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1 : | edgomez | 851 | /************************************************************************** |
2 : | albeu | 315 | * |
3 : | edgomez | 1054 | * XVID MPEG-4 VIDEO CODEC |
4 : | * - Image management functions - | ||
5 : | albeu | 315 | * |
6 : | edgomez | 1054 | * Copyright(C) 2001-2003 Peter Ross <pross@xvid.org> |
7 : | albeu | 315 | * |
8 : | edgomez | 1054 | * This program is free software ; you can redistribute it and/or modify |
9 : | * it under the terms of the GNU General Public License as published by | ||
10 : | * the Free Software Foundation ; either version 2 of the License, or | ||
11 : | * (at your option) any later version. | ||
12 : | albeu | 315 | * |
13 : | edgomez | 1054 | * This program is distributed in the hope that it will be useful, |
14 : | * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
15 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 : | * GNU General Public License for more details. | ||
17 : | albeu | 315 | * |
18 : | edgomez | 1054 | * You should have received a copy of the GNU General Public License |
19 : | * along with this program ; if not, write to the Free Software | ||
20 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
21 : | albeu | 315 | * |
22 : | edgomez | 1200 | * $Id: image.c,v 1.26.2.11 2003-11-05 16:15:47 edgomez Exp $ |
23 : | albeu | 315 | * |
24 : | edgomez | 1054 | ****************************************************************************/ |
25 : | albeu | 315 | |
26 : | #include <stdlib.h> | ||
27 : | edgomez | 1053 | #include <string.h> /* memcpy, memset */ |
28 : | albeu | 315 | #include <math.h> |
29 : | |||
30 : | #include "../portab.h" | ||
31 : | edgomez | 1053 | #include "../global.h" |
32 : | #include "../xvid.h" | ||
33 : | albeu | 315 | #include "image.h" |
34 : | #include "colorspace.h" | ||
35 : | #include "interpolate8x8.h" | ||
36 : | edgomez | 851 | #include "reduced.h" |
37 : | albeu | 315 | #include "../utils/mem_align.h" |
38 : | |||
39 : | edgomez | 1053 | #include "font.h" |
40 : | edgomez | 851 | |
41 : | albeu | 315 | #define SAFETY 64 |
42 : | #define EDGE_SIZE2 (EDGE_SIZE/2) | ||
43 : | |||
44 : | |||
45 : | int32_t | ||
46 : | image_create(IMAGE * image, | ||
47 : | uint32_t edged_width, | ||
48 : | uint32_t edged_height) | ||
49 : | { | ||
50 : | const uint32_t edged_width2 = edged_width / 2; | ||
51 : | const uint32_t edged_height2 = edged_height / 2; | ||
52 : | |||
53 : | image->y = | ||
54 : | xvid_malloc(edged_width * (edged_height + 1) + SAFETY, CACHE_LINE); | ||
55 : | if (image->y == NULL) { | ||
56 : | return -1; | ||
57 : | } | ||
58 : | edgomez | 1157 | memset(image->y, 0, edged_width * (edged_height + 1) + SAFETY); |
59 : | albeu | 315 | |
60 : | image->u = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE); | ||
61 : | if (image->u == NULL) { | ||
62 : | xvid_free(image->y); | ||
63 : | edgomez | 1157 | image->y = NULL; |
64 : | albeu | 315 | return -1; |
65 : | } | ||
66 : | edgomez | 1157 | memset(image->u, 0, edged_width2 * edged_height2 + SAFETY); |
67 : | |||
68 : | albeu | 315 | image->v = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE); |
69 : | if (image->v == NULL) { | ||
70 : | xvid_free(image->u); | ||
71 : | edgomez | 1157 | image->u = NULL; |
72 : | albeu | 315 | xvid_free(image->y); |
73 : | edgomez | 1157 | image->y = NULL; |
74 : | albeu | 315 | return -1; |
75 : | } | ||
76 : | edgomez | 1157 | memset(image->v, 0, edged_width2 * edged_height2 + SAFETY); |
77 : | albeu | 315 | |
78 : | image->y += EDGE_SIZE * edged_width + EDGE_SIZE; | ||
79 : | image->u += EDGE_SIZE2 * edged_width2 + EDGE_SIZE2; | ||
80 : | image->v += EDGE_SIZE2 * edged_width2 + EDGE_SIZE2; | ||
81 : | |||
82 : | return 0; | ||
83 : | } | ||
84 : | |||
85 : | |||
86 : | |||
87 : | void | ||
88 : | image_destroy(IMAGE * image, | ||
89 : | uint32_t edged_width, | ||
90 : | uint32_t edged_height) | ||
91 : | { | ||
92 : | const uint32_t edged_width2 = edged_width / 2; | ||
93 : | |||
94 : | if (image->y) { | ||
95 : | xvid_free(image->y - (EDGE_SIZE * edged_width + EDGE_SIZE)); | ||
96 : | edgomez | 1157 | image->y = NULL; |
97 : | albeu | 315 | } |
98 : | if (image->u) { | ||
99 : | xvid_free(image->u - (EDGE_SIZE2 * edged_width2 + EDGE_SIZE2)); | ||
100 : | edgomez | 1157 | image->u = NULL; |
101 : | albeu | 315 | } |
102 : | if (image->v) { | ||
103 : | xvid_free(image->v - (EDGE_SIZE2 * edged_width2 + EDGE_SIZE2)); | ||
104 : | edgomez | 1157 | image->v = NULL; |
105 : | albeu | 315 | } |
106 : | } | ||
107 : | |||
108 : | |||
109 : | void | ||
110 : | image_swap(IMAGE * image1, | ||
111 : | IMAGE * image2) | ||
112 : | { | ||
113 : | suxen_drol | 926 | SWAP(uint8_t*, image1->y, image2->y); |
114 : | SWAP(uint8_t*, image1->u, image2->u); | ||
115 : | SWAP(uint8_t*, image1->v, image2->v); | ||
116 : | albeu | 315 | } |
117 : | |||
118 : | |||
119 : | void | ||
120 : | image_copy(IMAGE * image1, | ||
121 : | IMAGE * image2, | ||
122 : | uint32_t edged_width, | ||
123 : | uint32_t height) | ||
124 : | { | ||
125 : | memcpy(image1->y, image2->y, edged_width * height); | ||
126 : | memcpy(image1->u, image2->u, edged_width * height / 4); | ||
127 : | memcpy(image1->v, image2->v, edged_width * height / 4); | ||
128 : | } | ||
129 : | |||
130 : | |||
131 : | void | ||
132 : | image_setedges(IMAGE * image, | ||
133 : | uint32_t edged_width, | ||
134 : | uint32_t edged_height, | ||
135 : | uint32_t width, | ||
136 : | h | 541 | uint32_t height) |
137 : | albeu | 315 | { |
138 : | const uint32_t edged_width2 = edged_width / 2; | ||
139 : | edgomez | 1128 | uint32_t width2; |
