Add a MIDI event queue

In preparation for a MIDI extension.

1 files changed, 23 insertions, 0 deletions

diff --git a/Alc/evtqueue.h b/Alc/evtqueue.h
new file mode 100644
index 00000000..9208df6e
--- /dev/null
+++ b/Alc/evtqueue.h
@@ -0,0 +1,23 @@
+#ifndef AL_EVTQUEUE_H
+#define AL_EVTQUEUE_H
+
+#include "AL/al.h"
+
+typedef struct MidiEvent {
+    ALuint time;
+    ALuint event;
+    ALuint param[2];
+} MidiEvent;
+
+typedef struct EvtQueue {
+    MidiEvent *events;
+    ALsizei pos;
+    ALsizei size;
+    ALsizei maxsize;
+} EvtQueue;
+
+void InitEvtQueue(EvtQueue *queue);
+void ResetEvtQueue(EvtQueue *queue);
+ALenum InsertEvtQueue(EvtQueue *queue, const MidiEvent *evt);
+
+#endif /* AL_EXTQUEUE_H */