Created
May 23, 2023 03:01
-
-
Save phuang1024/f976911f9e7cc34d49e9ab127fe04a67 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import argparse | |
| import time | |
| import mido | |
| import pyautogui | |
| class Player: | |
| keys = list("awsedftgyhuj") | |
| def __init__(self): | |
| self.midi_paths = [] | |
| def note_to_info(self, note): | |
| key_ind = note + 9 | |
| key = self.keys[key_ind % 12] | |
| octave = key_ind // 12 | |
| return (key, octave) | |
| def play(self, init_pause=1, key_pause=0.001, speed=1, loop=False): | |
| pyautogui.PAUSE = key_pause | |
| time.sleep(init_pause) | |
| notes = [] | |
| for path in self.midi_paths: | |
| midi = mido.MidiFile(path) | |
| curr_time = 0 | |
| starts = [False] * 88 | |
| for msg in midi: | |
| curr_time += msg.time | |
| if not msg.is_meta and msg.type == "note_on": | |
| note = msg.note - 21 | |
| if msg.velocity == 0: | |
| notes.append([note, starts[note], curr_time, "NOT_PLAYED"]) | |
| else: | |
| starts[note] = curr_time | |
| notes = sorted(notes, key=(lambda x: x[1])) | |
| curr_octave = 4 | |
| octave = 4 | |
| time_start = time.time() | |
| while True: | |
| elapsed = time.time() - time_start | |
| elapsed *= speed | |
| for i, info in enumerate(notes): | |
| note, start, end, state = info | |
| if state == "NOT_PLAYED" and elapsed >= start: | |
| key, octave = self.note_to_info(note) | |
| oct_diff = abs(octave - curr_octave) | |
| if octave > curr_octave: | |
| pyautogui.typewrite("x"*oct_diff) | |
| elif octave < curr_octave: | |
| pyautogui.typewrite("z"*oct_diff) | |
| pyautogui.typewrite(key) | |
| notes[i][3] = "PLAYED" | |
| curr_octave = octave | |
| if all([x[3]=="PLAYED" for x in notes]): | |
| break | |
| oct_diff = abs(octave - curr_octave) | |
| if octave > curr_octave: | |
| pyautogui.typewrite("x"*oct_diff) | |
| elif octave < curr_octave: | |
| pyautogui.typewrite("z"*oct_diff) | |
| if loop: | |
| self.play(init_pause=init_pause, key_pause=key_pause, speed=speed, loop=loop) | |
| if __name__ == "__main__": | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument("midis", nargs="+", help="midi files to play") | |
| args = parser.parse_args() | |
| player = Player() | |
| player.midi_paths = args.midis | |
| player.play() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment