From 68569dee1416593955c1570d638b3d9250b33012 Mon Sep 17 00:00:00 2001 From: trav90 Date: Mon, 15 Oct 2018 21:45:30 -0500 Subject: Import aom library This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36. --- third_party/aom/av1/encoder/subexp.h | 49 ++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 third_party/aom/av1/encoder/subexp.h (limited to 'third_party/aom/av1/encoder/subexp.h') diff --git a/third_party/aom/av1/encoder/subexp.h b/third_party/aom/av1/encoder/subexp.h new file mode 100644 index 000000000..049265cb8 --- /dev/null +++ b/third_party/aom/av1/encoder/subexp.h @@ -0,0 +1,49 @@ +/* + * 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_ -- cgit v1.2.3