Split a YouTube Video using Chapters in Python

split_youtubevideo.py

from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip

def convert_time_to_seconds(time):
  # ChatGPT wrote this function
  try:
    hour, minute, second = map(int, time.split(":"))
    return hour * 3600 + minute * 60 + second
  except:
    minute, second = map(int, time.split(":"))
    return minute * 60 + second
  

chapters = """00:00 - Chapter 1
00:35 - Chapter 2
01:59 - Chapter 3
02:41 - Chapter 4
04:47 - Chapter 5
05:22 - Chapter 6
07:09 - END""".split("\n")

path = "VIDEO.mp4"

for i in range(len(chapters) - 1):
    starttime = convert_time_to_seconds(chapters[i].split(" - ")[0])
    endtime = convert_time_to_seconds(chapters[i + 1].split(" - ")[0])
    
    ffmpeg_extract_subclip(path, starttime, endtime, targetname=str(chapters[i].split(" - ")[1])+".mp4")