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1 : | edgomez | 851 | /************************************************************************** |
2 : | albeu | 315 | * |
3 : | edgomez | 1382 | * XVID MPEG-4 VIDEO CODEC |
4 : | * - Image management functions - | ||
5 : | albeu | 315 | * |
6 : | suxen_drol | 1397 | * Copyright(C) 2001-2004 Peter Ross <pross@xvid.org> |
7 : | albeu | 315 | * |
8 : | edgomez | 1382 | * 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 | 1382 | * 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 | 1382 | * 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 : | syskin | 1666 | * $Id: image.c,v 1.35 2005-12-17 13:57:15 syskin Exp $ |
23 : | albeu | 315 | * |
24 : | edgomez | 1382 | ****************************************************************************/ |
25 : | albeu | 315 | |
26 : | #include <stdlib.h> | ||
27 : | edgomez | 1382 | #include <string.h> /* memcpy, memset */ |
28 : | albeu | 315 | #include <math.h> |
29 : | #include "../portab.h" | ||
30 : | edgomez | 1382 | #include "../global.h" |
31 : | #include "../xvid.h" | ||
32 : | albeu | 315 | #include "image.h" |
33 : | #include "colorspace.h" | ||
34 : | #include "interpolate8x8.h" | ||
35 : | #include "../utils/mem_align.h" | ||
36 : | edgomez | 1424 | #include "../motion/sad.h" |
37 : | albeu | 315 | |
38 : | edgomez | 1382 | #include "font.h" |
39 : | edgomez | 851 | |
40 : | albeu | 315 | #define SAFETY 64 |
41 : | #define EDGE_SIZE2 (EDGE_SIZE/2) | ||
42 : | |||
43 : | |||
44 : | int32_t | ||
45 : | image_create(IMAGE * image, | ||
46 : | uint32_t edged_width, | ||
47 : | uint32_t edged_height) | ||
48 : | { | ||
49 : | const uint32_t edged_width2 = edged_width / 2; | ||
50 : | const uint32_t edged_height2 = edged_height / 2; | ||
51 : | |||
52 : | image->y = | ||
53 : | xvid_malloc(edged_width * (edged_height + 1) + SAFETY, CACHE_LINE); | ||
54 : | if (image->y == NULL) { | ||
55 : | return -1; | ||
56 : | } | ||
57 : | edgomez | 1382 | memset(image->y, 0, edged_width * (edged_height + 1) + SAFETY); |
58 : | albeu | 315 | |
59 : | image->u = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE); | ||
60 : | if (image->u == NULL) { | ||
61 : | xvid_free(image->y); | ||
62 : | edgomez | 1382 | image->y = NULL; |
63 : | albeu | 315 | return -1; |
64 : | } | ||
65 : | edgomez | 1382 | memset(image->u, 0, edged_width2 * edged_height2 + SAFETY); |
66 : | |||
67 : | albeu | 315 | image->v = xvid_malloc(edged_width2 * edged_height2 + SAFETY, CACHE_LINE); |
68 : | if (image->v == NULL) { | ||
69 : | xvid_free(image->u); | ||
70 : | edgomez | 1382 | image->u = NULL; |
71 : | albeu | 315 | xvid_free(image->y); |
72 : | edgomez | 1382 | image->y = NULL; |
73 : | albeu | 315 | return -1; |
74 : | } | ||
75 : | edgomez | 1382 | memset(image->v, 0, edged_width2 * edged_height2 + SAFETY); |
76 : | albeu | 315 | |
77 : | image->y += EDGE_SIZE * edged_width + EDGE_SIZE; | ||
78 : | image->u += EDGE_SIZE2 * edged_width2 + EDGE_SIZE2; | ||
79 : | image->v += EDGE_SIZE2 * edged_width2 + EDGE_SIZE2; | ||
80 : | |||
81 : | return 0; | ||
82 : | } | ||
83 : | |||
84 : | |||
85 : | |||
86 : | void | ||
87 : | image_destroy(IMAGE * image, | ||
88 : | uint32_t edged_width, | ||
89 : | uint32_t edged_height) | ||
90 : | { | ||
91 : | const uint32_t edged_width2 = edged_width / 2; | ||
92 : | |||
93 : | if (image->y) { | ||
94 : | xvid_free(image->y - (EDGE_SIZE * edged_width + EDGE_SIZE)); | ||
95 : | edgomez | 1382 | image->y = NULL; |
96 : | albeu | 315 | } |
97 : | if (image->u) { | ||
98 : | xvid_free(image->u - (EDGE_SIZE2 * edged_width2 + EDGE_SIZE2)); | ||
99 : | edgomez | 1382 | image->u = NULL; |
100 : | albeu | 315 | } |
101 : | if (image->v) { | ||
102 : | xvid_free(image->v - (EDGE_SIZE2 * edged_width2 + EDGE_SIZE2)); | ||
103 : | edgomez | 1382 | image->v = NULL; |
104 : | albeu | 315 | } |
105 : | } | ||
106 : | |||
107 : | |||
108 : | void | ||
109 : | image_swap(IMAGE * image1, | ||
110 : | IMAGE * image2) | ||
111 : | { | ||
112 : | edgomez | 1382 | SWAP(uint8_t*, image1->y, image2->y); |
113 : | SWAP(uint8_t*, image1->u, image2->u); | ||
114 : | SWAP(uint8_t*, image1->v, image2->v); | ||
115 : | albeu | 315 | } |
116 : | |||
117 : | |||
118 : | void | ||
119 : | image_copy(IMAGE * image1, | ||
120 : | IMAGE * image2, | ||
121 : | uint32_t edged_width, | ||
122 : | uint32_t height) | ||
123 : | { | ||
124 : | memcpy(image1->y, image2->y, edged_width * height); | ||
125 : | memcpy(image1->u, image2->u, edged_width * height / 4); | ||
126 : | memcpy(image1->v, image2->v, edged_width * height / 4); | ||
127 : | } | ||
128 : | |||
129 : | edgomez | 1382 | /* setedges bug was fixed in this BS version */ |
130 : | #define SETEDGES_BUG_BEFORE 18 | ||
131 : | albeu | 315 | |
132 : | void | ||
133 : | image_setedges(IMAGE * image, | ||
134 : | uint32_t edged_width, | ||
135 : | uint32_t edged_height, | ||
136 : | uint32_t width, | ||
137 : | edgomez | 1382 | uint32_t height, |
138 : | int bs_version) | ||
