Serialize midi events using vectors

Easier than to implement C-style arrays in Bitsery and this way we also
don't have to worry about cleanup.

Serum still segfaults with multiple events so something is still off.

src/common/serialization.cpp

@@ -0,0 +1,35 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020  Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "serialization.h"
+
+#include <iostream>
+
+DynamicVstEvents::DynamicVstEvents(const VstEvents& c_events)
+    : events(c_events.numEvents) {
+    // Copy from the C-style array into a vector for serialization
+    for (int i = 0; i < c_events.numEvents; i++) {
+        events[i] = c_events.events[0][i];
+    }
+}
+
+VstEvents& DynamicVstEvents::as_c_events() {
+    // Populate the vst_events struct with data from the vector
+    vst_events.numEvents = events.size();
+    vst_events.events[0] = events.data();
+
+    return vst_events;
+}