2 * MMX optimized DSP utils
3 * Copyright (c) 2000, 2001 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
8 * This file is part of FFmpeg.
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include "libavutil/attributes.h"
26 #include "libavutil/cpu.h"
27 #include "libavutil/x86/asm.h"
28 #include "libavutil/x86/cpu.h"
29 #include "libavcodec/dct.h"
30 #include "libavcodec/dsputil.h"
31 #include "libavcodec/mpegvideo.h"
32 #include "libavcodec/mathops.h"
33 #include "dsputil_x86.h"
35 void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size);
36 void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, int line_size);
37 void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, int stride);
38 int ff_pix_sum16_mmx(uint8_t * pix, int line_size);
39 int ff_pix_norm1_mmx(uint8_t *pix, int line_size);
43 static int sse8_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
48 "pxor %%mm0,%%mm0\n" /* mm0 = 0 */
49 "pxor %%mm7,%%mm7\n" /* mm7 holds the sum */
51 "movq (%0),%%mm1\n" /* mm1 = pix1[0][0-7] */
52 "movq (%1),%%mm2\n" /* mm2 = pix2[0][0-7] */
53 "movq (%0,%3),%%mm3\n" /* mm3 = pix1[1][0-7] */
54 "movq (%1,%3),%%mm4\n" /* mm4 = pix2[1][0-7] */
56 /* todo: mm1-mm2, mm3-mm4 */
57 /* algo: subtract mm1 from mm2 with saturation and vice versa */
58 /* OR the results to get absolute difference */
61 "psubusb %%mm2,%%mm1\n"
62 "psubusb %%mm4,%%mm3\n"
63 "psubusb %%mm5,%%mm2\n"
64 "psubusb %%mm6,%%mm4\n"
69 /* now convert to 16-bit vectors so we can square them */
73 "punpckhbw %%mm0,%%mm2\n"
74 "punpckhbw %%mm0,%%mm4\n"
75 "punpcklbw %%mm0,%%mm1\n" /* mm1 now spread over (mm1,mm2) */
76 "punpcklbw %%mm0,%%mm3\n" /* mm4 now spread over (mm3,mm4) */
78 "pmaddwd %%mm2,%%mm2\n"
79 "pmaddwd %%mm4,%%mm4\n"
80 "pmaddwd %%mm1,%%mm1\n"
81 "pmaddwd %%mm3,%%mm3\n"
83 "lea (%0,%3,2), %0\n" /* pix1 += 2*line_size */
84 "lea (%1,%3,2), %1\n" /* pix2 += 2*line_size */
95 "psrlq $32, %%mm7\n" /* shift hi dword to lo */
98 : "+r" (pix1), "+r" (pix2), "=r"(tmp)
99 : "r" ((x86_reg)line_size) , "m" (h)
104 static int sse16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
108 "pxor %%mm0,%%mm0\n" /* mm0 = 0 */
109 "pxor %%mm7,%%mm7\n" /* mm7 holds the sum */
111 "movq (%0),%%mm1\n" /* mm1 = pix1[0-7] */
112 "movq (%1),%%mm2\n" /* mm2 = pix2[0-7] */
113 "movq 8(%0),%%mm3\n" /* mm3 = pix1[8-15] */
114 "movq 8(%1),%%mm4\n" /* mm4 = pix2[8-15] */
