1 files changed, 45 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/tune_butteraugli.h b/third_party/aom/av1/encoder/tune_butteraugli.h
new file mode 100644
index 0000000000..bae5d2a882
--- /dev/null
+++ b/third_party/aom/av1/encoder/tune_butteraugli.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2021, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AV1_ENCODER_TUNE_BUTTERAUGLI_H_
+#define AOM_AV1_ENCODER_TUNE_BUTTERAUGLI_H_
+
+#include "aom_scale/yv12config.h"
+#include "av1/common/enums.h"
+#include "av1/encoder/ratectrl.h"
+#include "av1/encoder/block.h"
+
+typedef struct {
+  // Stores the scaling factors for rdmult when tuning for Butteraugli.
+  // rdmult_scaling_factors[row * num_cols + col] stores the scaling factors for
+  // 4x4 block at (row, col).
+  double *rdmult_scaling_factors;
+  YV12_BUFFER_CONFIG source, resized_source;
+  bool recon_set;
+} TuneButteraugliInfo;
+
+struct AV1_COMP;
+static const BLOCK_SIZE butteraugli_rdo_bsize = BLOCK_16X16;
+
+void av1_set_butteraugli_rdmult(const struct AV1_COMP *cpi, MACROBLOCK *x,
+                                BLOCK_SIZE bsize, int mi_row, int mi_col,
+                                int *rdmult);
+
+void av1_setup_butteraugli_source(struct AV1_COMP *cpi);
+
+// 'K' is used to balance the rate-distortion distribution between PSNR
+// and Butteraugli.
+void av1_setup_butteraugli_rdmult_and_restore_source(struct AV1_COMP *cpi,
+                                                     double K);
+
+void av1_setup_butteraugli_rdmult(struct AV1_COMP *cpi);
+
+#endif  // AOM_AV1_ENCODER_TUNE_BUTTERAUGLI_H_