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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 | | |
12 | | #include <assert.h> |
13 | | #include <math.h> |
14 | | |
15 | | #include "config/aom_config.h" |
16 | | #include "config/aom_dsp_rtcd.h" |
17 | | |
18 | | #include "aom_dsp/psnr.h" |
19 | | #include "aom_scale/yv12config.h" |
20 | | |
21 | | #if CONFIG_INTERNAL_STATS |
22 | | #define STATIC |
23 | | #else |
24 | | #define STATIC static |
25 | | #endif // CONFIG_INTERNAL_STATS |
26 | | |
27 | 0 | STATIC double aom_sse_to_psnr(double samples, double peak, double sse) { |
28 | 0 | if (sse > 0.0) { |
29 | 0 | const double psnr = 10.0 * log10(samples * peak * peak / sse); |
30 | 0 | return psnr > MAX_PSNR ? MAX_PSNR : psnr; |
31 | 0 | } else { |
32 | 0 | return MAX_PSNR; |
33 | 0 | } |
34 | 0 | } |
35 | | |
36 | | #undef STATIC |
37 | | |
38 | | static int64_t encoder_sse(const uint8_t *a, int a_stride, const uint8_t *b, |
39 | 0 | int b_stride, int w, int h) { |
40 | 0 | int i, j; |
41 | 0 | int64_t sse = 0; |
42 | |
|
43 | 0 | for (i = 0; i < h; i++) { |
44 | 0 | for (j = 0; j < w; j++) { |
45 | 0 | const int diff = a[j] - b[j]; |
46 | 0 | sse += diff * diff; |
47 | 0 | } |
48 | |
|
49 | 0 | a += a_stride; |
50 | 0 | b += b_stride; |
51 | 0 | } |
52 | 0 | return sse; |
53 | 0 | } |
54 | | |
55 | | #if CONFIG_AV1_HIGHBITDEPTH |
56 | | static int64_t encoder_highbd_sse(const uint8_t *a8, int a_stride, |
57 | | const uint8_t *b8, int b_stride, int w, |
58 | 0 | int h) { |
59 | 0 | const uint16_t *a = CONVERT_TO_SHORTPTR(a8); |
60 | 0 | const uint16_t *b = CONVERT_TO_SHORTPTR(b8); |
61 | 0 | int64_t sse = 0; |
62 | 0 | for (int i = 0; i < h; ++i) { |
63 | 0 | for (int j = 0; j < w; ++j) { |
64 | 0 | const int diff = a[j] - b[j]; |
65 | 0 | sse += diff * diff; |
66 | 0 | } |
67 | 0 | a += a_stride; |
68 | 0 | b += b_stride; |
69 | 0 | } |
70 | 0 | return sse; |
71 | 0 | } |
72 | | |
73 | | #endif // CONFIG_AV1_HIGHBITDEPTH |
74 | | |
75 | | static int64_t get_sse(const uint8_t *a, int a_stride, const uint8_t *b, |
76 | 0 | int b_stride, int width, int height) { |
77 | 0 | const int dw = width % 16; |
78 | 0 | const int dh = height % 16; |
79 | 0 | int64_t total_sse = 0; |
80 | 0 | int x, y; |
81 | |
|
82 | 0 | if (dw > 0) { |
83 | 0 | total_sse += encoder_sse(&a[width - dw], a_stride, &b[width - dw], b_stride, |
84 | 0 | dw, height); |
85 | 0 | } |
86 | |
|
87 | 0 | if (dh > 0) { |
88 | 0 | total_sse += |
89 | 0 | encoder_sse(&a[(height - dh) * a_stride], a_stride, |
90 | 0 | &b[(height - dh) * b_stride], b_stride, width - dw, dh); |
91 | 0 | } |
92 | |
|
93 | 0 | for (y = 0; y < height / 16; ++y) { |
94 | 0 | const uint8_t *pa = a; |
95 | 0 | const uint8_t *pb = b; |
96 | 0 | for (x = 0; x < width / 16; ++x) { |
97 | 0 | total_sse += aom_sse(pa, a_stride, pb, b_stride, 16, 16); |
98 | |
|
99 | 0 | pa += 16; |
100 | 0 | pb += 16; |
101 | 0 | } |
102 | |
|
103 | 0 | a += 16 * a_stride; |
104 | 0 | b += 16 * b_stride; |
105 | 0 | } |
106 | |
|
