Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 1 | /* |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 2 | * Copyright 2011 The LibYuv Project Authors. All rights reserved. |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 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 | |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 11 | #include <stdlib.h> |
| 12 | #include <time.h> |
| 13 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 14 | #include "libyuv/cpu_id.h" |
| 15 | #include "libyuv/scale.h" |
| 16 | #include "../unit_test/unit_test.h" |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 17 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 18 | namespace libyuv { |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 19 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 20 | static int TestFilter(int src_width, int src_height, |
| 21 | int dst_width, int dst_height, |
| 22 | FilterMode f, int rounding, int benchmark_iterations) { |
| 23 | const int b = 128 * rounding; |
| 24 | int src_width_uv = (src_width + rounding) >> 1; |
| 25 | int src_height_uv = (src_height + rounding) >> 1; |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 26 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 27 | int src_y_plane_size = (src_width + b * 2) * (src_height + b * 2); |
| 28 | int src_uv_plane_size = (src_width_uv + b * 2) * (src_height_uv + b * 2); |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 29 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 30 | int src_stride_y = b * 2 + src_width; |
| 31 | int src_stride_uv = b * 2 + src_width_uv; |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 32 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 33 | align_buffer_page_end(src_y, src_y_plane_size) |
| 34 | align_buffer_page_end(src_u, src_uv_plane_size) |
| 35 | align_buffer_page_end(src_v, src_uv_plane_size) |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 36 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 37 | int dst_width_uv = (dst_width + rounding) >> 1; |
| 38 | int dst_height_uv = (dst_height + rounding) >> 1; |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 39 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 40 | int dst_y_plane_size = (dst_width + b * 2) * (dst_height + b * 2); |
| 41 | int dst_uv_plane_size = (dst_width_uv + b * 2) * (dst_height_uv + b * 2); |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 42 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 43 | int dst_stride_y = b * 2 + dst_width; |
| 44 | int dst_stride_uv = b * 2 + dst_width_uv; |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 45 | |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 46 | srandom(time(NULL)); |
| 47 | |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 48 | int i, j; |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 49 | for (i = b; i < (src_height + b); ++i) { |
| 50 | for (j = b; j < (src_width + b); ++j) { |
| 51 | src_y[(i * src_stride_y) + j] = (random() & 0xff); |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 52 | } |
| 53 | } |
| 54 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 55 | for (i = b; i < (src_height_uv + b); ++i) { |
| 56 | for (j = b; j < (src_width_uv + b); ++j) { |
| 57 | src_u[(i * src_stride_uv) + j] = (random() & 0xff); |
| 58 | src_v[(i * src_stride_uv) + j] = (random() & 0xff); |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 59 | } |
| 60 | } |
| 61 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 62 | align_buffer_page_end(dst_y_c, dst_y_plane_size) |
| 63 | align_buffer_page_end(dst_u_c, dst_uv_plane_size) |
| 64 | align_buffer_page_end(dst_v_c, dst_uv_plane_size) |
| 65 | align_buffer_page_end(dst_y_opt, dst_y_plane_size) |
| 66 | align_buffer_page_end(dst_u_opt, dst_uv_plane_size) |
| 67 | align_buffer_page_end(dst_v_opt, dst_uv_plane_size) |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 68 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 69 | // Warm up both versions for consistent benchmarks. |
