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1 : | chl | 433 | /***************************************************************************** |
2 : | albeu | 315 | * |
3 : | chl | 433 | * XVID MPEG-4 VIDEO CODEC |
4 : | * - image module - | ||
5 : | albeu | 315 | * |
6 : | chl | 433 | * Copyright(C) 2002 Peter Ross <pross@xvid.org> |
7 : | albeu | 315 | * |
8 : | edgomez | 651 | * This file is part of XviD, a free MPEG-4 video encoder/decoder |
9 : | albeu | 315 | * |
10 : | edgomez | 651 | * XviD is free software; you can redistribute it and/or modify it |
11 : | * under the terms of the GNU General Public License as published by | ||
12 : | chl | 433 | * the Free Software Foundation; either version 2 of the License, or |
13 : | * (at your option) any later version. | ||
14 : | albeu | 315 | * |
15 : | chl | 433 | * This program is distributed in the hope that it will be useful, |
16 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 : | * GNU General Public License for more details. | ||
19 : | albeu | 315 | * |
20 : | chl | 433 | * You should have received a copy of the GNU General Public License |
21 : | * along with this program; if not, write to the Free Software | ||
22 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
23 : | albeu | 315 | * |
24 : | edgomez | 651 | * Under section 8 of the GNU General Public License, the copyright |
25 : | * holders of XVID explicitly forbid distribution in the following | ||
26 : | * countries: | ||
27 : | * | ||
28 : | * - Japan | ||
29 : | * - United States of America | ||
30 : | * | ||
31 : | * Linking XviD statically or dynamically with other modules is making a | ||
32 : | * combined work based on XviD. Thus, the terms and conditions of the | ||
33 : | * GNU General Public License cover the whole combination. | ||
34 : | * | ||
35 : | * As a special exception, the copyright holders of XviD give you | ||
36 : | * permission to link XviD with independent modules that communicate with | ||
37 : | * XviD solely through the VFW1.1 and DShow interfaces, regardless of the | ||
38 : | * license terms of these independent modules, and to copy and distribute | ||
39 : | * the resulting combined work under terms of your choice, provided that | ||
40 : | * every copy of the combined work is accompanied by a complete copy of | ||
41 : | * the source code of XviD (the version of XviD used to produce the | ||
42 : | * combined work), being distributed under the terms of the GNU General | ||
43 : | * Public License plus this exception. An independent module is a module | ||
44 : | * which is not derived from or based on XviD. | ||
45 : | * | ||
46 : | * Note that people who make modified versions of XviD are not obligated | ||
47 : | * to grant this special exception for their modified versions; it is | ||
48 : | * their choice whether to do so. The GNU General Public License gives | ||
49 : | * permission to release a modified version without this exception; this | ||
50 : | * exception also makes it possible to release a modified version which | ||
51 : | * carries forward this exception. | ||
52 : | * | ||
53 : | edgomez | 677 | * $Id: image.c,v 1.25 2002-11-26 23:44:10 edgomez Exp $ |
