2 * DSP utils mmx functions are compiled twice for rnd/no_rnd
3 * Copyright (c) 2000, 2001 Fabrice Bellard.
4 * Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
21 * mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
22 * and improved by Zdenek Kabelac <kabi@users.sf.net>
26 static void DEF(put
, pixels8_x2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
30 "lea (%3, %3), %%"REG_a
" \n\t"
33 "movq (%1), %%mm0 \n\t"
34 "movq 1(%1), %%mm1 \n\t"
35 "movq (%1, %3), %%mm2 \n\t"
36 "movq 1(%1, %3), %%mm3 \n\t"
37 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
38 "movq %%mm4, (%2) \n\t"
39 "movq %%mm5, (%2, %3) \n\t"
40 "add %%"REG_a
", %1 \n\t"
41 "add %%"REG_a
", %2 \n\t"
42 "movq (%1), %%mm0 \n\t"
43 "movq 1(%1), %%mm1 \n\t"
44 "movq (%1, %3), %%mm2 \n\t"
45 "movq 1(%1, %3), %%mm3 \n\t"
46 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
47 "movq %%mm4, (%2) \n\t"
48 "movq %%mm5, (%2, %3) \n\t"
49 "add %%"REG_a
", %1 \n\t"
50 "add %%"REG_a
", %2 \n\t"
53 :"+g"(h
), "+S"(pixels
), "+D"(block
)
58 static void DEF(put
, pixels8_l2
)(uint8_t *dst
, uint8_t *src1
, uint8_t *src2
, int dstStride
, int src1Stride
, int h
)
64 "movq (%1), %%mm0 \n\t"
65 "movq (%2), %%mm1 \n\t"
68 PAVGB(%%mm0
, %%mm1
, %%mm4
, %%mm6
)
69 "movq %%mm4, (%3) \n\t"
74 "movq (%1), %%mm0 \n\t"
75 "movq (%2), %%mm1 \n\t"
77 "movq (%1), %%mm2 \n\t"
78 "movq 8(%2), %%mm3 \n\t"
80 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
81 "movq %%mm4, (%3) \n\t"
83 "movq %%mm5, (%3) \n\t"
85 "movq (%1), %%mm0 \n\t"
86 "movq 16(%2), %%mm1 \n\t"
88 "movq (%1), %%mm2 \n\t"
89 "movq 24(%2), %%mm3 \n\t"
92 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
93 "movq %%mm4, (%3) \n\t"
95 "movq %%mm5, (%3) \n\t"
99 #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
100 :"+m"(h
), "+a"(src1
), "+c"(src2
), "+d"(dst
)
102 :"+b"(h
), "+a"(src1
), "+c"(src2
), "+d"(dst
)
104 :"S"((long)src1Stride
), "D"((long)dstStride
)
108 static void DEF(put
, pixels16_x2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
112 "lea (%3, %3), %%"REG_a
" \n\t"
115 "movq (%1), %%mm0 \n\t"
116 "movq 1(%1), %%mm1 \n\t"
117 "movq (%1, %3), %%mm2 \n\t"
118 "movq 1(%1, %3), %%mm3 \n\t"
119 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
120 "movq %%mm4, (%2) \n\t"
121 "movq %%mm5, (%2, %3) \n\t"
122 "movq 8(%1), %%mm0 \n\t"
123 "movq 9(%1), %%mm1 \n\t"
124 "movq 8(%1, %3), %%mm2 \n\t"
125 "movq 9(%1, %3), %%mm3 \n\t"
126 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
127 "movq %%mm4, 8(%2) \n\t"
128 "movq %%mm5, 8(%2, %3) \n\t"
129 "add %%"REG_a
", %1 \n\t"
130 "add %%"REG_a
", %2 \n\t"
131 "movq (%1), %%mm0 \n\t"
132 "movq 1(%1), %%mm1 \n\t"
133 "movq (%1, %3), %%mm2 \n\t"