139 : | albeu | 315 | { |
140 : | const uint32_t edged_width2 = edged_width / 2; | ||
141 : | edgomez | 1382 | uint32_t width2; |
142 : | albeu | 315 | uint32_t i; |
143 : | uint8_t *dst; | ||
144 : | uint8_t *src; | ||
145 : | |||
146 : | dst = image->y - (EDGE_SIZE + EDGE_SIZE * edged_width); | ||
147 : | src = image->y; | ||
148 : | |||
149 : | edgomez | 1382 | /* According to the Standard Clause 7.6.4, padding is done starting at 16 |
150 : | * pixel width and height multiples. This was not respected in old xvids */ | ||
151 : | if (bs_version == 0 || bs_version >= SETEDGES_BUG_BEFORE) { | ||
152 : | width = (width+15)&~15; | ||
153 : | height = (height+15)&~15; | ||
154 : | } | ||
155 : | |||
156 : | width2 = width/2; | ||
157 : | |||
158 : | albeu | 315 | for (i = 0; i < EDGE_SIZE; i++) { |
159 : | edgomez | 851 | memset(dst, *src, EDGE_SIZE); |
160 : | memcpy(dst + EDGE_SIZE, src, width); | ||
161 : | memset(dst + edged_width - EDGE_SIZE, *(src + width - 1), | ||
162 : | EDGE_SIZE); | ||
163 : | albeu | 315 | dst += edged_width; |
164 : | } | ||
165 : | |||
166 : | for (i = 0; i < height; i++) { | ||
167 : | memset(dst, *src, EDGE_SIZE); | ||
168 : | memset(dst + edged_width - EDGE_SIZE, src[width - 1], EDGE_SIZE); | ||
169 : | dst += edged_width; | ||
170 : | src += edged_width; | ||
171 : | } | ||
172 : | |||
173 : | src -= edged_width; | ||
174 : | for (i = 0; i < EDGE_SIZE; i++) { | ||
175 : | edgomez | 851 | memset(dst, *src, EDGE_SIZE); |
176 : | memcpy(dst + EDGE_SIZE, src, width); | ||
177 : | memset(dst + edged_width - EDGE_SIZE, *(src + width - 1), | ||
178 : | albeu | 315 | EDGE_SIZE); |
179 : | dst += edged_width; | ||
180 : | } | ||
181 : | |||
182 : | |||
183 : | edgomez | 1382 | /* U */ |
184 : | albeu | 315 | dst = image->u - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
185 : | src = image->u; | ||
186 : | |||
187 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
188 : | memset(dst, *src, EDGE_SIZE2); | ||
189 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
190 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
191 : | EDGE_SIZE2); | ||
192 : | dst += edged_width2; | ||
193 : | } | ||
194 : | |||
195 : | for (i = 0; i < height / 2; i++) { | ||
196 : | memset(dst, *src, EDGE_SIZE2); | ||
197 : | memset(dst + edged_width2 - EDGE_SIZE2, src[width2 - 1], EDGE_SIZE2); | ||
198 : | dst += edged_width2; | ||
199 : | src += edged_width2; | ||
200 : | } | ||
201 : | src -= edged_width2; | ||
202 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
203 : | memset(dst, *src, EDGE_SIZE2); | ||
204 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
205 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
206 : | EDGE_SIZE2); | ||
207 : | dst += edged_width2; | ||
208 : | } | ||
209 : | |||
210 : | |||
211 : | edgomez | 1382 | /* V */ |
212 : | albeu | 315 | dst = image->v - (EDGE_SIZE2 + EDGE_SIZE2 * edged_width2); |
213 : | src = image->v; | ||
214 : | |||
215 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
216 : | memset(dst, *src, EDGE_SIZE2); | ||
217 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
218 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
219 : | EDGE_SIZE2); | ||
220 : | dst += edged_width2; | ||
221 : | } | ||
222 : | |||
223 : | for (i = 0; i < height / 2; i++) { | ||
224 : | memset(dst, *src, EDGE_SIZE2); | ||
225 : | memset(dst + edged_width2 - EDGE_SIZE2, src[width2 - 1], EDGE_SIZE2); | ||
226 : | dst += edged_width2; | ||
227 : | src += edged_width2; | ||
228 : | } | ||
229 : | src -= edged_width2; | ||
230 : | for (i = 0; i < EDGE_SIZE2; i++) { | ||
231 : | memset(dst, *src, EDGE_SIZE2); | ||
232 : | memcpy(dst + EDGE_SIZE2, src, width2); | ||
233 : | memset(dst + edged_width2 - EDGE_SIZE2, *(src + width2 - 1), | ||
234 : | EDGE_SIZE2); | ||
235 : | dst += edged_width2; | ||
236 : | } | ||
237 : | } | ||
238 : | |||
239 : | void | ||
240 : | syskin | 1665 | image_interpolate(const uint8_t * refn, |
241 : | uint8_t * refh, | ||
242 : | uint8_t * refv, | ||
243 : | uint8_t * refhv, | ||
244 : | albeu | 315 | uint32_t edged_width, |
245 : | uint32_t edged_height, | ||
246 : | edgomez | 851 | uint32_t quarterpel, |
247 : | albeu | 315 | uint32_t rounding) |
248 : | { | ||
249 : | edgomez | 1382 | const uint32_t offset = EDGE_SIZE2 * (edged_width + 1); /* we only interpolate half of the edge area */ |
250 : | albeu | 315 | const uint32_t stride_add = 7 * edged_width; |
251 : | syskin | 1664 | |
252 : | syskin | 1665 | uint8_t *n_ptr; |
253 : | uint8_t *h_ptr, *v_ptr, *hv_ptr; | ||
254 : | albeu | 315 | uint32_t x, y; |
255 : | |||
256 : | syskin | 1665 | n_ptr = (uint8_t*)refn; |
257 : | h_ptr = refh; | ||
258 : | syskin | 1666 | v_ptr = refv; |
259 : | albeu | 315 | |
260 : | n_ptr -= offset; | ||
261 : | h_ptr -= offset; | ||
262 : | v_ptr -= offset; | ||
263 : | |||
264 : | edgomez | 1382 | /* Note we initialize the hv pointer later, as we can optimize code a bit |
265 : | * doing it down to up in quarterpel and up to down in halfpel */ | ||
