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winealsa: Improved handling of SysEx MIDI messages.

This commit is contained in:
Michał Wiernowolski 2007-04-24 20:47:16 +02:00 committed by Alexandre Julliard
parent 73bec11865
commit a45ffebee4
1 changed files with 11 additions and 9 deletions
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20
dlls/winealsa.drv/midi.c
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@ -351,17 +351,19 @@ static DWORD WINAPI midRecThread(LPVOID arg)
LPBYTE ptr = (BYTE*) ev->data.ext.ptr;
LPMIDIHDR lpMidiHdr;
/* FIXME: Should handle sysex greater that a single buffer */
/* FIXME: Should handle sysex greater than lpMidiHdr->dwBufferLength */
EnterCriticalSection(&crit_sect);
if ((lpMidiHdr = MidiInDev[wDevID].lpQueueHdr) != NULL) {
if (len <= lpMidiHdr->dwBufferLength) {
lpMidiHdr->dwBytesRecorded = len;
memcpy(lpMidiHdr->lpData, ptr, len);
lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
lpMidiHdr->dwFlags |= MHDR_DONE;
MidiInDev[wDevID].lpQueueHdr = (LPMIDIHDR)lpMidiHdr->lpNext;
if (MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD)lpMidiHdr, dwTime) != MMSYSERR_NOERROR)
WARN("Couldn't notify client\n");
if (lpMidiHdr->dwBytesRecorded + len <= lpMidiHdr->dwBufferLength) {
memcpy(lpMidiHdr->lpData + lpMidiHdr->dwBytesRecorded, ptr, len);
lpMidiHdr->dwBytesRecorded += len;
if (*(ptr + (len-1)) == 0xF7) {
lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
lpMidiHdr->dwFlags |= MHDR_DONE;
MidiInDev[wDevID].lpQueueHdr = (LPMIDIHDR)lpMidiHdr->lpNext;
if (MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD)lpMidiHdr, dwTime) != MMSYSERR_NOERROR)
WARN("Couldn't notify client\n");
}
} else
FIXME("No enough space in the buffer to store sysex!\n");
} else