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#ifndef AUDIO_EFFECT_MIDI_H
#define AUDIO_EFFECT_MIDI_H
#include "audio_effect.h"
//base for effects that use MIDI, provides parameters for common MIDI stuff
//and some helpers
class AudioEffectMIDI : public AudioEffect {
public:
enum CustomMIDIPorts {
CUSTOM_MIDI_BEND_PORTAMENTO,
CUSTOM_MIDI_BEND_VIBRATO,
CUSTOM_MIDI_BEND_SLIDE_UP,
CUSTOM_MIDI_BEND_SLIDE_DOWN,
CUSTOM_MIDI_PITCH_BEND,
CUSTOM_MIDI_PITCH_BEND_UP,
CUSTOM_MIDI_PITCH_BEND_DOWN,
CUSTOM_MIDI_SMART_PORTAMENTO,
CUSTOM_MIDI_AFTERTOUCH,
CUSTOM_MIDI_CHANGE_PROGRAM,
CUSTOM_MIDI_MACRO,
CUSTOM_MIDI_MAX,
};
enum {
CUSTOM_MIDI_MACRO_MAX = 100,
TOTAL_INTERNAL_PORTS = MIDIEvent::CC_MAX + CUSTOM_MIDI_MAX
};
struct MIDIEventStamped {
uint32_t frame;
MIDIEvent event;
};
private:
enum {
INTERNAL_MIDI_EVENT_BUFFER_SIZE = 4096,
PITCH_BEND_MAX = 8192,
PITCH_BEND_MIN = -8192
};
ControlPortDefault cc_ports[MIDIEvent::CC_MAX];
ControlPortDefault custom_ports[CUSTOM_MIDI_MAX];
Vector<uint8_t> midi_macro[CUSTOM_MIDI_MACRO_MAX];
MIDIEventStamped process_events[INTERNAL_MIDI_EVENT_BUFFER_SIZE];
int midi_channel;
int pitch_bend_range; //in semitones
bool reset_pending;
int current_pitch_bend;
int extra_pitch_bend;
/* bend vibrato stuff */
int prev_bend_vibrato;
float bend_vibrato_time;
/* bend portamento stuff */
bool prev_bend_portamento;
bool prev_bend_slide;
int bend_portamento_last_note;
int bend_portamento_target_note;
int bp_remap_note_off_from;
int bp_remap_note_off_to;
bool update_pitch_bend_range;
protected:
void _reset_midi();
MIDIEventStamped *_process_midi_events(const Event *p_events, int p_event_count, float p_time, int &r_stamped_event_count);
virtual int _get_internal_control_port_count() const = 0;
virtual ControlPort *_get_internal_control_port(int p_index) = 0;
virtual JSON::Node _internal_to_json() const = 0;
virtual Error _internal_from_json(const JSON::Node &node) = 0;
public:
void set_cc_visible(MIDIEvent::CC p_cc, bool p_visible);
bool is_cc_visible(MIDIEvent::CC p_cc) const;
void set_midi_channel(int p_channel);
int get_midi_channel() const;
void set_midi_macro(int p_macro, const Vector<uint8_t> &p_bytes);
Vector<uint8_t> get_midi_macro(int p_macro) const;
virtual int get_control_port_count() const;
virtual ControlPort *get_control_port(int p_port);
virtual JSON::Node to_json() const;
virtual Error from_json(const JSON::Node &node);
void set_pitch_bend_range(int p_semitones);
int get_pitch_bend_range() const;
AudioEffectMIDI();
};
#endif // AUDIO_EFFECT_MIDI_H
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