107 | 0 | return total_sse; |
108 | 0 | } |
109 | | |
110 | | #if CONFIG_AV1_HIGHBITDEPTH |
111 | | static int64_t highbd_get_sse_shift(const uint8_t *a8, int a_stride, |
112 | | const uint8_t *b8, int b_stride, int width, |
113 | 0 | int height, unsigned int input_shift) { |
114 | 0 | const uint16_t *a = CONVERT_TO_SHORTPTR(a8); |
115 | 0 | const uint16_t *b = CONVERT_TO_SHORTPTR(b8); |
116 | 0 | int64_t total_sse = 0; |
117 | 0 | int x, y; |
118 | 0 | for (y = 0; y < height; ++y) { |
119 | 0 | for (x = 0; x < width; ++x) { |
120 | 0 | int64_t diff; |
121 | 0 | diff = (a[x] >> input_shift) - (b[x] >> input_shift); |
122 | 0 | total_sse += diff * diff; |
123 | 0 | } |
124 | 0 | a += a_stride; |
125 | 0 | b += b_stride; |
126 | 0 | } |
127 | 0 | return total_sse; |
128 | 0 | } |
129 | | |
130 | | static int64_t highbd_get_sse(const uint8_t *a, int a_stride, const uint8_t *b, |
131 | 0 | int b_stride, int width, int height) { |
132 | 0 | int64_t total_sse = 0; |
133 | 0 | int x, y; |
134 | 0 | const int dw = width % 16; |
135 | 0 | const int dh = height % 16; |
136 | |
|
137 | 0 | if (dw > 0) { |
138 | 0 | total_sse += encoder_highbd_sse(&a[width - dw], a_stride, &b[width - dw], |
139 | 0 | b_stride, dw, height); |
140 | 0 | } |
141 | 0 | if (dh > 0) { |
142 | 0 | total_sse += encoder_highbd_sse(&a[(height - dh) * a_stride], a_stride, |
143 | 0 | &b[(height - dh) * b_stride], b_stride, |
144 | 0 | width - dw, dh); |
145 | 0 | } |
146 | |
|
147 | 0 | for (y = 0; y < height / 16; ++y) { |
148 | 0 | const uint8_t *pa = a; |
149 | 0 | const uint8_t *pb = b; |
150 | 0 | for (x = 0; x < width / 16; ++x) { |
151 | 0 | total_sse += aom_highbd_sse(pa, a_stride, pb, b_stride, 16, 16); |
152 | 0 | pa += 16; |
153 | 0 | pb += 16; |
154 | 0 | } |
155 | 0 | a += 16 * a_stride; |
156 | 0 | b += 16 * b_stride; |
157 | 0 | } |
158 | 0 | return total_sse; |
159 | 0 | } |
160 | | #endif // CONFIG_AV1_HIGHBITDEPTH |
161 | | |
162 | | uint64_t aom_get_y_var(const YV12_BUFFER_CONFIG *a, int hstart, int width, |
163 | 0 | int vstart, int height) { |
164 | 0 | return aom_var_2d_u8(a->y_buffer + vstart * a->y_stride + hstart, a->y_stride, |
165 | 0 | width, height) / |
166 | 0 | (width * height); |
167 | 0 | } |
168 | | |
169 | | uint64_t aom_get_u_var(const YV12_BUFFER_CONFIG *a, int hstart, int width, |
170 | 0 | int vstart, int height) { |
171 | 0 | return aom_var_2d_u8(a->u_buffer + vstart * a->uv_stride + hstart, |
172 | 0 | a->uv_stride, width, height) / |
173 | 0 | (width * height); |
174 | 0 | } |
175 | | |
176 | | uint64_t aom_get_v_var(const YV12_BUFFER_CONFIG *a, int hstart, int width, |
177 | 0 | int vstart, int height) { |
178 | 0 | return aom_var_2d_u8(a->v_buffer + vstart * a->uv_stride + hstart, |
179 | 0 | a->uv_stride, width, height) / |
180 | 0 | (width * height); |
181 | 0 | } |
182 | | |
183 | | int64_t aom_get_y_sse_part(const YV12_BUFFER_CONFIG *a, |
184 | | const YV12_BUFFER_CONFIG *b, int hstart, int width, |
185 | 0 | int vstart, int height) { |
