diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..d92ea0a
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1,6 @@
+# This is the list of libgav1 authors for copyright purposes.
+#
+# This does not necessarily list everyone who has contributed code, since in
+# some cases, their employer may be the copyright holder.  To see the full list
+# of contributors, see the revision history in source control.
+Google LLC
diff --git a/libgav1/src/buffer_pool.cc b/libgav1/src/buffer_pool.cc
index 64c0bdd..63312ef 100644
--- a/libgav1/src/buffer_pool.cc
+++ b/libgav1/src/buffer_pool.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/buffer_pool.h"
 
 #include <cassert>
diff --git a/libgav1/src/buffer_pool.h b/libgav1/src/buffer_pool.h
index c50888b..4a34e23 100644
--- a/libgav1/src/buffer_pool.h
+++ b/libgav1/src/buffer_pool.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_BUFFER_POOL_H_
 #define LIBGAV1_SRC_BUFFER_POOL_H_
 
diff --git a/libgav1/src/decoder.cc b/libgav1/src/decoder.cc
index 8767887..9a38dd1 100644
--- a/libgav1/src/decoder.cc
+++ b/libgav1/src/decoder.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/decoder.h"
 
 #include "src/decoder_impl.h"
diff --git a/libgav1/src/decoder.h b/libgav1/src/decoder.h
index b01107d..1e3ac1a 100644
--- a/libgav1/src/decoder.h
+++ b/libgav1/src/decoder.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DECODER_H_
 #define LIBGAV1_SRC_DECODER_H_
 
diff --git a/libgav1/src/decoder_buffer.h b/libgav1/src/decoder_buffer.h
index 6806603..ecd133d 100644
--- a/libgav1/src/decoder_buffer.h
+++ b/libgav1/src/decoder_buffer.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DECODER_BUFFER_H_
 #define LIBGAV1_SRC_DECODER_BUFFER_H_
 
diff --git a/libgav1/src/decoder_impl.cc b/libgav1/src/decoder_impl.cc
index 11f2682..5c61993 100644
--- a/libgav1/src/decoder_impl.cc
+++ b/libgav1/src/decoder_impl.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/decoder_impl.h"
 
 #include <algorithm>
diff --git a/libgav1/src/decoder_impl.h b/libgav1/src/decoder_impl.h
index e58a0da..18026f7 100644
--- a/libgav1/src/decoder_impl.h
+++ b/libgav1/src/decoder_impl.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DECODER_IMPL_H_
 #define LIBGAV1_SRC_DECODER_IMPL_H_
 
diff --git a/libgav1/src/decoder_scratch_buffer.cc b/libgav1/src/decoder_scratch_buffer.cc
index ea897e2..bb9b5f2 100644
--- a/libgav1/src/decoder_scratch_buffer.cc
+++ b/libgav1/src/decoder_scratch_buffer.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/decoder_scratch_buffer.h"
 
 namespace libgav1 {
diff --git a/libgav1/src/decoder_scratch_buffer.h b/libgav1/src/decoder_scratch_buffer.h
index 9160f30..54ee1b7 100644
--- a/libgav1/src/decoder_scratch_buffer.h
+++ b/libgav1/src/decoder_scratch_buffer.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DECODER_SCRATCH_BUFFER_H_
 #define LIBGAV1_SRC_DECODER_SCRATCH_BUFFER_H_
 
diff --git a/libgav1/src/decoder_settings.h b/libgav1/src/decoder_settings.h
index 051e5bb..6c6f21d 100644
--- a/libgav1/src/decoder_settings.h
+++ b/libgav1/src/decoder_settings.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DECODER_SETTINGS_H_
 #define LIBGAV1_SRC_DECODER_SETTINGS_H_
 
diff --git a/libgav1/src/dsp/arm/average_blend_neon.cc b/libgav1/src/dsp/arm/average_blend_neon.cc
index 5f9c458..94fad54 100644
--- a/libgav1/src/dsp/arm/average_blend_neon.cc
+++ b/libgav1/src/dsp/arm/average_blend_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/average_blend.h"
 #include "src/dsp/dsp.h"
 
diff --git a/libgav1/src/dsp/arm/average_blend_neon.h b/libgav1/src/dsp/arm/average_blend_neon.h
index 1225975..569da64 100644
--- a/libgav1/src/dsp/arm/average_blend_neon.h
+++ b/libgav1/src/dsp/arm/average_blend_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_AVERAGE_BLEND_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_AVERAGE_BLEND_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/common_neon.h b/libgav1/src/dsp/arm/common_neon.h
index 2a5046e..e0667f9 100644
--- a/libgav1/src/dsp/arm/common_neon.h
+++ b/libgav1/src/dsp/arm/common_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_COMMON_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_COMMON_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/convolve_neon.cc b/libgav1/src/dsp/arm/convolve_neon.cc
index 13390b9..5f7eef7 100644
--- a/libgav1/src/dsp/arm/convolve_neon.cc
+++ b/libgav1/src/dsp/arm/convolve_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/convolve.h"
 #include "src/dsp/dsp.h"
 
diff --git a/libgav1/src/dsp/arm/convolve_neon.h b/libgav1/src/dsp/arm/convolve_neon.h
index 7eae136..a537650 100644
--- a/libgav1/src/dsp/arm/convolve_neon.h
+++ b/libgav1/src/dsp/arm/convolve_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_CONVOLVE_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_CONVOLVE_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/distance_weighted_blend_neon.cc b/libgav1/src/dsp/arm/distance_weighted_blend_neon.cc
index d0a95a2..39b34a9 100644
--- a/libgav1/src/dsp/arm/distance_weighted_blend_neon.cc
+++ b/libgav1/src/dsp/arm/distance_weighted_blend_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/distance_weighted_blend.h"
 #include "src/dsp/dsp.h"
 
diff --git a/libgav1/src/dsp/arm/distance_weighted_blend_neon.h b/libgav1/src/dsp/arm/distance_weighted_blend_neon.h
index 846b7e1..6d35956 100644
--- a/libgav1/src/dsp/arm/distance_weighted_blend_neon.h
+++ b/libgav1/src/dsp/arm/distance_weighted_blend_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_DISTANCE_WEIGHTED_BLEND_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_DISTANCE_WEIGHTED_BLEND_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/intra_edge_neon.cc b/libgav1/src/dsp/arm/intra_edge_neon.cc
index 3cc70b3..eff5a23 100644
--- a/libgav1/src/dsp/arm/intra_edge_neon.cc
+++ b/libgav1/src/dsp/arm/intra_edge_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/intra_edge.h"
 
diff --git a/libgav1/src/dsp/arm/intra_edge_neon.h b/libgav1/src/dsp/arm/intra_edge_neon.h
index 5da3c24..5ecba8a 100644
--- a/libgav1/src/dsp/arm/intra_edge_neon.h
+++ b/libgav1/src/dsp/arm/intra_edge_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_INTRA_EDGE_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_INTRA_EDGE_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/intrapred_cfl_neon.cc b/libgav1/src/dsp/arm/intrapred_cfl_neon.cc
index 7947fef..a4e4f05 100644
--- a/libgav1/src/dsp/arm/intrapred_cfl_neon.cc
+++ b/libgav1/src/dsp/arm/intrapred_cfl_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/intrapred.h"
 
diff --git a/libgav1/src/dsp/arm/intrapred_directional_neon.cc b/libgav1/src/dsp/arm/intrapred_directional_neon.cc
index 0684fa5..a4714d6 100644
--- a/libgav1/src/dsp/arm/intrapred_directional_neon.cc
+++ b/libgav1/src/dsp/arm/intrapred_directional_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/intrapred.h"
 
