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Import aom library

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This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
This commit is contained in:
trav90 2018-10-15 21:45:30 -05:00 • committed by Roy Tam
commit edc8d83307
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49
third_party/aom/av1/encoder/subexp.h vendored Normal file
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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_