116 /* todo: mm1-mm2, mm3-mm4 */
117 /* algo: subtract mm1 from mm2 with saturation and vice versa */
118 /* OR the results to get absolute difference */
121 "psubusb %%mm2,%%mm1\n"
122 "psubusb %%mm4,%%mm3\n"
123 "psubusb %%mm5,%%mm2\n"
124 "psubusb %%mm6,%%mm4\n"
129 /* now convert to 16-bit vectors so we can square them */
133 "punpckhbw %%mm0,%%mm2\n"
134 "punpckhbw %%mm0,%%mm4\n"
135 "punpcklbw %%mm0,%%mm1\n" /* mm1 now spread over (mm1,mm2) */
136 "punpcklbw %%mm0,%%mm3\n" /* mm4 now spread over (mm3,mm4) */
138 "pmaddwd %%mm2,%%mm2\n"
139 "pmaddwd %%mm4,%%mm4\n"
140 "pmaddwd %%mm1,%%mm1\n"
141 "pmaddwd %%mm3,%%mm3\n"
146 "paddd %%mm2,%%mm1\n"
147 "paddd %%mm4,%%mm3\n"
148 "paddd %%mm1,%%mm7\n"
149 "paddd %%mm3,%%mm7\n"
155 "psrlq $32, %%mm7\n" /* shift hi dword to lo */
156 "paddd %%mm7,%%mm1\n"
158 : "+r" (pix1), "+r" (pix2), "=r"(tmp)
159 : "r" ((x86_reg)line_size) , "m" (h)
164 static int hf_noise8_mmx(uint8_t * pix1, int line_size, int h) {
172 "movq %%mm0, %%mm1\n"
176 "movq %%mm0, %%mm2\n"
177 "movq %%mm1, %%mm3\n"
178 "punpcklbw %%mm7,%%mm0\n"
179 "punpcklbw %%mm7,%%mm1\n"
180 "punpckhbw %%mm7,%%mm2\n"
181 "punpckhbw %%mm7,%%mm3\n"
182 "psubw %%mm1, %%mm0\n"
183 "psubw %%mm3, %%mm2\n"
188 "movq %%mm4, %%mm1\n"
192 "movq %%mm4, %%mm5\n"
193 "movq %%mm1, %%mm3\n"
194 "punpcklbw %%mm7,%%mm4\n"
195 "punpcklbw %%mm7,%%mm1\n"
196 "punpckhbw %%mm7,%%mm5\n"
197 "punpckhbw %%mm7,%%mm3\n"
198 "psubw %%mm1, %%mm4\n"
199 "psubw %%mm3, %%mm5\n"
200 "psubw %%mm4, %%mm0\n"
201 "psubw %%mm5, %%mm2\n"
202 "pxor %%mm3, %%mm3\n"
203 "pxor %%mm1, %%mm1\n"
204 "pcmpgtw %%mm0, %%mm3\n\t"
205 "pcmpgtw %%mm2, %%mm1\n\t"
206 "pxor %%mm3, %%mm0\n"
207 "pxor %%mm1, %%mm2\n"
208 "psubw %%mm3, %%mm0\n"
209 "psubw %%mm1, %%mm2\n"
210 "paddw %%mm0, %%mm2\n"
211 "paddw %%mm2, %%mm6\n"
217 "movq %%mm0, %%mm1\n"
221 "movq %%mm0, %%mm2\n"
222 "movq %%mm1, %%mm3\n"
223 "punpcklbw %%mm7,%%mm0\n"
224 "punpcklbw %%mm7,%%mm1\n"
225 "punpckhbw %%mm7,%%mm2\n"
226 "punpckhbw %%mm7,%%mm3\n"
227 "psubw %%mm1, %%mm0\n"
228 "psubw %%mm3, %%mm2\n"
229 "psubw %%mm0, %%mm4\n"
230 "psubw %%mm2, %%mm5\n"
231 "pxor %%mm3, %%mm3\n"
232 "pxor %%mm1, %%mm1\n"
233 "pcmpgtw %%mm4, %%mm3\n\t"
234 "pcmpgtw %%mm5, %%mm1\n\t"
235 "pxor %%mm3, %%mm4\n"
236 "pxor %%mm1, %%mm5\n"
237 "psubw %%mm3, %%mm4\n"
238 "psubw %%mm1, %%mm5\n"
239 "paddw %%mm4, %%mm5\n"
240 "paddw %%mm5, %%mm6\n"
245 "movq %%mm4, %%mm1\n"