140 : | albeu | 315 | uint32_t i; |
141 : | uint8_t *dst; | ||
142 : | uint8_t *src; | ||
143 : | |||
144 : | |||
145 : | dst = image->y - (EDGE_SIZE + EDGE_SIZE * edged_width); | ||
146 : | src = image->y; | ||
147 : | |||
148 : | edgomez | 1128 | /* According to the Standard Clause 7.6.4, padding is done starting at 16 |
149 : | * pixel width and height multiples */ | ||
150 : | width = (width+15)&~15; | ||
151 : | height = (height+15)&~15; | ||
152 : | width2 = width/2; | ||
153 : | |||
154 : | albeu | 315 | for (i = 0; i < EDGE_SIZE; i++) { |
155 : | edgomez | 851 | memset(dst, *src, EDGE_SIZE); |
156 : | memcpy(dst + EDGE_SIZE, src, width); | ||
157 : | memset(dst + edged_width - EDGE_SIZE, *(src + width - 1), | ||
158 : | EDGE_SIZE); | ||
159 : | albeu | 315 | dst += edged_width; |
160 : | } | ||
161 : | |||
162 : | for (i = 0; i < height; i++) { | ||
163 : | memset(dst, *src, EDGE_SIZE); | ||
164 : | memset(dst + edged_width - EDGE_SIZE, src[width - 1], EDGE_SIZE); | ||
165 : | dst += edged_width; | ||
166 : | src += edged_width; | ||
167 : | } | ||
168 : | |||
169 : | src -= edged_width; | ||
170 : | for (i = 0; i < EDGE_SIZE; i++) { | ||
171 : | edgomez | 851 | memset(dst, *src, EDGE_SIZE); |
172 : | memcpy(dst + EDGE_SIZE, src, width); | ||
173 : | memset(dst + edged_width - EDGE_SIZE, *(src + width - 1), | ||
174 : | albeu | 315 | EDGE_SIZE); |
175 : | dst += edged_width; | ||
176 : | } | ||
177 : | |||
178 : | |||
179 : | edgomez | 1053 | /* U */ |
180 : | albeu | 315 | dst = image->u - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
181 : | src = image->u; | ||
182 : | |||
183 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
184 : | memset(dst, *src, EDGE_SIZE2); | ||
185 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
186 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
187 : | EDGE_SIZE2); | ||
188 : | dst += edged_width2; | ||
189 : | } | ||
190 : | |||
191 : | for (i = 0; i < height / 2; i++) { | ||
192 : | memset(dst, *src, EDGE_SIZE2); | ||
193 : | memset(dst + edged_width2 - EDGE_SIZE2, src[width2 - 1], EDGE_SIZE2); | ||
194 : | dst += edged_width2; | ||
195 : | src += edged_width2; | ||
196 : | } | ||
197 : | src -= edged_width2; | ||
198 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
199 : | memset(dst, *src, EDGE_SIZE2); | ||
200 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
201 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
202 : | EDGE_SIZE2); | ||
203 : | dst += edged_width2; | ||
204 : | } | ||
205 : | |||
206 : | |||
207 : | edgomez | 1053 | /* V */ |
208 : | albeu | 315 | dst = image->v - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
209 : | src = image->v; | ||
210 : | |||
211 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
212 : | memset(dst, *src, EDGE_SIZE2); | ||
213 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
214 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
215 : | EDGE_SIZE2); | ||
216 : | dst += edged_width2; | ||
217 : | } | ||
218 : | |||
219 : | for (i = 0; i < height / 2; i++) { | ||
220 : | memset(dst, *src, EDGE_SIZE2); | ||
221 : | memset(dst + edged_width2 - EDGE_SIZE2, src[width2 - 1], EDGE_SIZE2); | ||
222 : | dst += edged_width2; | ||
223 : | src += edged_width2; | ||
224 : | } | ||
225 : | src -= edged_width2; | ||
226 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
227 : | memset(dst, *src, EDGE_SIZE2); | ||
228 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
229 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
230 : | EDGE_SIZE2); | ||
231 : | dst += edged_width2; | ||
232 : | } | ||
233 : | } | ||
234 : | |||
235 : | edgomez | 1053 | /* bframe encoding requires image-based u,v interpolation */ |
236 : | albeu | 315 | void |
237 : | image_interpolate(const IMAGE * refn, | ||
238 : | IMAGE * refh, | ||
239 : | IMAGE * refv, | ||
240 : | IMAGE * refhv, | ||
241 : | uint32_t edged_width, | ||
242 : | uint32_t edged_height, | ||
243 : | edgomez | 851 | uint32_t quarterpel, |
244 : | albeu | 315 | uint32_t rounding) |
245 : | { | ||
246 : | edgomez | 1053 | const uint32_t offset = EDGE_SIZE2 * (edged_width + 1); /* we only interpolate half of the edge area */ |
247 : | albeu | 315 | const uint32_t stride_add = 7 * edged_width; |
248 : | edgomez | 1053 | #if 0 |
249 : | edgomez | 851 | const uint32_t edged_width2 = edged_width / 2; |
250 : | const uint32_t edged_height2 = edged_height / 2; | ||
251 : | const uint32_t offset2 = EDGE_SIZE2 * (edged_width2 + 1); | ||
252 : | const uint32_t stride_add2 = 7 * edged_width2; | ||
253 : | #endif | ||
254 : | albeu | 315 | uint8_t *n_ptr, *h_ptr, *v_ptr, *hv_ptr; |
255 : | uint32_t x, y; | ||
256 : | |||
257 : | |||
258 : | n_ptr = refn->y; | ||
259 : | h_ptr = refh->y; | ||
260 : | v_ptr = refv->y; | ||
261 : | |||
262 : | n_ptr -= offset; | ||
263 : | h_ptr -= offset; | ||
264 : | v_ptr -= offset; | ||
265 : | |||
266 : | edgomez | 1200 | /* Note we initialize the hv pointer later, as we can optimize code a bit |
267 : | * doing it down to up in quarterpel and up to down in halfpel */ | ||
268 : | edgomez | 851 | if(quarterpel) { |
269 : | edgomez | 1161 | |
270 : | edgomez | 851 | for (y = 0; y < (edged_height - EDGE_SIZE); y += 8) { |
271 : | for (x = 0; x < (edged_width - EDGE_SIZE); x += 8) { | ||
272 : | interpolate8x8_6tap_lowpass_h(h_ptr, n_ptr, edged_width, rounding); | ||
273 : | interpolate8x8_6tap_lowpass_v(v_ptr, n_ptr, edged_width, rounding); | ||
274 : | albeu | 315 | |
275 : | edgomez | 851 | n_ptr += 8; |
276 : | h_ptr += 8; | ||
277 : | v_ptr += 8; | ||
278 : | } | ||
279 : | edgomez | 1161 | |
280 : | edgomez | 851 | n_ptr += EDGE_SIZE; |
281 : | h_ptr += EDGE_SIZE; | ||