54 : | edgomez | 651 | * |
55 : | chl | 433 | ****************************************************************************/ |
56 : | albeu | 315 | |
57 : | #include <stdlib.h> | ||
58 : | edgomez | 677 | #include <string.h> /* memcpy, memset */ |
59 : | albeu | 315 | #include <math.h> |
60 : | |||
61 : | #include "../portab.h" | ||
62 : | edgomez | 677 | #include "../xvid.h" |
63 : | albeu | 315 | #include "image.h" |
64 : | #include "colorspace.h" | ||
65 : | #include "interpolate8x8.h" | ||
66 : | #include "../divx4.h" | ||
67 : | #include "../utils/mem_align.h" | ||
68 : | |||
69 : | #define SAFETY 64 | ||
70 : | #define EDGE_SIZE2 (EDGE_SIZE/2) | ||
71 : | |||
72 : | |||
73 : | int32_t | ||
74 : | image_create(IMAGE * image, | ||
75 : | uint32_t edged_width, | ||
76 : | uint32_t edged_height) | ||
77 : | { | ||
78 : | const uint32_t edged_width2 = edged_width / 2; | ||
79 : | const uint32_t edged_height2 = edged_height / 2; | ||
80 : | uint32_t i; | ||
81 : | |||
82 : | image->y = | ||
83 : | xvid_malloc(edged_width * (edged_height + 1) + SAFETY, CACHE_LINE); | ||
84 : | if (image->y == NULL) { | ||
85 : | return -1; | ||
86 : | } | ||
87 : | |||
88 : | for (i = 0; i < edged_width * edged_height + SAFETY; i++) { | ||
89 : | image->y[i] = 0; | ||
90 : | } | ||
91 : | |||
92 : | image->u = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE); | ||
93 : | if (image->u == NULL) { | ||
94 : | xvid_free(image->y); | ||
95 : | return -1; | ||
96 : | } | ||
97 : | image->v = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE); | ||
98 : | if (image->v == NULL) { | ||
99 : | xvid_free(image->u); | ||
100 : | xvid_free(image->y); | ||
101 : | return -1; | ||
102 : | } | ||
103 : | |||
104 : | image->y += EDGE_SIZE * edged_width + EDGE_SIZE; | ||
105 : | image->u += EDGE_SIZE2 * edged_width2 + EDGE_SIZE2; | ||
106 : | image->v += EDGE_SIZE2 * edged_width2 + EDGE_SIZE2; | ||
107 : | |||
108 : | return 0; | ||
109 : | } | ||
110 : | |||
111 : | |||
112 : | |||
113 : | void | ||
114 : | image_destroy(IMAGE * image, | ||
115 : | uint32_t edged_width, | ||
116 : | uint32_t edged_height) | ||
117 : | { | ||
118 : | const uint32_t edged_width2 = edged_width / 2; | ||
119 : | |||
120 : | if (image->y) { | ||
121 : | xvid_free(image->y - (EDGE_SIZE * edged_width + EDGE_SIZE)); | ||
122 : | } | ||
123 : | if (image->u) { | ||
124 : | xvid_free(image->u - (EDGE_SIZE2 * edged_width2 + EDGE_SIZE2)); | ||
125 : | } | ||
126 : | if (image->v) { | ||
127 : | xvid_free(image->v - (EDGE_SIZE2 * edged_width2 + EDGE_SIZE2)); | ||
128 : | } | ||
129 : | } | ||
130 : | |||
131 : | |||
132 : | void | ||
133 : | image_swap(IMAGE * image1, | ||
134 : | IMAGE * image2) | ||
135 : | { | ||
136 : | uint8_t *tmp; | ||
137 : | |||
138 : | tmp = image1->y; | ||
139 : | image1->y = image2->y; | ||
140 : | image2->y = tmp; | ||
141 : | |||
142 : | tmp = image1->u; | ||
143 : | image1->u = image2->u; | ||
144 : | image2->u = tmp; | ||
145 : | |||
146 : | tmp = image1->v; | ||
147 : | image1->v = image2->v; | ||
148 : | image2->v = tmp; | ||
149 : | } | ||
150 : | |||
151 : | |||
152 : | void | ||