134 "movq 1(%1, %3), %%mm3 \n\t"
135 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
136 "movq %%mm4, (%2) \n\t"
137 "movq %%mm5, (%2, %3) \n\t"
138 "movq 8(%1), %%mm0 \n\t"
139 "movq 9(%1), %%mm1 \n\t"
140 "movq 8(%1, %3), %%mm2 \n\t"
141 "movq 9(%1, %3), %%mm3 \n\t"
142 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
143 "movq %%mm4, 8(%2) \n\t"
144 "movq %%mm5, 8(%2, %3) \n\t"
145 "add %%"REG_a
", %1 \n\t"
146 "add %%"REG_a
", %2 \n\t"
149 :"+g"(h
), "+S"(pixels
), "+D"(block
)
150 :"r"((long)line_size
)
154 static void DEF(put
, pixels16_l2
)(uint8_t *dst
, uint8_t *src1
, uint8_t *src2
, int dstStride
, int src1Stride
, int h
)
160 "movq (%1), %%mm0 \n\t"
161 "movq (%2), %%mm1 \n\t"
162 "movq 8(%1), %%mm2 \n\t"
163 "movq 8(%2), %%mm3 \n\t"
166 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
167 "movq %%mm4, (%3) \n\t"
168 "movq %%mm5, 8(%3) \n\t"
173 "movq (%1), %%mm0 \n\t"
174 "movq (%2), %%mm1 \n\t"
175 "movq 8(%1), %%mm2 \n\t"
176 "movq 8(%2), %%mm3 \n\t"
178 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
179 "movq %%mm4, (%3) \n\t"
180 "movq %%mm5, 8(%3) \n\t"
182 "movq (%1), %%mm0 \n\t"
183 "movq 16(%2), %%mm1 \n\t"
184 "movq 8(%1), %%mm2 \n\t"
185 "movq 24(%2), %%mm3 \n\t"
187 PAVGBP(%%mm0
, %%mm1
, %%mm4
, %%mm2
, %%mm3
, %%mm5
)
188 "movq %%mm4, (%3) \n\t"
189 "movq %%mm5, 8(%3) \n\t"
194 #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
195 :"+m"(h
), "+a"(src1
), "+c"(src2
), "+d"(dst
)
197 :"+b"(h
), "+a"(src1
), "+c"(src2
), "+d"(dst
)
199 :"S"((long)src1Stride
), "D"((long)dstStride
)
203 static void DEF(put
, pixels8_y2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
207 "lea (%3, %3), %%"REG_a
" \n\t"
208 "movq (%1), %%mm0 \n\t"
211 "movq (%1, %3), %%mm1 \n\t"
212 "movq (%1, %%"REG_a
"),%%mm2 \n\t"
213 PAVGBP(%%mm1
, %%mm0
, %%mm4
, %%mm2
, %%mm1
, %%mm5
)
214 "movq %%mm4, (%2) \n\t"
215 "movq %%mm5, (%2, %3) \n\t"
216 "add %%"REG_a
", %1 \n\t"
217 "add %%"REG_a
", %2 \n\t"
218 "movq (%1, %3), %%mm1 \n\t"
219 "movq (%1, %%"REG_a
"),%%mm0 \n\t"
220 PAVGBP(%%mm1
, %%mm2
, %%mm4
, %%mm0
, %%mm1
, %%mm5
)
221 "movq %%mm4, (%2) \n\t"
222 "movq %%mm5, (%2, %3) \n\t"
223 "add %%"REG_a
", %1 \n\t"
224 "add %%"REG_a
", %2 \n\t"
227 :"+g"(h
), "+S"(pixels
), "+D"(block
)
228 :"r"((long)line_size
)
232 static void DEF(put
, pixels8_xy2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
235 SET_RND(mm6
); // =2 for rnd and =1 for no_rnd version
237 "movq (%1), %%mm0 \n\t"
238 "movq 1(%1), %%mm4 \n\t"
239 "movq %%mm0, %%mm1 \n\t"
240 "movq %%mm4, %%mm5 \n\t"
241 "punpcklbw %%mm7, %%mm0 \n\t"
242 "punpcklbw %%mm7, %%mm4 \n\t"
243 "punpckhbw %%mm7, %%mm1 \n\t"
244 "punpckhbw %%mm7, %%mm5 \n\t"