186 | 0 | return get_sse(a->y_buffer + vstart * a->y_stride + hstart, a->y_stride, |
187 | 0 | b->y_buffer + vstart * b->y_stride + hstart, b->y_stride, |
188 | 0 | width, height); |
189 | 0 | } |
190 | | |
191 | | int64_t aom_get_y_sse(const YV12_BUFFER_CONFIG *a, |
192 | 0 | const YV12_BUFFER_CONFIG *b) { |
193 | 0 | assert(a->y_crop_width == b->y_crop_width); |
194 | 0 | assert(a->y_crop_height == b->y_crop_height); |
195 | |
|
196 | 0 | return get_sse(a->y_buffer, a->y_stride, b->y_buffer, b->y_stride, |
197 | 0 | a->y_crop_width, a->y_crop_height); |
198 | 0 | } |
199 | | |
200 | | int64_t aom_get_u_sse_part(const YV12_BUFFER_CONFIG *a, |
201 | | const YV12_BUFFER_CONFIG *b, int hstart, int width, |
202 | 0 | int vstart, int height) { |
203 | 0 | return get_sse(a->u_buffer + vstart * a->uv_stride + hstart, a->uv_stride, |
204 | 0 | b->u_buffer + vstart * b->uv_stride + hstart, b->uv_stride, |
205 | 0 | width, height); |
206 | 0 | } |
207 | | |
208 | | int64_t aom_get_u_sse(const YV12_BUFFER_CONFIG *a, |
209 | 0 | const YV12_BUFFER_CONFIG *b) { |
210 | 0 | assert(a->uv_crop_width == b->uv_crop_width); |
211 | 0 | assert(a->uv_crop_height == b->uv_crop_height); |
212 | |
|
213 | 0 | return get_sse(a->u_buffer, a->uv_stride, b->u_buffer, b->uv_stride, |
214 | 0 | a->uv_crop_width, a->uv_crop_height); |
215 | 0 | } |
216 | | |
217 | | int64_t aom_get_v_sse_part(const YV12_BUFFER_CONFIG *a, |
218 | | const YV12_BUFFER_CONFIG *b, int hstart, int width, |
219 | 0 | int vstart, int height) { |
220 | 0 | return get_sse(a->v_buffer + vstart * a->uv_stride + hstart, a->uv_stride, |
221 | 0 | b->v_buffer + vstart * b->uv_stride + hstart, b->uv_stride, |
222 | 0 | width, height); |
223 | 0 | } |
224 | | |
225 | | int64_t aom_get_v_sse(const YV12_BUFFER_CONFIG *a, |
226 | 0 | const YV12_BUFFER_CONFIG *b) { |
227 | 0 | assert(a->uv_crop_width == b->uv_crop_width); |
228 | 0 | assert(a->uv_crop_height == b->uv_crop_height); |
229 | |
|
230 | 0 | return get_sse(a->v_buffer, a->uv_stride, b->v_buffer, b->uv_stride, |
231 | 0 | a->uv_crop_width, a->uv_crop_height); |
232 | 0 | } |
233 | | |
234 | | #if CONFIG_AV1_HIGHBITDEPTH |
235 | | uint64_t aom_highbd_get_y_var(const YV12_BUFFER_CONFIG *a, int hstart, |
236 | 0 | int width, int vstart, int height) { |
237 | 0 | return aom_var_2d_u16(a->y_buffer + vstart * a->y_stride + hstart, |
238 | 0 | a->y_stride, width, height) / |
239 | 0 | (width * height); |
240 | 0 | } |
241 | | |
242 | | uint64_t aom_highbd_get_u_var(const YV12_BUFFER_CONFIG *a, int hstart, |
243 | 0 | int width, int vstart, int height) { |
244 | 0 | return aom_var_2d_u16(a->u_buffer + vstart * a->uv_stride + hstart, |
245 | 0 | a->uv_stride, width, height) / |
246 | 0 | (width * height); |
247 | 0 | } |
248 | | |
249 | | uint64_t aom_highbd_get_v_var(const YV12_BUFFER_CONFIG *a, int hstart, |
250 | 0 | int width, int vstart, int height) { |
251 | 0 | return aom_var_2d_u16(a->v_buffer + vstart * a->uv_stride + hstart, |
252 | 0 | a->uv_stride, width, height) / |
253 | 0 | (width * height); |
254 | 0 | } |