282 : | v_ptr += EDGE_SIZE; | ||
283 : | |||
284 : | h_ptr += stride_add; | ||
285 : | v_ptr += stride_add; | ||
286 : | n_ptr += stride_add; | ||
287 : | } | ||
288 : | |||
289 : | edgomez | 1200 | h_ptr = refh->y + (edged_height - EDGE_SIZE - EDGE_SIZE2)*edged_width - EDGE_SIZE2; |
290 : | hv_ptr = refhv->y + (edged_height - EDGE_SIZE - EDGE_SIZE2)*edged_width - EDGE_SIZE2; | ||
291 : | edgomez | 851 | |
292 : | for (y = 0; y < (edged_height - EDGE_SIZE); y = y + 8) { | ||
293 : | edgomez | 1200 | hv_ptr -= stride_add; |
294 : | h_ptr -= stride_add; | ||
295 : | hv_ptr -= EDGE_SIZE; | ||
296 : | h_ptr -= EDGE_SIZE; | ||
297 : | |||
298 : | edgomez | 851 | for (x = 0; x < (edged_width - EDGE_SIZE); x = x + 8) { |
299 : | edgomez | 1200 | hv_ptr -= 8; |
300 : | h_ptr -= 8; | ||
301 : | edgomez | 851 | interpolate8x8_6tap_lowpass_v(hv_ptr, h_ptr, edged_width, rounding); |
302 : | } | ||
303 : | edgomez | 1200 | } |
304 : | } else { | ||
305 : | edgomez | 851 | |
306 : | edgomez | 1200 | hv_ptr = refhv->y; |
307 : | hv_ptr -= offset; | ||
308 : | edgomez | 851 | |
309 : | for (y = 0; y < (edged_height - EDGE_SIZE); y += 8) { | ||
310 : | for (x = 0; x < (edged_width - EDGE_SIZE); x += 8) { | ||
311 : | interpolate8x8_halfpel_h(h_ptr, n_ptr, edged_width, rounding); | ||
312 : | interpolate8x8_halfpel_v(v_ptr, n_ptr, edged_width, rounding); | ||
313 : | interpolate8x8_halfpel_hv(hv_ptr, n_ptr, edged_width, rounding); | ||
314 : | |||
315 : | n_ptr += 8; | ||
316 : | h_ptr += 8; | ||
317 : | v_ptr += 8; | ||
318 : | hv_ptr += 8; | ||
319 : | } | ||
320 : | edgomez | 1161 | |
321 : | edgomez | 851 | h_ptr += EDGE_SIZE; |
322 : | v_ptr += EDGE_SIZE; | ||
323 : | hv_ptr += EDGE_SIZE; | ||
324 : | n_ptr += EDGE_SIZE; | ||
325 : | |||
326 : | h_ptr += stride_add; | ||
327 : | v_ptr += stride_add; | ||
328 : | hv_ptr += stride_add; | ||
329 : | n_ptr += stride_add; | ||
330 : | } | ||
331 : | } | ||
332 : | /* | ||
333 : | #ifdef BFRAMES | ||
334 : | n_ptr = refn->u; | ||
335 : | h_ptr = refh->u; | ||
336 : | v_ptr = refv->u; | ||
337 : | hv_ptr = refhv->u; | ||
338 : | |||
339 : | n_ptr -= offset2; | ||
340 : | h_ptr -= offset2; | ||
341 : | v_ptr -= offset2; | ||
342 : | hv_ptr -= offset2; | ||
343 : | |||
344 : | for (y = 0; y < edged_height2; y += 8) { | ||
345 : | for (x = 0; x < edged_width2; x += 8) { | ||
346 : | interpolate8x8_halfpel_h(h_ptr, n_ptr, edged_width2, rounding); | ||
347 : | interpolate8x8_halfpel_v(v_ptr, n_ptr, edged_width2, rounding); | ||
348 : | interpolate8x8_halfpel_hv(hv_ptr, n_ptr, edged_width2, rounding); | ||
349 : | |||
350 : | albeu | 315 | n_ptr += 8; |
351 : | h_ptr += 8; | ||
352 : | v_ptr += 8; | ||
353 : | hv_ptr += 8; | ||
354 : | } | ||
355 : | edgomez | 851 | h_ptr += stride_add2; |
356 : | v_ptr += stride_add2; | ||
357 : | hv_ptr += stride_add2; | ||
358 : | n_ptr += stride_add2; | ||
359 : | albeu | 315 | } |
360 : | |||
361 : | edgomez | 851 | n_ptr = refn->v; |
362 : | h_ptr = refh->v; | ||
363 : | v_ptr = refv->v; | ||
364 : | hv_ptr = refhv->v; | ||
365 : | |||
366 : | n_ptr -= offset2; | ||
367 : | h_ptr -= offset2; | ||
368 : | v_ptr -= offset2; | ||
369 : | hv_ptr -= offset2; | ||
370 : | |||
371 : | for (y = 0; y < edged_height2; y = y + 8) { | ||
372 : | for (x = 0; x < edged_width2; x = x + 8) { | ||
373 : | interpolate8x8_halfpel_h(h_ptr, n_ptr, edged_width2, rounding); | ||
374 : | interpolate8x8_halfpel_v(v_ptr, n_ptr, edged_width2, rounding); | ||
375 : | interpolate8x8_halfpel_hv(hv_ptr, n_ptr, edged_width2, rounding); | ||
376 : | |||
377 : | n_ptr += 8; | ||
378 : | h_ptr += 8; | ||
379 : | v_ptr += 8; | ||
380 : | hv_ptr += 8; | ||
381 : | } | ||
382 : | h_ptr += stride_add2; | ||
383 : | v_ptr += stride_add2; | ||
384 : | hv_ptr += stride_add2; | ||
385 : | n_ptr += stride_add2; | ||
386 : | } | ||
387 : | #endif | ||
388 : | */ | ||
389 : | albeu | 315 | /* |
390 : | interpolate_halfpel_h( | ||
391 : | refh->y - offset, | ||
392 : | edgomez | 1161 | refn->y - offset, |
393 : | albeu | 315 | edged_width, edged_height, |
394 : | rounding); | ||
395 : | |||
396 : | interpolate_halfpel_v( | ||
397 : | refv->y - offset, | ||
398 : | edgomez | 1161 | refn->y - offset, |
399 : | albeu | 315 | edged_width, edged_height, |
400 : | rounding); | ||
401 : | |||
402 : | interpolate_halfpel_hv( | ||
403 : | refhv->y - offset, | ||
404 : | refn->y - offset, | ||
405 : | edged_width, edged_height, | ||
406 : | rounding); | ||
407 : | */ | ||
408 : | |||
409 : | /* uv-image-based compensation | ||
410 : | offset = EDGE_SIZE2 * (edged_width / 2 + 1); | ||
411 : | |||
412 : | interpolate_halfpel_h( | ||
413 : | refh->u - offset, | ||
414 : | edgomez | 1161 | refn->u - offset, |
415 : | albeu | 315 | edged_width / 2, edged_height / 2, |
416 : | rounding); | ||
417 : | |||
418 : | interpolate_halfpel_v( | ||
419 : | refv->u - offset, | ||
420 : | edgomez | 1161 | refn->u - offset, |
421 : | albeu | 315 | edged_width / 2, edged_height / 2, |
422 : | rounding); | ||
423 : | |||
424 : | interpolate_halfpel_hv( | ||
425 : | refhv->u - offset, | ||
426 : | edgomez | 1161 | refn->u - offset, |
427 : | albeu | 315 | edged_width / 2, edged_height / 2, |
428 : | rounding); | ||
429 : | |||
430 : | |||
431 : | interpolate_halfpel_h( | ||
432 : | refh->v - offset, | ||
433 : | edgomez | 1161 | refn->v - offset, |
434 : | albeu | 315 | edged_width / 2, edged_height / 2, |
435 : | rounding); | ||
436 : | |||
437 : | interpolate_halfpel_v( | ||
438 : | refv->v - offset, | ||
439 : | edgomez | 1161 | refn->v - offset, |
440 : | albeu | 315 | edged_width / 2, edged_height / 2, |
441 : | rounding); | ||
442 : | |||
