Further midi file support.

src/audio/midi/MidiChannelEvent.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#include "MidiEvent.h"
+
+class MidiChannelEvent : public MidiEvent
+{
+public:
+    enum class Type{
+        NONE, NOTE_OFF, NOTE_ON, NOTE_AFTERTOUCH, CONTROLLER,
+        PROGRAM, CHANNEL_AFTERTOUCH, PITCH_BEND
+    };
+
+private:
+    static const int NOTE_OFF = 0x8;
+    static const int NOTE_ON = 0x9;
+    static const int NOTE_AFTERTOUCH = 0xA;
+    static const int CONTROLLER = 0xB;
+    static const int PROGRAM = 0xC;
+    static const int CHANNEL_AFTERTOUCH = 0xD;
+    static const int PITCH_BEND = 0xE;
+    Type mType;
+    int mValue0;
+    int mValue1;
+
+public:
+    MidiChannelEvent();
+    static std::shared_ptr<MidiChannelEvent> Create();
+
+    void SetType(Type type);
+    Type GetType();
+    void SetValues(int value0, int value1);
+    int GetValue0();
+    int GetValue1();
+
+    static bool IsControllerEvent(int c);
+
+    static bool IsNoteOnEvent(int c);
+
+    static bool IsNoteOffEvent(int c);
+
+    static bool IsNoteAfterTouchEvent(int c);
+
+    static bool IsProgramEvent(int c);
+
+    static bool IsChannelAftertouchEvent(int c);
+
+    static bool IsPitchbendEvent(int c);
+
+    static bool IsStatusByte(int c);
+};
+
+using MidiChannelEventPtr = std::shared_ptr<MidiChannelEvent>;