153 : | image_copy(IMAGE * image1, | ||
154 : | IMAGE * image2, | ||
155 : | uint32_t edged_width, | ||
156 : | uint32_t height) | ||
157 : | { | ||
158 : | memcpy(image1->y, image2->y, edged_width * height); | ||
159 : | memcpy(image1->u, image2->u, edged_width * height / 4); | ||
160 : | memcpy(image1->v, image2->v, edged_width * height / 4); | ||
161 : | } | ||
162 : | |||
163 : | |||
164 : | void | ||
165 : | image_setedges(IMAGE * image, | ||
166 : | uint32_t edged_width, | ||
167 : | uint32_t edged_height, | ||
168 : | uint32_t width, | ||
169 : | h | 541 | uint32_t height) |
170 : | albeu | 315 | { |
171 : | const uint32_t edged_width2 = edged_width / 2; | ||
172 : | const uint32_t width2 = width / 2; | ||
173 : | uint32_t i; | ||
174 : | uint8_t *dst; | ||
175 : | uint8_t *src; | ||
176 : | |||
177 : | |||
178 : | dst = image->y - (EDGE_SIZE + EDGE_SIZE * edged_width); | ||
179 : | src = image->y; | ||
180 : | |||
181 : | for (i = 0; i < EDGE_SIZE; i++) { | ||
182 : | memset(dst, *src, EDGE_SIZE); | ||
183 : | memcpy(dst + EDGE_SIZE, src, width); | ||
184 : | memset(dst + edged_width - EDGE_SIZE, *(src + width - 1), | ||
185 : | EDGE_SIZE); | ||
186 : | dst += edged_width; | ||
187 : | } | ||
188 : | |||
189 : | for (i = 0; i < height; i++) { | ||
190 : | memset(dst, *src, EDGE_SIZE); | ||
191 : | memset(dst + edged_width - EDGE_SIZE, src[width - 1], EDGE_SIZE); | ||
192 : | dst += edged_width; | ||
193 : | src += edged_width; | ||
194 : | } | ||
195 : | |||
196 : | src -= edged_width; | ||
197 : | for (i = 0; i < EDGE_SIZE; i++) { | ||
198 : | memset(dst, *src, EDGE_SIZE); | ||
199 : | memcpy(dst + EDGE_SIZE, src, width); | ||
200 : | memset(dst + edged_width - EDGE_SIZE, *(src + width - 1), | ||
201 : | EDGE_SIZE); | ||
202 : | dst += edged_width; | ||
203 : | } | ||
204 : | |||
205 : | |||
206 : | edgomez | 677 | /*U */ |
207 : | albeu | 315 | dst = image->u - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
208 : | src = image->u; | ||
209 : | |||
210 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
211 : | memset(dst, *src, EDGE_SIZE2); | ||
212 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
213 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
214 : | EDGE_SIZE2); | ||
215 : | dst += edged_width2; | ||
216 : | } | ||
217 : | |||
218 : | for (i = 0; i < height / 2; i++) { | ||
219 : | memset(dst, *src, EDGE_SIZE2); | ||
220 : | memset(dst + edged_width2 - EDGE_SIZE2, src[width2 - 1], EDGE_SIZE2); | ||
221 : | dst += edged_width2; | ||
222 : | src += edged_width2; | ||
223 : | } | ||
224 : | src -= edged_width2; | ||
225 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
226 : | memset(dst, *src, EDGE_SIZE2); | ||
227 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
228 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
229 : | EDGE_SIZE2); | ||
230 : | dst += edged_width2; | ||
231 : | } | ||
232 : | |||
233 : | |||
234 : | edgomez | 677 | /* V */ |
235 : | albeu | 315 | dst = image->v - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
236 : | src = image->v; | ||
237 : | |||
238 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
239 : | memset(dst, *src, EDGE_SIZE2); | ||
