diff --git a/third_party/fastfeat/fast.c b/third_party/fastfeat/fast.c
index f29ac8f..30efde8 100644
--- a/third_party/fastfeat/fast.c
+++ b/third_party/fastfeat/fast.c
@@ -1,3 +1,33 @@
+// Copyright (c) 2006, 2008 Edward Rosten
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+//  *Redistributions of source code must retain the above copyright
+//   notice, this list of conditions and the following disclaimer.
+//
+//  *Redistributions in binary form must reproduce the above copyright
+//   notice, this list of conditions and the following disclaimer in the
+//   documentation and/or other materials provided with the distribution.
+//
+//  *Neither the name of the University of Cambridge nor the names of
+//   its contributors may be used to endorse or promote products derived
+//   from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER
+// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 // clang-format off
 #include <stdlib.h>
 #include "fast.h"
diff --git a/third_party/fastfeat/fast.h b/third_party/fastfeat/fast.h
index a65d5a5..d7a9617 100644
--- a/third_party/fastfeat/fast.h
+++ b/third_party/fastfeat/fast.h
@@ -1,3 +1,33 @@
+// Copyright (c) 2006, 2008 Edward Rosten
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+//  *Redistributions of source code must retain the above copyright
+//   notice, this list of conditions and the following disclaimer.
+//
+//  *Redistributions in binary form must reproduce the above copyright
+//   notice, this list of conditions and the following disclaimer in the
+//   documentation and/or other materials provided with the distribution.
+//
+//  *Neither the name of the University of Cambridge nor the names of
+//   its contributors may be used to endorse or promote products derived
+//   from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER
+// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 // clang-format off
 #ifndef FAST_H
 #define FAST_H
diff --git a/third_party/fastfeat/fast_9.c b/third_party/fastfeat/fast_9.c
index 61c654c..c0fdbe2 100644
--- a/third_party/fastfeat/fast_9.c
+++ b/third_party/fastfeat/fast_9.c
@@ -1,3 +1,33 @@
+// Copyright (c) 2006, 2008 Edward Rosten
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+//  *Redistributions of source code must retain the above copyright
+//   notice, this list of conditions and the following disclaimer.
+//
+//  *Redistributions in binary form must reproduce the above copyright
+//   notice, this list of conditions and the following disclaimer in the
+//   documentation and/or other materials provided with the distribution.
+//
+//  *Neither the name of the University of Cambridge nor the names of
+//   its contributors may be used to endorse or promote products derived
+//   from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER
+// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 // clang-format off
 /*This is mechanically generated code*/
 #include <stdlib.h>
diff --git a/third_party/fastfeat/nonmax.c b/third_party/fastfeat/nonmax.c
index 0dbc660..2e048e5 100644
--- a/third_party/fastfeat/nonmax.c
+++ b/third_party/fastfeat/nonmax.c
@@ -1,3 +1,33 @@
+// Copyright (c) 2006, 2008 Edward Rosten
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+//  *Redistributions of source code must retain the above copyright
+//   notice, this list of conditions and the following disclaimer.
+//
+//  *Redistributions in binary form must reproduce the above copyright
+//   notice, this list of conditions and the following disclaimer in the
+//   documentation and/or other materials provided with the distribution.
+//
+//  *Neither the name of the University of Cambridge nor the names of
+//   its contributors may be used to endorse or promote products derived
+//   from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER
+// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 // clang-format off
 #include <stdlib.h>
 #include "fast.h"
diff --git a/third_party/vector/vector.c b/third_party/vector/vector.c
index 4b8b9c6..2295b8f 100644
--- a/third_party/vector/vector.c
+++ b/third_party/vector/vector.c
@@ -3,7 +3,7 @@
 Copyright(c) 2016 Peter Goldsborough
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files(the "Software"), to deal in
+this software and associated documentation files (the "Software"), to deal in
 the Software without restriction, including without limitation the rights to
 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 the Software, and to permit persons to whom the Software is furnished to do so,
diff --git a/third_party/vector/vector.h b/third_party/vector/vector.h
index d09eb64..acc70fe 100644
--- a/third_party/vector/vector.h
+++ b/third_party/vector/vector.h
@@ -3,7 +3,7 @@
 Copyright(c) 2016 Peter Goldsborough
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files(the "Software"), to deal in
+this software and associated documentation files (the "Software"), to deal in
 the Software without restriction, including without limitation the rights to
 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 the Software, and to permit persons to whom the Software is furnished to do so,
diff --git a/tools/auto_refactor/auto_refactor.py b/tools/auto_refactor/auto_refactor.py
index 1555207..dd0d441 100644
--- a/tools/auto_refactor/auto_refactor.py
+++ b/tools/auto_refactor/auto_refactor.py
@@ -1,3 +1,13 @@
+# Copyright (c) 2021, 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.
+#
+
 from __future__ import print_function
 import sys
 import os
diff --git a/tools/auto_refactor/av1_preprocess.py b/tools/auto_refactor/av1_preprocess.py
index 2c7bdbd..ea76912 100644
--- a/tools/auto_refactor/av1_preprocess.py
+++ b/tools/auto_refactor/av1_preprocess.py
@@ -1,3 +1,13 @@
+# Copyright (c) 2021, 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.
+#
+
 import os
 import sys
 