diff --git a/libgav1/src/dsp/arm/intrapred_filter_intra_neon.cc b/libgav1/src/dsp/arm/intrapred_filter_intra_neon.cc
index ed7287f..0887c85 100644
--- a/libgav1/src/dsp/arm/intrapred_filter_intra_neon.cc
+++ b/libgav1/src/dsp/arm/intrapred_filter_intra_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/intrapred.h"
 
diff --git a/libgav1/src/dsp/arm/intrapred_neon.cc b/libgav1/src/dsp/arm/intrapred_neon.cc
index dad050b..14ca346 100644
--- a/libgav1/src/dsp/arm/intrapred_neon.cc
+++ b/libgav1/src/dsp/arm/intrapred_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/intrapred.h"
 
diff --git a/libgav1/src/dsp/arm/intrapred_neon.h b/libgav1/src/dsp/arm/intrapred_neon.h
index 190f1a8..fa56228 100644
--- a/libgav1/src/dsp/arm/intrapred_neon.h
+++ b/libgav1/src/dsp/arm/intrapred_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_INTRAPRED_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_INTRAPRED_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/intrapred_smooth_neon.cc b/libgav1/src/dsp/arm/intrapred_smooth_neon.cc
index b251fa5..242587a 100644
--- a/libgav1/src/dsp/arm/intrapred_smooth_neon.cc
+++ b/libgav1/src/dsp/arm/intrapred_smooth_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/intrapred.h"
 
diff --git a/libgav1/src/dsp/arm/inverse_transform_neon.cc b/libgav1/src/dsp/arm/inverse_transform_neon.cc
index b251639..70b7ff6 100644
--- a/libgav1/src/dsp/arm/inverse_transform_neon.cc
+++ b/libgav1/src/dsp/arm/inverse_transform_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/inverse_transform.h"
 
diff --git a/libgav1/src/dsp/arm/inverse_transform_neon.h b/libgav1/src/dsp/arm/inverse_transform_neon.h
index eefaada..3c0e051 100644
--- a/libgav1/src/dsp/arm/inverse_transform_neon.h
+++ b/libgav1/src/dsp/arm/inverse_transform_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_INVERSE_TRANSFORM_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_INVERSE_TRANSFORM_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/loop_filter_neon.cc b/libgav1/src/dsp/arm/loop_filter_neon.cc
index 4a1b6a7..ab013b1 100644
--- a/libgav1/src/dsp/arm/loop_filter_neon.cc
+++ b/libgav1/src/dsp/arm/loop_filter_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/loop_filter.h"
 
diff --git a/libgav1/src/dsp/arm/loop_filter_neon.h b/libgav1/src/dsp/arm/loop_filter_neon.h
index ca80746..70289ac 100644
--- a/libgav1/src/dsp/arm/loop_filter_neon.h
+++ b/libgav1/src/dsp/arm/loop_filter_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_LOOP_FILTER_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_LOOP_FILTER_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/loop_restoration_neon.cc b/libgav1/src/dsp/arm/loop_restoration_neon.cc
index 62e49ae..be45673 100644
--- a/libgav1/src/dsp/arm/loop_restoration_neon.cc
+++ b/libgav1/src/dsp/arm/loop_restoration_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/loop_restoration.h"
 
diff --git a/libgav1/src/dsp/arm/loop_restoration_neon.h b/libgav1/src/dsp/arm/loop_restoration_neon.h
index 68f9526..a6ea74b 100644
--- a/libgav1/src/dsp/arm/loop_restoration_neon.h
+++ b/libgav1/src/dsp/arm/loop_restoration_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_LOOP_RESTORATION_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_LOOP_RESTORATION_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/mask_blend_neon.cc b/libgav1/src/dsp/arm/mask_blend_neon.cc
index bc69c55..03ac791 100644
--- a/libgav1/src/dsp/arm/mask_blend_neon.cc
+++ b/libgav1/src/dsp/arm/mask_blend_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/mask_blend.h"
 
diff --git a/libgav1/src/dsp/arm/mask_blend_neon.h b/libgav1/src/dsp/arm/mask_blend_neon.h
index eed54dd..3ac7cae 100644
--- a/libgav1/src/dsp/arm/mask_blend_neon.h
+++ b/libgav1/src/dsp/arm/mask_blend_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_MASK_BLEND_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_MASK_BLEND_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/obmc_neon.cc b/libgav1/src/dsp/arm/obmc_neon.cc
index 88c42c0..0bd994d 100644
--- a/libgav1/src/dsp/arm/obmc_neon.cc
+++ b/libgav1/src/dsp/arm/obmc_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/obmc.h"
 
diff --git a/libgav1/src/dsp/arm/obmc_neon.h b/libgav1/src/dsp/arm/obmc_neon.h
index 77a9fa8..3155cf0 100644
--- a/libgav1/src/dsp/arm/obmc_neon.h
+++ b/libgav1/src/dsp/arm/obmc_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_OBMC_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_OBMC_NEON_H_
 
diff --git a/libgav1/src/dsp/arm/warp_neon.cc b/libgav1/src/dsp/arm/warp_neon.cc
index f5673b0..b25f183 100644
--- a/libgav1/src/dsp/arm/warp_neon.cc
+++ b/libgav1/src/dsp/arm/warp_neon.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/warp.h"
 
diff --git a/libgav1/src/dsp/arm/warp_neon.h b/libgav1/src/dsp/arm/warp_neon.h
index c5e1bc0..5722249 100644
--- a/libgav1/src/dsp/arm/warp_neon.h
+++ b/libgav1/src/dsp/arm/warp_neon.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_ARM_WARP_NEON_H_
 #define LIBGAV1_SRC_DSP_ARM_WARP_NEON_H_
 
diff --git a/libgav1/src/dsp/average_blend.cc b/libgav1/src/dsp/average_blend.cc
index 438501a..98f4059 100644
--- a/libgav1/src/dsp/average_blend.cc
+++ b/libgav1/src/dsp/average_blend.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/average_blend.h"
 
 #include <cassert>
diff --git a/libgav1/src/dsp/average_blend.h b/libgav1/src/dsp/average_blend.h
index f91a102..02ecd09 100644
--- a/libgav1/src/dsp/average_blend.h
+++ b/libgav1/src/dsp/average_blend.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_AVERAGE_BLEND_H_
 #define LIBGAV1_SRC_DSP_AVERAGE_BLEND_H_
 
diff --git a/libgav1/src/dsp/cdef.cc b/libgav1/src/dsp/cdef.cc
index 84dc778..cd4f125 100644
--- a/libgav1/src/dsp/cdef.cc
+++ b/libgav1/src/dsp/cdef.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/cdef.h"
 
 #include <algorithm>
diff --git a/libgav1/src/dsp/cdef.h b/libgav1/src/dsp/cdef.h
index 3c1ab80..d97f4d2 100644
--- a/libgav1/src/dsp/cdef.h
+++ b/libgav1/src/dsp/cdef.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_CDEF_H_
 #define LIBGAV1_SRC_DSP_CDEF_H_
 
diff --git a/libgav1/src/dsp/common.h b/libgav1/src/dsp/common.h
index ddd67e4..62072c2 100644
--- a/libgav1/src/dsp/common.h
+++ b/libgav1/src/dsp/common.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_COMMON_H_
 #define LIBGAV1_SRC_DSP_COMMON_H_
 
diff --git a/libgav1/src/dsp/constants.cc b/libgav1/src/dsp/constants.cc
index df017a9..7c83e24 100644
--- a/libgav1/src/dsp/constants.cc
+++ b/libgav1/src/dsp/constants.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/constants.h"
 