266 : | edgomez | 851 | if(quarterpel) { |
267 : | edgomez | 1382 | |
268 : | edgomez | 851 | for (y = 0; y < (edged_height - EDGE_SIZE); y += 8) { |
269 : | for (x = 0; x < (edged_width - EDGE_SIZE); x += 8) { | ||
270 : | interpolate8x8_6tap_lowpass_h(h_ptr, n_ptr, edged_width, rounding); | ||
271 : | interpolate8x8_6tap_lowpass_v(v_ptr, n_ptr, edged_width, rounding); | ||
272 : | albeu | 315 | |
273 : | edgomez | 851 | n_ptr += 8; |
274 : | h_ptr += 8; | ||
275 : | v_ptr += 8; | ||
276 : | } | ||
277 : | edgomez | 1382 | |
278 : | edgomez | 851 | n_ptr += EDGE_SIZE; |
279 : | h_ptr += EDGE_SIZE; | ||
280 : | v_ptr += EDGE_SIZE; | ||
281 : | |||
282 : | h_ptr += stride_add; | ||
283 : | v_ptr += stride_add; | ||
284 : | n_ptr += stride_add; | ||
285 : | } | ||
286 : | |||
287 : | syskin | 1665 | h_ptr = refh + (edged_height - EDGE_SIZE - EDGE_SIZE2)*edged_width - EDGE_SIZE2; |
288 : | hv_ptr = refhv + (edged_height - EDGE_SIZE - EDGE_SIZE2)*edged_width - EDGE_SIZE2; | ||
289 : | edgomez | 851 | |
290 : | for (y = 0; y < (edged_height - EDGE_SIZE); y = y + 8) { | ||
291 : | edgomez | 1382 | hv_ptr -= stride_add; |
292 : | h_ptr -= stride_add; | ||
293 : | hv_ptr -= EDGE_SIZE; | ||
294 : | h_ptr -= EDGE_SIZE; | ||
295 : | |||
296 : | edgomez | 851 | for (x = 0; x < (edged_width - EDGE_SIZE); x = x + 8) { |
297 : | edgomez | 1382 | hv_ptr -= 8; |
298 : | h_ptr -= 8; | ||
299 : | edgomez | 851 | interpolate8x8_6tap_lowpass_v(hv_ptr, h_ptr, edged_width, rounding); |
300 : | } | ||
301 : | } | ||
302 : | edgomez | 1382 | } else { |
303 : | edgomez | 851 | |
304 : | syskin | 1665 | hv_ptr = refhv; |
305 : | edgomez | 1382 | hv_ptr -= offset; |
306 : | |||
307 : | edgomez | 851 | for (y = 0; y < (edged_height - EDGE_SIZE); y += 8) { |
308 : | for (x = 0; x < (edged_width - EDGE_SIZE); x += 8) { | ||
309 : | interpolate8x8_halfpel_h(h_ptr, n_ptr, edged_width, rounding); | ||
310 : | interpolate8x8_halfpel_v(v_ptr, n_ptr, edged_width, rounding); | ||
311 : | interpolate8x8_halfpel_hv(hv_ptr, n_ptr, edged_width, rounding); | ||
312 : | |||
313 : | n_ptr += 8; | ||
314 : | h_ptr += 8; | ||
315 : | v_ptr += 8; | ||
316 : | hv_ptr += 8; | ||
317 : | } | ||
318 : | edgomez | 1382 | |
319 : | edgomez | 851 | h_ptr += EDGE_SIZE; |
320 : | v_ptr += EDGE_SIZE; | ||
321 : | hv_ptr += EDGE_SIZE; | ||
322 : | n_ptr += EDGE_SIZE; | ||
323 : | |||
324 : | h_ptr += stride_add; | ||
325 : | v_ptr += stride_add; | ||
326 : | hv_ptr += stride_add; | ||
327 : | n_ptr += stride_add; | ||
328 : | } | ||
329 : | } | ||
330 : | albeu | 315 | } |
331 : | |||
332 : | |||
333 : | edgomez | 851 | /* |
334 : | chroma optimize filter, invented by mf | ||
335 : | a chroma pixel is average from the surrounding pixels, when the | ||
336 : | correpsonding luma pixels are pure black or white. | ||
337 : | */ | ||
338 : | |||
339 : | void | ||
340 : | image_chroma_optimize(IMAGE * img, int width, int height, int edged_width) | ||
341 : | { | ||
342 : | int x,y; | ||
343 : | int pixels = 0; | ||
344 : | |||
345 : | for (y = 1; y < height/2 - 1; y++) | ||
346 : | for (x = 1; x < width/2 - 1; x++) | ||
347 : | { | ||
348 : | #define IS_PURE(a) ((a)<=16||(a)>=235) | ||
349 : | #define IMG_Y(Y,X) img->y[(Y)*edged_width + (X)] | ||
350 : | #define IMG_U(Y,X) img->u[(Y)*edged_width/2 + (X)] | ||
351 : | #define IMG_V(Y,X) img->v[(Y)*edged_width/2 + (X)] | ||
352 : | |||
353 : | edgomez | 1382 | if (IS_PURE(IMG_Y(y*2 ,x*2 )) && |
354 : | edgomez | 851 | IS_PURE(IMG_Y(y*2 ,x*2+1)) && |
355 : | edgomez | 1382 | IS_PURE(IMG_Y(y*2+1,x*2 )) && |
356 : | edgomez | 851 | IS_PURE(IMG_Y(y*2+1,x*2+1))) |
357 : | { | ||
358 : | 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; | ||
359 : | 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; | ||
360 : | pixels++; | ||
361 : | } | ||
362 : | |||
363 : | #undef IS_PURE | ||
364 : | #undef IMG_Y | ||
365 : | #undef IMG_U | ||
366 : | #undef IMG_V | ||
367 : | } | ||
368 : | edgomez | 1382 | |
369 : | DPRINTF(XVID_DEBUG_DEBUG,"chroma_optimized_pixels = %i/%i\n", pixels, width*height/4); | ||
370 : | edgomez | 851 | } |
371 : | |||
372 : | |||
373 : | |||
374 : | |||
375 : | |||
376 : | /* | ||
377 : | perform safe packed colorspace conversion, by splitting | ||
378 : | the image up into an optimized area (pixel width divisible by 16), | ||
379 : | and two unoptimized/plain-c areas (pixel width divisible by 2) | ||
380 : | */ | ||
381 : | |||
382 : | edgomez | 1382 | static void |
383 : | edgomez | 851 | safe_packed_conv(uint8_t * x_ptr, int x_stride, |
384 : | uint8_t * y_ptr, uint8_t * u_ptr, uint8_t * v_ptr, | ||
385 : | int y_stride, int uv_stride, | ||
386 : | int width, int height, int vflip, | ||
387 : | packedFunc * func_opt, packedFunc func_c, int size) | ||
388 : | { | ||
389 : | int width_opt, width_c; | ||
390 : | |||
391 : | if (func_opt != func_c && x_stride < size*((width+15)/16)*16) | ||
392 : | { | ||
393 : | width_opt = width & (~15); | ||
394 : | width_c = width - width_opt; | ||