255 | | |
256 | | int64_t aom_highbd_get_y_sse_part(const YV12_BUFFER_CONFIG *a, |
257 | | const YV12_BUFFER_CONFIG *b, int hstart, |
258 | 0 | int width, int vstart, int height) { |
259 | 0 | return highbd_get_sse( |
260 | 0 | a->y_buffer + vstart * a->y_stride + hstart, a->y_stride, |
261 | 0 | b->y_buffer + vstart * b->y_stride + hstart, b->y_stride, width, height); |
262 | 0 | } |
263 | | |
264 | | int64_t aom_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a, |
265 | 0 | const YV12_BUFFER_CONFIG *b) { |
266 | 0 | assert(a->y_crop_width == b->y_crop_width); |
267 | 0 | assert(a->y_crop_height == b->y_crop_height); |
268 | 0 | assert((a->flags & YV12_FLAG_HIGHBITDEPTH) != 0); |
269 | 0 | assert((b->flags & YV12_FLAG_HIGHBITDEPTH) != 0); |
270 | |
|
271 | 0 | return highbd_get_sse(a->y_buffer, a->y_stride, b->y_buffer, b->y_stride, |
272 | 0 | a->y_crop_width, a->y_crop_height); |
273 | 0 | } |
274 | | |
275 | | int64_t aom_highbd_get_u_sse_part(const YV12_BUFFER_CONFIG *a, |
276 | | const YV12_BUFFER_CONFIG *b, int hstart, |
277 | 0 | int width, int vstart, int height) { |
278 | 0 | return highbd_get_sse(a->u_buffer + vstart * a->uv_stride + hstart, |
279 | 0 | a->uv_stride, |
280 | 0 | b->u_buffer + vstart * b->uv_stride + hstart, |
281 | 0 | b->uv_stride, width, height); |
282 | 0 | } |
283 | | |
284 | | int64_t aom_highbd_get_u_sse(const YV12_BUFFER_CONFIG *a, |
285 | 0 | const YV12_BUFFER_CONFIG *b) { |
286 | 0 | assert(a->uv_crop_width == b->uv_crop_width); |
287 | 0 | assert(a->uv_crop_height == b->uv_crop_height); |
288 | 0 | assert((a->flags & YV12_FLAG_HIGHBITDEPTH) != 0); |
289 | 0 | assert((b->flags & YV12_FLAG_HIGHBITDEPTH) != 0); |
290 | |
|
291 | 0 | return highbd_get_sse(a->u_buffer, a->uv_stride, b->u_buffer, b->uv_stride, |
292 | 0 | a->uv_crop_width, a->uv_crop_height); |
293 | 0 | } |
294 | | |
295 | | int64_t aom_highbd_get_v_sse_part(const YV12_BUFFER_CONFIG *a, |
296 | | const YV12_BUFFER_CONFIG *b, int hstart, |
297 | 0 | int width, int vstart, int height) { |
298 | 0 | return highbd_get_sse(a->v_buffer + vstart * a->uv_stride + hstart, |
299 | 0 | a->uv_stride, |
300 | 0 | b->v_buffer + vstart * b->uv_stride + hstart, |
301 | 0 | b->uv_stride, width, height); |
302 | 0 | } |
303 | | |
304 | | int64_t aom_highbd_get_v_sse(const YV12_BUFFER_CONFIG *a, |
305 | 0 | const YV12_BUFFER_CONFIG *b) { |
306 | 0 | assert(a->uv_crop_width == b->uv_crop_width); |
307 | 0 | assert(a->uv_crop_height == b->uv_crop_height); |
308 | 0 | assert((a->flags & YV12_FLAG_HIGHBITDEPTH) != 0); |
309 | 0 | assert((b->flags & YV12_FLAG_HIGHBITDEPTH) != 0); |
310 | |
|
311 | 0 | return highbd_get_sse(a->v_buffer, a->uv_stride, b->v_buffer, b->uv_stride, |
312 | 0 | a->uv_crop_width, a->uv_crop_height); |
313 | 0 | } |
314 | | #endif // CONFIG_AV1_HIGHBITDEPTH |
315 | | |
316 | | int64_t aom_get_sse_plane(const YV12_BUFFER_CONFIG *a, |
317 | 0 | const YV12_BUFFER_CONFIG *b, int plane, int highbd) { |
318 | 0 | #if CONFIG_AV1_HIGHBITDEPTH |
319 | 0 | if (highbd) { |