| 70 | MaskCpuFlags(0); // Disable all CPU optimization. |
| 71 | I420Scale(src_y + (src_stride_y * b) + b, src_stride_y, |
| 72 | src_u + (src_stride_uv * b) + b, src_stride_uv, |
| 73 | src_v + (src_stride_uv * b) + b, src_stride_uv, |
| 74 | src_width, src_height, |
| 75 | dst_y_c + (dst_stride_y * b) + b, dst_stride_y, |
| 76 | dst_u_c + (dst_stride_uv * b) + b, dst_stride_uv, |
| 77 | dst_v_c + (dst_stride_uv * b) + b, dst_stride_uv, |
| 78 | dst_width, dst_height, f); |
| 79 | MaskCpuFlags(-1); // Enable all CPU optimization. |
| 80 | I420Scale(src_y + (src_stride_y * b) + b, src_stride_y, |
| 81 | src_u + (src_stride_uv * b) + b, src_stride_uv, |
| 82 | src_v + (src_stride_uv * b) + b, src_stride_uv, |
| 83 | src_width, src_height, |
| 84 | dst_y_opt + (dst_stride_y * b) + b, dst_stride_y, |
| 85 | dst_u_opt + (dst_stride_uv * b) + b, dst_stride_uv, |
| 86 | dst_v_opt + (dst_stride_uv * b) + b, dst_stride_uv, |
| 87 | dst_width, dst_height, f); |
| 88 | |
| 89 | MaskCpuFlags(0); // Disable all CPU optimization. |
| 90 | double c_time = get_time(); |
| 91 | for (i = 0; i < benchmark_iterations; ++i) { |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 92 | I420Scale(src_y + (src_stride_y * b) + b, src_stride_y, |
| 93 | src_u + (src_stride_uv * b) + b, src_stride_uv, |
| 94 | src_v + (src_stride_uv * b) + b, src_stride_uv, |
| 95 | src_width, src_height, |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 96 | dst_y_c + (dst_stride_y * b) + b, dst_stride_y, |
| 97 | dst_u_c + (dst_stride_uv * b) + b, dst_stride_uv, |
| 98 | dst_v_c + (dst_stride_uv * b) + b, dst_stride_uv, |
| 99 | dst_width, dst_height, f); |
| 100 | } |
| 101 | c_time = (get_time() - c_time) / benchmark_iterations; |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 102 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 103 | MaskCpuFlags(-1); // Enable all CPU optimization. |
| 104 | double opt_time = get_time(); |
| 105 | for (i = 0; i < benchmark_iterations; ++i) { |
| 106 | I420Scale(src_y + (src_stride_y * b) + b, src_stride_y, |
| 107 | src_u + (src_stride_uv * b) + b, src_stride_uv, |
| 108 | src_v + (src_stride_uv * b) + b, src_stride_uv, |
| 109 | src_width, src_height, |
| 110 | dst_y_opt + (dst_stride_y * b) + b, dst_stride_y, |
| 111 | dst_u_opt + (dst_stride_uv * b) + b, dst_stride_uv, |
| 112 | dst_v_opt + (dst_stride_uv * b) + b, dst_stride_uv, |
| 113 | dst_width, dst_height, f); |
| 114 | } |
| 115 | opt_time = (get_time() - opt_time) / benchmark_iterations; |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 116 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 117 | // Report performance of C vs OPT |
| 118 | printf("filter %d - %8d us C - %8d us OPT\n", |
| 119 | f, static_cast<int>(c_time*1e6), static_cast<int>(opt_time*1e6)); |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 120 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 121 | // C version may be a little off from the optimized. Order of |
| 122 | // operations may introduce rounding somewhere. So do a difference |
| 123 | // of the buffers and look to see that the max difference isn't |
| 124 | // over 2. |
| 125 | int max_diff = 0; |
| 126 | for (i = b; i < (dst_height + b); ++i) { |
| 127 | for (j = b; j < (dst_width + b); ++j) { |
| 128 | int abs_diff = abs(dst_y_c[(i * dst_stride_y) + j] - |
| 129 | dst_y_opt[(i * dst_stride_y) + j]); |
| 130 | if (abs_diff > max_diff) { |
| 131 | max_diff = abs_diff; |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 132 | } |
| 133 | } |
| 134 | } |
| 135 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 136 | for (i = b; i < (dst_height_uv + b); ++i) { |
| 137 | for (j = b; j < (dst_width_uv + b); ++j) { |
| 138 | int abs_diff = abs(dst_u_c[(i * dst_stride_uv) + j] - |
| 139 | dst_u_opt[(i * dst_stride_uv) + j]); |
| 140 | if (abs_diff > max_diff) { |
| 141 | max_diff = abs_diff; |
| 142 | } |
