#!/usr/bin/env python
import sys
import block
import struct
import re

f = open(sys.argv[1],'r')
file = f.read()

file = file.split("\xFF\xD8") # JPEG magic bytes
print len(file)

index = 0
for frame in file:
	f = open("frames/%04i.jpg" % index, 'w')
	f.write("\xFF\xD8" + frame)
	f.close()
	index += 1