 #include <cstdint>
diff --git a/libgav1/src/dsp/constants.h b/libgav1/src/dsp/constants.h
index 0889f8f..00ebf12 100644
--- a/libgav1/src/dsp/constants.h
+++ b/libgav1/src/dsp/constants.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_CONSTANTS_H_
 #define LIBGAV1_SRC_DSP_CONSTANTS_H_
 
diff --git a/libgav1/src/dsp/convolve.cc b/libgav1/src/dsp/convolve.cc
index 350196a..5358473 100644
--- a/libgav1/src/dsp/convolve.cc
+++ b/libgav1/src/dsp/convolve.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/convolve.h"
 
 #include <cassert>
diff --git a/libgav1/src/dsp/convolve.h b/libgav1/src/dsp/convolve.h
index 545e6ee..95019e2 100644
--- a/libgav1/src/dsp/convolve.h
+++ b/libgav1/src/dsp/convolve.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_CONVOLVE_H_
 #define LIBGAV1_SRC_DSP_CONVOLVE_H_
 
diff --git a/libgav1/src/dsp/cpu.cc b/libgav1/src/dsp/cpu.cc
index 7f8d90c..38c4a0b 100644
--- a/libgav1/src/dsp/cpu.cc
+++ b/libgav1/src/dsp/cpu.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/cpu.h"
 
 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
diff --git a/libgav1/src/dsp/cpu.h b/libgav1/src/dsp/cpu.h
index 409b148..70816f5 100644
--- a/libgav1/src/dsp/cpu.h
+++ b/libgav1/src/dsp/cpu.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_CPU_H_
 #define LIBGAV1_SRC_DSP_CPU_H_
 
diff --git a/libgav1/src/dsp/distance_weighted_blend.cc b/libgav1/src/dsp/distance_weighted_blend.cc
index 7213209..49326a7 100644
--- a/libgav1/src/dsp/distance_weighted_blend.cc
+++ b/libgav1/src/dsp/distance_weighted_blend.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/distance_weighted_blend.h"
 
 #include <cassert>
diff --git a/libgav1/src/dsp/distance_weighted_blend.h b/libgav1/src/dsp/distance_weighted_blend.h
index b37bd64..1a782b6 100644
--- a/libgav1/src/dsp/distance_weighted_blend.h
+++ b/libgav1/src/dsp/distance_weighted_blend.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_DISTANCE_WEIGHTED_BLEND_H_
 #define LIBGAV1_SRC_DSP_DISTANCE_WEIGHTED_BLEND_H_
 
diff --git a/libgav1/src/dsp/dsp.cc b/libgav1/src/dsp/dsp.cc
index c4bfc96..381c047 100644
--- a/libgav1/src/dsp/dsp.cc
+++ b/libgav1/src/dsp/dsp.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 
 #include <mutex>  // NOLINT (unapproved c++11 header)
diff --git a/libgav1/src/dsp/dsp.h b/libgav1/src/dsp/dsp.h
index 48b3371..b9f20de 100644
--- a/libgav1/src/dsp/dsp.h
+++ b/libgav1/src/dsp/dsp.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_DSP_H_
 #define LIBGAV1_SRC_DSP_DSP_H_
 
diff --git a/libgav1/src/dsp/film_grain.cc b/libgav1/src/dsp/film_grain.cc
index c7a5a7a..924ff40 100644
--- a/libgav1/src/dsp/film_grain.cc
+++ b/libgav1/src/dsp/film_grain.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/film_grain.h"
 
 #include <algorithm>
diff --git a/libgav1/src/dsp/film_grain.h b/libgav1/src/dsp/film_grain.h
index abc7312..b8b28c4 100644
--- a/libgav1/src/dsp/film_grain.h
+++ b/libgav1/src/dsp/film_grain.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_FILM_GRAIN_H_
 #define LIBGAV1_SRC_DSP_FILM_GRAIN_H_
 
diff --git a/libgav1/src/dsp/intra_edge.cc b/libgav1/src/dsp/intra_edge.cc
index 7f0bc4c..fe66db2 100644
--- a/libgav1/src/dsp/intra_edge.cc
+++ b/libgav1/src/dsp/intra_edge.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/intra_edge.h"
 
 #include <cassert>
diff --git a/libgav1/src/dsp/intra_edge.h b/libgav1/src/dsp/intra_edge.h
index 13664c7..172ecbb 100644
--- a/libgav1/src/dsp/intra_edge.h
+++ b/libgav1/src/dsp/intra_edge.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_INTRA_EDGE_H_
 #define LIBGAV1_SRC_DSP_INTRA_EDGE_H_
 
diff --git a/libgav1/src/dsp/intrapred.cc b/libgav1/src/dsp/intrapred.cc
index b602fc0..8eeb037 100644
--- a/libgav1/src/dsp/intrapred.cc
+++ b/libgav1/src/dsp/intrapred.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/intrapred.h"
 
 #include <algorithm>
diff --git a/libgav1/src/dsp/intrapred.h b/libgav1/src/dsp/intrapred.h
index 3038372..c5286ef 100644
--- a/libgav1/src/dsp/intrapred.h
+++ b/libgav1/src/dsp/intrapred.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_INTRAPRED_H_
 #define LIBGAV1_SRC_DSP_INTRAPRED_H_
 
diff --git a/libgav1/src/dsp/inverse_transform.cc b/libgav1/src/dsp/inverse_transform.cc
index 1ce5e84..5f8548f 100644
--- a/libgav1/src/dsp/inverse_transform.cc
+++ b/libgav1/src/dsp/inverse_transform.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/inverse_transform.h"
 
 #include <algorithm>
diff --git a/libgav1/src/dsp/inverse_transform.h b/libgav1/src/dsp/inverse_transform.h
index 28faec7..0916665 100644
--- a/libgav1/src/dsp/inverse_transform.h
+++ b/libgav1/src/dsp/inverse_transform.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_INVERSE_TRANSFORM_H_
 #define LIBGAV1_SRC_DSP_INVERSE_TRANSFORM_H_
 
diff --git a/libgav1/src/dsp/inverse_transform.inc b/libgav1/src/dsp/inverse_transform.inc
index 3bffa23..55e68b6 100644
--- a/libgav1/src/dsp/inverse_transform.inc
+++ b/libgav1/src/dsp/inverse_transform.inc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Constants and utility functions used for inverse transform implementations.
 // This will be included inside an anonymous namespace on files where these are
 // necessary.
diff --git a/libgav1/src/dsp/loop_filter.cc b/libgav1/src/dsp/loop_filter.cc
index 4c7fb73..946952b 100644
--- a/libgav1/src/dsp/loop_filter.cc
+++ b/libgav1/src/dsp/loop_filter.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/loop_filter.h"
 
 #include <cassert>
diff --git a/libgav1/src/dsp/loop_filter.h b/libgav1/src/dsp/loop_filter.h
index c9e602c..1ddad71 100644
--- a/libgav1/src/dsp/loop_filter.h
+++ b/libgav1/src/dsp/loop_filter.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_LOOP_FILTER_H_
 #define LIBGAV1_SRC_DSP_LOOP_FILTER_H_
 
diff --git a/libgav1/src/dsp/loop_restoration.cc b/libgav1/src/dsp/loop_restoration.cc
index 76ef62a..5e6f9a0 100644
--- a/libgav1/src/dsp/loop_restoration.cc
+++ b/libgav1/src/dsp/loop_restoration.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/loop_restoration.h"
 
