naming
[Watson Amelia Ch. hololive-EN][20200915] [20201002] 【KARAOKE】1st Karaoke Stream! (yHy2lhZjnr4)
thumbnail
https://files.catbox.moe/xgd4s6.jpg
original video description
https://files.catbox.moe/l1m9w2.description
video source
https://mega.nz/folder/VGJVxYpI#0qDXP2u7Ox-TgnpfkzsWsw

1. ffmpeg -i source.mp4 -c:a copy -c:v copy new.mp4
2. AtomicParsley.exe .\new.mp4 --artwork .\thumbnail.jpg
3. Edit properties of new.mp4 to add video description into comment
4. Rename the mp4