goro.c~

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "midifile-master/MidiFile.h"

#define MAX_CHORDS 100
#define MAX_LENGTH 10

void get_chord_sequence(char chords[MAX_CHORDS][MAX_LENGTH], int *num_chords) {
    printf("Inserisci il numero di accordi nel giro armonico: ");
    scanf("%d", num_chords);
    
    printf("Inserisci gli accordi (es. C, G, Am, F):\n");
    for (int i = 0; i < *num_chords; i++) {
        printf("Accordo %d: ", i + 1);
        scanf("%s", chords[i]);
    }
}

// Mappa degli accordi alle loro note MIDI corrispondenti
int chord_to_notes(char* chord, int* notes) {
    if (strcmp(chord, "C") == 0) {
        notes[0] = 60; notes[1] = 64; notes[2] = 67; // C E G
        return 3;
    } else if (strcmp(chord, "G") == 0) {
        notes[0] = 67; notes[1] = 71; notes[2] = 74; // G B D
        return 3;
    } else if (strcmp(chord, "Am") == 0) {
        notes[0] = 69; notes[1] = 72; notes[2] = 76; // A C E
        return 3;
    } else if (strcmp(chord, "F") == 0) {
        notes[0] = 65; notes[1] = 69; notes[2] = 72; // F A C
        return 3;
    } else if (strcmp(chord, "D") == 0) {
        notes[0] = 62; notes[1] = 66; notes[2] = 69; // D F# A
        return 3;
    } else if (strcmp(chord, "E") == 0) {
        notes[0] = 64; notes[1] = 68; notes[2] = 71; // E G# B
        return 3;
    } else if (strcmp(chord, "Em") == 0) {
        notes[0] = 64; notes[1] = 67; notes[2] = 71; // E G B
        return 3;
    } else if (strcmp(chord, "Dm") == 0) {
        notes[0] = 62; notes[1] = 65; notes[2] = 69; // D F A
        return 3;
    } else if (strcmp(chord, "Bb") == 0) {
        notes[0] = 70; notes[1] = 74; notes[2] = 77; // Bb D F
        return 3;
    } else if (strcmp(chord, "B") == 0) {
        notes[0] = 71; notes[1] = 75; notes[2] = 79; // B D# F#
        return 3;
    } else if (strcmp(chord, "Ab") == 0) {
        notes[0] = 68; notes[1] = 72; notes[2] = 75; // Ab C Eb
        return 3;
    }
    // Aggiungi altri accordi qui secondo necessità
    return 0;
}

void write_midi(char chords[MAX_CHORDS][MAX_LENGTH], int num_chords, const char* filename) {
    int notes[3];
    int num_notes;

    MidiFile_t midi_file = MidiFile_new(1, MIDI_FILE_DIVISION_TYPE_PPQ, 480);
    MidiFileTrack_t track = MidiFile_createTrack(midi_file);
    MidiFile_setTicksPerQuarterNote(midi_file, 480);
    int time = 0;

    for (int i = 0; i < num_chords; i++) {
        num_notes = chord_to_notes(chords[i], notes);
        for (int j = 0; j < num_notes; j++) {
            // Note On
            MidiFileTrack_createNoteOnEvent(track, time, 0, notes[j], 100);
        }
        time += 480; // Quarter note duration

        for (int j = 0; j < num_notes; j++) {
            // Note Off
            MidiFileTrack_createNoteOffEvent(track, time, 0, notes[j], 100);
        }
    }

    MidiFile_save(midi_file, filename);
    MidiFile_free(midi_file);
}

int main() {
    char chords[MAX_CHORDS][MAX_LENGTH];
    int num_chords;

    get_chord_sequence(chords, &num_chords);
    write_midi(chords, num_chords, "output.mid");

    printf("File MIDI generato: output.mid\n");
    return 0;
}