320 | 0 | switch (plane) { |
321 | 0 | case 0: return aom_highbd_get_y_sse(a, b); |
322 | 0 | case 1: return aom_highbd_get_u_sse(a, b); |
323 | 0 | case 2: return aom_highbd_get_v_sse(a, b); |
324 | 0 | default: assert(plane >= 0 && plane <= 2); return 0; |
325 | 0 | } |
326 | 0 | } else { |
327 | 0 | switch (plane) { |
328 | 0 | case 0: return aom_get_y_sse(a, b); |
329 | 0 | case 1: return aom_get_u_sse(a, b); |
330 | 0 | case 2: return aom_get_v_sse(a, b); |
331 | 0 | default: assert(plane >= 0 && plane <= 2); return 0; |
332 | 0 | } |
333 | 0 | } |
334 | | #else |
335 | | (void)highbd; |
336 | | switch (plane) { |
337 | | case 0: return aom_get_y_sse(a, b); |
338 | | case 1: return aom_get_u_sse(a, b); |
339 | | case 2: return aom_get_v_sse(a, b); |
340 | | default: assert(plane >= 0 && plane <= 2); return 0; |
341 | | } |
342 | | #endif |
343 | 0 | } |
344 | | |
345 | | #if CONFIG_AV1_HIGHBITDEPTH |
346 | | void aom_calc_highbd_psnr(const YV12_BUFFER_CONFIG *a, |
347 | | const YV12_BUFFER_CONFIG *b, PSNR_STATS *psnr, |
348 | 0 | uint32_t bit_depth, uint32_t in_bit_depth) { |
349 | 0 | assert(a->y_crop_width == b->y_crop_width); |
350 | 0 | assert(a->y_crop_height == b->y_crop_height); |
351 | 0 | assert(a->uv_crop_width == b->uv_crop_width); |
352 | 0 | assert(a->uv_crop_height == b->uv_crop_height); |
353 | 0 | const int widths[3] = { a->y_crop_width, a->uv_crop_width, a->uv_crop_width }; |
354 | 0 | const int heights[3] = { a->y_crop_height, a->uv_crop_height, |
355 | 0 | a->uv_crop_height }; |
356 | 0 | const int a_strides[3] = { a->y_stride, a->uv_stride, a->uv_stride }; |
357 | 0 | const int b_strides[3] = { b->y_stride, b->uv_stride, b->uv_stride }; |
358 | 0 | int i; |
359 | 0 | uint64_t total_sse = 0; |
360 | 0 | uint32_t total_samples = 0; |
361 | 0 | #if CONFIG_LIBVMAF_PSNR_PEAK |
362 | 0 | double peak = (double)(255 << (in_bit_depth - 8)); |
363 | | #else |
364 | | double peak = (double)((1 << in_bit_depth) - 1); |
365 | | #endif // CONFIG_LIBVMAF_PSNR_PEAK |
366 | 0 | const unsigned int input_shift = bit_depth - in_bit_depth; |
367 | |
|
368 | 0 | for (i = 0; i < 3; ++i) { |
369 | 0 | const int w = widths[i]; |
370 | 0 | const int h = heights[i]; |
371 | 0 | const uint32_t samples = w * h; |
372 | 0 | uint64_t sse; |
373 | 0 | if (a->flags & YV12_FLAG_HIGHBITDEPTH) { |
374 | 0 | if (input_shift) { |
375 | 0 | sse = highbd_get_sse_shift(a->buffers[i], a_strides[i], b->buffers[i], |
376 | 0 | b_strides[i], w, h, input_shift); |
377 | 0 | } else { |
378 | 0 | sse = highbd_get_sse(a->buffers[i], a_strides[i], b->buffers[i], |
379 | 0 | b_strides[i], w, h); |
380 | 0 | } |
381 | 0 | } else { |
382 | 0 | sse = get_sse(a->buffers[i], a_strides[i], b->buffers[i], b_strides[i], w, |
383 | 0 | h); |
384 | 0 | } |
385 | 0 | psnr->sse[1 + i] = sse; |
386 | 0 | psnr->samples[1 + i] = samples; |
387 | 0 | psnr->psnr[1 + i] = aom_sse_to_psnr(samples, peak, (double)sse); |
388 | |
|
389 | 0 | total_sse += sse; |
390 | 0 | total_samples += samples; |
391 | 0 | } |
