def midi_to_list(filename: str, start_time: float, duration: float) -> List[int]:
pm = PrettyMIDI(filename)
pm.adjust_times(np.array([start_time, start_time + duration]), np.array([0., duration]))
# ensure one midi contain only on instrument
note_seq = NoteSeq(notes=pm.instruments[0].notes)
event_seq = EventSeq.from_note_seq(note_seq)
return event_seq.to_list()
def read_midi(filename: str, start_time: float, duration: float) -> PrettyMIDI:
"""
:param filename:
:param start_time: in seconds
:param duration: in seconds
:return:
"""
pm = PrettyMIDI(filename)
pm.adjust_times([start_time, start_time + duration], [0., duration])
return pm