Update aom to commit id f5bdeac22930ff4c6b219be49c843db35970b918

1 files changed, 39 insertions, 0 deletions

diff --git a/third_party/aom/tools/aggregate_entropy_stats.py b/third_party/aom/tools/aggregate_entropy_stats.py
new file mode 100644
index 000000000..7cb4d18e1
--- /dev/null
+++ b/third_party/aom/tools/aggregate_entropy_stats.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+## 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()