443 : | interpolate_halfpel_hv( | ||
444 : | refhv->v - offset, | ||
445 : | edgomez | 1161 | refn->v - offset, |
446 : | albeu | 315 | edged_width / 2, edged_height / 2, |
447 : | rounding); | ||
448 : | */ | ||
449 : | } | ||
450 : | |||
451 : | |||
452 : | edgomez | 851 | /* |
453 : | chroma optimize filter, invented by mf | ||
454 : | a chroma pixel is average from the surrounding pixels, when the | ||
455 : | correpsonding luma pixels are pure black or white. | ||
456 : | */ | ||
457 : | |||
458 : | void | ||
459 : | image_chroma_optimize(IMAGE * img, int width, int height, int edged_width) | ||
460 : | { | ||
461 : | int x,y; | ||
462 : | int pixels = 0; | ||
463 : | |||
464 : | for (y = 1; y < height/2 - 1; y++) | ||
465 : | for (x = 1; x < width/2 - 1; x++) | ||
466 : | { | ||
467 : | #define IS_PURE(a) ((a)<=16||(a)>=235) | ||
468 : | #define IMG_Y(Y,X) img->y[(Y)*edged_width + (X)] | ||
469 : | #define IMG_U(Y,X) img->u[(Y)*edged_width/2 + (X)] | ||
470 : | #define IMG_V(Y,X) img->v[(Y)*edged_width/2 + (X)] | ||
471 : | |||
472 : | edgomez | 1161 | if (IS_PURE(IMG_Y(y*2 ,x*2 )) && |
473 : | edgomez | 851 | IS_PURE(IMG_Y(y*2 ,x*2+1)) && |
474 : | edgomez | 1161 | IS_PURE(IMG_Y(y*2+1,x*2 )) && |
475 : | edgomez | 851 | IS_PURE(IMG_Y(y*2+1,x*2+1))) |
476 : | { | ||
477 : | IMG_U(y,x) = (IMG_U(y,x-1) + IMG_U(y-1, x) + IMG_U(y, x+1) + IMG_U(y+1, x)) / 4; | ||
478 : | IMG_V(y,x) = (IMG_V(y,x-1) + IMG_V(y-1, x) + IMG_V(y, x+1) + IMG_V(y+1, x)) / 4; | ||
479 : | pixels++; | ||
480 : | } | ||
481 : | |||
482 : | #undef IS_PURE | ||
483 : | #undef IMG_Y | ||
484 : | #undef IMG_U | ||
485 : | #undef IMG_V | ||
486 : | } | ||
487 : | edgomez | 1161 | |
488 : | edgomez | 1038 | DPRINTF(XVID_DEBUG_DEBUG,"chroma_optimized_pixels = %i/%i\n", pixels, width*height/4); |
489 : | edgomez | 851 | } |
490 : | |||
491 : | |||
492 : | |||
493 : | |||
494 : | |||
495 : | /* | ||
496 : | perform safe packed colorspace conversion, by splitting | ||
497 : | the image up into an optimized area (pixel width divisible by 16), | ||
498 : | and two unoptimized/plain-c areas (pixel width divisible by 2) | ||
499 : | */ | ||
500 : | |||
501 : | edgomez | 1161 | static void |
502 : | edgomez | 851 | safe_packed_conv(uint8_t * x_ptr, int x_stride, |
503 : | uint8_t * y_ptr, uint8_t * u_ptr, uint8_t * v_ptr, | ||
504 : | int y_stride, int uv_stride, | ||
505 : | int width, int height, int vflip, | ||
506 : | packedFunc * func_opt, packedFunc func_c, int size) | ||
507 : | { | ||
508 : | int width_opt, width_c; | ||
509 : | |||
510 : | if (func_opt != func_c && x_stride < size*((width+15)/16)*16) | ||
511 : | { | ||
512 : | width_opt = width & (~15); | ||
513 : | width_c = width - width_opt; | ||
514 : | } | ||
515 : | else | ||
516 : | { | ||
517 : | width_opt = width; | ||
518 : | width_c = 0; | ||
519 : | } | ||
520 : | |||
521 : | func_opt(x_ptr, x_stride, | ||
522 : | y_ptr, u_ptr, v_ptr, y_stride, uv_stride, | ||
523 : | width_opt, height, vflip); | ||
524 : | |||
525 : | if (width_c) | ||
526 : | { | ||
527 : | func_c(x_ptr + size*width_opt, x_stride, | ||
528 : | y_ptr + width_opt, u_ptr + width_opt/2, v_ptr + width_opt/2, | ||
529 : | y_stride, uv_stride, width_c, height, vflip); | ||
530 : | } | ||
531 : | } | ||
532 : | |||
533 : | |||
534 : | |||
535 : | albeu | 315 | int |
536 : | image_input(IMAGE * image, | ||
537 : | uint32_t width, | ||
538 : | int height, | ||
539 : | uint32_t edged_width, | ||
540 : | suxen_drol | 890 | uint8_t * src[4], |
541 : | int src_stride[4], | ||
542 : | edgomez | 851 | int csp, |
543 : | int interlacing) | ||
544 : | albeu | 315 | { |
545 : | edgomez | 851 | const int edged_width2 = edged_width/2; |
546 : | const int width2 = width/2; | ||
547 : | const int height2 = height/2; | ||
548 : | edgomez | 1053 | #if 0 |
549 : | const int height_signed = (csp & XVID_CSP_VFLIP) ? -height : height; | ||
550 : | #endif | ||
551 : | albeu | 315 | |
552 : | switch (csp & ~XVID_CSP_VFLIP) { | ||
553 : | case XVID_CSP_RGB555: | ||
554 : | edgomez | 851 | safe_packed_conv( |
555 : | edgomez | 1161 | src[0], src_stride[0], image->y, image->u, image->v, |
556 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
557 : | interlacing?rgb555i_to_yv12 :rgb555_to_yv12, | ||
558 : | interlacing?rgb555i_to_yv12_c:rgb555_to_yv12_c, 2); | ||
559 : | break; | ||
560 : | albeu | 315 | |
561 : | case XVID_CSP_RGB565: | ||
562 : | edgomez | 851 | safe_packed_conv( |
563 : | edgomez | 1161 | src[0], src_stride[0], image->y, image->u, image->v, |
564 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
565 : | interlacing?rgb565i_to_yv12 :rgb565_to_yv12, | ||
566 : | interlacing?rgb565i_to_yv12_c:rgb565_to_yv12_c, 2); | ||
567 : | break; | ||
568 : | albeu | 315 | |
569 : | |||
570 : | suxen_drol | 890 | case XVID_CSP_BGR: |
571 : | edgomez | 851 | safe_packed_conv( |
572 : | edgomez | 1161 | src[0], src_stride[0], image->y, image->u, image->v, |
573 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
574 : | interlacing?bgri_to_yv12 :bgr_to_yv12, | ||
575 : | interlacing?bgri_to_yv12_c:bgr_to_yv12_c, 3); | ||
576 : | break; | ||
577 : | albeu | 315 | |
578 : | suxen_drol | 890 | case XVID_CSP_BGRA: |
579 : | edgomez | 851 | safe_packed_conv( |
580 : | edgomez | 1161 | src[0], src_stride[0], image->y, image->u, image->v, |
581 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
582 : | interlacing?bgrai_to_yv12 :bgra_to_yv12, | ||
583 : | interlacing?bgrai_to_yv12_c:bgra_to_yv12_c, 4); | ||
584 : | break; | ||
585 : | albeu | 315 | |
586 : | edgomez | 851 | case XVID_CSP_ABGR : |
587 : | safe_packed_conv( | ||
588 : | edgomez | 1161 | src[0], src_stride[0], image->y, image->u, image->v, |