 #include <algorithm>  // std::max
diff --git a/libgav1/src/dsp/loop_restoration.h b/libgav1/src/dsp/loop_restoration.h
index 0fa4e0f..663639c 100644
--- a/libgav1/src/dsp/loop_restoration.h
+++ b/libgav1/src/dsp/loop_restoration.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_LOOP_RESTORATION_H_
 #define LIBGAV1_SRC_DSP_LOOP_RESTORATION_H_
 
diff --git a/libgav1/src/dsp/mask_blend.cc b/libgav1/src/dsp/mask_blend.cc
index a6e6805..b011a4b 100644
--- a/libgav1/src/dsp/mask_blend.cc
+++ b/libgav1/src/dsp/mask_blend.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/mask_blend.h"
 
 #include <cassert>
diff --git a/libgav1/src/dsp/mask_blend.h b/libgav1/src/dsp/mask_blend.h
index 5c53270..c0e77dd 100644
--- a/libgav1/src/dsp/mask_blend.h
+++ b/libgav1/src/dsp/mask_blend.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_MASK_BLEND_H_
 #define LIBGAV1_SRC_DSP_MASK_BLEND_H_
 
diff --git a/libgav1/src/dsp/obmc.cc b/libgav1/src/dsp/obmc.cc
index 6c81852..46d1b5b 100644
--- a/libgav1/src/dsp/obmc.cc
+++ b/libgav1/src/dsp/obmc.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/obmc.h"
 
 #include <cassert>
diff --git a/libgav1/src/dsp/obmc.h b/libgav1/src/dsp/obmc.h
index 4a6d9cb..3b826c7 100644
--- a/libgav1/src/dsp/obmc.h
+++ b/libgav1/src/dsp/obmc.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_OBMC_H_
 #define LIBGAV1_SRC_DSP_OBMC_H_
 
diff --git a/libgav1/src/dsp/obmc.inc b/libgav1/src/dsp/obmc.inc
index e510226..001c6ee 100644
--- a/libgav1/src/dsp/obmc.inc
+++ b/libgav1/src/dsp/obmc.inc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Constants and utility functions used for overlap blend implementations.
 // This will be included inside an anonymous namespace on files where these are
 // necessary.
diff --git a/libgav1/src/dsp/warp.cc b/libgav1/src/dsp/warp.cc
index 1dd904f..aae3be1 100644
--- a/libgav1/src/dsp/warp.cc
+++ b/libgav1/src/dsp/warp.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/warp.h"
 
 #include <algorithm>
diff --git a/libgav1/src/dsp/warp.h b/libgav1/src/dsp/warp.h
index cd5f177..3e5b9e0 100644
--- a/libgav1/src/dsp/warp.h
+++ b/libgav1/src/dsp/warp.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_WARP_H_
 #define LIBGAV1_SRC_DSP_WARP_H_
 
diff --git a/libgav1/src/dsp/x86/average_blend_sse4.cc b/libgav1/src/dsp/x86/average_blend_sse4.cc
index 0ad0954..264ed02 100644
--- a/libgav1/src/dsp/x86/average_blend_sse4.cc
+++ b/libgav1/src/dsp/x86/average_blend_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/average_blend.h"
 #include "src/dsp/dsp.h"
 
diff --git a/libgav1/src/dsp/x86/average_blend_sse4.h b/libgav1/src/dsp/x86/average_blend_sse4.h
index 26449d1..ba4fac6 100644
--- a/libgav1/src/dsp/x86/average_blend_sse4.h
+++ b/libgav1/src/dsp/x86/average_blend_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_AVERAGE_BLEND_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_AVERAGE_BLEND_SSE4_H_
 
diff --git a/libgav1/src/dsp/x86/common_sse4.h b/libgav1/src/dsp/x86/common_sse4.h
index 5d77216..8ff1ecb 100644
--- a/libgav1/src/dsp/x86/common_sse4.h
+++ b/libgav1/src/dsp/x86/common_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_COMMON_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_COMMON_SSE4_H_
 
diff --git a/libgav1/src/dsp/x86/convolve_sse4.cc b/libgav1/src/dsp/x86/convolve_sse4.cc
index b945b09..a22df1b 100644
--- a/libgav1/src/dsp/x86/convolve_sse4.cc
+++ b/libgav1/src/dsp/x86/convolve_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/convolve.h"
 #include "src/dsp/dsp.h"
 
diff --git a/libgav1/src/dsp/x86/convolve_sse4.h b/libgav1/src/dsp/x86/convolve_sse4.h
index 1cc240d..33b74c9 100644
--- a/libgav1/src/dsp/x86/convolve_sse4.h
+++ b/libgav1/src/dsp/x86/convolve_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_CONVOLVE_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_CONVOLVE_SSE4_H_
 
diff --git a/libgav1/src/dsp/x86/distance_weighted_blend_sse4.cc b/libgav1/src/dsp/x86/distance_weighted_blend_sse4.cc
index 3a9673a..c8106bb 100644
--- a/libgav1/src/dsp/x86/distance_weighted_blend_sse4.cc
+++ b/libgav1/src/dsp/x86/distance_weighted_blend_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/distance_weighted_blend.h"
 #include "src/dsp/dsp.h"
 
diff --git a/libgav1/src/dsp/x86/distance_weighted_blend_sse4.h b/libgav1/src/dsp/x86/distance_weighted_blend_sse4.h
index 831853d..34ed7a4 100644
--- a/libgav1/src/dsp/x86/distance_weighted_blend_sse4.h
+++ b/libgav1/src/dsp/x86/distance_weighted_blend_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_DISTANCE_WEIGHTED_BLEND_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_DISTANCE_WEIGHTED_BLEND_SSE4_H_
 
diff --git a/libgav1/src/dsp/x86/intra_edge_sse4.cc b/libgav1/src/dsp/x86/intra_edge_sse4.cc
index 7a20927..62b2bcd 100644
--- a/libgav1/src/dsp/x86/intra_edge_sse4.cc
+++ b/libgav1/src/dsp/x86/intra_edge_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/intra_edge.h"
 
diff --git a/libgav1/src/dsp/x86/intra_edge_sse4.h b/libgav1/src/dsp/x86/intra_edge_sse4.h
index 7803ce9..f5b4166 100644
--- a/libgav1/src/dsp/x86/intra_edge_sse4.h
+++ b/libgav1/src/dsp/x86/intra_edge_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_INTRA_EDGE_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_INTRA_EDGE_SSE4_H_
 
diff --git a/libgav1/src/dsp/x86/intrapred_cfl_sse4.cc b/libgav1/src/dsp/x86/intrapred_cfl_sse4.cc
index 26c2ba0..6e86b10 100644
--- a/libgav1/src/dsp/x86/intrapred_cfl_sse4.cc
+++ b/libgav1/src/dsp/x86/intrapred_cfl_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/intrapred.h"
 
diff --git a/libgav1/src/dsp/x86/intrapred_smooth_sse4.cc b/libgav1/src/dsp/x86/intrapred_smooth_sse4.cc
index eefe8c6..a21b8df 100644
--- a/libgav1/src/dsp/x86/intrapred_smooth_sse4.cc
+++ b/libgav1/src/dsp/x86/intrapred_smooth_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/intrapred.h"
 
