2 * Copyright (c) 2018 Yingming Fan <yingmingfan@gmail.com>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "libavutil/intreadwrite.h"
24 #include "libavutil/mem_internal.h"
26 #include "libavcodec/avcodec.h"
28 #include "libavcodec/hevcdsp.h"
32 static const uint32_t pixel_mask[3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff };
33 static const uint32_t sao_size[5] = {8, 16, 32, 48, 64};
35 #define SIZEOF_PIXEL ((bit_depth + 7) / 8)
36 #define PIXEL_STRIDE (2*MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE) //same with sao_edge src_stride
37 #define BUF_SIZE (PIXEL_STRIDE * (64+2) * 2) //+2 for top and bottom row, *2 for high bit depth
38 #define OFFSET_THRESH (1 << (bit_depth - 5))
39 #define OFFSET_LENGTH 5
41 #define randomize_buffers(buf0, buf1, size) \
43 uint32_t mask = pixel_mask[(bit_depth - 8) >> 1]; \
45 for (k = 0; k < size; k += 4) { \
46 uint32_t r = rnd() & mask; \
47 AV_WN32A(buf0 + k, r); \
48 AV_WN32A(buf1 + k, r); \
52 #define randomize_buffers2(buf, size) \
54 uint32_t max_offset = OFFSET_THRESH; \
56 if (bit_depth == 8) { \
57 for (k = 0; k < size; k++) { \
58 uint8_t r = rnd() % max_offset; \
62 for (k = 0; k < size; k++) { \
63 uint16_t r = rnd() % max_offset; \
69 static void check_sao_band(HEVCDSPContext *h, int bit_depth)
72 LOCAL_ALIGNED_32(uint8_t, dst0, [BUF_SIZE]);
73 LOCAL_ALIGNED_32(uint8_t, dst1, [BUF_SIZE]);
74 LOCAL_ALIGNED_32(uint8_t, src0, [BUF_SIZE]);
75 LOCAL_ALIGNED_32(uint8_t, src1, [BUF_SIZE]);
76 int16_t offset_val[OFFSET_LENGTH];
77 int left_class = rnd()%32;
79 for (i = 0; i <= 4; i++) {
80 int block_size = sao_size[i];
81 int prev_size = i > 0 ? sao_size[i - 1] : 0;
82 ptrdiff_t stride = PIXEL_STRIDE*SIZEOF_PIXEL;
83 declare_func(void, uint8_t *dst, uint8_t *src, ptrdiff_t dst_stride, ptrdiff_t src_stride,
84 int16_t *sao_offset_val, int sao_left_class, int width, int height);
86 if (check_func(h->sao_band_filter[i], "hevc_sao_band_%d_%d", block_size, bit_depth)) {
88 for (int w = prev_size + 4; w <= block_size; w += 4) {
89 randomize_buffers(src0, src1, BUF_SIZE);
90 randomize_buffers2(offset_val, OFFSET_LENGTH);
91 memset(dst0, 0, BUF_SIZE);
92 memset(dst1, 0, BUF_SIZE);
94 call_ref(dst0, src0, stride, stride, offset_val, left_class, w, block_size);
95 call_new(dst1, src1, stride, stride, offset_val, left_class, w, block_size);
96 for (int j = 0; j < block_size; j++) {
97 if (memcmp(dst0 + j*stride, dst1 + j*stride, w*SIZEOF_PIXEL))
101 bench_new(dst1, src1, stride, stride, offset_val, left_class, block_size, block_size);
106 static void check_sao_edge(HEVCDSPContext *h, int bit_depth)
109 LOCAL_ALIGNED_32(uint8_t, dst0, [BUF_SIZE]);
110 LOCAL_ALIGNED_32(uint8_t, dst1, [BUF_SIZE]);
111 LOCAL_ALIGNED_32(uint8_t, src0, [BUF_SIZE]);
112 LOCAL_ALIGNED_32(uint8_t, src1, [BUF_SIZE]);
113 int16_t offset_val[OFFSET_LENGTH];
116 for (i = 0; i <= 4; i++) {
117 int block_size = sao_size[i];
118 int prev_size = i > 0 ? sao_size[i - 1] : 0;
119 ptrdiff_t stride = PIXEL_STRIDE*SIZEOF_PIXEL;
120 int offset = (AV_INPUT_BUFFER_PADDING_SIZE + PIXEL_STRIDE)*SIZEOF_PIXEL;
121 declare_func(void, uint8_t *dst, uint8_t *src, ptrdiff_t stride_dst,
122 int16_t *sao_offset_val, int eo, int width, int height);
124 for (int w = prev_size + 4; w <= block_size; w += 4) {
125 randomize_buffers(src0, src1, BUF_SIZE);
126 randomize_buffers2(offset_val, OFFSET_LENGTH);
127 memset(dst0, 0, BUF_SIZE);
128 memset(dst1, 0, BUF_SIZE);
130 if (check_func(h->sao_edge_filter[i], "hevc_sao_edge_%d_%d", block_size, bit_depth)) {
131 call_ref(dst0, src0 + offset, stride, offset_val, eo, w, block_size);
132 call_new(dst1, src1 + offset, stride, offset_val, eo, w, block_size);
133 for (int j = 0; j < block_size; j++) {
134 if (memcmp(dst0 + j*stride, dst1 + j*stride, w*SIZEOF_PIXEL))
137 bench_new(dst1, src1 + offset, stride, offset_val, eo, block_size, block_size);
143 void checkasm_check_hevc_sao(void)
147 for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
150 ff_hevc_dsp_init(&h, bit_depth);
151 check_sao_band(&h, bit_depth);
155 for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
158 ff_hevc_dsp_init(&h, bit_depth);
159 check_sao_edge(&h, bit_depth);