245 "paddusw %%mm0, %%mm4 \n\t"
246 "paddusw %%mm1, %%mm5 \n\t"
247 "xor %%"REG_a
", %%"REG_a
" \n\t"
251 "movq (%1, %%"REG_a
"), %%mm0 \n\t"
252 "movq 1(%1, %%"REG_a
"), %%mm2 \n\t"
253 "movq %%mm0, %%mm1 \n\t"
254 "movq %%mm2, %%mm3 \n\t"
255 "punpcklbw %%mm7, %%mm0 \n\t"
256 "punpcklbw %%mm7, %%mm2 \n\t"
257 "punpckhbw %%mm7, %%mm1 \n\t"
258 "punpckhbw %%mm7, %%mm3 \n\t"
259 "paddusw %%mm2, %%mm0 \n\t"
260 "paddusw %%mm3, %%mm1 \n\t"
261 "paddusw %%mm6, %%mm4 \n\t"
262 "paddusw %%mm6, %%mm5 \n\t"
263 "paddusw %%mm0, %%mm4 \n\t"
264 "paddusw %%mm1, %%mm5 \n\t"
265 "psrlw $2, %%mm4 \n\t"
266 "psrlw $2, %%mm5 \n\t"
267 "packuswb %%mm5, %%mm4 \n\t"
268 "movq %%mm4, (%2, %%"REG_a
") \n\t"
269 "add %3, %%"REG_a
" \n\t"
271 "movq (%1, %%"REG_a
"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
272 "movq 1(%1, %%"REG_a
"), %%mm4 \n\t"
273 "movq %%mm2, %%mm3 \n\t"
274 "movq %%mm4, %%mm5 \n\t"
275 "punpcklbw %%mm7, %%mm2 \n\t"
276 "punpcklbw %%mm7, %%mm4 \n\t"
277 "punpckhbw %%mm7, %%mm3 \n\t"
278 "punpckhbw %%mm7, %%mm5 \n\t"
279 "paddusw %%mm2, %%mm4 \n\t"
280 "paddusw %%mm3, %%mm5 \n\t"
281 "paddusw %%mm6, %%mm0 \n\t"
282 "paddusw %%mm6, %%mm1 \n\t"
283 "paddusw %%mm4, %%mm0 \n\t"
284 "paddusw %%mm5, %%mm1 \n\t"
285 "psrlw $2, %%mm0 \n\t"
286 "psrlw $2, %%mm1 \n\t"
287 "packuswb %%mm1, %%mm0 \n\t"
288 "movq %%mm0, (%2, %%"REG_a
") \n\t"
289 "add %3, %%"REG_a
" \n\t"
293 :"+g"(h
), "+S"(pixels
)
294 :"D"(block
), "r"((long)line_size
)
299 static void DEF(avg
, pixels4
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
305 "movd %0, %%mm0 \n\t"
306 "movd %1, %%mm1 \n\t"
307 PAVGB(%%mm0
, %%mm1
, %%mm2
, %%mm6
)
308 "movd %%mm2, %0 \n\t"
318 // in case more speed is needed - unroling would certainly help
319 static void DEF(avg
, pixels8
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
325 "movq %0, %%mm0 \n\t"
326 "movq %1, %%mm1 \n\t"
327 PAVGB(%%mm0
, %%mm1
, %%mm2
, %%mm6
)
328 "movq %%mm2, %0 \n\t"
338 static void DEF(avg
, pixels16
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
344 "movq %0, %%mm0 \n\t"
345 "movq %1, %%mm1 \n\t"
346 PAVGB(%%mm0
, %%mm1
, %%mm2
, %%mm6
)
347 "movq %%mm2, %0 \n\t"
348 "movq 8%0, %%mm0 \n\t"
349 "movq 8%1, %%mm1 \n\t"
350 PAVGB(%%mm0
, %%mm1
, %%mm2
, %%mm6
)
351 "movq %%mm2, 8%0 \n\t"
361 static void DEF(avg
, pixels8_x2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
367 "movq %1, %%mm0 \n\t"
368 "movq 1%1, %%mm1 \n\t"
369 "movq %0, %%mm3 \n\t"
370 PAVGB(%%mm0
, %%mm1
, %%mm2
, %%mm6
)
371 PAVGB(%%mm3
, %%mm2
, %%mm0
, %%mm6
)
372 "movq %%mm0, %0 \n\t"
381 static __attribute__((unused
)) void DEF(avg
, pixels8_l2
)(uint8_t *dst
, uint8_t *src1
, uint8_t *src2
, int dstStride
, int src1Stride
