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+/*
+ * 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_
+
+#include <cstdint>
+
+#include "src/dsp/constants.h"
+#include "src/dsp/dsp.h"
+#include "src/utils/array_2d.h"
+#include "src/utils/constants.h"
+#include "src/utils/types.h"
+
+namespace libgav1 {
+
+// Steps 2 and 3 of section 7.12.3 (contains the implementation of section
+// 7.13.3).
+// Apply the inverse transforms and add the residual to the frame for the
+// transform block size |tx_size| starting at position |start_x| and |start_y|.
+template <typename Residual, typename Pixel>
+void Reconstruct(const dsp::Dsp& dsp, TransformType tx_type,
+                 TransformSize tx_size, bool lossless, Residual* buffer,
+                 int start_x, int start_y, Array2DView<Pixel>* frame,
+                 int non_zero_coeff_count);
+
+extern template void Reconstruct(const dsp::Dsp& dsp, TransformType tx_type,
+                                 TransformSize tx_size, bool lossless,
+                                 int16_t* buffer, int start_x, int start_y,
+                                 Array2DView<uint8_t>* frame,
+                                 int non_zero_coeff_count);
+#if LIBGAV1_MAX_BITDEPTH >= 10
+extern template void Reconstruct(const dsp::Dsp& dsp, TransformType tx_type,
+                                 TransformSize tx_size, bool lossless,
+                                 int32_t* buffer, int start_x, int start_y,
+                                 Array2DView<uint16_t>* frame,
+                                 int non_zero_coeff_count);
+#endif
+
+}  // namespace libgav1
+#endif  // LIBGAV1_SRC_RECONSTRUCTION_H_