diff --git a/libgav1/src/dsp/x86/intrapred_sse4.cc b/libgav1/src/dsp/x86/intrapred_sse4.cc
index 8651437..ec27eb7 100644
--- a/libgav1/src/dsp/x86/intrapred_sse4.cc
+++ b/libgav1/src/dsp/x86/intrapred_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/intrapred.h"
 
diff --git a/libgav1/src/dsp/x86/intrapred_sse4.h b/libgav1/src/dsp/x86/intrapred_sse4.h
index c44c533..f812ec1 100644
--- a/libgav1/src/dsp/x86/intrapred_sse4.h
+++ b/libgav1/src/dsp/x86/intrapred_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_INTRAPRED_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_INTRAPRED_SSE4_H_
 
diff --git a/libgav1/src/dsp/x86/inverse_transform_sse4.cc b/libgav1/src/dsp/x86/inverse_transform_sse4.cc
index 81f6244..56bace1 100644
--- a/libgav1/src/dsp/x86/inverse_transform_sse4.cc
+++ b/libgav1/src/dsp/x86/inverse_transform_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/inverse_transform.h"
 
diff --git a/libgav1/src/dsp/x86/inverse_transform_sse4.h b/libgav1/src/dsp/x86/inverse_transform_sse4.h
index 72fda5a..c1eab25 100644
--- a/libgav1/src/dsp/x86/inverse_transform_sse4.h
+++ b/libgav1/src/dsp/x86/inverse_transform_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_INVERSE_TRANSFORM_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_INVERSE_TRANSFORM_SSE4_H_
 
diff --git a/libgav1/src/dsp/x86/loop_filter_sse4.cc b/libgav1/src/dsp/x86/loop_filter_sse4.cc
index 4c5ab23..60684c5 100644
--- a/libgav1/src/dsp/x86/loop_filter_sse4.cc
+++ b/libgav1/src/dsp/x86/loop_filter_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/loop_filter.h"
 
diff --git a/libgav1/src/dsp/x86/loop_filter_sse4.h b/libgav1/src/dsp/x86/loop_filter_sse4.h
index 841eeec..20ccdef 100644
--- a/libgav1/src/dsp/x86/loop_filter_sse4.h
+++ b/libgav1/src/dsp/x86/loop_filter_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_LOOP_FILTER_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_LOOP_FILTER_SSE4_H_
 
diff --git a/libgav1/src/dsp/x86/loop_restoration_sse4.cc b/libgav1/src/dsp/x86/loop_restoration_sse4.cc
index 3a08fc4..29c97ca 100644
--- a/libgav1/src/dsp/x86/loop_restoration_sse4.cc
+++ b/libgav1/src/dsp/x86/loop_restoration_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/loop_restoration.h"
 
diff --git a/libgav1/src/dsp/x86/loop_restoration_sse4.h b/libgav1/src/dsp/x86/loop_restoration_sse4.h
index 2a91938..38094c7 100644
--- a/libgav1/src/dsp/x86/loop_restoration_sse4.h
+++ b/libgav1/src/dsp/x86/loop_restoration_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_LOOP_RESTORATION_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_LOOP_RESTORATION_SSE4_H_
 
diff --git a/libgav1/src/dsp/x86/obmc_sse4.cc b/libgav1/src/dsp/x86/obmc_sse4.cc
index 33aa8e4..5d1ca7a 100644
--- a/libgav1/src/dsp/x86/obmc_sse4.cc
+++ b/libgav1/src/dsp/x86/obmc_sse4.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/dsp/dsp.h"
 #include "src/dsp/obmc.h"
 
diff --git a/libgav1/src/dsp/x86/obmc_sse4.h b/libgav1/src/dsp/x86/obmc_sse4.h
index aa00124..bc01cf3 100644
--- a/libgav1/src/dsp/x86/obmc_sse4.h
+++ b/libgav1/src/dsp/x86/obmc_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_OBMC_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_OBMC_SSE4_H_
 
diff --git a/libgav1/src/dsp/x86/transpose_sse4.h b/libgav1/src/dsp/x86/transpose_sse4.h
index b222266..993b42f 100644
--- a/libgav1/src/dsp/x86/transpose_sse4.h
+++ b/libgav1/src/dsp/x86/transpose_sse4.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_DSP_X86_TRANSPOSE_SSE4_H_
 #define LIBGAV1_SRC_DSP_X86_TRANSPOSE_SSE4_H_
 
diff --git a/libgav1/src/frame_buffer.h b/libgav1/src/frame_buffer.h
index 6f077dc..8eadccb 100644
--- a/libgav1/src/frame_buffer.h
+++ b/libgav1/src/frame_buffer.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_FRAME_BUFFER_H_
 #define LIBGAV1_SRC_FRAME_BUFFER_H_
 
diff --git a/libgav1/src/internal_frame_buffer_list.cc b/libgav1/src/internal_frame_buffer_list.cc
index 7055e03..d1ea30f 100644
--- a/libgav1/src/internal_frame_buffer_list.cc
+++ b/libgav1/src/internal_frame_buffer_list.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/internal_frame_buffer_list.h"
 
 #include <cstdint>
diff --git a/libgav1/src/internal_frame_buffer_list.h b/libgav1/src/internal_frame_buffer_list.h
index 2065f85..8498d35 100644
--- a/libgav1/src/internal_frame_buffer_list.h
+++ b/libgav1/src/internal_frame_buffer_list.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_INTERNAL_FRAME_BUFFER_LIST_H_
 #define LIBGAV1_SRC_INTERNAL_FRAME_BUFFER_LIST_H_
 
diff --git a/libgav1/src/loop_filter_mask.cc b/libgav1/src/loop_filter_mask.cc
index aaae2c7..86b454e 100644
--- a/libgav1/src/loop_filter_mask.cc
+++ b/libgav1/src/loop_filter_mask.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/loop_filter_mask.h"
 
 #include <algorithm>
diff --git a/libgav1/src/loop_filter_mask.h b/libgav1/src/loop_filter_mask.h
index 472c95f..314f020 100644
--- a/libgav1/src/loop_filter_mask.h
+++ b/libgav1/src/loop_filter_mask.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_LOOP_FILTER_MASK_H_
 #define LIBGAV1_SRC_LOOP_FILTER_MASK_H_
 
diff --git a/libgav1/src/loop_restoration_info.cc b/libgav1/src/loop_restoration_info.cc
index cfeebed..23fa1b4 100644
--- a/libgav1/src/loop_restoration_info.cc
+++ b/libgav1/src/loop_restoration_info.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/loop_restoration_info.h"
 
 #include <algorithm>
diff --git a/libgav1/src/loop_restoration_info.h b/libgav1/src/loop_restoration_info.h
index 61a1cfd..c3c3e97 100644
--- a/libgav1/src/loop_restoration_info.h
+++ b/libgav1/src/loop_restoration_info.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_LOOP_RESTORATION_INFO_H_
 #define LIBGAV1_SRC_LOOP_RESTORATION_INFO_H_
 
diff --git a/libgav1/src/motion_vector.cc b/libgav1/src/motion_vector.cc
index f807da8..ff82b43 100644
--- a/libgav1/src/motion_vector.cc
+++ b/libgav1/src/motion_vector.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/motion_vector.h"
 
 #include <algorithm>
diff --git a/libgav1/src/motion_vector.h b/libgav1/src/motion_vector.h
index bd32349..1f01f6b 100644
--- a/libgav1/src/motion_vector.h
+++ b/libgav1/src/motion_vector.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_MOTION_VECTOR_H_
 #define LIBGAV1_SRC_MOTION_VECTOR_H_
 
diff --git a/libgav1/src/obu_parser.cc b/libgav1/src/obu_parser.cc
index c4b8e94..e2138d3 100644
--- a/libgav1/src/obu_parser.cc
+++ b/libgav1/src/obu_parser.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/obu_parser.h"
 