395 : | } | ||
396 : | else | ||
397 : | { | ||
398 : | width_opt = width; | ||
399 : | width_c = 0; | ||
400 : | } | ||
401 : | |||
402 : | func_opt(x_ptr, x_stride, | ||
403 : | y_ptr, u_ptr, v_ptr, y_stride, uv_stride, | ||
404 : | width_opt, height, vflip); | ||
405 : | |||
406 : | if (width_c) | ||
407 : | { | ||
408 : | func_c(x_ptr + size*width_opt, x_stride, | ||
409 : | y_ptr + width_opt, u_ptr + width_opt/2, v_ptr + width_opt/2, | ||
410 : | y_stride, uv_stride, width_c, height, vflip); | ||
411 : | } | ||
412 : | } | ||
413 : | |||
414 : | |||
415 : | |||
416 : | albeu | 315 | int |
417 : | image_input(IMAGE * image, | ||
418 : | uint32_t width, | ||
419 : | int height, | ||
420 : | uint32_t edged_width, | ||
421 : | edgomez | 1382 | uint8_t * src[4], |
422 : | int src_stride[4], | ||
423 : | edgomez | 851 | int csp, |
424 : | int interlacing) | ||
425 : | albeu | 315 | { |
426 : | edgomez | 851 | const int edged_width2 = edged_width/2; |
427 : | const int width2 = width/2; | ||
428 : | const int height2 = height/2; | ||
429 : | edgomez | 1382 | #if 0 |
430 : | const int height_signed = (csp & XVID_CSP_VFLIP) ? -height : height; | ||
431 : | #endif | ||
432 : | albeu | 315 | |
433 : | switch (csp & ~XVID_CSP_VFLIP) { | ||
434 : | case XVID_CSP_RGB555: | ||
435 : | edgomez | 851 | safe_packed_conv( |
436 : | edgomez | 1382 | src[0], src_stride[0], image->y, image->u, image->v, |
437 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
438 : | interlacing?rgb555i_to_yv12 :rgb555_to_yv12, | ||
439 : | interlacing?rgb555i_to_yv12_c:rgb555_to_yv12_c, 2); | ||
440 : | break; | ||
441 : | albeu | 315 | |
442 : | case XVID_CSP_RGB565: | ||
443 : | edgomez | 851 | safe_packed_conv( |
444 : | edgomez | 1382 | src[0], src_stride[0], image->y, image->u, image->v, |
445 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
446 : | interlacing?rgb565i_to_yv12 :rgb565_to_yv12, | ||
447 : | interlacing?rgb565i_to_yv12_c:rgb565_to_yv12_c, 2); | ||
448 : | break; | ||
449 : | albeu | 315 | |
450 : | |||
451 : | edgomez | 1382 | case XVID_CSP_BGR: |
452 : | edgomez | 851 | safe_packed_conv( |
453 : | edgomez | 1382 | src[0], src_stride[0], image->y, image->u, image->v, |
454 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
455 : | interlacing?bgri_to_yv12 :bgr_to_yv12, | ||
456 : | interlacing?bgri_to_yv12_c:bgr_to_yv12_c, 3); | ||
457 : | break; | ||
458 : | albeu | 315 | |
459 : | edgomez | 1382 | case XVID_CSP_BGRA: |
460 : | edgomez | 851 | safe_packed_conv( |
461 : | edgomez | 1382 | src[0], src_stride[0], image->y, image->u, image->v, |
462 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
463 : | interlacing?bgrai_to_yv12 :bgra_to_yv12, | ||
464 : | interlacing?bgrai_to_yv12_c:bgra_to_yv12_c, 4); | ||
465 : | break; | ||
466 : | albeu | 315 | |
467 : | edgomez | 851 | case XVID_CSP_ABGR : |
468 : | safe_packed_conv( | ||
469 : | edgomez | 1382 | src[0], src_stride[0], image->y, image->u, image->v, |
470 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
471 : | interlacing?abgri_to_yv12 :abgr_to_yv12, | ||
472 : | interlacing?abgri_to_yv12_c:abgr_to_yv12_c, 4); | ||
473 : | break; | ||
474 : | albeu | 315 | |
475 : | edgomez | 851 | case XVID_CSP_RGBA : |
476 : | safe_packed_conv( | ||
477 : | edgomez | 1382 | src[0], src_stride[0], image->y, image->u, image->v, |
478 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
479 : | interlacing?rgbai_to_yv12 :rgba_to_yv12, | ||
480 : | interlacing?rgbai_to_yv12_c:rgba_to_yv12_c, 4); | ||
481 : | break; | ||
482 : | edgomez | 1382 | |
483 : | case XVID_CSP_ARGB: | ||
484 : | safe_packed_conv( | ||
485 : | src[0], src_stride[0], image->y, image->u, image->v, | ||
486 : | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), | ||
487 : | interlacing?argbi_to_yv12 : argb_to_yv12, | ||
488 : | interlacing?argbi_to_yv12_c: argb_to_yv12_c, 4); | ||
489 : | break; | ||
490 : | albeu | 315 | |
491 : | case XVID_CSP_YUY2: | ||
492 : | edgomez | 851 | safe_packed_conv( |
493 : | edgomez | 1382 | src[0], src_stride[0], image->y, image->u, image->v, |
494 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
495 : | interlacing?yuyvi_to_yv12 :yuyv_to_yv12, | ||
496 : | interlacing?yuyvi_to_yv12_c:yuyv_to_yv12_c, 2); | ||
497 : | break; | ||
498 : | albeu | 315 | |
499 : | case XVID_CSP_YVYU: /* u/v swapped */ | ||
500 : | edgomez | 851 | safe_packed_conv( |
501 : | edgomez | 1382 | src[0], src_stride[0], image->y, image->v, image->u, |
502 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
503 : | interlacing?yuyvi_to_yv12 :yuyv_to_yv12, | ||
504 : | interlacing?yuyvi_to_yv12_c:yuyv_to_yv12_c, 2); | ||
505 : | break; | ||
506 : | albeu | 315 | |
507 : | case XVID_CSP_UYVY: | ||
508 : | edgomez | 851 | safe_packed_conv( |
509 : | edgomez | 1382 | src[0], src_stride[0], image->y, image->u, image->v, |
510 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
511 : | interlacing?uyvyi_to_yv12 :uyvy_to_yv12, | ||
512 : | interlacing?uyvyi_to_yv12_c:uyvy_to_yv12_c, 2); | ||