589 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
590 : | interlacing?abgri_to_yv12 :abgr_to_yv12, | ||
591 : | interlacing?abgri_to_yv12_c:abgr_to_yv12_c, 4); | ||
592 : | break; | ||
593 : | albeu | 315 | |
594 : | edgomez | 851 | case XVID_CSP_RGBA : |
595 : | safe_packed_conv( | ||
596 : | edgomez | 1161 | src[0], src_stride[0], image->y, image->u, image->v, |
597 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
598 : | interlacing?rgbai_to_yv12 :rgba_to_yv12, | ||
599 : | interlacing?rgbai_to_yv12_c:rgba_to_yv12_c, 4); | ||
600 : | break; | ||
601 : | albeu | 315 | |
602 : | case XVID_CSP_YUY2: | ||
603 : | edgomez | 851 | safe_packed_conv( |
604 : | edgomez | 1161 | src[0], src_stride[0], image->y, image->u, image->v, |
605 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
606 : | interlacing?yuyvi_to_yv12 :yuyv_to_yv12, | ||
607 : | interlacing?yuyvi_to_yv12_c:yuyv_to_yv12_c, 2); | ||
608 : | break; | ||
609 : | albeu | 315 | |
610 : | case XVID_CSP_YVYU: /* u/v swapped */ | ||
611 : | edgomez | 851 | safe_packed_conv( |
612 : | edgomez | 1161 | src[0], src_stride[0], image->y, image->v, image->y, |
613 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
614 : | interlacing?yuyvi_to_yv12 :yuyv_to_yv12, | ||
615 : | interlacing?yuyvi_to_yv12_c:yuyv_to_yv12_c, 2); | ||
616 : | break; | ||
617 : | albeu | 315 | |
618 : | case XVID_CSP_UYVY: | ||
619 : | edgomez | 851 | safe_packed_conv( |
620 : | edgomez | 1161 | src[0], src_stride[0], image->y, image->u, image->v, |
621 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
622 : | interlacing?uyvyi_to_yv12 :uyvy_to_yv12, | ||
623 : | interlacing?uyvyi_to_yv12_c:uyvy_to_yv12_c, 2); | ||
624 : | break; | ||
625 : | albeu | 315 | |
626 : | edgomez | 851 | case XVID_CSP_I420: |
627 : | yv12_to_yv12(image->y, image->u, image->v, edged_width, edged_width2, | ||
628 : | suxen_drol | 890 | src[0], src[0] + src_stride[0]*height, src[0] + src_stride[0]*height + (src_stride[0]/2)*height2, |
629 : | src_stride[0], src_stride[0]/2, width, height, (csp & XVID_CSP_VFLIP)); | ||
630 : | edgomez | 851 | break |
631 : | ; | ||
632 : | case XVID_CSP_YV12: /* u/v swapped */ | ||
633 : | yv12_to_yv12(image->y, image->v, image->u, edged_width, edged_width2, | ||
634 : | suxen_drol | 890 | src[0], src[0] + src_stride[0]*height, src[0] + src_stride[0]*height + (src_stride[0]/2)*height2, |
635 : | src_stride[0], src_stride[0]/2, width, height, (csp & XVID_CSP_VFLIP)); | ||
636 : | edgomez | 851 | break; |
637 : | |||
638 : | albeu | 315 | case XVID_CSP_USER: |
639 : | suxen_drol | 890 | /*XXX: support for different u & v strides */ |
640 : | yv12_to_yv12(image->y, image->u, image->v, edged_width, edged_width2, | ||
641 : | src[0], src[1], src[2], src_stride[0], src_stride[1], | ||
642 : | width, height, (csp & XVID_CSP_VFLIP)); | ||
643 : | edgomez | 851 | break; |
644 : | albeu | 315 | |
645 : | case XVID_CSP_NULL: | ||
646 : | break; | ||
647 : | |||
648 : | edgomez | 851 | default : |
649 : | return -1; | ||
650 : | albeu | 315 | } |
651 : | |||
652 : | edgomez | 851 | |
653 : | /* pad out image when the width and/or height is not a multiple of 16 */ | ||
654 : | |||
655 : | if (width & 15) | ||
656 : | { | ||
657 : | int i; | ||
658 : | int pad_width = 16 - (width&15); | ||
659 : | for (i = 0; i < height; i++) | ||
660 : | { | ||
661 : | edgomez | 1161 | memset(image->y + i*edged_width + width, |
662 : | edgomez | 851 | *(image->y + i*edged_width + width - 1), pad_width); |
663 : | } | ||
664 : | for (i = 0; i < height/2; i++) | ||
665 : | { | ||
666 : | edgomez | 1161 | memset(image->u + i*edged_width2 + width2, |
667 : | edgomez | 851 | *(image->u + i*edged_width2 + width2 - 1),pad_width/2); |
668 : | edgomez | 1161 | memset(image->v + i*edged_width2 + width2, |
669 : | edgomez | 851 | *(image->v + i*edged_width2 + width2 - 1),pad_width/2); |
670 : | } | ||
671 : | } | ||
672 : | |||
673 : | if (height & 15) | ||
674 : | { | ||
675 : | edgomez | 1161 | int pad_height = 16 - (height&15); |
676 : | edgomez | 851 | int length = ((width+15)/16)*16; |
677 : | int i; | ||
678 : | for (i = 0; i < pad_height; i++) | ||
679 : | { | ||
680 : | memcpy(image->y + (height+i)*edged_width, | ||
681 : | image->y + (height-1)*edged_width,length); | ||
682 : | } | ||
683 : | |||
684 : | for (i = 0; i < pad_height/2; i++) | ||
685 : | { | ||
686 : | memcpy(image->u + (height2+i)*edged_width2, | ||
687 : | image->u + (height2-1)*edged_width2,length/2); | ||
688 : | memcpy(image->v + (height2+i)*edged_width2, | ||
689 : | image->v + (height2-1)*edged_width2,length/2); | ||
690 : | } | ||
691 : | } | ||
692 : | |||
693 : | /* | ||
694 : | if (interlacing) | ||
695 : | image_printf(image, edged_width, height, 5,5, "[i]"); | ||
696 : | image_dump_yuvpgm(image, edged_width, ((width+15)/16)*16, ((height+15)/16)*16, "\\encode.pgm"); | ||
697 : | */ | ||
698 : | return 0; | ||
699 : | albeu | 315 | } |
700 : | |||
701 : | |||
702 : | |||
703 : | int | ||
704 : | image_output(IMAGE * image, | ||
705 : | uint32_t width, | ||
706 : | int height, | ||
707 : | uint32_t edged_width, | ||
708 : | suxen_drol | 890 | uint8_t * dst[4], |
709 : | uint32_t dst_stride[4], | ||
710 : | edgomez | 851 | int csp, |
711 : | int interlacing) | ||
712 : | albeu | 315 | { |
713 : | edgomez | 851 | const int edged_width2 = edged_width/2; |
714 : | int height2 = height/2; | ||
715 : | |||
716 : | /* | ||
717 : | if (interlacing) | ||
718 : | image_printf(image, edged_width, height, 5,100, "[i]=%i,%i",width,height); | ||
719 : | image_dump_yuvpgm(image, edged_width, width, height, "\\decode.pgm"); | ||