392 | |
|
393 | 0 | psnr->sse[0] = total_sse; |
394 | 0 | psnr->samples[0] = total_samples; |
395 | 0 | psnr->psnr[0] = |
396 | 0 | aom_sse_to_psnr((double)total_samples, peak, (double)total_sse); |
397 | | |
398 | | // Compute PSNR based on stream bit depth |
399 | 0 | if ((a->flags & YV12_FLAG_HIGHBITDEPTH) && (in_bit_depth < bit_depth)) { |
400 | 0 | #if CONFIG_LIBVMAF_PSNR_PEAK |
401 | 0 | peak = (double)(255 << (bit_depth - 8)); |
402 | | #else |
403 | | peak = (double)((1 << bit_depth) - 1); |
404 | | #endif // CONFIG_LIBVMAF_PSNR_PEAK |
405 | 0 | total_sse = 0; |
406 | 0 | total_samples = 0; |
407 | 0 | for (i = 0; i < 3; ++i) { |
408 | 0 | const int w = widths[i]; |
409 | 0 | const int h = heights[i]; |
410 | 0 | const uint32_t samples = w * h; |
411 | 0 | uint64_t sse; |
412 | 0 | sse = highbd_get_sse(a->buffers[i], a_strides[i], b->buffers[i], |
413 | 0 | b_strides[i], w, h); |
414 | 0 | psnr->sse_hbd[1 + i] = sse; |
415 | 0 | psnr->samples_hbd[1 + i] = samples; |
416 | 0 | psnr->psnr_hbd[1 + i] = aom_sse_to_psnr(samples, peak, (double)sse); |
417 | 0 | total_sse += sse; |
418 | 0 | total_samples += samples; |
419 | 0 | } |
420 | |
|
421 | 0 | psnr->sse_hbd[0] = total_sse; |
422 | 0 | psnr->samples_hbd[0] = total_samples; |
423 | 0 | psnr->psnr_hbd[0] = |
424 | 0 | aom_sse_to_psnr((double)total_samples, peak, (double)total_sse); |
425 | 0 | } |
426 | 0 | } |
427 | | #endif |
428 | | |
429 | | void aom_calc_psnr(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b, |
430 | 0 | PSNR_STATS *psnr) { |
431 | 0 | assert(a->y_crop_width == b->y_crop_width); |
432 | 0 | assert(a->y_crop_height == b->y_crop_height); |
433 | 0 | assert(a->uv_crop_width == b->uv_crop_width); |
434 | 0 | assert(a->uv_crop_height == b->uv_crop_height); |
435 | 0 | static const double peak = 255.0; |
436 | 0 | const int widths[3] = { a->y_crop_width, a->uv_crop_width, a->uv_crop_width }; |
437 | 0 | const int heights[3] = { a->y_crop_height, a->uv_crop_height, |
438 | 0 | a->uv_crop_height }; |
439 | 0 | const int a_strides[3] = { a->y_stride, a->uv_stride, a->uv_stride }; |
440 | 0 | const int b_strides[3] = { b->y_stride, b->uv_stride, b->uv_stride }; |
441 | 0 | int i; |
442 | 0 | uint64_t total_sse = 0; |
443 | 0 | uint32_t total_samples = 0; |
444 | |
|
445 | 0 | for (i = 0; i < 3; ++i) { |
446 | 0 | const int w = widths[i]; |
447 | 0 | const int h = heights[i]; |
448 | 0 | const uint32_t samples = w * h; |
449 | 0 | const uint64_t sse = |
450 | 0 | get_sse(a->buffers[i], a_strides[i], b->buffers[i], b_strides[i], w, h); |
451 | 0 | psnr->sse[1 + i] = sse; |
452 | 0 | psnr->samples[1 + i] = samples; |
453 | 0 | psnr->psnr[1 + i] = aom_sse_to_psnr(samples, peak, (double)sse); |
454 | |
|
455 | 0 | total_sse += sse; |
456 | 0 | total_samples += samples; |
457 | 0 | } |
458 | |
|
459 | 0 | psnr->sse[0] = total_sse; |
460 | 0 | psnr->samples[0] = total_samples; |
461 | 0 | psnr->psnr[0] = |
462 | 0 | aom_sse_to_psnr((double)total_samples, peak, (double)total_sse); |
463 | 0 | } |