 #include <algorithm>
diff --git a/libgav1/src/obu_parser.h b/libgav1/src/obu_parser.h
index e331e66..1671b13 100644
--- a/libgav1/src/obu_parser.h
+++ b/libgav1/src/obu_parser.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_OBU_PARSER_H_
 #define LIBGAV1_SRC_OBU_PARSER_H_
 
diff --git a/libgav1/src/post_filter.cc b/libgav1/src/post_filter.cc
index 761f1b6..945a906 100644
--- a/libgav1/src/post_filter.cc
+++ b/libgav1/src/post_filter.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/post_filter.h"
 
 #include <algorithm>
diff --git a/libgav1/src/post_filter.h b/libgav1/src/post_filter.h
index b6c9518..c4146cb 100644
--- a/libgav1/src/post_filter.h
+++ b/libgav1/src/post_filter.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_POST_FILTER_H_
 #define LIBGAV1_SRC_POST_FILTER_H_
 
diff --git a/libgav1/src/prediction_mask.cc b/libgav1/src/prediction_mask.cc
index 2ea8e0c..1ca2d6e 100644
--- a/libgav1/src/prediction_mask.cc
+++ b/libgav1/src/prediction_mask.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/prediction_mask.h"
 
 #include <algorithm>
diff --git a/libgav1/src/prediction_mask.h b/libgav1/src/prediction_mask.h
index ce6c5cc..d324e00 100644
--- a/libgav1/src/prediction_mask.h
+++ b/libgav1/src/prediction_mask.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_PREDICTION_MASK_H_
 #define LIBGAV1_SRC_PREDICTION_MASK_H_
 
diff --git a/libgav1/src/quantizer.cc b/libgav1/src/quantizer.cc
index 57094b7..68a3ad4 100644
--- a/libgav1/src/quantizer.cc
+++ b/libgav1/src/quantizer.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/quantizer.h"
 
 #include <cassert>
diff --git a/libgav1/src/quantizer.h b/libgav1/src/quantizer.h
index 8e87ab0..ba98f81 100644
--- a/libgav1/src/quantizer.h
+++ b/libgav1/src/quantizer.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_QUANTIZER_H_
 #define LIBGAV1_SRC_QUANTIZER_H_
 
diff --git a/libgav1/src/quantizer_tables.inc b/libgav1/src/quantizer_tables.inc
index 6d43a84..9054652 100644
--- a/libgav1/src/quantizer_tables.inc
+++ b/libgav1/src/quantizer_tables.inc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // This file is just a convenience to separate out all the quantizer table
 // definitions from the quantizer functions.
 
diff --git a/libgav1/src/reconstruction.cc b/libgav1/src/reconstruction.cc
index 83968ed..7772878 100644
--- a/libgav1/src/reconstruction.cc
+++ b/libgav1/src/reconstruction.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/reconstruction.h"
 
 #include <cassert>
diff --git a/libgav1/src/reconstruction.h b/libgav1/src/reconstruction.h
index e73f567..3ef0381 100644
--- a/libgav1/src/reconstruction.h
+++ b/libgav1/src/reconstruction.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_RECONSTRUCTION_H_
 #define LIBGAV1_SRC_RECONSTRUCTION_H_
 
diff --git a/libgav1/src/residual_buffer_pool.cc b/libgav1/src/residual_buffer_pool.cc
index c21bb9a..e166392 100644
--- a/libgav1/src/residual_buffer_pool.cc
+++ b/libgav1/src/residual_buffer_pool.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/residual_buffer_pool.h"
 
 #include <mutex>  // NOLINT (unapproved c++11 header)
diff --git a/libgav1/src/residual_buffer_pool.h b/libgav1/src/residual_buffer_pool.h
index ab9c1e6..497579d 100644
--- a/libgav1/src/residual_buffer_pool.h
+++ b/libgav1/src/residual_buffer_pool.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_RESIDUAL_BUFFER_POOL_H_
 #define LIBGAV1_SRC_RESIDUAL_BUFFER_POOL_H_
 
diff --git a/libgav1/src/scan_tables.inc b/libgav1/src/scan_tables.inc
index 3caacde..a535feb 100644
--- a/libgav1/src/scan_tables.inc
+++ b/libgav1/src/scan_tables.inc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // This file contains all the scan order tables.
 
 const uint16_t kDefaultScan4x4[16] = {0, 1,  4,  8,  5, 2,  3,  6,
diff --git a/libgav1/src/status_code.h b/libgav1/src/status_code.h
index 151523c..dad0548 100644
--- a/libgav1/src/status_code.h
+++ b/libgav1/src/status_code.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_STATUS_CODE_H_
 #define LIBGAV1_SRC_STATUS_CODE_H_
 
diff --git a/libgav1/src/symbol_decoder_context.cc b/libgav1/src/symbol_decoder_context.cc
index c7bef4a..557002c 100644
--- a/libgav1/src/symbol_decoder_context.cc
+++ b/libgav1/src/symbol_decoder_context.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/symbol_decoder_context.h"
 
 #include <cassert>
diff --git a/libgav1/src/symbol_decoder_context.h b/libgav1/src/symbol_decoder_context.h
index 63f37ce..8713f5b 100644
--- a/libgav1/src/symbol_decoder_context.h
+++ b/libgav1/src/symbol_decoder_context.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_SYMBOL_DECODER_CONTEXT_H_
 #define LIBGAV1_SRC_SYMBOL_DECODER_CONTEXT_H_
 
diff --git a/libgav1/src/symbol_decoder_context_cdfs.inc b/libgav1/src/symbol_decoder_context_cdfs.inc
index 9b720ff..da18e6a 100644
--- a/libgav1/src/symbol_decoder_context_cdfs.inc
+++ b/libgav1/src/symbol_decoder_context_cdfs.inc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // This file is just a convenience to separate out all the CDF constant
 // definitions from the symbol decoder context functions.
 
diff --git a/libgav1/src/symbol_visibility.h b/libgav1/src/symbol_visibility.h
index 5c79687..c9ed53b 100644
--- a/libgav1/src/symbol_visibility.h
+++ b/libgav1/src/symbol_visibility.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_SYMBOL_VISIBILITY_H_
 #define LIBGAV1_SRC_SYMBOL_VISIBILITY_H_
 
diff --git a/libgav1/src/threading_strategy.cc b/libgav1/src/threading_strategy.cc
index 9c2d54d..5e98da8 100644
--- a/libgav1/src/threading_strategy.cc
+++ b/libgav1/src/threading_strategy.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/threading_strategy.h"
 
