Used to merge my ReLive files.

merge.py

# Pretty handy when you use the HEVC encodex & have "Seperate Microphone Track" enabled
# Needs to have ffmpeg in path!
# Usage https://www.youtube.com/watch?v=9fXbamn2cdM
import sys
import os
args = list(sys.argv)[1:]
file = None
if len(args) == 0:
	file = input("File: ")
elif len(args) == 1:
	file = args[0]
file = "".join(file.split("\\")[-1:])
file = ".".join(file.split(".")[:-1])
os.system(f"""ffmpeg -i {file}.m4a -i {file}.mp4 -c:v copy -filter_complex amix=inputs=2:duration=first:dropout_transition=2 {file}-output.mp4""")
if input("Convert (Needed for discord embeding? y/n: ").lower() == "y":
	os.system(f"""ffmpeg -i {file}-output.mp4 -c:v libx264 -crf 1 -c:a copy {file}-output-converted.mp4""")
# Made by scorpion3013