720 : | */ | ||
721 : | |||
722 : | albeu | 315 | switch (csp & ~XVID_CSP_VFLIP) { |
723 : | case XVID_CSP_RGB555: | ||
724 : | edgomez | 851 | safe_packed_conv( |
725 : | suxen_drol | 890 | dst[0], dst_stride[0], image->y, image->u, image->v, |
726 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
727 : | interlacing?yv12_to_rgb555i :yv12_to_rgb555, | ||
728 : | interlacing?yv12_to_rgb555i_c:yv12_to_rgb555_c, 2); | ||
729 : | albeu | 315 | return 0; |
730 : | |||
731 : | case XVID_CSP_RGB565: | ||
732 : | edgomez | 851 | safe_packed_conv( |
733 : | suxen_drol | 890 | dst[0], dst_stride[0], image->y, image->u, image->v, |
734 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
735 : | interlacing?yv12_to_rgb565i :yv12_to_rgb565, | ||
736 : | interlacing?yv12_to_rgb565i_c:yv12_to_rgb565_c, 2); | ||
737 : | albeu | 315 | return 0; |
738 : | |||
739 : | suxen_drol | 890 | case XVID_CSP_BGR: |
740 : | edgomez | 851 | safe_packed_conv( |
741 : | suxen_drol | 890 | dst[0], dst_stride[0], image->y, image->u, image->v, |
742 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
743 : | interlacing?yv12_to_bgri :yv12_to_bgr, | ||
744 : | interlacing?yv12_to_bgri_c:yv12_to_bgr_c, 3); | ||
745 : | albeu | 315 | return 0; |
746 : | |||
747 : | suxen_drol | 890 | case XVID_CSP_BGRA: |
748 : | edgomez | 851 | safe_packed_conv( |
749 : | suxen_drol | 890 | dst[0], dst_stride[0], image->y, image->u, image->v, |
750 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
751 : | interlacing?yv12_to_bgrai :yv12_to_bgra, | ||
752 : | interlacing?yv12_to_bgrai_c:yv12_to_bgra_c, 4); | ||
753 : | albeu | 315 | return 0; |
754 : | |||
755 : | edgomez | 851 | case XVID_CSP_ABGR: |
756 : | safe_packed_conv( | ||
757 : | suxen_drol | 890 | dst[0], dst_stride[0], image->y, image->u, image->v, |
758 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
759 : | interlacing?yv12_to_abgri :yv12_to_abgr, | ||
760 : | interlacing?yv12_to_abgri_c:yv12_to_abgr_c, 4); | ||
761 : | albeu | 315 | return 0; |
762 : | |||
763 : | edgomez | 851 | case XVID_CSP_RGBA: |
764 : | safe_packed_conv( | ||
765 : | suxen_drol | 890 | dst[0], dst_stride[0], image->y, image->u, image->v, |
766 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
767 : | interlacing?yv12_to_rgbai :yv12_to_rgba, | ||
768 : | interlacing?yv12_to_rgbai_c:yv12_to_rgba_c, 4); | ||
769 : | albeu | 315 | return 0; |
770 : | |||
771 : | case XVID_CSP_YUY2: | ||
772 : | edgomez | 851 | safe_packed_conv( |
773 : | suxen_drol | 890 | dst[0], dst_stride[0], image->y, image->u, image->v, |
774 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
775 : | interlacing?yv12_to_yuyvi :yv12_to_yuyv, | ||
776 : | interlacing?yv12_to_yuyvi_c:yv12_to_yuyv_c, 2); | ||
777 : | albeu | 315 | return 0; |
778 : | |||
779 : | edgomez | 1053 | case XVID_CSP_YVYU: /* u,v swapped */ |
780 : | edgomez | 851 | safe_packed_conv( |
781 : | suxen_drol | 890 | dst[0], dst_stride[0], image->y, image->v, image->u, |
782 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
783 : | interlacing?yv12_to_yuyvi :yv12_to_yuyv, | ||
784 : | interlacing?yv12_to_yuyvi_c:yv12_to_yuyv_c, 2); | ||
785 : | albeu | 315 | return 0; |
786 : | |||
787 : | case XVID_CSP_UYVY: | ||
788 : | edgomez | 851 | safe_packed_conv( |
789 : | suxen_drol | 890 | dst[0], dst_stride[0], image->y, image->u, image->v, |
790 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
791 : | interlacing?yv12_to_uyvyi :yv12_to_uyvy, | ||
792 : | interlacing?yv12_to_uyvyi_c:yv12_to_uyvy_c, 2); | ||
793 : | albeu | 315 | return 0; |
794 : | |||
795 : | edgomez | 851 | case XVID_CSP_I420: |
796 : | suxen_drol | 890 | yv12_to_yv12(dst[0], dst[0] + dst_stride[0]*height, dst[0] + dst_stride[0]*height + (dst_stride[0]/2)*height2, |
797 : | dst_stride[0], dst_stride[0]/2, | ||
798 : | edgomez | 851 | image->y, image->u, image->v, edged_width, edged_width2, |
799 : | width, height, (csp & XVID_CSP_VFLIP)); | ||
800 : | return 0; | ||
801 : | |||
802 : | edgomez | 1053 | case XVID_CSP_YV12: /* u,v swapped */ |
803 : | suxen_drol | 890 | yv12_to_yv12(dst[0], dst[0] + dst_stride[0]*height, dst[0] + dst_stride[0]*height + (dst_stride[0]/2)*height2, |
804 : | dst_stride[0], dst_stride[0]/2, | ||
805 : | edgomez | 851 | image->y, image->v, image->u, edged_width, edged_width2, |
806 : | width, height, (csp & XVID_CSP_VFLIP)); | ||
807 : | return 0; | ||
808 : | |||
809 : | edgomez | 1053 | case XVID_CSP_USER : /* u,v swapped */ |
810 : | suxen_drol | 890 | yv12_to_yv12(dst[0], dst[1], dst[2], |
811 : | dst_stride[0], dst_stride[1], /* v: dst_stride[2] */ | ||
812 : | image->y, image->v, image->u, edged_width, edged_width2, | ||
813 : | width, height, (csp & XVID_CSP_VFLIP)); | ||
814 : | albeu | 315 | return 0; |
815 : | |||
816 : | suxen_drol | 890 | case XVID_CSP_INTERNAL : |
817 : | dst[0] = image->y; | ||
818 : | dst[1] = image->u; | ||
819 : | dst[2] = image->v; | ||
820 : | dst_stride[0] = edged_width; | ||
821 : | dst_stride[1] = edged_width/2; | ||
822 : | dst_stride[2] = edged_width/2; | ||
823 : | return 0; | ||
824 : | |||
825 : | albeu | 315 | case XVID_CSP_NULL: |
826 : | suxen_drol | 890 | case XVID_CSP_SLICE: |
827 : | albeu | 315 | return 0; |
828 : | |||
829 : | } | ||
830 : | |||
831 : | return -1; | ||
832 : | } | ||
833 : | |||
834 : | float | ||
835 : | image_psnr(IMAGE * orig_image, | ||
836 : | IMAGE * recon_image, | ||
837 : | uint16_t stride, | ||
838 : | uint16_t width, | ||
839 : | uint16_t height) | ||
840 : | { | ||
841 : | int32_t diff, x, y, quad = 0; | ||
842 : | uint8_t *orig = orig_image->y; | ||
843 : | uint8_t *recon = recon_image->y; | ||
844 : | float psnr_y; | ||