249 "movq %%mm4, %%mm5\n"
250 "movq %%mm1, %%mm3\n"
251 "punpcklbw %%mm7,%%mm4\n"
252 "punpcklbw %%mm7,%%mm1\n"
253 "punpckhbw %%mm7,%%mm5\n"
254 "punpckhbw %%mm7,%%mm3\n"
255 "psubw %%mm1, %%mm4\n"
256 "psubw %%mm3, %%mm5\n"
257 "psubw %%mm4, %%mm0\n"
258 "psubw %%mm5, %%mm2\n"
259 "pxor %%mm3, %%mm3\n"
260 "pxor %%mm1, %%mm1\n"
261 "pcmpgtw %%mm0, %%mm3\n\t"
262 "pcmpgtw %%mm2, %%mm1\n\t"
263 "pxor %%mm3, %%mm0\n"
264 "pxor %%mm1, %%mm2\n"
265 "psubw %%mm3, %%mm0\n"
266 "psubw %%mm1, %%mm2\n"
267 "paddw %%mm0, %%mm2\n"
268 "paddw %%mm2, %%mm6\n"
274 "movq %%mm6, %%mm0\n"
275 "punpcklwd %%mm7,%%mm0\n"
276 "punpckhwd %%mm7,%%mm6\n"
277 "paddd %%mm0, %%mm6\n"
281 "paddd %%mm6,%%mm0\n"
283 : "+r" (pix1), "=r"(tmp)
284 : "r" ((x86_reg)line_size) , "g" (h-2)
289 static int hf_noise16_mmx(uint8_t * pix1, int line_size, int h) {
299 "movq %%mm0, %%mm2\n"
300 "movq %%mm1, %%mm3\n"
301 "punpcklbw %%mm7,%%mm0\n"
302 "punpcklbw %%mm7,%%mm1\n"
303 "punpckhbw %%mm7,%%mm2\n"
304 "punpckhbw %%mm7,%%mm3\n"
305 "psubw %%mm1, %%mm0\n"
306 "psubw %%mm3, %%mm2\n"
312 "movq %%mm4, %%mm5\n"
313 "movq %%mm1, %%mm3\n"
314 "punpcklbw %%mm7,%%mm4\n"
315 "punpcklbw %%mm7,%%mm1\n"
316 "punpckhbw %%mm7,%%mm5\n"
317 "punpckhbw %%mm7,%%mm3\n"
318 "psubw %%mm1, %%mm4\n"
319 "psubw %%mm3, %%mm5\n"
320 "psubw %%mm4, %%mm0\n"
321 "psubw %%mm5, %%mm2\n"
322 "pxor %%mm3, %%mm3\n"
323 "pxor %%mm1, %%mm1\n"
324 "pcmpgtw %%mm0, %%mm3\n\t"
325 "pcmpgtw %%mm2, %%mm1\n\t"
326 "pxor %%mm3, %%mm0\n"
327 "pxor %%mm1, %%mm2\n"
328 "psubw %%mm3, %%mm0\n"
329 "psubw %%mm1, %%mm2\n"
330 "paddw %%mm0, %%mm2\n"
331 "paddw %%mm2, %%mm6\n"
338 "movq %%mm0, %%mm2\n"
339 "movq %%mm1, %%mm3\n"
340 "punpcklbw %%mm7,%%mm0\n"
341 "punpcklbw %%mm7,%%mm1\n"
342 "punpckhbw %%mm7,%%mm2\n"
343 "punpckhbw %%mm7,%%mm3\n"
344 "psubw %%mm1, %%mm0\n"
345 "psubw %%mm3, %%mm2\n"
346 "psubw %%mm0, %%mm4\n"
347 "psubw %%mm2, %%mm5\n"
348 "pxor %%mm3, %%mm3\n"
349 "pxor %%mm1, %%mm1\n"
350 "pcmpgtw %%mm4, %%mm3\n\t"
351 "pcmpgtw %%mm5, %%mm1\n\t"
352 "pxor %%mm3, %%mm4\n"
353 "pxor %%mm1, %%mm5\n"
354 "psubw %%mm3, %%mm4\n"
355 "psubw %%mm1, %%mm5\n"
356 "paddw %%mm4, %%mm5\n"
357 "paddw %%mm5, %%mm6\n"
363 "movq %%mm4, %%mm5\n"
364 "movq %%mm1, %%mm3\n"
365 "punpcklbw %%mm7,%%mm4\n"
366 "punpcklbw %%mm7,%%mm1\n"
367 "punpckhbw %%mm7,%%mm5\n"
368 "punpckhbw %%mm7,%%mm3\n"
369 "psubw %%mm1, %%mm4\n"
370 "psubw %%mm3, %%mm5\n"
