Python script to extract all HVQM2 videos from *.z64 files

extract_hvqm2_videos_from_z64.py

#!/usr/bin/env python3

import struct
import sys

rom = open(sys.argv[1], 'rb').read()
pos = 0
while True:
    i = rom.find(b'HVQM2 1.0', pos)
    if i == -1:
        break
    size = struct.unpack('>I', rom[i+16:i+20])[0]
    video = rom[i:i+size]
    name = 'video_%u.hvqm' % i
    print(name)
    open(name, 'wb+').write(video)
    pos = i + size