Atmosphere/fusee_cpp/program/lz4_compress.py
2021-09-06 16:26:50 -07:00

23 lines
602 B
Python

#!/usr/bin/env python
import sys, lz4
from struct import unpack as up
def lz4_compress(data):
try:
import lz4.block as block
except ImportError:
block = lz4.LZ4_compress
return block.compress(data, 'high_compression', store_size=False)
def main(argc, argv):
if argc != 3:
print('Usage: %s in out' % argv[0])
return 1
with open(argv[1], 'rb') as f:
data = f.read()
with open(argv[2], 'wb') as f:
f.write(lz4_compress(data[:0x2B000 + 0x11000]))
return 0
if __name__ == '__main__':
sys.exit(main(len(sys.argv), sys.argv))