AOMedia AV1 Codec
pickrst.h
1 /*
2  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3  *
4  * This source code is subject to the terms of the BSD 2 Clause License and
5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6  * was not distributed with this source code in the LICENSE file, you can
7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8  * Media Patent License 1.0 was not distributed with this source code in the
9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10  */
11 #ifndef AOM_AV1_ENCODER_PICKRST_H_
12 #define AOM_AV1_ENCODER_PICKRST_H_
13 
14 #ifdef __cplusplus
15 extern "C" {
16 #endif
17 
18 #include "av1/encoder/encoder.h"
19 
20 struct yv12_buffer_config;
21 struct AV1_COMP;
22 
23 static const uint8_t g_shuffle_stats_data[16] = {
24  0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8,
25 };
26 
27 static const uint8_t g_shuffle_stats_highbd_data[32] = {
28  0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9,
29  0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9,
30 };
31 
32 static INLINE uint8_t find_average(const uint8_t *src, int h_start, int h_end,
33  int v_start, int v_end, int stride) {
34  uint64_t sum = 0;
35  for (int i = v_start; i < v_end; i++) {
36  for (int j = h_start; j < h_end; j++) {
37  sum += src[i * stride + j];
38  }
39  }
40  uint64_t avg = sum / ((v_end - v_start) * (h_end - h_start));
41  return (uint8_t)avg;
42 }
43 
44 #if CONFIG_AV1_HIGHBITDEPTH
45 static INLINE uint16_t find_average_highbd(const uint16_t *src, int h_start,
46  int h_end, int v_start, int v_end,
47  int stride) {
48  uint64_t sum = 0;
49  for (int i = v_start; i < v_end; i++) {
50  for (int j = h_start; j < h_end; j++) {
51  sum += src[i * stride + j];
52  }
53  }
54  uint64_t avg = sum / ((v_end - v_start) * (h_end - h_start));
55  return (uint16_t)avg;
56 }
57 #endif
58 
93 
94 #ifdef __cplusplus
95 } // extern "C"
96 #endif
97 
98 #endif // AOM_AV1_ENCODER_PICKRST_H_
Declares top-level encoder structures and functions.
void av1_pick_filter_restoration(const YV12_BUFFER_CONFIG *sd, AV1_COMP *cpi)
Algorithm for AV1 loop restoration search and estimation.
Top level encoder structure.
Definition: encoder.h:2664
YV12 frame buffer data structure.
Definition: yv12config.h:39