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Added callback mechanisms for MIDI IN.

This commit is contained in:
Eric Pouech 1999-12-05 02:17:40 +00:00 committed by Alexandre Julliard
parent ba42b262d1
commit aa5f5a3244
1 changed files with 38 additions and 1 deletions
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39
dlls/winmm/lolvldrv.c
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@ -340,7 +340,44 @@ static void CALLBACK MMDRV_MidiIn_Callback(HDRVR hDev, UINT uMsg, DWORD dwInstan
{
LPWINE_MLD mld = (LPWINE_MLD)dwInstance;
FIXME("NIY\n");
switch (uMsg) {
case MIM_OPEN:
case MIM_CLOSE:
/* dwParam1 & dwParam2 are supposed to be 0, nothing to do */
case MIM_DATA:
case MIM_MOREDATA:
case MIM_ERROR:
/* dwParam1 & dwParam2 are are data, nothing to do */
break;
case MIM_LONGDATA:
case MIM_LONGERROR:
/* dwParam1 points to a MidiHdr, work to be done !!! */
if (mld->bFrom32 && !MMDrvs[mld->mmdIndex].bIs32) {
/* initial map is: 32 => 16 */
LPMIDIHDR wh16 = (LPMIDIHDR)PTR_SEG_TO_LIN(dwParam1);
LPMIDIHDR wh32 = *(LPMIDIHDR*)((LPSTR)wh16 - sizeof(LPMIDIHDR));
dwParam1 = (DWORD)wh32;
wh32->dwFlags = wh16->dwFlags;
wh32->dwBytesRecorded = wh16->dwBytesRecorded;
} else if (!mld->bFrom32 && MMDrvs[mld->mmdIndex].bIs32) {
/* initial map is: 16 => 32 */
LPMIDIHDR wh32 = (LPMIDIHDR)(dwParam1);
LPMIDIHDR segwh16 = *(LPMIDIHDR*)((LPSTR)wh32 - sizeof(LPMIDIHDR));
LPMIDIHDR wh16 = PTR_SEG_TO_LIN(segwh16);
dwParam1 = (DWORD)segwh16;
wh16->dwFlags = wh32->dwFlags;
wh16->dwBytesRecorded = wh32->dwBytesRecorded;
}
/* else { 16 => 16 or 32 => 32, nothing to do, same struct is kept }*/
break;
/* case MOM_POSITIONCB: */
default:
ERR("Unknown msg %u\n", uMsg);
}
MMDRV_Callback(mld, hDev, uMsg, dwParam1, dwParam2);
}