1/*
2 *  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11
12#ifndef VP9_ENCODER_VP9_SUBEXP_H_
13#define VP9_ENCODER_VP9_SUBEXP_H_
14
15#ifdef __cplusplus
16extern "C" {
17#endif
18
19void vp9_compute_update_table();
20
21
22void vp9_write_prob_diff_update(vp9_writer *w,
23                                vp9_prob newp, vp9_prob oldp);
24
25void vp9_cond_prob_diff_update(vp9_writer *w, vp9_prob *oldp,
26                               unsigned int *ct);
27
28int vp9_prob_diff_update_savings_search(const unsigned int *ct,
29                                        vp9_prob oldp, vp9_prob *bestp,
30                                        vp9_prob upd);
31
32
33int vp9_prob_diff_update_savings_search_model(const unsigned int *ct,
34                                              const vp9_prob *oldp,
35                                              vp9_prob *bestp,
36                                              vp9_prob upd);
37
38#ifdef __cplusplus
39}  // extern "C"
40#endif
41
42#endif  // VP9_ENCODER_VP9_SUBEXP_H_
43