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 #include "aom_ports/system_state.h"
20
21 struct yv12_buffer_config;
22 struct AV1_COMP;
23
24 static const uint8_t g_shuffle_stats_data[16] = {
25 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8,
26 };
27
28 static const uint8_t g_shuffle_stats_highbd_data[32] = {
29 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9,
30 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9,
31 };
32
find_average(const uint8_t * src,int h_start,int h_end,int v_start,int v_end,int stride)33 static INLINE uint8_t find_average(const uint8_t *src, int h_start, int h_end,
34 int v_start, int v_end, int stride) {
35 uint64_t sum = 0;
36 for (int i = v_start; i < v_end; i++) {
37 for (int j = h_start; j < h_end; j++) {
38 sum += src[i * stride + j];
39 }
40 }
41 uint64_t avg = sum / ((v_end - v_start) * (h_end - h_start));
42 return (uint8_t)avg;
43 }
44
45 #if CONFIG_AV1_HIGHBITDEPTH
find_average_highbd(const uint16_t * src,int h_start,int h_end,int v_start,int v_end,int stride)46 static INLINE uint16_t find_average_highbd(const uint16_t *src, int h_start,
47 int h_end, int v_start, int v_end,
48 int stride) {
49 uint64_t sum = 0;
50 for (int i = v_start; i < v_end; i++) {
51 for (int j = h_start; j < h_end; j++) {
52 sum += src[i * stride + j];
53 }
54 }
55 uint64_t avg = sum / ((v_end - v_start) * (h_end - h_start));
56 return (uint16_t)avg;
57 }
58 #endif
59
60 void av1_pick_filter_restoration(const YV12_BUFFER_CONFIG *sd, AV1_COMP *cpi);
61
62 #ifdef __cplusplus
63 } // extern "C"
64 #endif
65
66 #endif // AOM_AV1_ENCODER_PICKRST_H_
67