diff --git a/tools/auto_refactor/c_files/decl_status_code.c b/tools/auto_refactor/c_files/decl_status_code.c
index 4c7afba..bd445ab 100644
--- a/tools/auto_refactor/c_files/decl_status_code.c
+++ b/tools/auto_refactor/c_files/decl_status_code.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2021, 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.
+ */
+
 typedef struct S1 {
   int x;
 } T1;
diff --git a/tools/auto_refactor/c_files/func_in_out.c b/tools/auto_refactor/c_files/func_in_out.c
index 8c14edc..67ab58d 100644
--- a/tools/auto_refactor/c_files/func_in_out.c
+++ b/tools/auto_refactor/c_files/func_in_out.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2021, 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.
+ */
+
 typedef struct XD {
   int u;
   int v;
diff --git a/tools/auto_refactor/c_files/global_variable.c b/tools/auto_refactor/c_files/global_variable.c
index 1934e20..26d5385 100644
--- a/tools/auto_refactor/c_files/global_variable.c
+++ b/tools/auto_refactor/c_files/global_variable.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2021, 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.
+ */
+
 extern const int global_a[13];
 
 const int global_b = 0;
diff --git a/tools/auto_refactor/c_files/parse_lvalue.c b/tools/auto_refactor/c_files/parse_lvalue.c
index 093ab55..97113ef 100644
--- a/tools/auto_refactor/c_files/parse_lvalue.c
+++ b/tools/auto_refactor/c_files/parse_lvalue.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2021, 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.
+ */
+
 typedef struct RD {
   int u;
   int v;
diff --git a/tools/auto_refactor/c_files/simple_code.c b/tools/auto_refactor/c_files/simple_code.c
index 330fc3a..dd89a15 100644
--- a/tools/auto_refactor/c_files/simple_code.c
+++ b/tools/auto_refactor/c_files/simple_code.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2021, 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.
+ */
+
 typedef struct S {
   int x;
   int y;
diff --git a/tools/auto_refactor/c_files/struct_code.c b/tools/auto_refactor/c_files/struct_code.c
index 62b9d7a..e14372c 100644
--- a/tools/auto_refactor/c_files/struct_code.c
+++ b/tools/auto_refactor/c_files/struct_code.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2021, 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.
+ */
+
 typedef struct S1 {
   int x;
 } T1;
diff --git a/tools/auto_refactor/test_auto_refactor.py b/tools/auto_refactor/test_auto_refactor.py
index 836e145..6b1e269 100644
--- a/tools/auto_refactor/test_auto_refactor.py
+++ b/tools/auto_refactor/test_auto_refactor.py
@@ -1,4 +1,13 @@
 #!/usr/bin/env python
+# Copyright (c) 2021, 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.
+#
 
 import pprint
 import re