513 : | break; | ||
514 : | albeu | 315 | |
515 : | edgomez | 1382 | case XVID_CSP_I420: /* YCbCr == YUV == internal colorspace for MPEG */ |
516 : | edgomez | 851 | yv12_to_yv12(image->y, image->u, image->v, edged_width, edged_width2, |
517 : | edgomez | 1382 | src[0], src[0] + src_stride[0]*height, src[0] + src_stride[0]*height + (src_stride[0]/2)*height2, |
518 : | src_stride[0], src_stride[0]/2, width, height, (csp & XVID_CSP_VFLIP)); | ||
519 : | break; | ||
520 : | |||
521 : | case XVID_CSP_YV12: /* YCrCb == YVA == U and V plane swapped */ | ||
522 : | edgomez | 851 | yv12_to_yv12(image->y, image->v, image->u, edged_width, edged_width2, |
523 : | edgomez | 1382 | src[0], src[0] + src_stride[0]*height, src[0] + src_stride[0]*height + (src_stride[0]/2)*height2, |
524 : | src_stride[0], src_stride[0]/2, width, height, (csp & XVID_CSP_VFLIP)); | ||
525 : | edgomez | 851 | break; |
526 : | |||
527 : | edgomez | 1382 | case XVID_CSP_PLANAR: /* YCbCr with arbitrary pointers and different strides for Y and UV */ |
528 : | yv12_to_yv12(image->y, image->u, image->v, edged_width, edged_width2, | ||
529 : | src[0], src[1], src[2], src_stride[0], src_stride[1], /* v: dst_stride[2] not yet supported */ | ||
530 : | width, height, (csp & XVID_CSP_VFLIP)); | ||
531 : | edgomez | 851 | break; |
532 : | albeu | 315 | |
533 : | case XVID_CSP_NULL: | ||
534 : | break; | ||
535 : | |||
536 : | edgomez | 851 | default : |
537 : | return -1; | ||
538 : | albeu | 315 | } |
539 : | |||
540 : | edgomez | 851 | |
541 : | /* pad out image when the width and/or height is not a multiple of 16 */ | ||
542 : | |||
543 : | if (width & 15) | ||
544 : | { | ||
545 : | int i; | ||
546 : | int pad_width = 16 - (width&15); | ||
547 : | for (i = 0; i < height; i++) | ||
548 : | { | ||
549 : | edgomez | 1382 | memset(image->y + i*edged_width + width, |
550 : | edgomez | 851 | *(image->y + i*edged_width + width - 1), pad_width); |
551 : | } | ||
552 : | for (i = 0; i < height/2; i++) | ||
553 : | { | ||
554 : | edgomez | 1382 | memset(image->u + i*edged_width2 + width2, |
555 : | edgomez | 851 | *(image->u + i*edged_width2 + width2 - 1),pad_width/2); |
556 : | edgomez | 1382 | memset(image->v + i*edged_width2 + width2, |
557 : | edgomez | 851 | *(image->v + i*edged_width2 + width2 - 1),pad_width/2); |
558 : | } | ||
559 : | } | ||
560 : | |||
561 : | if (height & 15) | ||
562 : | { | ||
563 : | edgomez | 1382 | int pad_height = 16 - (height&15); |
564 : | edgomez | 851 | int length = ((width+15)/16)*16; |
565 : | int i; | ||
566 : | for (i = 0; i < pad_height; i++) | ||
567 : | { | ||
568 : | memcpy(image->y + (height+i)*edged_width, | ||
569 : | image->y + (height-1)*edged_width,length); | ||
570 : | } | ||
571 : | |||
572 : | for (i = 0; i < pad_height/2; i++) | ||
573 : | { | ||
574 : | memcpy(image->u + (height2+i)*edged_width2, | ||
575 : | image->u + (height2-1)*edged_width2,length/2); | ||
576 : | memcpy(image->v + (height2+i)*edged_width2, | ||
577 : | image->v + (height2-1)*edged_width2,length/2); | ||
578 : | } | ||
579 : | } | ||
580 : | |||
581 : | /* | ||
582 : | if (interlacing) | ||
583 : | image_printf(image, edged_width, height, 5,5, "[i]"); | ||
584 : | image_dump_yuvpgm(image, edged_width, ((width+15)/16)*16, ((height+15)/16)*16, "\\encode.pgm"); | ||
585 : | */ | ||
586 : | return 0; | ||
587 : | albeu | 315 | } |
588 : | |||
589 : | |||
590 : | |||
591 : | int | ||
592 : | image_output(IMAGE * image, | ||
593 : | uint32_t width, | ||
594 : | int height, | ||
595 : | uint32_t edged_width, | ||
596 : | edgomez | 1382 | uint8_t * dst[4], |
597 : | Skal | 1617 | int dst_stride[4], |
598 : | edgomez | 851 | int csp, |
599 : | int interlacing) | ||
600 : | albeu | 315 | { |
601 : | edgomez | 851 | const int edged_width2 = edged_width/2; |
602 : | int height2 = height/2; | ||
603 : | |||
604 : | /* | ||
605 : | if (interlacing) | ||
606 : | image_printf(image, edged_width, height, 5,100, "[i]=%i,%i",width,height); | ||
607 : | image_dump_yuvpgm(image, edged_width, width, height, "\\decode.pgm"); | ||
608 : | */ | ||
609 : | |||
610 : | albeu | 315 | switch (csp & ~XVID_CSP_VFLIP) { |
611 : | case XVID_CSP_RGB555: | ||
612 : | edgomez | 851 | safe_packed_conv( |
613 : | edgomez | 1382 | dst[0], dst_stride[0], image->y, image->u, image->v, |
614 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
615 : | interlacing?yv12_to_rgb555i :yv12_to_rgb555, | ||
616 : | interlacing?yv12_to_rgb555i_c:yv12_to_rgb555_c, 2); | ||
617 : | albeu | 315 | return 0; |
618 : | |||
619 : | case XVID_CSP_RGB565: | ||
620 : | edgomez | 851 | safe_packed_conv( |
621 : | edgomez | 1382 | dst[0], dst_stride[0], image->y, image->u, image->v, |
622 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
623 : | interlacing?yv12_to_rgb565i :yv12_to_rgb565, | ||
624 : | interlacing?yv12_to_rgb565i_c:yv12_to_rgb565_c, 2); | ||
625 : | albeu | 315 | return 0; |
626 : | |||
627 : | edgomez | 1382 | case XVID_CSP_BGR: |
628 : | edgomez | 851 | safe_packed_conv( |
