Sequencer: give SysEx events have highest priority while re-ordering

1 files changed, 32 insertions, 9 deletions

diff --git a/src/midi_sequencer_impl.hpp b/src/midi_sequencer_impl.hpp
index 92be133..0e71c2a 100644
--- a/src/midi_sequencer_impl.hpp
+++ b/src/midi_sequencer_impl.hpp
@@ -160,31 +160,48 @@ void BW_MidiSequencer::MidiTrackRow::clear()
 void BW_MidiSequencer::MidiTrackRow::sortEvents(bool *noteStates)
 {
     typedef std::vector<MidiEvent> EvtArr;
+    EvtArr sysEx;
     EvtArr metas;
     EvtArr noteOffs;
     EvtArr controllers;
     EvtArr anyOther;
 
-    metas.reserve(events.size());
-    noteOffs.reserve(events.size());
-    controllers.reserve(events.size());
-    anyOther.reserve(events.size());
-
     for(size_t i = 0; i < events.size(); i++)
     {
         if(events[i].type == MidiEvent::T_NOTEOFF)
+        {
+            if(noteOffs.capacity() == 0)
+                noteOffs.reserve(events.size());
             noteOffs.push_back(events[i]);
+        }
+        else if(events[i].type == MidiEvent::T_SYSEX ||
+                events[i].type == MidiEvent::T_SYSEX2)
+        {
+            if(sysEx.capacity() == 0)
+                sysEx.reserve(events.size());
+            sysEx.push_back(events[i]);
+        }
         else if((events[i].type == MidiEvent::T_CTRLCHANGE)
                 || (events[i].type == MidiEvent::T_PATCHCHANGE)
                 || (events[i].type == MidiEvent::T_WHEEL)
                 || (events[i].type == MidiEvent::T_CHANAFTTOUCH))
         {
+            if(controllers.capacity() == 0)
+                controllers.reserve(events.size());
             controllers.push_back(events[i]);
         }
         else if((events[i].type == MidiEvent::T_SPECIAL) && (events[i].subtype == MidiEvent::ST_MARKER))
+        {
+            if(metas.capacity() == 0)
+                metas.reserve(events.size());
             metas.push_back(events[i]);
+        }
         else
+        {
+            if(anyOther.capacity() == 0)
+                anyOther.reserve(events.size());
             anyOther.push_back(events[i]);
+        }
     }
 
     /*
@@ -246,10 +263,16 @@ void BW_MidiSequencer::MidiTrackRow::sortEvents(bool *noteStates)
     /***********************************************************************************/
 
     events.clear();
-    events.insert(events.end(), noteOffs.begin(), noteOffs.end());
-    events.insert(events.end(), metas.begin(), metas.end());
-    events.insert(events.end(), controllers.begin(), controllers.end());
-    events.insert(events.end(), anyOther.begin(), anyOther.end());
+    if(!sysEx.empty())
+        events.insert(events.end(), sysEx.begin(), sysEx.end());
+    if(!noteOffs.empty())
+        events.insert(events.end(), noteOffs.begin(), noteOffs.end());
+    if(!metas.empty())
+        events.insert(events.end(), metas.begin(), metas.end());
+    if(!controllers.empty())
+        events.insert(events.end(), controllers.begin(), controllers.end());
+    if(!anyOther.empty())
+        events.insert(events.end(), anyOther.begin(), anyOther.end());
 }
 
 BW_MidiSequencer::BW_MidiSequencer() :