371 "psubw %%mm4, %%mm0\n"
372 "psubw %%mm5, %%mm2\n"
373 "pxor %%mm3, %%mm3\n"
374 "pxor %%mm1, %%mm1\n"
375 "pcmpgtw %%mm0, %%mm3\n\t"
376 "pcmpgtw %%mm2, %%mm1\n\t"
377 "pxor %%mm3, %%mm0\n"
378 "pxor %%mm1, %%mm2\n"
379 "psubw %%mm3, %%mm0\n"
380 "psubw %%mm1, %%mm2\n"
381 "paddw %%mm0, %%mm2\n"
382 "paddw %%mm2, %%mm6\n"
388 "movq %%mm6, %%mm0\n"
389 "punpcklwd %%mm7,%%mm0\n"
390 "punpckhwd %%mm7,%%mm6\n"
391 "paddd %%mm0, %%mm6\n"
395 "paddd %%mm6,%%mm0\n"
397 : "+r" (pix1), "=r"(tmp)
398 : "r" ((x86_reg)line_size) , "g" (h-2)
400 return tmp + hf_noise8_mmx(pix+8, line_size, h);
403 static int nsse16_mmx(void *p, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
404 MpegEncContext *c = p;
407 if(c) score1 = c->dsp.sse[0](c, pix1, pix2, line_size, h);
408 else score1 = sse16_mmx(c, pix1, pix2, line_size, h);
409 score2= hf_noise16_mmx(pix1, line_size, h) - hf_noise16_mmx(pix2, line_size, h);
411 if(c) return score1 + FFABS(score2)*c->avctx->nsse_weight;
412 else return score1 + FFABS(score2)*8;
415 static int nsse8_mmx(void *p, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
416 MpegEncContext *c = p;
417 int score1= sse8_mmx(c, pix1, pix2, line_size, h);
418 int score2= hf_noise8_mmx(pix1, line_size, h) - hf_noise8_mmx(pix2, line_size, h);
420 if(c) return score1 + FFABS(score2)*c->avctx->nsse_weight;
421 else return score1 + FFABS(score2)*8;
424 static int vsad_intra16_mmx(void *v, uint8_t * pix, uint8_t * dummy, int line_size, int h) {
427 av_assert2( (((int)pix) & 7) == 0);
428 av_assert2((line_size &7) ==0);
430 #define SUM(in0, in1, out0, out1) \
431 "movq (%0), %%mm2\n"\
432 "movq 8(%0), %%mm3\n"\
434 "movq %%mm2, " #out0 "\n"\
435 "movq %%mm3, " #out1 "\n"\
436 "psubusb " #in0 ", %%mm2\n"\
437 "psubusb " #in1 ", %%mm3\n"\
438 "psubusb " #out0 ", " #in0 "\n"\
439 "psubusb " #out1 ", " #in1 "\n"\
440 "por %%mm2, " #in0 "\n"\
441 "por %%mm3, " #in1 "\n"\
442 "movq " #in0 ", %%mm2\n"\
443 "movq " #in1 ", %%mm3\n"\
444 "punpcklbw %%mm7, " #in0 "\n"\
445 "punpcklbw %%mm7, " #in1 "\n"\
446 "punpckhbw %%mm7, %%mm2\n"\
447 "punpckhbw %%mm7, %%mm3\n"\
448 "paddw " #in1 ", " #in0 "\n"\
449 "paddw %%mm3, %%mm2\n"\
450 "paddw %%mm2, " #in0 "\n"\
451 "paddw " #in0 ", %%mm6\n"
464 SUM(%%mm4, %%mm5, %%mm0, %%mm1)
466 SUM(%%mm0, %%mm1, %%mm4, %%mm5)
473 "paddw %%mm6,%%mm0\n"
476 "paddw %%mm6,%%mm0\n"
478 : "+r" (pix), "=r"(tmp)
479 : "r" ((x86_reg)line_size) , "m" (h)