629 : | edgomez | 1382 | dst[0], dst_stride[0], image->y, image->u, image->v, |
630 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
631 : | interlacing?yv12_to_bgri :yv12_to_bgr, | ||
632 : | interlacing?yv12_to_bgri_c:yv12_to_bgr_c, 3); | ||
633 : | albeu | 315 | return 0; |
634 : | |||
635 : | edgomez | 1382 | case XVID_CSP_BGRA: |
636 : | edgomez | 851 | safe_packed_conv( |
637 : | edgomez | 1382 | dst[0], dst_stride[0], image->y, image->u, image->v, |
638 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
639 : | interlacing?yv12_to_bgrai :yv12_to_bgra, | ||
640 : | interlacing?yv12_to_bgrai_c:yv12_to_bgra_c, 4); | ||
641 : | albeu | 315 | return 0; |
642 : | |||
643 : | edgomez | 851 | case XVID_CSP_ABGR: |
644 : | safe_packed_conv( | ||
645 : | edgomez | 1382 | dst[0], dst_stride[0], image->y, image->u, image->v, |
646 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
647 : | interlacing?yv12_to_abgri :yv12_to_abgr, | ||
648 : | interlacing?yv12_to_abgri_c:yv12_to_abgr_c, 4); | ||
649 : | albeu | 315 | return 0; |
650 : | |||
651 : | edgomez | 851 | case XVID_CSP_RGBA: |
652 : | safe_packed_conv( | ||
653 : | edgomez | 1382 | dst[0], dst_stride[0], image->y, image->u, image->v, |
654 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
655 : | interlacing?yv12_to_rgbai :yv12_to_rgba, | ||
656 : | interlacing?yv12_to_rgbai_c:yv12_to_rgba_c, 4); | ||
657 : | albeu | 315 | return 0; |
658 : | |||
659 : | edgomez | 1382 | case XVID_CSP_ARGB: |
660 : | safe_packed_conv( | ||
661 : | dst[0], dst_stride[0], image->y, image->u, image->v, | ||
662 : | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), | ||
663 : | interlacing?yv12_to_argbi :yv12_to_argb, | ||
664 : | interlacing?yv12_to_argbi_c:yv12_to_argb_c, 4); | ||
665 : | return 0; | ||
666 : | |||
667 : | albeu | 315 | case XVID_CSP_YUY2: |
668 : | edgomez | 851 | safe_packed_conv( |
669 : | edgomez | 1382 | dst[0], dst_stride[0], image->y, image->u, image->v, |
670 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
671 : | interlacing?yv12_to_yuyvi :yv12_to_yuyv, | ||
672 : | interlacing?yv12_to_yuyvi_c:yv12_to_yuyv_c, 2); | ||
673 : | albeu | 315 | return 0; |
674 : | |||
675 : | edgomez | 1382 | case XVID_CSP_YVYU: /* u,v swapped */ |
676 : | edgomez | 851 | safe_packed_conv( |
677 : | edgomez | 1382 | dst[0], dst_stride[0], image->y, image->v, image->u, |
678 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
679 : | interlacing?yv12_to_yuyvi :yv12_to_yuyv, | ||
680 : | interlacing?yv12_to_yuyvi_c:yv12_to_yuyv_c, 2); | ||
681 : | albeu | 315 | return 0; |
682 : | |||
683 : | case XVID_CSP_UYVY: | ||
684 : | edgomez | 851 | safe_packed_conv( |
685 : | edgomez | 1382 | dst[0], dst_stride[0], image->y, image->u, image->v, |
686 : | edgomez | 851 | edged_width, edged_width2, width, height, (csp & XVID_CSP_VFLIP), |
687 : | interlacing?yv12_to_uyvyi :yv12_to_uyvy, | ||
688 : | interlacing?yv12_to_uyvyi_c:yv12_to_uyvy_c, 2); | ||
689 : | albeu | 315 | return 0; |
690 : | |||
691 : | edgomez | 1382 | case XVID_CSP_I420: /* YCbCr == YUV == internal colorspace for MPEG */ |
692 : | yv12_to_yv12(dst[0], dst[0] + dst_stride[0]*height, dst[0] + dst_stride[0]*height + (dst_stride[0]/2)*height2, | ||
693 : | dst_stride[0], dst_stride[0]/2, | ||
694 : | edgomez | 851 | image->y, image->u, image->v, edged_width, edged_width2, |
695 : | width, height, (csp & XVID_CSP_VFLIP)); | ||
696 : | return 0; | ||
697 : | |||
698 : | edgomez | 1382 | case XVID_CSP_YV12: /* YCrCb == YVU == U and V plane swapped */ |
699 : | yv12_to_yv12(dst[0], dst[0] + dst_stride[0]*height, dst[0] + dst_stride[0]*height + (dst_stride[0]/2)*height2, | ||
700 : | dst_stride[0], dst_stride[0]/2, | ||
701 : | edgomez | 851 | image->y, image->v, image->u, edged_width, edged_width2, |
702 : | width, height, (csp & XVID_CSP_VFLIP)); | ||
703 : | return 0; | ||
704 : | |||
705 : | edgomez | 1382 | case XVID_CSP_PLANAR: /* YCbCr with arbitrary pointers and different strides for Y and UV */ |
706 : | yv12_to_yv12(dst[0], dst[1], dst[2], | ||
707 : | dst_stride[0], dst_stride[1], /* v: dst_stride[2] not yet supported */ | ||
708 : | image->y, image->u, image->v, edged_width, edged_width2, | ||
709 : | width, height, (csp & XVID_CSP_VFLIP)); | ||
710 : | albeu | 315 | return 0; |
711 : | |||
712 : | edgomez | 1382 | case XVID_CSP_INTERNAL : |
713 : | dst[0] = image->y; | ||
714 : | dst[1] = image->u; | ||
715 : | dst[2] = image->v; | ||
716 : | dst_stride[0] = edged_width; | ||
717 : | dst_stride[1] = edged_width/2; | ||
718 : | dst_stride[2] = edged_width/2; | ||
719 : | return 0; | ||
720 : | |||
721 : | albeu | 315 | case XVID_CSP_NULL: |
722 : | edgomez | 1382 | case XVID_CSP_SLICE: |
723 : | albeu | 315 | return 0; |
724 : | |||
725 : | } | ||
726 : | |||
727 : | return -1; | ||
728 : | } | ||
729 : | |||
730 : | float | ||
731 : | image_psnr(IMAGE * orig_image, | ||
732 : | IMAGE * recon_image, | ||
733 : | uint16_t stride, | ||
734 : | uint16_t width, | ||
