Files
vpx/vp10/encoder/subexp.h
Alex Converse fb9186d68d ANS experiment: Use ANS everywhere.
Use ANS for all entropy coded data in VP10 including the compressed header and
modes and motion vectors. ANS tokens continue to be used for DCT tokens.

Change-Id: Idf709a747150601e4d95d81ecfb3dc7253d349df
2016-04-01 11:32:31 -07:00

58 lines
2.1 KiB
C

/*
* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP10_ENCODER_SUBEXP_H_
#define VP10_ENCODER_SUBEXP_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "vpx_dsp/prob.h"
struct vp10_writer;
void vp10_write_prob_diff_update(struct vp10_writer *w,
vpx_prob newp, vpx_prob oldp);
void vp10_cond_prob_diff_update(struct vp10_writer *w, vpx_prob *oldp,
const unsigned int ct[2]);
int vp10_prob_diff_update_savings_search(const unsigned int *ct,
vpx_prob oldp, vpx_prob *bestp,
vpx_prob upd);
int vp10_prob_diff_update_savings_search_model(const unsigned int *ct,
const vpx_prob *oldp,
vpx_prob *bestp,
vpx_prob upd,
int stepsize);
int vp10_cond_prob_diff_update_savings(vpx_prob *oldp,
const unsigned int ct[2]);
#if CONFIG_ENTROPY
int vp10_prob_update_search_subframe(unsigned int ct[][2],
vpx_prob oldp, vpx_prob *bestp,
vpx_prob upd, int n);
int vp10_prob_update_search_model_subframe(unsigned int ct[ENTROPY_NODES]
[COEF_PROBS_BUFS][2],
const vpx_prob *oldp,
vpx_prob *bestp, vpx_prob upd,
int stepsize, int n);
#endif // CONFIG_ENTROPY
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP10_ENCODER_SUBEXP_H_