240 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
241 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
242 : | EDGE_SIZE2); | ||
243 : | dst += edged_width2; | ||
244 : | } | ||
245 : | |||
246 : | for (i = 0; i < height / 2; i++) { | ||
247 : | memset(dst, *src, EDGE_SIZE2); | ||
248 : | memset(dst + edged_width2 - EDGE_SIZE2, src[width2 - 1], EDGE_SIZE2); | ||
249 : | dst += edged_width2; | ||
250 : | src += edged_width2; | ||
251 : | } | ||
252 : | src -= edged_width2; | ||
253 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
254 : | memset(dst, *src, EDGE_SIZE2); | ||
255 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
256 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
257 : | EDGE_SIZE2); | ||
258 : | dst += edged_width2; | ||
259 : | } | ||
260 : | } | ||
261 : | |||
262 : | edgomez | 677 | /* bframe encoding requires image-based u,v interpolation */ |
263 : | albeu | 315 | void |
264 : | image_interpolate(const IMAGE * refn, | ||
265 : | IMAGE * refh, | ||
266 : | IMAGE * refv, | ||
267 : | IMAGE * refhv, | ||
268 : | uint32_t edged_width, | ||
269 : | uint32_t edged_height, | ||
270 : | uint32_t rounding) | ||
271 : | { | ||
272 : | const uint32_t offset = EDGE_SIZE * (edged_width + 1); | ||
273 : | const uint32_t stride_add = 7 * edged_width; | ||
274 : | |||
275 : | uint8_t *n_ptr, *h_ptr, *v_ptr, *hv_ptr; | ||
276 : | uint32_t x, y; | ||
277 : | |||
278 : | |||
279 : | n_ptr = refn->y; | ||
280 : | h_ptr = refh->y; | ||
281 : | v_ptr = refv->y; | ||
282 : | hv_ptr = refhv->y; | ||
283 : | |||
284 : | n_ptr -= offset; | ||
285 : | h_ptr -= offset; | ||
286 : | v_ptr -= offset; | ||
287 : | hv_ptr -= offset; | ||
288 : | |||
289 : | for (y = 0; y < edged_height; y = y + 8) { | ||
290 : | for (x = 0; x < edged_width; x = x + 8) { | ||
291 : | interpolate8x8_halfpel_h(h_ptr, n_ptr, edged_width, rounding); | ||
292 : | interpolate8x8_halfpel_v(v_ptr, n_ptr, edged_width, rounding); | ||
293 : | interpolate8x8_halfpel_hv(hv_ptr, n_ptr, edged_width, rounding); | ||
294 : | |||
295 : | n_ptr += 8; | ||
296 : | h_ptr += 8; | ||
297 : | v_ptr += 8; | ||
298 : | hv_ptr += 8; | ||
299 : | } | ||
300 : | h_ptr += stride_add; | ||
301 : | v_ptr += stride_add; | ||
302 : | hv_ptr += stride_add; | ||
303 : | n_ptr += stride_add; | ||
304 : | } | ||
305 : | |||
306 : | /* | ||
307 : | interpolate_halfpel_h( | ||
308 : | refh->y - offset, | ||
309 : | refn->y - offset, | ||
310 : | edged_width, edged_height, | ||
311 : | rounding); | ||
312 : | |||
313 : | interpolate_halfpel_v( | ||
314 : | refv->y - offset, | ||
315 : | refn->y - offset, | ||
316 : | edged_width, edged_height, | ||
317 : | rounding); | ||
318 : | |||
319 : | interpolate_halfpel_hv( | ||
320 : | refhv->y - offset, | ||
321 : | refn->y - offset, | ||
322 : | edged_width, edged_height, | ||
323 : | rounding); | ||
324 : | */ | ||
325 : | |||
326 : | /* uv-image-based compensation | ||
327 : | offset = EDGE_SIZE2 * (edged_width / 2 + 1); | ||
328 : | |||
329 : | interpolate_halfpel_h( | ||
330 : | refh->u - offset, | ||
331 : | refn->u - offset, | ||
332 : | edged_width / 2, edged_height / 2, | ||