735 : | uint16_t height) | ||
736 : | { | ||
737 : | int32_t diff, x, y, quad = 0; | ||
738 : | uint8_t *orig = orig_image->y; | ||
739 : | uint8_t *recon = recon_image->y; | ||
740 : | float psnr_y; | ||
741 : | |||
742 : | for (y = 0; y < height; y++) { | ||
743 : | for (x = 0; x < width; x++) { | ||
744 : | diff = *(orig + x) - *(recon + x); | ||
745 : | quad += diff * diff; | ||
746 : | } | ||
747 : | orig += stride; | ||
748 : | recon += stride; | ||
749 : | } | ||
750 : | |||
751 : | psnr_y = (float) quad / (float) (width * height); | ||
752 : | |||
753 : | if (psnr_y) { | ||
754 : | psnr_y = (float) (255 * 255) / psnr_y; | ||
755 : | psnr_y = 10 * (float) log10(psnr_y); | ||
756 : | } else | ||
757 : | psnr_y = (float) 99.99; | ||
758 : | |||
759 : | return psnr_y; | ||
760 : | } | ||
761 : | |||
762 : | |||
763 : | edgomez | 851 | float sse_to_PSNR(long sse, int pixels) |
764 : | { | ||
765 : | if (sse==0) | ||
766 : | return 99.99F; | ||
767 : | |||
768 : | edgomez | 1382 | return 48.131F - 10*(float)log10((float)sse/(float)(pixels)); /* log10(255*255)=4.8131 */ |
769 : | edgomez | 851 | |
770 : | } | ||
771 : | |||
772 : | edgomez | 1424 | long plane_sse(uint8_t *orig, |
773 : | uint8_t *recon, | ||
774 : | uint16_t stride, | ||
775 : | uint16_t width, | ||
776 : | uint16_t height) | ||
777 : | edgomez | 851 | { |
778 : | edgomez | 1424 | int y, bwidth, bheight; |
779 : | long sse = 0; | ||
780 : | edgomez | 851 | |
781 : | edgomez | 1424 | bwidth = width & (~0x07); |
782 : | bheight = height & (~0x07); | ||
783 : | |||
784 : | /* Compute the 8x8 integer part */ | ||
785 : | for (y = 0; y<bheight; y += 8) { | ||
786 : | int x; | ||
787 : | |||
788 : | /* Compute sse for the band */ | ||
789 : | for (x = 0; x<bwidth; x += 8) | ||
790 : | sse += sse8_8bit(orig + x, recon + x, stride); | ||
791 : | |||
792 : | /* remaining pixels of the 8 pixels high band */ | ||
793 : | for (x = bwidth; x < width; x++) { | ||
794 : | int diff; | ||
795 : | diff = *(orig + 0*stride + x) - *(recon + 0*stride + x); | ||
796 : | sse += diff * diff; | ||
797 : | diff = *(orig + 1*stride + x) - *(recon + 1*stride + x); | ||
798 : | sse += diff * diff; | ||
799 : | diff = *(orig + 2*stride + x) - *(recon + 2*stride + x); | ||
800 : | sse += diff * diff; | ||
801 : | diff = *(orig + 3*stride + x) - *(recon + 3*stride + x); | ||
802 : | sse += diff * diff; | ||
803 : | diff = *(orig + 4*stride + x) - *(recon + 4*stride + x); | ||
804 : | sse += diff * diff; | ||
805 : | diff = *(orig + 5*stride + x) - *(recon + 5*stride + x); | ||
806 : | sse += diff * diff; | ||
807 : | diff = *(orig + 6*stride + x) - *(recon + 6*stride + x); | ||
808 : | sse += diff * diff; | ||
809 : | diff = *(orig + 7*stride + x) - *(recon + 7*stride + x); | ||
810 : | sse += diff * diff; | ||
811 : | } | ||
812 : | |||
813 : | orig += 8*stride; | ||
814 : | recon += 8*stride; | ||
815 : | } | ||
816 : | |||
817 : | /* Compute the down rectangle sse */ | ||
818 : | for (y = bheight; y < height; y++) { | ||
819 : | int x; | ||
820 : | edgomez | 851 | for (x = 0; x < width; x++) { |
821 : | edgomez | 1424 | int diff; |
822 : | edgomez | 851 | diff = *(orig + x) - *(recon + x); |
823 : | sse += diff * diff; | ||
824 : | } | ||
825 : | orig += stride; | ||
826 : | recon += stride; | ||
827 : | } | ||
828 : | edgomez | 1424 | |
829 : | return (sse); | ||
830 : | edgomez | 851 | } |
831 : | |||
832 : | edgomez | 1382 | #if 0 |
833 : | edgomez | 851 | |
834 : | albeu | 315 | #include <stdio.h> |
835 : | #include <string.h> | ||
836 : | |||
837 : | int image_dump_pgm(uint8_t * bmp, uint32_t width, uint32_t height, char * filename) | ||
838 : | { | ||
839 : | FILE * f; | ||
840 : | char hdr[1024]; | ||
841 : | edgomez | 1382 | |
842 : | albeu | 315 | f = fopen(filename, "wb"); |
843 : | if ( f == NULL) | ||
844 : | { | ||
845 : | return -1; | ||
846 : | } | ||
847 : | sprintf(hdr, "P5\n#xvid\n%i %i\n255\n", width, height); | ||
848 : | fwrite(hdr, strlen(hdr), 1, f); | ||
849 : | fwrite(bmp, width, height, f); | ||
850 : | fclose(f); | ||
851 : | |||
852 : | return 0; | ||
853 : | } | ||
854 : | |||
855 : | |||
856 : | edgomez | 1382 | /* dump image+edges to yuv pgm files */ |
857 : | albeu | 315 | |
858 : | int image_dump(IMAGE * image, uint32_t edged_width, uint32_t edged_height, char * path, int number) | ||
859 : | { | ||
860 : | char filename[1024]; | ||
861 : | |||
862 : | sprintf(filename, "%s_%i_%c.pgm", path, number, 'y'); | ||
863 : | image_dump_pgm( | ||
864 : | image->y - (EDGE_SIZE * edged_width + EDGE_SIZE), | ||
865 : | edged_width, edged_height, filename); | ||
866 : | |||
867 : | sprintf(filename, "%s_%i_%c.pgm", path, number, 'u'); | ||
868 : | image_dump_pgm( | ||
869 : | image->u - (EDGE_SIZE2 * edged_width / 2 + EDGE_SIZE2), | ||
870 : | edged_width / 2, edged_height / 2, filename); | ||
871 : | |||
872 : | sprintf(filename, "%s_%i_%c.pgm", path, number, 'v'); | ||
873 : | image_dump_pgm( | ||
874 : | image->v - (EDGE_SIZE2 * edged_width / 2 + EDGE_SIZE2), | ||