 #include <algorithm>
diff --git a/libgav1/src/threading_strategy.h b/libgav1/src/threading_strategy.h
index 2745195..3f354f0 100644
--- a/libgav1/src/threading_strategy.h
+++ b/libgav1/src/threading_strategy.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_THREADING_STRATEGY_H_
 #define LIBGAV1_SRC_THREADING_STRATEGY_H_
 
diff --git a/libgav1/src/tile.h b/libgav1/src/tile.h
index 61637cd..2533452 100644
--- a/libgav1/src/tile.h
+++ b/libgav1/src/tile.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_TILE_H_
 #define LIBGAV1_SRC_TILE_H_
 
diff --git a/libgav1/src/tile/bitstream/mode_info.cc b/libgav1/src/tile/bitstream/mode_info.cc
index bdf92bf..a50a195 100644
--- a/libgav1/src/tile/bitstream/mode_info.cc
+++ b/libgav1/src/tile/bitstream/mode_info.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <algorithm>
 #include <array>
 #include <cassert>
diff --git a/libgav1/src/tile/bitstream/palette.cc b/libgav1/src/tile/bitstream/palette.cc
index 2438ca9..ee75839 100644
--- a/libgav1/src/tile/bitstream/palette.cc
+++ b/libgav1/src/tile/bitstream/palette.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <algorithm>
 #include <cassert>
 #include <cstdint>
diff --git a/libgav1/src/tile/bitstream/partition.cc b/libgav1/src/tile/bitstream/partition.cc
index 3a31095..84e8cf0 100644
--- a/libgav1/src/tile/bitstream/partition.cc
+++ b/libgav1/src/tile/bitstream/partition.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <cassert>
 #include <cstdint>
 
diff --git a/libgav1/src/tile/bitstream/transform_size.cc b/libgav1/src/tile/bitstream/transform_size.cc
index 36867f1..1d95fca 100644
--- a/libgav1/src/tile/bitstream/transform_size.cc
+++ b/libgav1/src/tile/bitstream/transform_size.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <algorithm>
 #include <cstdint>
 #include <cstring>
diff --git a/libgav1/src/tile/prediction.cc b/libgav1/src/tile/prediction.cc
index 89769fc..5232b71 100644
--- a/libgav1/src/tile/prediction.cc
+++ b/libgav1/src/tile/prediction.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <algorithm>
 #include <array>
 #include <cassert>
diff --git a/libgav1/src/tile/tile.cc b/libgav1/src/tile/tile.cc
index 4e94e17..96c724f 100644
--- a/libgav1/src/tile/tile.cc
+++ b/libgav1/src/tile/tile.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/tile.h"
 
 #include <algorithm>
diff --git a/libgav1/src/utils/array_2d.h b/libgav1/src/utils/array_2d.h
index 08b68c3..4eaaf32 100644
--- a/libgav1/src/utils/array_2d.h
+++ b/libgav1/src/utils/array_2d.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_ARRAY_2D_H_
 #define LIBGAV1_SRC_UTILS_ARRAY_2D_H_
 
diff --git a/libgav1/src/utils/bit_mask_set.h b/libgav1/src/utils/bit_mask_set.h
index 6e10315..7371753 100644
--- a/libgav1/src/utils/bit_mask_set.h
+++ b/libgav1/src/utils/bit_mask_set.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_BIT_MASK_SET_H_
 #define LIBGAV1_SRC_UTILS_BIT_MASK_SET_H_
 
diff --git a/libgav1/src/utils/bit_reader.cc b/libgav1/src/utils/bit_reader.cc
index 8975965..3234128 100644
--- a/libgav1/src/utils/bit_reader.cc
+++ b/libgav1/src/utils/bit_reader.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/bit_reader.h"
 
 #include <cassert>
diff --git a/libgav1/src/utils/bit_reader.h b/libgav1/src/utils/bit_reader.h
index 172107c..5a10e12 100644
--- a/libgav1/src/utils/bit_reader.h
+++ b/libgav1/src/utils/bit_reader.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_BIT_READER_H_
 #define LIBGAV1_SRC_UTILS_BIT_READER_H_
 
diff --git a/libgav1/src/utils/block_parameters_holder.cc b/libgav1/src/utils/block_parameters_holder.cc
index a207aa9..316510e 100644
--- a/libgav1/src/utils/block_parameters_holder.cc
+++ b/libgav1/src/utils/block_parameters_holder.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/block_parameters_holder.h"
 
 #include <algorithm>
diff --git a/libgav1/src/utils/block_parameters_holder.h b/libgav1/src/utils/block_parameters_holder.h
index d92791b..9cf5478 100644
--- a/libgav1/src/utils/block_parameters_holder.h
+++ b/libgav1/src/utils/block_parameters_holder.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_BLOCK_PARAMETERS_HOLDER_H_
 #define LIBGAV1_SRC_UTILS_BLOCK_PARAMETERS_HOLDER_H_
 
diff --git a/libgav1/src/utils/blocking_counter.h b/libgav1/src/utils/blocking_counter.h
index 7fe3c97..6d664f8 100644
--- a/libgav1/src/utils/blocking_counter.h
+++ b/libgav1/src/utils/blocking_counter.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_BLOCKING_COUNTER_H_
 #define LIBGAV1_SRC_UTILS_BLOCKING_COUNTER_H_
 
diff --git a/libgav1/src/utils/common.h b/libgav1/src/utils/common.h
index b6d3f01..661483d 100644
--- a/libgav1/src/utils/common.h
+++ b/libgav1/src/utils/common.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_COMMON_H_
 #define LIBGAV1_SRC_UTILS_COMMON_H_
 
diff --git a/libgav1/src/utils/compiler_attributes.h b/libgav1/src/utils/compiler_attributes.h
index 068eeb0..f2bc750 100644
--- a/libgav1/src/utils/compiler_attributes.h
+++ b/libgav1/src/utils/compiler_attributes.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_COMPILER_ATTRIBUTES_H_
 #define LIBGAV1_SRC_UTILS_COMPILER_ATTRIBUTES_H_
 
diff --git a/libgav1/src/utils/constants.cc b/libgav1/src/utils/constants.cc
index cc8a33f..98e2fbf 100644
--- a/libgav1/src/utils/constants.cc
+++ b/libgav1/src/utils/constants.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/constants.h"
 
 namespace libgav1 {
diff --git a/libgav1/src/utils/constants.h b/libgav1/src/utils/constants.h
index cacd8c8..c08b253 100644
--- a/libgav1/src/utils/constants.h
+++ b/libgav1/src/utils/constants.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_CONSTANTS_H_
 #define LIBGAV1_SRC_UTILS_CONSTANTS_H_
 
diff --git a/libgav1/src/utils/entropy_decoder.cc b/libgav1/src/utils/entropy_decoder.cc
index d8fdc20..acf0b08 100644
--- a/libgav1/src/utils/entropy_decoder.cc
+++ b/libgav1/src/utils/entropy_decoder.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/entropy_decoder.h"
 
 #include <cassert>
diff --git a/libgav1/src/utils/entropy_decoder.h b/libgav1/src/utils/entropy_decoder.h
index dfaf36a..5867a61 100644
--- a/libgav1/src/utils/entropy_decoder.h
+++ b/libgav1/src/utils/entropy_decoder.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_ENTROPY_DECODER_H_
 #define LIBGAV1_SRC_UTILS_ENTROPY_DECODER_H_
 
diff --git a/libgav1/src/utils/executor.cc b/libgav1/src/utils/executor.cc
index 7d4130f..6934057 100644
--- a/libgav1/src/utils/executor.cc
+++ b/libgav1/src/utils/executor.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/executor.h"
 
 namespace libgav1 {
diff --git a/libgav1/src/utils/executor.h b/libgav1/src/utils/executor.h
index c2ea535..21abdf8 100644
--- a/libgav1/src/utils/executor.h
+++ b/libgav1/src/utils/executor.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_EXECUTOR_H_
 #define LIBGAV1_SRC_UTILS_EXECUTOR_H_
 
diff --git a/libgav1/src/utils/logging.cc b/libgav1/src/utils/logging.cc
index 73cf6c3..26e3e15 100644
--- a/libgav1/src/utils/logging.cc
+++ b/libgav1/src/utils/logging.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/logging.h"
 
