[Bug 8096] New: Bug in Sysexhandling of winealsa.drv

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=8096

           Summary: Bug in Sysexhandling of winealsa.drv
           Product: Wine
           Version: unspecified
          Platform: Other
        OS/Version: other
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: wine-multimedia
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: musical_snake at gmx.de


When adding sysex buffers using midAddBuffer, the MHDR_INQUEUE flag is not
set in the lpMidiHdr->dwFlags.
This results in reaper (www.reaper.fm) completely freezes the machine when
trying to add sysex buffers (because it apparently checks the dwFlags Field of
the buffers it tries to add and will continuously add them to the bufferlist 
until all memory is exhausted).

A fix is to add following line in
dlls/winealsa.drv/midi.c, function midAddBuffer:

EnterCriticalSection(&crit_sect);
lpMidiHdr->dwFlags |= MHDR_INQUEUE;           <<<< add this line
if (MidiInDev[wDevID].lpQueueHdr == 0) { 

Ralf

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