333 : | rounding); | ||
334 : | |||
335 : | interpolate_halfpel_v( | ||
336 : | refv->u - offset, | ||
337 : | refn->u - offset, | ||
338 : | edged_width / 2, edged_height / 2, | ||
339 : | rounding); | ||
340 : | |||
341 : | interpolate_halfpel_hv( | ||
342 : | refhv->u - offset, | ||
343 : | refn->u - offset, | ||
344 : | edged_width / 2, edged_height / 2, | ||
345 : | rounding); | ||
346 : | |||
347 : | |||
348 : | interpolate_halfpel_h( | ||
349 : | refh->v - offset, | ||
350 : | refn->v - offset, | ||
351 : | edged_width / 2, edged_height / 2, | ||
352 : | rounding); | ||
353 : | |||
354 : | interpolate_halfpel_v( | ||
355 : | refv->v - offset, | ||
356 : | refn->v - offset, | ||
357 : | edged_width / 2, edged_height / 2, | ||
358 : | rounding); | ||
359 : | |||
360 : | interpolate_halfpel_hv( | ||
361 : | refhv->v - offset, | ||
362 : | refn->v - offset, | ||
363 : | edged_width / 2, edged_height / 2, | ||
364 : | rounding); | ||
365 : | */ | ||
366 : | } | ||
367 : | |||
368 : | |||
369 : | int | ||
370 : | image_input(IMAGE * image, | ||
371 : | uint32_t width, | ||
372 : | int height, | ||
373 : | uint32_t edged_width, | ||
374 : | uint8_t * src, | ||
375 : | int csp) | ||
376 : | { | ||
377 : | |||
378 : | /* if (csp & XVID_CSP_VFLIP) | ||
379 : | { | ||
380 : | height = -height; | ||
381 : | } | ||
382 : | */ | ||
383 : | |||
384 : | switch (csp & ~XVID_CSP_VFLIP) { | ||
385 : | case XVID_CSP_RGB555: | ||
386 : | rgb555_to_yv12(image->y, image->u, image->v, src, width, height, | ||
387 : | edged_width); | ||
388 : | return 0; | ||
389 : | |||
390 : | case XVID_CSP_RGB565: | ||
391 : | rgb565_to_yv12(image->y, image->u, image->v, src, width, height, | ||
392 : | edged_width); | ||
393 : | return 0; | ||
394 : | |||
395 : | |||
396 : | case XVID_CSP_RGB24: | ||
397 : | rgb24_to_yv12(image->y, image->u, image->v, src, width, height, | ||
398 : | edged_width); | ||
399 : | return 0; | ||
400 : | |||
401 : | case XVID_CSP_RGB32: | ||
402 : | rgb32_to_yv12(image->y, image->u, image->v, src, width, height, | ||
403 : | edged_width); | ||
404 : | return 0; | ||
405 : | |||
406 : | case XVID_CSP_I420: | ||
407 : | yuv_to_yv12(image->y, image->u, image->v, src, width, height, | ||
408 : | edged_width); | ||
409 : | return 0; | ||
410 : | |||
411 : | case XVID_CSP_YV12: /* u/v swapped */ | ||
412 : | yuv_to_yv12(image->y, image->v, image->u, src, width, height, | ||
413 : | edged_width); | ||
414 : | return 0; | ||
415 : | |||
416 : | case XVID_CSP_YUY2: | ||
417 : | yuyv_to_yv12(image->y, image->u, image->v, src, width, height, | ||
418 : | edged_width); | ||
419 : | return 0; | ||
420 : | |||
421 : | case XVID_CSP_YVYU: /* u/v swapped */ | ||
422 : | yuyv_to_yv12(image->y, image->v, image->u, src, width, height, | ||
423 : | edged_width); | ||
424 : | return 0; | ||
425 : | |||
426 : | case XVID_CSP_UYVY: | ||
427 : | uyvy_to_yv12(image->y, image->u, image->v, src, width, height, | ||
428 : | edged_width); | ||
429 : | return 0; | ||
430 : | |||
431 : | case XVID_CSP_USER: | ||
432 : | user_to_yuv_c(image->y, image->u, image->v, edged_width, | ||
433 : | (DEC_PICTURE *) src, width, height); | ||
