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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 AV1_ENCODER_SUBEXP_H_
+#define AV1_ENCODER_SUBEXP_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "aom_dsp/bitwriter.h"
+#include "aom_dsp/prob.h"
+
+void av1_write_prob_diff_update(aom_writer *w, aom_prob newp, aom_prob oldpm);
+
+void av1_cond_prob_diff_update(aom_writer *w, aom_prob *oldp,
+ const unsigned int ct[2], int probwt);
+
+int av1_prob_diff_update_savings_search(const unsigned int *ct, aom_prob oldp,
+ aom_prob *bestp, aom_prob upd,
+ int probwt);
+
+int av1_prob_diff_update_savings_search_model(const unsigned int *ct,
+ const aom_prob oldp,
+ aom_prob *bestp, aom_prob upd,
+ int stepsize, int probwt);
+
+int av1_cond_prob_diff_update_savings(aom_prob *oldp, const unsigned int ct[2],
+ int probwt);
+#if CONFIG_SUBFRAME_PROB_UPDATE
+int av1_prob_update_search_subframe(unsigned int ct[][2], aom_prob oldp,
+ aom_prob *bestp, aom_prob upd, int n);
+int av1_prob_update_search_model_subframe(
+ unsigned int ct[ENTROPY_NODES][COEF_PROBS_BUFS][2], const aom_prob *oldp,
+ aom_prob *bestp, aom_prob upd, int stepsize, int n);
+#endif // CONFIG_SUBFRAME_PROB_UPDATE
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // AV1_ENCODER_SUBEXP_H_