| 143 | abs_diff = abs(dst_v_c[(i * dst_stride_uv) + j] - |
| 144 | dst_v_opt[(i * dst_stride_uv) + j]); |
| 145 | if (abs_diff > max_diff) { |
| 146 | max_diff = abs_diff; |
| 147 | } |
| 148 | } |
| 149 | } |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 150 | |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 151 | free_aligned_buffer_page_end(dst_y_c) |
| 152 | free_aligned_buffer_page_end(dst_u_c) |
| 153 | free_aligned_buffer_page_end(dst_v_c) |
| 154 | free_aligned_buffer_page_end(dst_y_opt) |
| 155 | free_aligned_buffer_page_end(dst_u_opt) |
| 156 | free_aligned_buffer_page_end(dst_v_opt) |
| 157 | |
| 158 | free_aligned_buffer_page_end(src_y) |
| 159 | free_aligned_buffer_page_end(src_u) |
| 160 | free_aligned_buffer_page_end(src_v) |
| 161 | |
| 162 | return max_diff; |
Shri Borde | 7cd8149 | 2011-11-02 13:20:24 -0700 | [diff] [blame] | 163 | } |
Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame^] | 164 | |
| 165 | TEST_F(libyuvTest, ScaleDownBy2) { |
| 166 | const int src_width = 1280; |
| 167 | const int src_height = 720; |
| 168 | const int dst_width = src_width / 2; |
| 169 | const int dst_height = src_height / 2; |
| 170 | |
| 171 | for (int f = 0; f < 3; ++f) { |
| 172 | int max_diff = TestFilter(src_width, src_height, |
| 173 | dst_width, dst_height, |
| 174 | static_cast<FilterMode>(f), 1, |
| 175 | benchmark_iterations_); |
| 176 | EXPECT_LE(max_diff, 1); |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | TEST_F(libyuvTest, ScaleDownBy4) { |
| 181 | const int src_width = 1280; |
| 182 | const int src_height = 720; |
| 183 | const int dst_width = src_width / 4; |
| 184 | const int dst_height = src_height / 4; |
| 185 | |
| 186 | for (int f = 0; f < 3; ++f) { |
| 187 | int max_diff = TestFilter(src_width, src_height, |
| 188 | dst_width, dst_height, |
| 189 | static_cast<FilterMode>(f), 1, |
| 190 | benchmark_iterations_); |
| 191 | EXPECT_LE(max_diff, 2); // This is the only scale factor with error of 2. |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | TEST_F(libyuvTest, ScaleDownBy5) { |
| 196 | const int src_width = 1280; |
| 197 | const int src_height = 720; |
| 198 | const int dst_width = src_width / 5; |
| 199 | const int dst_height = src_height / 5; |
| 200 | |
| 201 | for (int f = 0; f < 3; ++f) { |
| 202 | int max_diff = TestFilter(src_width, src_height, |
| 203 | dst_width, dst_height, |
| 204 | static_cast<FilterMode>(f), 1, |
| 205 | benchmark_iterations_); |
| 206 | EXPECT_LE(max_diff, 1); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | TEST_F(libyuvTest, ScaleDownBy8) { |
| 211 | const int src_width = 1280; |
| 212 | const int src_height = 720; |
| 213 | const int dst_width = src_width / 8; |
| 214 | const int dst_height = src_height / 8; |
| 215 | |
| 216 | for (int f = 0; f < 3; ++f) { |
| 217 | int max_diff = TestFilter(src_width, src_height, |
| 218 | dst_width, dst_height, |
| 219 | static_cast<FilterMode>(f), 1, |
| 220 | benchmark_iterations_); |
| 221 | EXPECT_LE(max_diff, 1); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | TEST_F(libyuvTest, ScaleDownBy16) { |
| 226 | const int src_width = 1280; |
| 227 | const int src_height = 720; |
| 228 | const int dst_width = src_width / 16; |
| 229 | const int dst_height = src_height / 16; |
| 230 | |
| 231 | for (int f = 0; f < 3; ++f) { |
| 232 | int max_diff = TestFilter(src_width, src_height, |
| 233 | dst_width, dst_height, |
| 234 | static_cast<FilterMode>(f), 1, |
| 235 | benchmark_iterations_); |
| 236 | EXPECT_LE(max_diff, 1); |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | TEST_F(libyuvTest, ScaleDownBy34) { |
| 241 | const int src_width = 1280; |
| 242 | const int src_height = 720; |
| 243 | const int dst_width = src_width * 3 / 4; |
| 244 | const int dst_height = src_height * 3 / 4; |
| 245 | |
| 246 | for (int f = 0; f < 3; ++f) { |
| 247 | int max_diff = TestFilter(src_width, src_height, |
| 248 | dst_width, dst_height, |
| 249 | static_cast<FilterMode>(f), 1, |
