Tetris 99 to the beat

import ctypes
ctypes.windll.user32.SetProcessDPIAware()

from moviepy.editor import *
import moviepy.video.fx.all as vfx


def show(clip, time):
    temp_clip = clip.resize(width=600)
    temp_clip.show(time, interactive=True)

def get_mask(file_name, duration):  # b/w image to 0-1 float mask
    mask = ImageClip(file_name, ismask=True)
    img = mask.get_frame(0)
    img = img.astype('float')
    img /= 255
    mask = VideoClip(lambda a: img, duration=duration, ismask=True)
    return mask


clip = VideoFileClip('vid.mp4', audio=False)
bgm = AudioFileClip("bgm.mp3")#.set_duration(5)
duration = bgm.duration
bg = ImageClip('bg.png', duration=duration)
mask = get_mask('mask.png', duration=duration)

# select 7 bar section and crop
start, end = 36+57/60, 50+56/60
x, y, w, h = 889, 650, 140, 139
loading = clip.subclip(start, end)  # t1 is included, t2 is not included
loading = vfx.crop(loading, x1=x, y1=y, x2=x+w, y2=y+h)
loading = loading.set_position((x, y))

# set playspeed in sync with 7 bars
bpm = 132
offset = -32/1000
anim_time = loading.duration
loading = loading.fl_time(lambda t: ((t-offset)/(60/bpm) / (4*7)) % 1 * anim_time).set_duration(duration)

# # sync flash with crash
# def timed_flash(t):
#     bars = (0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, 208, 216, 224, 232, 240, 248, 256, 264, 272, 280, 288, 296, 304, 312, 320)
#     types = ('s', 's', '', '', 'k', 's', '', 's', '', 'kk', '', '', '', 'k', 's', 'BO', 's', '', 'kk', 's', '', '', 'k', '', 's', '', 's', 'kk', '', '', '', 'k', 's', 'BO', 's', '', 'kk', '', '', 's', 'k')
#
#     bar_float = (t - offset) / (60 / bpm) / 4
#     bar_int = int(bar_float)
#     bar_remaining = 1 - (bar_float % 1)
#     lum, con = 0, 0
#     if bar_int in bars:
#         index = bars.index(bar_int)
#         if types[index] == 'BO':
#             if bar_remaining > 3/4:
#                 lum = -600 * bar_remaining
#             else:
#                 lum = 0
#         else:
#             power = ['', 's', 'k', 'kk'].index(types[index]) + 1
#             lum = power * 100 * (1 - bar_float % 1)
#
#     flash = clip.set_mask(mask)  # crash flash image
#
#     flash = vfx.lum_contrast(flash, lum=lum, contrast=con, contrast_thr=127)
#     return flash.get_frame(t)
#
# flash = VideoClip(timed_flash, duration=duration)

# compose and save video file
final = CompositeVideoClip([bg,loading]).set_audio(bgm)
final.write_videofile("test.mp4", audio_bitrate='320k')

clip.close()
bgm.close()
bg.close()