, int h
)
387 "movq %1, %%mm0 \n\t"
388 "movq %2, %%mm1 \n\t"
389 "movq %0, %%mm3 \n\t"
390 PAVGB(%%mm0
, %%mm1
, %%mm2
, %%mm6
)
391 PAVGB(%%mm3
, %%mm2
, %%mm0
, %%mm6
)
392 "movq %%mm0, %0 \n\t"
394 :"m"(*src1
), "m"(*src2
)
402 static void DEF(avg
, pixels16_x2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
408 "movq %1, %%mm0 \n\t"
409 "movq 1%1, %%mm1 \n\t"
410 "movq %0, %%mm3 \n\t"
411 PAVGB(%%mm0
, %%mm1
, %%mm2
, %%mm6
)
412 PAVGB(%%mm3
, %%mm2
, %%mm0
, %%mm6
)
413 "movq %%mm0, %0 \n\t"
414 "movq 8%1, %%mm0 \n\t"
415 "movq 9%1, %%mm1 \n\t"
416 "movq 8%0, %%mm3 \n\t"
417 PAVGB(%%mm0
, %%mm1
, %%mm2
, %%mm6
)
418 PAVGB(%%mm3
, %%mm2
, %%mm0
, %%mm6
)
419 "movq %%mm0, 8%0 \n\t"
428 static __attribute__((unused
)) void DEF(avg
, pixels16_l2
)(uint8_t *dst
, uint8_t *src1
, uint8_t *src2
, int dstStride
, int src1Stride
, int h
)
434 "movq %1, %%mm0 \n\t"
435 "movq %2, %%mm1 \n\t"
436 "movq %0, %%mm3 \n\t"
437 PAVGB(%%mm0
, %%mm1
, %%mm2
, %%mm6
)
438 PAVGB(%%mm3
, %%mm2
, %%mm0
, %%mm6
)
439 "movq %%mm0, %0 \n\t"
440 "movq 8%1, %%mm0 \n\t"
441 "movq 8%2, %%mm1 \n\t"
442 "movq 8%0, %%mm3 \n\t"
443 PAVGB(%%mm0
, %%mm1
, %%mm2
, %%mm6
)
444 PAVGB(%%mm3
, %%mm2
, %%mm0
, %%mm6
)
445 "movq %%mm0, 8%0 \n\t"
447 :"m"(*src1
), "m"(*src2
)
455 static void DEF(avg
, pixels8_y2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
459 "lea (%3, %3), %%"REG_a
" \n\t"
460 "movq (%1), %%mm0 \n\t"
463 "movq (%1, %3), %%mm1 \n\t"
464 "movq (%1, %%"REG_a
"), %%mm2 \n\t"
465 PAVGBP(%%mm1
, %%mm0
, %%mm4
, %%mm2
, %%mm1
, %%mm5
)
466 "movq (%2), %%mm3 \n\t"
467 PAVGB(%%mm3
, %%mm4
, %%mm0
, %%mm6
)
468 "movq (%2, %3), %%mm3 \n\t"
469 PAVGB(%%mm3
, %%mm5
, %%mm1
, %%mm6
)
470 "movq %%mm0, (%2) \n\t"
471 "movq %%mm1, (%2, %3) \n\t"
472 "add %%"REG_a
", %1 \n\t"
473 "add %%"REG_a
", %2 \n\t"
475 "movq (%1, %3), %%mm1 \n\t"
476 "movq (%1, %%"REG_a
"), %%mm0 \n\t"
477 PAVGBP(%%mm1
, %%mm2
, %%mm4
, %%mm0
, %%mm1
, %%mm5
)
478 "movq (%2), %%mm3 \n\t"
479 PAVGB(%%mm3
, %%mm4
, %%mm2
, %%mm6
)
480 "movq (%2, %3), %%mm3 \n\t"
481 PAVGB(%%mm3
, %%mm5
, %%mm1
, %%mm6
)
482 "movq %%mm2, (%2) \n\t"
483 "movq %%mm1, (%2, %3) \n\t"
484 "add %%"REG_a
", %1 \n\t"
485 "add %%"REG_a
", %2 \n\t"
489 :"+g"(h
), "+S"(pixels
), "+D"(block
)
490 :"r"((long)line_size
)
494 // this routine is 'slightly' suboptimal but mostly unused
495 static void DEF(avg
, pixels8_xy2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
)
498 SET_RND(mm6
); // =2 for rnd and =1 for no_rnd version
500 "movq (%1), %%mm0 \n\t"
501 "movq 1(%1), %%mm4 \n\t"
502 "movq %%mm0, %%mm1 \n\t"
503 "movq %%mm4, %%mm5 \n\t"
504 "punpcklbw %%mm7, %%mm0 \n\t"
505 "punpcklbw %%mm7, %%mm4 \n\t"
506 "punpckhbw %%mm7, %%mm1 \n\t"
