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diff --git a/third_party/aom/av1/encoder/encodeframe.h b/third_party/aom/av1/encoder/encodeframe.h
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+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AV1_ENCODER_ENCODEFRAME_H_
+#define AOM_AV1_ENCODER_ENCODEFRAME_H_
+
+#include "aom/aom_integer.h"
+#include "av1/common/blockd.h"
+#include "av1/common/enums.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define DELTAQ_MODULATION 1 // 0: variance based, 1: wavelet AC energy based
+
+struct macroblock;
+struct yv12_buffer_config;
+struct AV1_COMP;
+struct ThreadData;
+
+void av1_setup_src_planes(struct macroblock *x,
+ const struct yv12_buffer_config *src, int mi_row,
+ int mi_col, const int num_planes);
+
+void av1_encode_frame(struct AV1_COMP *cpi);
+
+void av1_alloc_tile_data(struct AV1_COMP *cpi);
+void av1_init_tile_data(struct AV1_COMP *cpi);
+void av1_encode_tile(struct AV1_COMP *cpi, struct ThreadData *td, int tile_row,
+ int tile_col);
+void av1_encode_sb_row(struct AV1_COMP *cpi, struct ThreadData *td,
+ int tile_row, int tile_col, int mi_row);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // AOM_AV1_ENCODER_ENCODEFRAME_H_