| 250 | benchmark_iterations_); |
| 251 | EXPECT_LE(max_diff, 1); |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | TEST_F(libyuvTest, ScaleDownBy38) { |
| 256 | int src_width = 1280; |
| 257 | int src_height = 720; |
| 258 | int dst_width = src_width * 3 / 8; |
| 259 | int dst_height = src_height * 3 / 8; |
| 260 | |
| 261 | for (int f = 0; f < 3; ++f) { |
| 262 | int max_diff = TestFilter(src_width, src_height, |
| 263 | dst_width, dst_height, |
| 264 | static_cast<FilterMode>(f), 1, |
| 265 | benchmark_iterations_); |
| 266 | EXPECT_LE(max_diff, 1); |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | TEST_F(libyuvTest, ScaleTo1366) { |
| 271 | int src_width = 1280; |
| 272 | int src_height = 720; |
| 273 | int dst_width = 1366; |
| 274 | int dst_height = 768; |
| 275 | |
| 276 | for (int f = 0; f < 3; ++f) { |
| 277 | int max_diff = TestFilter(src_width, src_height, |
| 278 | dst_width, dst_height, |
| 279 | static_cast<FilterMode>(f), 1, |
| 280 | benchmark_iterations_); |
| 281 | EXPECT_LE(max_diff, 1); |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | TEST_F(libyuvTest, ScaleTo4074) { |
| 286 | int src_width = 2880 * 2; |
| 287 | int src_height = 1800; |
| 288 | int dst_width = 4074; |
| 289 | int dst_height = 1272; |
| 290 | |
| 291 | for (int f = 0; f < 3; ++f) { |
| 292 | int max_diff = TestFilter(src_width, src_height, |
| 293 | dst_width, dst_height, |
| 294 | static_cast<FilterMode>(f), 1, |
| 295 | benchmark_iterations_); |
| 296 | EXPECT_LE(max_diff, 1); |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | TEST_F(libyuvTest, ScaleTo853) { |
| 301 | int src_width = 1280; |
| 302 | int src_height = 720; |
| 303 | int dst_width = 853; |
| 304 | int dst_height = 480; |
| 305 | |
| 306 | for (int f = 0; f < 3; ++f) { |
| 307 | int max_diff = TestFilter(src_width, src_height, |
| 308 | dst_width, dst_height, |
| 309 | static_cast<FilterMode>(f), 1, |
| 310 | benchmark_iterations_); |
| 311 | EXPECT_LE(max_diff, 1); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | TEST_F(libyuvTest, ScaleTo853Wrong) { |
| 316 | int src_width = 1280; |
| 317 | int src_height = 720; |
| 318 | int dst_width = 853; |
| 319 | int dst_height = 480; |
| 320 | |
| 321 | for (int f = 0; f < 3; ++f) { |
| 322 | int max_diff = TestFilter(src_width, src_height, |
| 323 | dst_width, dst_height, |
| 324 | static_cast<FilterMode>(f), 0, |
| 325 | benchmark_iterations_); |
| 326 | EXPECT_LE(max_diff, 1); |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | // A one off test for a screen cast resolution scale. |
| 331 | TEST_F(libyuvTest, ScaleTo684) { |
| 332 | int src_width = 686; |
| 333 | int src_height = 557; |
| 334 | int dst_width = 684; |
| 335 | int dst_height = 552; |
| 336 | |
| 337 | for (int f = 0; f < 3; ++f) { |
| 338 | int max_diff = TestFilter(src_width, src_height, |
| 339 | dst_width, dst_height, |
| 340 | static_cast<FilterMode>(f), 1, |
| 341 | benchmark_iterations_); |
| 342 | EXPECT_LE(max_diff, 1); |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | TEST_F(libyuvTest, ScaleTo342) { |
| 347 | int src_width = 686; |
| 348 | int src_height = 557; |
| 349 | int dst_width = 342; |
| 350 | int dst_height = 276; |
| 351 | |
| 352 | for (int f = 0; f < 3; ++f) { |
| 353 | int max_diff = TestFilter(src_width, src_height, |
| 354 | dst_width, dst_height, |
| 355 | static_cast<FilterMode>(f), 1, |
| 356 | benchmark_iterations_); |
| 357 | EXPECT_LE(max_diff, 1); |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | TEST_F(libyuvTest, ScaleToHalf342) { |
| 362 | int src_width = 684; |
| 363 | int src_height = 552; |
| 364 | int dst_width = 342; |
| 365 | int dst_height = 276; |
| 366 | |
| 367 | for (int f = 0; f < 3; ++f) { |
| 368 | int max_diff = TestFilter(src_width, src_height, |
| 369 | dst_width, dst_height, |
| 370 | static_cast<FilterMode>(f), 1, |
| 371 | benchmark_iterations_); |
| 372 | EXPECT_LE(max_diff, 1); |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | } // namespace libyuv |