434 : | return 0; | ||
435 : | |||
436 : | case XVID_CSP_NULL: | ||
437 : | break; | ||
438 : | |||
439 : | } | ||
440 : | |||
441 : | return -1; | ||
442 : | } | ||
443 : | |||
444 : | |||
445 : | |||
446 : | int | ||
447 : | image_output(IMAGE * image, | ||
448 : | uint32_t width, | ||
449 : | int height, | ||
450 : | uint32_t edged_width, | ||
451 : | uint8_t * dst, | ||
452 : | uint32_t dst_stride, | ||
453 : | int csp) | ||
454 : | { | ||
455 : | if (csp & XVID_CSP_VFLIP) { | ||
456 : | height = -height; | ||
457 : | } | ||
458 : | |||
459 : | switch (csp & ~XVID_CSP_VFLIP) { | ||
460 : | case XVID_CSP_RGB555: | ||
461 : | yv12_to_rgb555(dst, dst_stride, image->y, image->u, image->v, | ||
462 : | edged_width, edged_width / 2, width, height); | ||
463 : | return 0; | ||
464 : | |||
465 : | case XVID_CSP_RGB565: | ||
466 : | yv12_to_rgb565(dst, dst_stride, image->y, image->u, image->v, | ||
467 : | edged_width, edged_width / 2, width, height); | ||
468 : | return 0; | ||
469 : | |||
470 : | case XVID_CSP_RGB24: | ||
471 : | yv12_to_rgb24(dst, dst_stride, image->y, image->u, image->v, | ||
472 : | edged_width, edged_width / 2, width, height); | ||
473 : | return 0; | ||
474 : | |||
475 : | case XVID_CSP_RGB32: | ||
476 : | yv12_to_rgb32(dst, dst_stride, image->y, image->u, image->v, | ||
477 : | edged_width, edged_width / 2, width, height); | ||
478 : | return 0; | ||
479 : | |||
480 : | case XVID_CSP_I420: | ||
481 : | yv12_to_yuv(dst, dst_stride, image->y, image->u, image->v, edged_width, | ||
482 : | edged_width / 2, width, height); | ||
483 : | return 0; | ||
484 : | |||
485 : | edgomez | 677 | case XVID_CSP_YV12: /* u,v swapped */ |
486 : | albeu | 315 | yv12_to_yuv(dst, dst_stride, image->y, image->v, image->u, edged_width, |
487 : | edged_width / 2, width, height); | ||
488 : | return 0; | ||
489 : | |||
490 : | case XVID_CSP_YUY2: | ||
491 : | yv12_to_yuyv(dst, dst_stride, image->y, image->u, image->v, | ||
492 : | edged_width, edged_width / 2, width, height); | ||
493 : | return 0; | ||
494 : | |||
495 : | edgomez | 677 | case XVID_CSP_YVYU: /* u,v swapped */ |
496 : | albeu | 315 | yv12_to_yuyv(dst, dst_stride, image->y, image->v, image->u, |
497 : | edged_width, edged_width / 2, width, height); | ||
498 : | return 0; | ||
499 : | |||
500 : | case XVID_CSP_UYVY: | ||
501 : | yv12_to_uyvy(dst, dst_stride, image->y, image->u, image->v, | ||
502 : | edged_width, edged_width / 2, width, height); | ||
503 : | return 0; | ||
504 : | |||
505 : | case XVID_CSP_USER: | ||
506 : | ((DEC_PICTURE *) dst)->y = image->y; | ||
507 : | ((DEC_PICTURE *) dst)->u = image->u; | ||
508 : | ((DEC_PICTURE *) dst)->v = image->v; | ||
509 : | ((DEC_PICTURE *) dst)->stride_y = edged_width; | ||
510 : | ((DEC_PICTURE *) dst)->stride_uv = edged_width / 2; | ||
511 : | return 0; | ||
512 : | |||
513 : | case XVID_CSP_NULL: | ||
514 : | case XVID_CSP_EXTERN: | ||
515 : | return 0; | ||
516 : | |||
517 : | } | ||
518 : | |||
519 : | return -1; | ||
520 : | } | ||
521 : | |||
522 : | float | ||
523 : | image_psnr(IMAGE * orig_image, | ||
524 : | IMAGE * recon_image, | ||
525 : | uint16_t stride, | ||
526 : | uint16_t width, | ||