 #include <cstdarg>
diff --git a/libgav1/src/utils/logging.h b/libgav1/src/utils/logging.h
index e54d90f..378d369 100644
--- a/libgav1/src/utils/logging.h
+++ b/libgav1/src/utils/logging.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_LOGGING_H_
 #define LIBGAV1_SRC_UTILS_LOGGING_H_
 
diff --git a/libgav1/src/utils/memory.h b/libgav1/src/utils/memory.h
index c5eeb26..f9d921a 100644
--- a/libgav1/src/utils/memory.h
+++ b/libgav1/src/utils/memory.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_MEMORY_H_
 #define LIBGAV1_SRC_UTILS_MEMORY_H_
 
diff --git a/libgav1/src/utils/parameter_tree.cc b/libgav1/src/utils/parameter_tree.cc
index cd4b24b..9426ce6 100644
--- a/libgav1/src/utils/parameter_tree.cc
+++ b/libgav1/src/utils/parameter_tree.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/parameter_tree.h"
 
 #include <cassert>
diff --git a/libgav1/src/utils/parameter_tree.h b/libgav1/src/utils/parameter_tree.h
index fabf51a..935f3eb 100644
--- a/libgav1/src/utils/parameter_tree.h
+++ b/libgav1/src/utils/parameter_tree.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_PARAMETER_TREE_H_
 #define LIBGAV1_SRC_UTILS_PARAMETER_TREE_H_
 
diff --git a/libgav1/src/utils/queue.h b/libgav1/src/utils/queue.h
index 614acef..41ecda9 100644
--- a/libgav1/src/utils/queue.h
+++ b/libgav1/src/utils/queue.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_QUEUE_H_
 #define LIBGAV1_SRC_UTILS_QUEUE_H_
 
diff --git a/libgav1/src/utils/raw_bit_reader.cc b/libgav1/src/utils/raw_bit_reader.cc
index eb9c5c9..271d1b6 100644
--- a/libgav1/src/utils/raw_bit_reader.cc
+++ b/libgav1/src/utils/raw_bit_reader.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/raw_bit_reader.h"
 
 #include <cassert>
diff --git a/libgav1/src/utils/raw_bit_reader.h b/libgav1/src/utils/raw_bit_reader.h
index b95ad27..76e7bfa 100644
--- a/libgav1/src/utils/raw_bit_reader.h
+++ b/libgav1/src/utils/raw_bit_reader.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_RAW_BIT_READER_H_
 #define LIBGAV1_SRC_UTILS_RAW_BIT_READER_H_
 
diff --git a/libgav1/src/utils/segmentation.cc b/libgav1/src/utils/segmentation.cc
index 36446f2..75fa776 100644
--- a/libgav1/src/utils/segmentation.cc
+++ b/libgav1/src/utils/segmentation.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/segmentation.h"
 
 namespace libgav1 {
diff --git a/libgav1/src/utils/segmentation.h b/libgav1/src/utils/segmentation.h
index f74bdb8..0467c85 100644
--- a/libgav1/src/utils/segmentation.h
+++ b/libgav1/src/utils/segmentation.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_SEGMENTATION_H_
 #define LIBGAV1_SRC_UTILS_SEGMENTATION_H_
 
diff --git a/libgav1/src/utils/segmentation_map.cc b/libgav1/src/utils/segmentation_map.cc
index aab176f..4284ca2 100644
--- a/libgav1/src/utils/segmentation_map.cc
+++ b/libgav1/src/utils/segmentation_map.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/segmentation_map.h"
 
 #include <cassert>
diff --git a/libgav1/src/utils/segmentation_map.h b/libgav1/src/utils/segmentation_map.h
index 8124b4b..499be24 100644
--- a/libgav1/src/utils/segmentation_map.h
+++ b/libgav1/src/utils/segmentation_map.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_SEGMENTATION_MAP_H_
 #define LIBGAV1_SRC_UTILS_SEGMENTATION_MAP_H_
 
diff --git a/libgav1/src/utils/stack.h b/libgav1/src/utils/stack.h
index 3d0cf4c..39133b9 100644
--- a/libgav1/src/utils/stack.h
+++ b/libgav1/src/utils/stack.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_STACK_H_
 #define LIBGAV1_SRC_UTILS_STACK_H_
 
diff --git a/libgav1/src/utils/threadpool.cc b/libgav1/src/utils/threadpool.cc
index 681ade6..6f9d2f5 100644
--- a/libgav1/src/utils/threadpool.cc
+++ b/libgav1/src/utils/threadpool.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/utils/threadpool.h"
 
 #if defined(_MSC_VER)
diff --git a/libgav1/src/utils/threadpool.h b/libgav1/src/utils/threadpool.h
index 5d7a369..79e7d12 100644
--- a/libgav1/src/utils/threadpool.h
+++ b/libgav1/src/utils/threadpool.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_THREADPOOL_H_
 #define LIBGAV1_SRC_UTILS_THREADPOOL_H_
 
diff --git a/libgav1/src/utils/types.h b/libgav1/src/utils/types.h
index 53bfe5c..af22fd8 100644
--- a/libgav1/src/utils/types.h
+++ b/libgav1/src/utils/types.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_TYPES_H_
 #define LIBGAV1_SRC_UTILS_TYPES_H_
 
diff --git a/libgav1/src/utils/unbounded_queue.h b/libgav1/src/utils/unbounded_queue.h
index 611ac50..d8cc0fb 100644
--- a/libgav1/src/utils/unbounded_queue.h
+++ b/libgav1/src/utils/unbounded_queue.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_UTILS_UNBOUNDED_QUEUE_H_
 #define LIBGAV1_SRC_UTILS_UNBOUNDED_QUEUE_H_
 
diff --git a/libgav1/src/utils/vector.h b/libgav1/src/utils/vector.h
index 24ca9b3..e211240 100644
--- a/libgav1/src/utils/vector.h
+++ b/libgav1/src/utils/vector.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // libgav1::Vector implementation
 
 #ifndef LIBGAV1_SRC_UTILS_VECTOR_H_
diff --git a/libgav1/src/warp_prediction.cc b/libgav1/src/warp_prediction.cc
index 830f951..79556f0 100644
--- a/libgav1/src/warp_prediction.cc
+++ b/libgav1/src/warp_prediction.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/warp_prediction.h"
 
 #include <cmath>
diff --git a/libgav1/src/warp_prediction.h b/libgav1/src/warp_prediction.h
index 6b49d14..6c86df3 100644
--- a/libgav1/src/warp_prediction.h
+++ b/libgav1/src/warp_prediction.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_WARP_PREDICTION_H_
 #define LIBGAV1_SRC_WARP_PREDICTION_H_
 
diff --git a/libgav1/src/yuv_buffer.cc b/libgav1/src/yuv_buffer.cc
index 37ecc9b..2cb2346 100644
--- a/libgav1/src/yuv_buffer.cc
+++ b/libgav1/src/yuv_buffer.cc
@@ -1,3 +1,17 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "src/yuv_buffer.h"
 
 #include <cassert>
diff --git a/libgav1/src/yuv_buffer.h b/libgav1/src/yuv_buffer.h
index c7cb399..e0ea980 100644
--- a/libgav1/src/yuv_buffer.h
+++ b/libgav1/src/yuv_buffer.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 The libgav1 Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBGAV1_SRC_YUV_BUFFER_H_
 #define LIBGAV1_SRC_YUV_BUFFER_H_