875 : | edged_width / 2, edged_height / 2, filename); | ||
876 : | |||
877 : | return 0; | ||
878 : | } | ||
879 : | edgomez | 1382 | #endif |
880 : | albeu | 315 | |
881 : | |||
882 : | |||
883 : | /* dump image to yuvpgm file */ | ||
884 : | |||
885 : | #include <stdio.h> | ||
886 : | |||
887 : | int | ||
888 : | image_dump_yuvpgm(const IMAGE * image, | ||
889 : | const uint32_t edged_width, | ||
890 : | const uint32_t width, | ||
891 : | const uint32_t height, | ||
892 : | char *filename) | ||
893 : | { | ||
894 : | FILE *f; | ||
895 : | char hdr[1024]; | ||
896 : | uint32_t i; | ||
897 : | uint8_t *bmp1; | ||
898 : | uint8_t *bmp2; | ||
899 : | |||
900 : | |||
901 : | f = fopen(filename, "wb"); | ||
902 : | if (f == NULL) { | ||
903 : | return -1; | ||
904 : | } | ||
905 : | sprintf(hdr, "P5\n#xvid\n%i %i\n255\n", width, (3 * height) / 2); | ||
906 : | fwrite(hdr, strlen(hdr), 1, f); | ||
907 : | |||
908 : | bmp1 = image->y; | ||
909 : | for (i = 0; i < height; i++) { | ||
910 : | fwrite(bmp1, width, 1, f); | ||
911 : | bmp1 += edged_width; | ||
912 : | } | ||
913 : | |||
914 : | bmp1 = image->u; | ||
915 : | bmp2 = image->v; | ||
916 : | for (i = 0; i < height / 2; i++) { | ||
917 : | fwrite(bmp1, width / 2, 1, f); | ||
918 : | fwrite(bmp2, width / 2, 1, f); | ||
919 : | bmp1 += edged_width / 2; | ||
920 : | bmp2 += edged_width / 2; | ||
921 : | } | ||
922 : | |||
923 : | fclose(f); | ||
924 : | return 0; | ||
925 : | } | ||
926 : | |||
927 : | |||
928 : | float | ||
929 : | image_mad(const IMAGE * img1, | ||
930 : | const IMAGE * img2, | ||
931 : | uint32_t stride, | ||
932 : | uint32_t width, | ||
933 : | uint32_t height) | ||
934 : | { | ||
935 : | const uint32_t stride2 = stride / 2; | ||
936 : | const uint32_t width2 = width / 2; | ||
937 : | const uint32_t height2 = height / 2; | ||
938 : | |||
939 : | uint32_t x, y; | ||
940 : | uint32_t sum = 0; | ||
941 : | |||
942 : | for (y = 0; y < height; y++) | ||
943 : | for (x = 0; x < width; x++) | ||
944 : | edgomez | 1382 | sum += abs(img1->y[x + y * stride] - img2->y[x + y * stride]); |
945 : | albeu | 315 | |
946 : | for (y = 0; y < height2; y++) | ||
947 : | for (x = 0; x < width2; x++) | ||
948 : | edgomez | 1382 | sum += abs(img1->u[x + y * stride2] - img2->u[x + y * stride2]); |
949 : | albeu | 315 | |
950 : | for (y = 0; y < height2; y++) | ||
951 : | for (x = 0; x < width2; x++) | ||
952 : | edgomez | 1382 | sum += abs(img1->v[x + y * stride2] - img2->v[x + y * stride2]); |
953 : | albeu | 315 | |
954 : | return (float) sum / (width * height * 3 / 2); | ||
955 : | } | ||
956 : | |||
957 : | void | ||
958 : | suxen_drol | 1631 | output_slice(IMAGE * cur, int stride, int width, xvid_image_t* out_frm, int mbx, int mby,int mbl) { |
959 : | albeu | 315 | uint8_t *dY,*dU,*dV,*sY,*sU,*sV; |
960 : | suxen_drol | 1631 | int stride2 = stride >> 1; |
961 : | albeu | 315 | int w = mbl << 4, w2,i; |
962 : | |||
963 : | if(w > width) | ||
964 : | w = width; | ||
965 : | w2 = w >> 1; | ||
966 : | suxen_drol | 323 | |
967 : | edgomez | 1382 | dY = (uint8_t*)out_frm->plane[0] + (mby << 4) * out_frm->stride[0] + (mbx << 4); |
968 : | dU = (uint8_t*)out_frm->plane[1] + (mby << 3) * out_frm->stride[1] + (mbx << 3); | ||
969 : | dV = (uint8_t*)out_frm->plane[2] + (mby << 3) * out_frm->stride[2] + (mbx << 3); | ||
970 : | suxen_drol | 1631 | sY = cur->y + (mby << 4) * stride + (mbx << 4); |
971 : | sU = cur->u + (mby << 3) * stride2 + (mbx << 3); | ||
972 : | sV = cur->v + (mby << 3) * stride2 + (mbx << 3); | ||
973 : | albeu | 315 | |
974 : | for(i = 0 ; i < 16 ; i++) { | ||
975 : | memcpy(dY,sY,w); | ||
976 : | edgomez | 1382 | dY += out_frm->stride[0]; |
977 : | suxen_drol | 1631 | sY += stride; |
978 : | suxen_drol | 323 | } |
979 : | albeu | 315 | for(i = 0 ; i < 8 ; i++) { |
980 : | memcpy(dU,sU,w2); | ||
981 : | edgomez | 1382 | dU += out_frm->stride[1]; |
982 : | suxen_drol | 1631 | sU += stride2; |
983 : | albeu | 315 | } |
984 : | for(i = 0 ; i < 8 ; i++) { | ||
985 : | memcpy(dV,sV,w2); | ||
986 : | edgomez | 1382 | dV += out_frm->stride[2]; |
987 : | suxen_drol | 1631 | sV += stride2; |
988 : | albeu | 315 | } |
989 : | } | ||
990 : | edgomez | 851 | |
991 : | |||
992 : | void | ||
993 : | image_clear(IMAGE * img, int width, int height, int edged_width, | ||
994 : | int y, int u, int v) | ||
995 : | { | ||
996 : | uint8_t * p; | ||
997 : | int i; | ||
998 : | |||
999 : | p = img->y; | ||
1000 : | for (i = 0; i < height; i++) { | ||
1001 : | memset(p, y, width); | ||
1002 : | p += edged_width; | ||
1003 : | } | ||
1004 : | |||
1005 : | p = img->u; | ||
1006 : | for (i = 0; i < height/2; i++) { | ||
1007 : | memset(p, u, width/2); | ||
1008 : | p += edged_width/2; | ||
1009 : | } | ||
1010 : | |||
1011 : | p = img->v; | ||
1012 : | for (i = 0; i < height/2; i++) { | ||
1013 : | memset(p, v, width/2); | ||
1014 : | p += edged_width/2; | ||
1015 : | } | ||
1016 : | } |
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