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#!/usr/bin/env python3
## Copyright (c) 2017, Alliance for Open Media. All rights reserved.
##
## This source code is subject to the terms of the BSD 2 Clause License and
## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
## was not distributed with this source code in the LICENSE file, you can
## obtain it at www.aomedia.org/license/software. If the Alliance for Open
## Media Patent License 1.0 was not distributed with this source code in the
## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
##
"""Aggregate multiple entropy stats output which is written in 32-bit int.
python ./aggregate_entropy_stats.py [dir of stats files] [keyword of filenames]
[filename of final stats]
"""
__author__ = "yuec@google.com"
import os
import sys
import numpy as np
def main():
dir = sys.argv[1]
sum = []
for fn in os.listdir(dir):
if sys.argv[2] in fn:
stats = np.fromfile(dir + fn, dtype=np.int32)
if len(sum) == 0:
sum = stats
else:
sum = np.add(sum, stats)
if len(sum) == 0:
print("No stats file is found. Double-check directory and keyword?")
else:
sum.tofile(dir+sys.argv[3])
if __name__ == '__main__':
main()
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