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mmsystem: MIDIHDR.dwOffset exists since Win 32 only, not in 16 bit code.

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This commit is contained in:
Jörg Höhle 2013-02-27 18:32:17 +01:00 committed by Alexandre Julliard
parent fe7a057a32
commit 7b21da56ec
1 changed files with 14 additions and 24 deletions
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38
dlls/mmsystem.dll16/message16.c
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@ -119,13 +119,11 @@ static void MMSYSTDRV_MidiIn_MapCB(UINT uMsg, DWORD_PTR* dwUser, DW
{
LPMIDIHDR mh32 = (LPMIDIHDR)(*dwParam1);
SEGPTR segmh16 = *(SEGPTR*)((LPSTR)mh32 - sizeof(LPMIDIHDR));
LPMIDIHDR mh16 = MapSL(segmh16);
LPMIDIHDR16 mh16 = MapSL(segmh16);
*dwParam1 = (DWORD)segmh16;
mh16->dwFlags = mh32->dwFlags;
mh16->dwBytesRecorded = mh32->dwBytesRecorded;
if (mh16->reserved >= sizeof(MIDIHDR))
mh16->dwOffset = mh32->dwOffset;
}
break;
default:
@ -178,7 +176,7 @@ static MMSYSTEM_MapType MMSYSTDRV_MidiOut_Map16To32W (UINT wMsg, DWORD_PTR* lpP
case MODM_PREPARE:
{
LPMIDIHDR mh32 = HeapAlloc(GetProcessHeap(), 0, sizeof(LPMIDIHDR) + sizeof(MIDIHDR));
LPMIDIHDR mh16 = MapSL(*lpParam1);
LPMIDIHDR16 mh16 = MapSL(*lpParam1);
if (mh32) {
*(LPMIDIHDR*)mh32 = (LPMIDIHDR)*lpParam1;
@ -188,12 +186,9 @@ static MMSYSTEM_MapType MMSYSTDRV_MidiOut_Map16To32W (UINT wMsg, DWORD_PTR* lpP
mh32->dwBytesRecorded = mh16->dwBytesRecorded;
mh32->dwUser = mh16->dwUser;
mh32->dwFlags = mh16->dwFlags;
mh32->dwOffset = (*lpParam2 >= sizeof(MIDIHDR)) ? mh16->dwOffset : 0;
mh16->lpNext = mh32; /* for reuse in unprepare and write */
/* store size of passed MIDIHDR?? structure to know if dwOffset is available or not */
mh16->reserved = *lpParam2;
mh16->lpNext = (MIDIHDR16*)mh32; /* for reuse in unprepare and write */
*lpParam1 = (DWORD)mh32;
*lpParam2 = sizeof(MIDIHDR);
*lpParam2 = offsetof(MIDIHDR,dwOffset); /* old size, without dwOffset */
ret = MMSYSTEM_MAP_OKMEM;
} else {
@ -204,11 +199,11 @@ static MMSYSTEM_MapType MMSYSTDRV_MidiOut_Map16To32W (UINT wMsg, DWORD_PTR* lpP
case MODM_UNPREPARE:
case MODM_LONGDATA:
{
LPMIDIHDR mh16 = MapSL(*lpParam1);
LPMIDIHDR mh32 = mh16->lpNext;
LPMIDIHDR16 mh16 = MapSL(*lpParam1);
LPMIDIHDR mh32 = (MIDIHDR*)mh16->lpNext;
*lpParam1 = (DWORD)mh32;
*lpParam2 = sizeof(MIDIHDR);
*lpParam2 = offsetof(MIDIHDR,dwOffset);
/* dwBufferLength can be reduced between prepare & write */
if (wMsg == MODM_LONGDATA && mh32->dwBufferLength < mh16->dwBufferLength) {
ERR("Size of buffer has been increased from %d to %d, keeping initial value\n",
@ -273,12 +268,10 @@ static MMSYSTEM_MapType MMSYSTDRV_MidiOut_UnMap16To32W(UINT wMsg, DWORD_PTR* lp
case MODM_LONGDATA:
{
LPMIDIHDR mh32 = (LPMIDIHDR)(*lpParam1);
LPMIDIHDR mh16 = MapSL(*(SEGPTR*)((LPSTR)mh32 - sizeof(LPMIDIHDR)));
LPMIDIHDR16 mh16 = MapSL(*(SEGPTR*)((LPSTR)mh32 - sizeof(LPMIDIHDR)));
assert(mh16->lpNext == mh32);
assert((MIDIHDR*)mh16->lpNext == mh32);
mh16->dwFlags = mh32->dwFlags;
if (mh16->reserved >= sizeof(MIDIHDR))
mh16->dwOffset = mh32->dwOffset;
if (wMsg == MODM_UNPREPARE && fn_ret == MMSYSERR_NOERROR) {
HeapFree(GetProcessHeap(), 0, (LPSTR)mh32 - sizeof(LPMIDIHDR));
@ -307,24 +300,21 @@ static void MMSYSTDRV_MidiOut_MapCB(UINT uMsg, DWORD_PTR* dwUser, DWORD_PTR* dw
case MOM_CLOSE:
/* dwParam1 & dwParam2 are supposed to be 0, nothing to do */
break;
case MOM_POSITIONCB:
/* MIDIHDR.dwOffset exists since Win 32 only */
FIXME("MOM_POSITIONCB/MEVT_F_CALLBACK wants MIDIHDR.dwOffset in 16 bit code\n");
/* fall through */
case MOM_DONE:
{
/* initial map is: 16 => 32 */
LPMIDIHDR mh32 = (LPMIDIHDR)(*dwParam1);
SEGPTR segmh16 = *(SEGPTR*)((LPSTR)mh32 - sizeof(LPMIDIHDR));
LPMIDIHDR mh16 = MapSL(segmh16);
LPMIDIHDR16 mh16 = MapSL(segmh16);
*dwParam1 = (DWORD)segmh16;
mh16->dwFlags = mh32->dwFlags;
if (mh16->reserved >= sizeof(MIDIHDR))
mh16->dwOffset = mh32->dwOffset;
}
break;
case MOM_POSITIONCB:
FIXME("NIY\n");
/* FIXME: would require to recreate a 16bit MIDIHDR here */
*dwParam1 = *dwParam2 = 0;
break;
default:
ERR("Unknown msg %u\n", uMsg);
}