845 : | |||
846 : | for (y = 0; y < height; y++) { | ||
847 : | for (x = 0; x < width; x++) { | ||
848 : | diff = *(orig + x) - *(recon + x); | ||
849 : | quad += diff * diff; | ||
850 : | } | ||
851 : | orig += stride; | ||
852 : | recon += stride; | ||
853 : | } | ||
854 : | |||
855 : | psnr_y = (float) quad / (float) (width * height); | ||
856 : | |||
857 : | if (psnr_y) { | ||
858 : | psnr_y = (float) (255 * 255) / psnr_y; | ||
859 : | psnr_y = 10 * (float) log10(psnr_y); | ||
860 : | } else | ||
861 : | psnr_y = (float) 99.99; | ||
862 : | |||
863 : | return psnr_y; | ||
864 : | } | ||
865 : | |||
866 : | |||
867 : | edgomez | 851 | float sse_to_PSNR(long sse, int pixels) |
868 : | { | ||
869 : | if (sse==0) | ||
870 : | return 99.99F; | ||
871 : | |||
872 : | edgomez | 1053 | return 48.131F - 10*(float)log10((float)sse/(float)(pixels)); /* log10(255*255)=4.8131 */ |
873 : | edgomez | 851 | |
874 : | } | ||
875 : | |||
876 : | long plane_sse(uint8_t * orig, | ||
877 : | uint8_t * recon, | ||
878 : | uint16_t stride, | ||
879 : | uint16_t width, | ||
880 : | uint16_t height) | ||
881 : | { | ||
882 : | int diff, x, y; | ||
883 : | long sse=0; | ||
884 : | |||
885 : | for (y = 0; y < height; y++) { | ||
886 : | for (x = 0; x < width; x++) { | ||
887 : | diff = *(orig + x) - *(recon + x); | ||
888 : | sse += diff * diff; | ||
889 : | } | ||
890 : | orig += stride; | ||
891 : | recon += stride; | ||
892 : | } | ||
893 : | return sse; | ||
894 : | } | ||
895 : | |||
896 : | edgomez | 1053 | #if 0 |
897 : | edgomez | 851 | |
898 : | albeu | 315 | #include <stdio.h> |
899 : | #include <string.h> | ||
900 : | |||
901 : | int image_dump_pgm(uint8_t * bmp, uint32_t width, uint32_t height, char * filename) | ||
902 : | { | ||
903 : | FILE * f; | ||
904 : | char hdr[1024]; | ||
905 : | edgomez | 1161 | |
906 : | albeu | 315 | f = fopen(filename, "wb"); |
907 : | if ( f == NULL) | ||
908 : | { | ||
909 : | return -1; | ||
910 : | } | ||
911 : | sprintf(hdr, "P5\n#xvid\n%i %i\n255\n", width, height); | ||
912 : | fwrite(hdr, strlen(hdr), 1, f); | ||
913 : | fwrite(bmp, width, height, f); | ||
914 : | fclose(f); | ||
915 : | |||
916 : | return 0; | ||
917 : | } | ||
918 : | |||
919 : | |||
920 : | edgomez | 1053 | /* dump image+edges to yuv pgm files */ |
921 : | albeu | 315 | |
922 : | int image_dump(IMAGE * image, uint32_t edged_width, uint32_t edged_height, char * path, int number) | ||
923 : | { | ||
924 : | char filename[1024]; | ||
925 : | |||
926 : | sprintf(filename, "%s_%i_%c.pgm", path, number, 'y'); | ||
927 : | image_dump_pgm( | ||
928 : | image->y - (EDGE_SIZE * edged_width + EDGE_SIZE), | ||
929 : | edged_width, edged_height, filename); | ||
930 : | |||
931 : | sprintf(filename, "%s_%i_%c.pgm", path, number, 'u'); | ||
932 : | image_dump_pgm( | ||
933 : | image->u - (EDGE_SIZE2 * edged_width / 2 + EDGE_SIZE2), | ||
934 : | edged_width / 2, edged_height / 2, filename); | ||
935 : | |||
936 : | sprintf(filename, "%s_%i_%c.pgm", path, number, 'v'); | ||
937 : | image_dump_pgm( | ||
938 : | image->v - (EDGE_SIZE2 * edged_width / 2 + EDGE_SIZE2), | ||
939 : | edged_width / 2, edged_height / 2, filename); | ||
940 : | |||
941 : | return 0; | ||
942 : | } | ||
943 : | edgomez | 1053 | #endif |
944 : | albeu | 315 | |
945 : | |||
946 : | |||
947 : | /* dump image to yuvpgm file */ | ||
948 : | |||
949 : | #include <stdio.h> | ||
950 : | |||
951 : | int | ||
952 : | image_dump_yuvpgm(const IMAGE * image, | ||
953 : | const uint32_t edged_width, | ||
954 : | const uint32_t width, | ||
955 : | const uint32_t height, | ||
956 : | char *filename) | ||
957 : | { | ||
958 : | FILE *f; | ||
959 : | char hdr[1024]; | ||
960 : | uint32_t i; | ||
961 : | uint8_t *bmp1; | ||
962 : | uint8_t *bmp2; | ||
963 : | |||
964 : | |||
965 : | f = fopen(filename, "wb"); | ||
966 : | if (f == NULL) { | ||
967 : | return -1; | ||
968 : | } | ||
969 : | sprintf(hdr, "P5\n#xvid\n%i %i\n255\n", width, (3 * height) / 2); | ||
970 : | fwrite(hdr, strlen(hdr), 1, f); | ||
971 : | |||
972 : | bmp1 = image->y; | ||
973 : | for (i = 0; i < height; i++) { | ||
974 : | fwrite(bmp1, width, 1, f); | ||
975 : | bmp1 += edged_width; | ||
976 : | } | ||
977 : | |||
978 : | bmp1 = image->u; | ||
979 : | bmp2 = image->v; | ||
980 : | for (i = 0; i < height / 2; i++) { | ||
981 : | fwrite(bmp1, width / 2, 1, f); | ||
982 : | fwrite(bmp2, width / 2, 1, f); | ||
983 : | bmp1 += edged_width / 2; | ||
984 : | bmp2 += edged_width / 2; | ||
985 : | } | ||
986 : | |||
987 : | fclose(f); | ||
988 : | return 0; | ||
989 : | } | ||
990 : | |||
991 : | |||
992 : | float | ||
993 : | image_mad(const IMAGE * img1, | ||
994 : | const IMAGE * img2, | ||
995 : | uint32_t stride, | ||
996 : | uint32_t width, | ||
997 : | uint32_t height) | ||
998 : | { | ||
999 : | const uint32_t stride2 = stride / 2; | ||
1000 : | const uint32_t width2 = width / 2; | ||
1001 : | const uint32_t height2 = height / 2; | ||
1002 : | |||
1003 : | uint32_t x, y; | ||
1004 : | uint32_t sum = 0; | ||
1005 : | |||
1006 : | for (y = 0; y < height; y++) | ||
1007 : | for (x = 0; x < width; x++) | ||
1008 : | edgomez | 982 | sum += abs(img1->y[x + y * stride] - img2->y[x + y * stride]); |
1009 : | albeu | 315 | |
1010 : | for (y = 0; y < height2; y++) | ||
1011 : | for (x = 0; x < width2; x++) | ||
1012 : | edgomez | 982 | sum += abs(img1->u[x + y * stride2] - img2->u[x + y * stride2]); |
1013 : | albeu | 315 | |
1014 : | for (y = 0; y < height2; y++) | ||
1015 : | for (x = 0; x < width2; x++) | ||
1016 : | edgomez | 982 | sum += abs(img1->v[x + y * stride2] - img2->v[x + y * stride2]); |
1017 : | albeu | 315 | |
