1 /*
2  *  Copyright (c) 2010 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 #ifndef VPX_VP9_ENCODER_VP9_ENCODEFRAME_H_
12 #define VPX_VP9_ENCODER_VP9_ENCODEFRAME_H_
13 
14 #include "vpx/vpx_integer.h"
15 
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19 
20 struct macroblock;
21 struct yv12_buffer_config;
22 struct VP9_COMP;
23 struct ThreadData;
24 
25 // Constants used in SOURCE_VAR_BASED_PARTITION
26 #define VAR_HIST_MAX_BG_VAR 1000
27 #define VAR_HIST_FACTOR 10
28 #define VAR_HIST_BINS (VAR_HIST_MAX_BG_VAR / VAR_HIST_FACTOR + 1)
29 #define VAR_HIST_LARGE_CUT_OFF 75
30 #define VAR_HIST_SMALL_CUT_OFF 45
31 
32 void vp9_setup_src_planes(struct macroblock *x,
33                           const struct yv12_buffer_config *src, int mi_row,
34                           int mi_col);
35 
36 void vp9_encode_frame(struct VP9_COMP *cpi);
37 
38 void vp9_init_tile_data(struct VP9_COMP *cpi);
39 void vp9_encode_tile(struct VP9_COMP *cpi, struct ThreadData *td, int tile_row,
40                      int tile_col);
41 
42 void vp9_encode_sb_row(struct VP9_COMP *cpi, struct ThreadData *td,
43                        int tile_row, int tile_col, int mi_row);
44 
45 void vp9_set_variance_partition_thresholds(struct VP9_COMP *cpi, int q,
46                                            int content_state);
47 
48 struct KMEANS_DATA;
49 void vp9_kmeans(double *ctr_ls, double *boundary_ls, int *count_ls, int k,
50                 struct KMEANS_DATA *arr, int size);
51 int vp9_get_group_idx(double value, double *boundary_ls, int k);
52 
53 #ifdef __cplusplus
54 }  // extern "C"
55 #endif
56 
57 #endif  // VPX_VP9_ENCODER_VP9_ENCODEFRAME_H_
58