1//////////////////////////////
2//
3// playPacketOnAllDevices -- play the list of MIDI packets
4//    on all MIDI output devices which the computer knows about.
5//    (Send the MIDI message(s) to all MIDI out ports).
6//
7
8void playPacketListOnAllDevices(MIDIPortRef midiout, 
9      const MIDIPacketList* pktlist) {
10   // send MIDI message to all MIDI output devices connected to computer:
11   ItemCount nDests = MIDIGetNumberOfDestinations();
12   ItemCount iDest;
13   OSStatus status;
14   MIDIEndpointRef dest;
15   for(iDest=0; iDest<nDests; iDest++) {
16      dest = MIDIGetDestination(iDest);
17      if (status = MIDISend(midiout, dest, pktlist)) {
18          printf("Problem sendint MIDI data on port %d\n", iDest);
19          printf("%s\n", GetMacOSStatusErrorString(status));
20          exit(status);
21      }
22   }
23}