aom/vp10/encoder/subexp.h

58 строки
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_