}
}
+ /* If there are fewer notes in the signature than in the chord,
+ * then there is no match. */
+ if (n < num_notes)
+ return 0;
+
return 1;
}
int bass_pitch;
const char *chord_name = NULL;
+ struct { int pitches[2]; const char *name; } intervals[] = {
+ { {0, 1}, "Minor 2nd"},
+ { {0, 2}, "Major 2nd"},
+ { {0, 3}, "Minor 3rd"},
+ { {0, 4}, "Major 3rd"},
+ { {0, 5}, "Perfect 4th"},
+ { {0, 6}, "Diminished 5th/Augmented 4th"},
+ { {0, 7}, "Perfect 5th"},
+ { {0, 8}, "Minor 6th"},
+ { {0, 9}, "Major 6th"},
+ { {0, 10}, "Minor 7th"},
+ { {0, 11}, "Major 7th"}
+ };
+
struct { int pitches[3]; const char *name; } triads[] = {
{ {0, 4, 8}, "Augmented triad" },
{ {0, 4, 7}, "Major triad" },
scherzo->chord = NULL;
}
- if (num_notes == 0)
+ if (num_notes <= 1)
goto DONE;
notes = talloc_array (local, analyzed_note_t, num_notes);
notes[i].relative_pitch = notes[i].midi_pitch - bass_pitch;
}
+ for (i = 0; i < ARRAY_SIZE (intervals); i++) {
+ if (_chord_signature_matches (notes, num_notes, intervals[i].pitches, 2))
+ chord_name = intervals[i].name;
+ }
+
for (i = 0; i < ARRAY_SIZE (triads); i++) {
if (_chord_signature_matches (notes, num_notes, triads[i].pitches, 3))
chord_name = triads[i].name;