1018 : | return (float) sum / (width * height * 3 / 2); | ||
1019 : | } | ||
1020 : | |||
1021 : | void | ||
1022 : | suxen_drol | 890 | output_slice(IMAGE * cur, int std, int width, xvid_image_t* out_frm, int mbx, int mby,int mbl) { |
1023 : | albeu | 315 | uint8_t *dY,*dU,*dV,*sY,*sU,*sV; |
1024 : | int std2 = std >> 1; | ||
1025 : | int w = mbl << 4, w2,i; | ||
1026 : | |||
1027 : | if(w > width) | ||
1028 : | w = width; | ||
1029 : | w2 = w >> 1; | ||
1030 : | suxen_drol | 323 | |
1031 : | suxen_drol | 890 | dY = (uint8_t*)out_frm->plane[0] + (mby << 4) * out_frm->stride[0] + (mbx << 4); |
1032 : | dU = (uint8_t*)out_frm->plane[1] + (mby << 3) * out_frm->stride[1] + (mbx << 3); | ||
1033 : | dV = (uint8_t*)out_frm->plane[2] + (mby << 3) * out_frm->stride[2] + (mbx << 3); | ||
1034 : | albeu | 315 | sY = cur->y + (mby << 4) * std + (mbx << 4); |
1035 : | sU = cur->u + (mby << 3) * std2 + (mbx << 3); | ||
1036 : | sV = cur->v + (mby << 3) * std2 + (mbx << 3); | ||
1037 : | |||
1038 : | for(i = 0 ; i < 16 ; i++) { | ||
1039 : | memcpy(dY,sY,w); | ||
1040 : | suxen_drol | 890 | dY += out_frm->stride[0]; |
1041 : | suxen_drol | 323 | sY += std; |
1042 : | } | ||
1043 : | albeu | 315 | for(i = 0 ; i < 8 ; i++) { |
1044 : | memcpy(dU,sU,w2); | ||
1045 : | suxen_drol | 890 | dU += out_frm->stride[1]; |
1046 : | albeu | 315 | sU += std2; |
1047 : | } | ||
1048 : | for(i = 0 ; i < 8 ; i++) { | ||
1049 : | memcpy(dV,sV,w2); | ||
1050 : | suxen_drol | 890 | dV += out_frm->stride[2]; |
1051 : | albeu | 315 | sV += std2; |
1052 : | } | ||
1053 : | } | ||
1054 : | edgomez | 851 | |
1055 : | |||
1056 : | void | ||
1057 : | image_clear(IMAGE * img, int width, int height, int edged_width, | ||
1058 : | int y, int u, int v) | ||
1059 : | { | ||
1060 : | uint8_t * p; | ||
1061 : | int i; | ||
1062 : | |||
1063 : | p = img->y; | ||
1064 : | for (i = 0; i < height; i++) { | ||
1065 : | memset(p, y, width); | ||
1066 : | p += edged_width; | ||
1067 : | } | ||
1068 : | |||
1069 : | p = img->u; | ||
1070 : | for (i = 0; i < height/2; i++) { | ||
1071 : | memset(p, u, width/2); | ||
1072 : | p += edged_width/2; | ||
1073 : | } | ||
1074 : | |||
1075 : | p = img->v; | ||
1076 : | for (i = 0; i < height/2; i++) { | ||
1077 : | memset(p, v, width/2); | ||
1078 : | p += edged_width/2; | ||
1079 : | } | ||
1080 : | } | ||
1081 : | |||
1082 : | |||
1083 : | edgomez | 1161 | /* reduced resolution deblocking filter |
1084 : | edgomez | 851 | block = block size (16=rrv, 8=full resolution) |
1085 : | flags = XVID_DEC_YDEBLOCK|XVID_DEC_UVDEBLOCK | ||
1086 : | */ | ||
1087 : | void | ||
1088 : | image_deblock_rrv(IMAGE * img, int edged_width, | ||
1089 : | const MACROBLOCK * mbs, int mb_width, int mb_height, int mb_stride, | ||
1090 : | int block, int flags) | ||
1091 : | { | ||
1092 : | const int edged_width2 = edged_width /2; | ||
1093 : | const int nblocks = block / 8; /* skals code uses 8pixel block uints */ | ||
1094 : | int i,j; | ||
1095 : | |||
1096 : | /* luma: j,i in block units */ | ||
1097 : | suxen_drol | 890 | |
1098 : | edgomez | 851 | for (j = 1; j < mb_height*2; j++) /* horizontal deblocking */ |
1099 : | for (i = 0; i < mb_width*2; i++) | ||
1100 : | { | ||
1101 : | if (mbs[(j-1)/2*mb_stride + (i/2)].mode != MODE_NOT_CODED || | ||
1102 : | mbs[(j+0)/2*mb_stride + (i/2)].mode != MODE_NOT_CODED) | ||
1103 : | { | ||
1104 : | hfilter_31(img->y + (j*block - 1)*edged_width + i*block, | ||
1105 : | img->y + (j*block + 0)*edged_width + i*block, nblocks); | ||
1106 : | } | ||
1107 : | } | ||
1108 : | |||
1109 : | for (j = 0; j < mb_height*2; j++) /* vertical deblocking */ | ||
1110 : | for (i = 1; i < mb_width*2; i++) | ||
1111 : | { | ||
1112 : | if (mbs[(j/2)*mb_stride + (i-1)/2].mode != MODE_NOT_CODED || | ||
1113 : | mbs[(j/2)*mb_stride + (i+0)/2].mode != MODE_NOT_CODED) | ||
1114 : | { | ||
1115 : | vfilter_31(img->y + (j*block)*edged_width + i*block - 1, | ||
1116 : | img->y + (j*block)*edged_width + i*block + 0, | ||
1117 : | edged_width, nblocks); | ||
1118 : | } | ||
1119 : | } | ||
1120 : | |||
1121 : | |||
1122 : | suxen_drol | 890 | |
1123 : | edgomez | 851 | /* chroma */ |
1124 : | suxen_drol | 890 | |
1125 : | edgomez | 851 | for (j = 1; j < mb_height; j++) /* horizontal deblocking */ |
1126 : | for (i = 0; i < mb_width; i++) | ||
1127 : | { | ||
1128 : | edgomez | 1161 | if (mbs[(j-1)*mb_stride + i].mode != MODE_NOT_CODED || |
1129 : | edgomez | 851 | mbs[(j+0)*mb_stride + i].mode != MODE_NOT_CODED) |
1130 : | { | ||
1131 : | hfilter_31(img->u + (j*block - 1)*edged_width2 + i*block, | ||
1132 : | img->u + (j*block + 0)*edged_width2 + i*block, nblocks); | ||
1133 : | hfilter_31(img->v + (j*block - 1)*edged_width2 + i*block, | ||
1134 : | img->v + (j*block + 0)*edged_width2 + i*block, nblocks); | ||
1135 : | } | ||
1136 : | } | ||
1137 : | |||
1138 : | edgomez | 1161 | for (j = 0; j < mb_height; j++) /* vertical deblocking */ |
1139 : | edgomez | 851 | for (i = 1; i < mb_width; i++) |
1140 : | { | ||
1141 : | if (mbs[j*mb_stride + i - 1].mode != MODE_NOT_CODED || | ||
1142 : | edgomez | 1161 | mbs[j*mb_stride + i + 0].mode != MODE_NOT_CODED) |
1143 : | edgomez | 851 | { |
1144 : | vfilter_31(img->u + (j*block)*edged_width2 + i*block - 1, | ||
1145 : | img->u + (j*block)*edged_width2 + i*block + 0, | ||
1146 : | edged_width2, nblocks); | ||
1147 : | vfilter_31(img->v + (j*block)*edged_width2 + i*block - 1, | ||
1148 : | img->v + (j*block)*edged_width2 + i*block + 0, | ||
1149 : | edged_width2, nblocks); | ||
1150 : | } | ||
1151 : | } | ||
1152 : | |||
1153 : | suxen_drol | 890 | |
1154 : | edgomez | 851 | } |
1155 : |
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