Support pitch bend as a virtual MIDI controller.

[nageru] / shared / midi_device.h

diff --git a/shared/midi_device.h b/shared/midi_device.h
index 3c1e6b2f4e63bf1cd4390329c037630d4748dc9f..498443931ab368ba931d2ead88192a969a27b116 100644 (file)
--- a/shared/midi_device.h
+++ b/shared/midi_device.h
@@ -16,6 +16,11 @@ typedef struct _snd_seq snd_seq_t;
 
 class MIDIReceiver {
 public:
+       // Pitch bend events are received as a virtual controller with
+       // range -8192..8191 instead of 0..127 (but see the comment
+       // in map_controller_to_float() in midi_mapper.cpp).
+       static constexpr int PITCH_BEND_CONTROLLER = 128;
+
        virtual ~MIDIReceiver() {}
        virtual void controller_received(int controller, int value) = 0;
        virtual void note_on_received(int note) = 0;