507 "punpckhbw %%mm7, %%mm5 \n\t"
508 "paddusw %%mm0, %%mm4 \n\t"
509 "paddusw %%mm1, %%mm5 \n\t"
510 "xor %%"REG_a
", %%"REG_a
" \n\t"
514 "movq (%1, %%"REG_a
"), %%mm0 \n\t"
515 "movq 1(%1, %%"REG_a
"), %%mm2 \n\t"
516 "movq %%mm0, %%mm1 \n\t"
517 "movq %%mm2, %%mm3 \n\t"
518 "punpcklbw %%mm7, %%mm0 \n\t"
519 "punpcklbw %%mm7, %%mm2 \n\t"
520 "punpckhbw %%mm7, %%mm1 \n\t"
521 "punpckhbw %%mm7, %%mm3 \n\t"
522 "paddusw %%mm2, %%mm0 \n\t"
523 "paddusw %%mm3, %%mm1 \n\t"
524 "paddusw %%mm6, %%mm4 \n\t"
525 "paddusw %%mm6, %%mm5 \n\t"
526 "paddusw %%mm0, %%mm4 \n\t"
527 "paddusw %%mm1, %%mm5 \n\t"
528 "psrlw $2, %%mm4 \n\t"
529 "psrlw $2, %%mm5 \n\t"
530 "movq (%2, %%"REG_a
"), %%mm3 \n\t"
531 "packuswb %%mm5, %%mm4 \n\t"
532 "pcmpeqd %%mm2, %%mm2 \n\t"
533 "paddb %%mm2, %%mm2 \n\t"
534 PAVGB(%%mm3
, %%mm4
, %%mm5
, %%mm2
)
535 "movq %%mm5, (%2, %%"REG_a
") \n\t"
536 "add %3, %%"REG_a
" \n\t"
538 "movq (%1, %%"REG_a
"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
539 "movq 1(%1, %%"REG_a
"), %%mm4 \n\t"
540 "movq %%mm2, %%mm3 \n\t"
541 "movq %%mm4, %%mm5 \n\t"
542 "punpcklbw %%mm7, %%mm2 \n\t"
543 "punpcklbw %%mm7, %%mm4 \n\t"
544 "punpckhbw %%mm7, %%mm3 \n\t"
545 "punpckhbw %%mm7, %%mm5 \n\t"
546 "paddusw %%mm2, %%mm4 \n\t"
547 "paddusw %%mm3, %%mm5 \n\t"
548 "paddusw %%mm6, %%mm0 \n\t"
549 "paddusw %%mm6, %%mm1 \n\t"
550 "paddusw %%mm4, %%mm0 \n\t"
551 "paddusw %%mm5, %%mm1 \n\t"
552 "psrlw $2, %%mm0 \n\t"
553 "psrlw $2, %%mm1 \n\t"
554 "movq (%2, %%"REG_a
"), %%mm3 \n\t"
555 "packuswb %%mm1, %%mm0 \n\t"
556 "pcmpeqd %%mm2, %%mm2 \n\t"
557 "paddb %%mm2, %%mm2 \n\t"
558 PAVGB(%%mm3
, %%mm0
, %%mm1
, %%mm2
)
559 "movq %%mm1, (%2, %%"REG_a
") \n\t"
560 "add %3, %%"REG_a
" \n\t"
564 :"+g"(h
), "+S"(pixels
)
565 :"D"(block
), "r"((long)line_size
)
570 static void DEF(put
, pixels16_y2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
){
571 DEF(put
, pixels8_y2
)(block
, pixels
, line_size
, h
);
572 DEF(put
, pixels8_y2
)(block
+8, pixels
+8, line_size
, h
);
575 static void DEF(put
, pixels16_xy2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
){
576 DEF(put
, pixels8_xy2
)(block
, pixels
, line_size
, h
);
577 DEF(put
, pixels8_xy2
)(block
+8, pixels
+8, line_size
, h
);
580 static void DEF(avg
, pixels16_y2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
){
581 DEF(avg
, pixels8_y2
)(block
, pixels
, line_size
, h
);
582 DEF(avg
, pixels8_y2
)(block
+8, pixels
+8, line_size
, h
);
585 static void DEF(avg
, pixels16_xy2
)(uint8_t *block
, const uint8_t *pixels
, int line_size
, int h
){
586 DEF(avg
, pixels8_xy2
)(block
, pixels
, line_size
, h
);
587 DEF(avg
, pixels8_xy2
)(block
+8, pixels
+8, line_size
, h
);