av1/encoder add missing license blocks

BUG=chromium:795297

Change-Id: If5b1d3906652ff196297428cd884548eca3a5215
diff --git a/av1/encoder/dwt.c b/av1/encoder/dwt.c
index 0a57ebc..04088b2 100644
--- a/av1/encoder/dwt.c
+++ b/av1/encoder/dwt.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
 #include <assert.h>
 #include <stdlib.h>
 #include <math.h>
diff --git a/av1/encoder/dwt.h b/av1/encoder/dwt.h
index 9a86db2..03318e5 100644
--- a/av1/encoder/dwt.h
+++ b/av1/encoder/dwt.h
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
 #include "av1/common/common.h"
 #include "av1/common/enums.h"
 
diff --git a/av1/encoder/hash_motion.c b/av1/encoder/hash_motion.c
index 5a8f8cb..f2ff5b4 100644
--- a/av1/encoder/hash_motion.c
+++ b/av1/encoder/hash_motion.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
 #include <assert.h>
 
 #include "config/av1_rtcd.h"
diff --git a/av1/encoder/x86/av1_fwd_txfm1d_sse4.c b/av1/encoder/x86/av1_fwd_txfm1d_sse4.c
index 84065d6..c71f2e7 100644
--- a/av1/encoder/x86/av1_fwd_txfm1d_sse4.c
+++ b/av1/encoder/x86/av1_fwd_txfm1d_sse4.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
 #include "av1/encoder/x86/av1_txfm1d_sse4.h"
 
 void av1_fdct32_new_sse4_1(const __m128i *input, __m128i *output,
diff --git a/av1/encoder/x86/corner_match_sse4.c b/av1/encoder/x86/corner_match_sse4.c
index 381f757..93f37b71 100644
--- a/av1/encoder/x86/corner_match_sse4.c
+++ b/av1/encoder/x86/corner_match_sse4.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
 #include <stdlib.h>
 #include <memory.h>
 #include <math.h>