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
16 extern "C" {
17 #endif
18 
19 void vp9_compute_update_table();
20 
21 
22 void vp9_write_prob_diff_update(vp9_writer *w,
23                                 vp9_prob newp, vp9_prob oldp);
24 
25 void vp9_cond_prob_diff_update(vp9_writer *w, vp9_prob *oldp,
26                                unsigned int *ct);
27 
28 int vp9_prob_diff_update_savings_search(const unsigned int *ct,
29                                         vp9_prob oldp, vp9_prob *bestp,
30                                         vp9_prob upd);
31 
32 
33 int 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