);
+            LPMCI_DGV_STATUS_PARMS16 mdsp16 = *(LPMCI_DGV_STATUS_PARMS16*)base;
+            mdsp16->dwCallback = mdsp32w->dwCallback;
+            mdsp16->dwReturn = mdsp32w->dwReturn;
+            mdsp16->dwItem = mdsp32w->dwItem;
+            mdsp16->dwTrack = mdsp32w->dwTrack;
+            mdsp16->dwReference = mdsp32w->dwReference;
+            HeapFree(GetProcessHeap(), 0, (LPVOID)mdsp32w->lpstrDrive);
+            HeapFree(GetProcessHeap(), 0, base);
+        }
+        return MMSYSTEM_MAP_OK;
     case MCI_WINDOW:
         if (lParam) {
             LPMCI_OVLY_WINDOW_PARMSW mowp32w = (LPMCI_OVLY_WINDOW_PARMSW)lParam;
@@ -707,7 +755,7 @@ DWORD WINAPI mciSendCommand16(UINT16 wDevID, UINT16 wMsg, DWORD dwParam1, DWORD
 
 	dwRet = MCIERR_INVALID_DEVICE_ID;
 
-        switch (res = MCI_MapMsg16To32W(wMsg, dwParam1, &dwParam2)) {
+        switch (res = MCI_MapMsg16To32W(wDevID, wMsg, dwParam1, &dwParam2)) {
         case MMSYSTEM_MAP_MSGERROR:
             TRACE("%s not handled yet\n", MCI_MessageToString(wMsg));
             dwRet = MCIERR_DRIVER_INTERNAL;
@@ -720,7 +768,7 @@ DWORD WINAPI mciSendCommand16(UINT16 wDevID, UINT16 wMsg, DWORD dwParam1, DWORD
         case MMSYSTEM_MAP_OKMEM:
             dwRet = mciSendCommandW(wDevID, wMsg, dwParam1, dwParam2);
             if (res == MMSYSTEM_MAP_OKMEM)
-                MCI_UnMapMsg16To32W(wMsg, dwParam1, dwParam2);
+                MCI_UnMapMsg16To32W(wDevID, wMsg, dwParam1, dwParam2);
             break;
         }
     }