527 : | uint16_t height) | ||
528 : | { | ||
529 : | int32_t diff, x, y, quad = 0; | ||
530 : | uint8_t *orig = orig_image->y; | ||
531 : | uint8_t *recon = recon_image->y; | ||
532 : | float psnr_y; | ||
533 : | |||
534 : | for (y = 0; y < height; y++) { | ||
535 : | for (x = 0; x < width; x++) { | ||
536 : | diff = *(orig + x) - *(recon + x); | ||
537 : | quad += diff * diff; | ||
538 : | } | ||
539 : | orig += stride; | ||
540 : | recon += stride; | ||
541 : | } | ||
542 : | |||
543 : | psnr_y = (float) quad / (float) (width * height); | ||
544 : | |||
545 : | if (psnr_y) { | ||
546 : | psnr_y = (float) (255 * 255) / psnr_y; | ||
547 : | psnr_y = 10 * (float) log10(psnr_y); | ||
548 : | } else | ||
549 : | psnr_y = (float) 99.99; | ||
550 : | |||
551 : | return psnr_y; | ||
552 : | } | ||
553 : | |||
554 : | edgomez | 677 | #if 0 |
555 : | albeu | 315 | |
556 : | #include <stdio.h> | ||
557 : | #include <string.h> | ||
558 : | |||
559 : | int image_dump_pgm(uint8_t * bmp, uint32_t width, uint32_t height, char * filename) | ||
560 : | { | ||
561 : | FILE * f; | ||
562 : | char hdr[1024]; | ||
563 : | |||
564 : | f = fopen(filename, "wb"); | ||
565 : | if ( f == NULL) | ||
566 : | { | ||
567 : | return -1; | ||
568 : | } | ||
569 : | sprintf(hdr, "P5\n#xvid\n%i %i\n255\n", width, height); | ||
570 : | fwrite(hdr, strlen(hdr), 1, f); | ||
571 : | fwrite(bmp, width, height, f); | ||
572 : | fclose(f); | ||
573 : | |||
574 : | return 0; | ||
575 : | } | ||
576 : | |||
577 : | |||
578 : | edgomez | 677 | /* dump image+edges to yuv pgm files */ |
579 : | albeu | 315 | |
580 : | int image_dump(IMAGE * image, uint32_t edged_width, uint32_t edged_height, char * path, int number) | ||
581 : | { | ||
582 : | char filename[1024]; | ||
583 : | |||
584 : | sprintf(filename, "%s_%i_%c.pgm", path, number, 'y'); | ||
585 : | image_dump_pgm( | ||
586 : | image->y - (EDGE_SIZE * edged_width + EDGE_SIZE), | ||
587 : | edged_width, edged_height, filename); | ||
588 : | |||
589 : | sprintf(filename, "%s_%i_%c.pgm", path, number, 'u'); | ||
590 : | image_dump_pgm( | ||
591 : | image->u - (EDGE_SIZE2 * edged_width / 2 + EDGE_SIZE2), | ||
592 : | edged_width / 2, edged_height / 2, filename); | ||
593 : | |||
594 : | sprintf(filename, "%s_%i_%c.pgm", path, number, 'v'); | ||
595 : | image_dump_pgm( | ||
596 : | image->v - (EDGE_SIZE2 * edged_width / 2 + EDGE_SIZE2), | ||
597 : | edged_width / 2, edged_height / 2, filename); | ||
598 : | |||
599 : | return 0; | ||
600 : | } | ||
601 : | edgomez | 677 | #endif |
602 : | albeu | 315 | |
603 : | |||
604 : | |||
605 : | /* dump image to yuvpgm file */ | ||
606 : | |||
607 : | #include <stdio.h> | ||
608 : | |||
609 : | int | ||
610 : | image_dump_yuvpgm(const IMAGE * image, | ||
611 : | const uint32_t edged_width, | ||
612 : | const uint32_t width, | ||
613 : | const uint32_t height, | ||
614 : | char *filename) | ||
615 : | { | ||
616 : | FILE *f; | ||
617 : | char hdr[1024]; | ||
618 : | uint32_t i; | ||
619 : | uint8_t *bmp1; | ||
620 : | uint8_t *bmp2; | ||
621 : | |||
622 : | |||
623 : | f = fopen(filename, "wb"); | ||
624 : | if (f == NULL) { | ||
625 : | return -1; | ||
626 : | } | ||
627 : | sprintf(hdr, "P5\n#xvid\n%i %i\n255\n", width, (3 * height) / 2); | ||
628 : | fwrite(hdr, strlen(hdr), 1, f); | ||
629 : | |||
630 : | bmp1 = image->y; | ||
631 : | for (i = 0; i < height; i++) { | ||
632 : | fwrite(bmp1, width, 1, f); | ||
633 : | bmp1 += edged_width; | ||
634 : | } | ||
635 : | |||
636 : | bmp1 = image->u; | ||
637 : | bmp2 = image->v; | ||
638 : | for (i = 0; i < height / 2; i++) { | ||
639 : | fwrite(bmp1, width / 2, 1, f); | ||
640 : | fwrite(bmp2, width / 2, 1, f); | ||
641 : | bmp1 += edged_width / 2; | ||
642 : | bmp2 += edged_width / 2; | ||
643 : | } | ||
644 : | |||
645 : | fclose(f); | ||
646 : | return 0; | ||
647 : | } | ||
648 : | |||
649 : | |||
650 : | #define ABS(X) (((X)>0)?(X):-(X)) | ||
651 : | float | ||
652 : | image_mad(const IMAGE * img1, | ||
653 : | const IMAGE * img2, | ||
654 : | uint32_t stride, | ||
655 : | uint32_t width, | ||
656 : | uint32_t height) | ||
657 : | { | ||
658 : | const uint32_t stride2 = stride / 2; | ||
659 : | const uint32_t width2 = width / 2; | ||
660 : | const uint32_t height2 = height / 2; | ||
661 : | |||
662 : | uint32_t x, y; | ||
663 : | uint32_t sum = 0; | ||
664 : | |||
665 : | for (y = 0; y < height; y++) | ||
666 : | for (x = 0; x < width; x++) | ||
667 : | sum += ABS(img1->y[x + y * stride] - img2->y[x + y * stride]); | ||
668 : | |||
669 : | for (y = 0; y < height2; y++) | ||
670 : | for (x = 0; x < width2; x++) | ||
671 : | sum += ABS(img1->u[x + y * stride2] - img2->u[x + y * stride2]); | ||
672 : | |||
673 : | for (y = 0; y < height2; y++) | ||
674 : | for (x = 0; x < width2; x++) | ||
675 : | sum += ABS(img1->v[x + y * stride2] - img2->v[x + y * stride2]); | ||
676 : | |||
677 : | return (float) sum / (width * height * 3 / 2); | ||
678 : | } | ||
679 : | |||
680 : | void | ||
681 : | output_slice(IMAGE * cur, int std, int width, XVID_DEC_PICTURE* out_frm, int mbx, int mby,int mbl) { | ||
682 : | uint8_t *dY,*dU,*dV,*sY,*sU,*sV; | ||
683 : | int std2 = std >> 1; | ||
684 : | int w = mbl << 4, w2,i; | ||
685 : | |||
686 : | if(w > width) | ||
687 : | w = width; | ||
688 : | w2 = w >> 1; | ||
689 : | suxen_drol | 323 | |
690 : | albeu | 315 | dY = (uint8_t*)out_frm->y + (mby << 4) * out_frm->stride_y + (mbx << 4); |
691 : | dU = (uint8_t*)out_frm->u + (mby << 3) * out_frm->stride_u + (mbx << 3); | ||
692 : | dV = (uint8_t*)out_frm->v + (mby << 3) * out_frm->stride_v + (mbx << 3); | ||
693 : | sY = cur->y + (mby << 4) * std + (mbx << 4); | ||
694 : | sU = cur->u + (mby << 3) * std2 + (mbx << 3); | ||
695 : | sV = cur->v + (mby << 3) * std2 + (mbx << 3); | ||
696 : | |||
697 : | for(i = 0 ; i < 16 ; i++) { | ||
698 : | memcpy(dY,sY,w); | ||
699 : | suxen_drol | 323 | dY += out_frm->stride_y; |
700 : | sY += std; | ||
701 : | } | ||
702 : | albeu | 315 | for(i = 0 ; i < 8 ; i++) { |
703 : | memcpy(dU,sU,w2); | ||
704 : | dU += out_frm->stride_u; | ||
705 : | sU += std2; | ||
706 : | } | ||
707 : | for(i = 0 ; i < 8 ; i++) { | ||
708 : | memcpy(dV,sV,w2); | ||
709 : | dV += out_frm->stride_v; | ||
710 : | sV += std2; | ||
711 : | } | ||
712 : | } |
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