485 static int vsad_intra16_mmxext(void *v, uint8_t *pix, uint8_t *dummy,
486 int line_size, int h)
490 av_assert2( (((int)pix) & 7) == 0);
491 av_assert2((line_size &7) ==0);
493 #define SUM(in0, in1, out0, out1) \
494 "movq (%0), " #out0 "\n"\
495 "movq 8(%0), " #out1 "\n"\
497 "psadbw " #out0 ", " #in0 "\n"\
498 "psadbw " #out1 ", " #in1 "\n"\
499 "paddw " #in1 ", " #in0 "\n"\
500 "paddw " #in0 ", %%mm6\n"
512 SUM(%%mm4, %%mm5, %%mm0, %%mm1)
514 SUM(%%mm0, %%mm1, %%mm4, %%mm5)
520 : "+r" (pix), "=r"(tmp)
521 : "r" ((x86_reg)line_size) , "m" (h)
527 static int vsad16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
530 av_assert2( (((int)pix1) & 7) == 0);
531 av_assert2( (((int)pix2) & 7) == 0);
532 av_assert2((line_size &7) ==0);
534 #define SUM(in0, in1, out0, out1) \
536 "movq (%1)," #out0 "\n"\
537 "movq 8(%0),%%mm3\n"\
538 "movq 8(%1)," #out1 "\n"\
541 "psubb " #out0 ", %%mm2\n"\
542 "psubb " #out1 ", %%mm3\n"\
543 "pxor %%mm7, %%mm2\n"\
544 "pxor %%mm7, %%mm3\n"\
545 "movq %%mm2, " #out0 "\n"\
546 "movq %%mm3, " #out1 "\n"\
547 "psubusb " #in0 ", %%mm2\n"\
548 "psubusb " #in1 ", %%mm3\n"\
549 "psubusb " #out0 ", " #in0 "\n"\
550 "psubusb " #out1 ", " #in1 "\n"\
551 "por %%mm2, " #in0 "\n"\
552 "por %%mm3, " #in1 "\n"\
553 "movq " #in0 ", %%mm2\n"\
554 "movq " #in1 ", %%mm3\n"\
555 "punpcklbw %%mm7, " #in0 "\n"\
556 "punpcklbw %%mm7, " #in1 "\n"\
557 "punpckhbw %%mm7, %%mm2\n"\
558 "punpckhbw %%mm7, %%mm3\n"\
559 "paddw " #in1 ", " #in0 "\n"\
560 "paddw %%mm3, %%mm2\n"\
561 "paddw %%mm2, " #in0 "\n"\
562 "paddw " #in0 ", %%mm6\n"
568 "pcmpeqw %%mm7,%%mm7\n"
570 "packsswb %%mm7, %%mm7\n"
577 "psubb %%mm2, %%mm0\n"
578 "psubb %%mm3, %%mm1\n"
579 "pxor %%mm7, %%mm0\n"
580 "pxor %%mm7, %%mm1\n"
584 SUM(%%mm4, %%mm5, %%mm0, %%mm1)
586 SUM(%%mm0, %%mm1, %%mm4, %%mm5)
593 "paddw %%mm6,%%mm0\n"
596 "paddw %%mm6,%%mm0\n"
598 : "+r" (pix1), "+r" (pix2), "=r"(tmp)
599 : "r" ((x86_reg)line_size) , "m" (h)
605 static int vsad16_mmxext(void *v, uint8_t *pix1, uint8_t *pix2,
606 int line_size, int h)
610 av_assert2( (((int)pix1) & 7) == 0);
611 av_assert2( (((int)pix2) & 7) == 0);
612 av_assert2((line_size &7) ==0);
614 #define SUM(in0, in1, out0, out1) \
615 "movq (%0)," #out0 "\n"\
617 "movq 8(%0)," #out1 "\n"\
618 "movq 8(%1),%%mm3\n"\
621 "psubb %%mm2, " #out0 "\n"\
622 "psubb %%mm3, " #out1 "\n"\
623 "pxor %%mm7, " #out0 "\n"\
624 "pxor %%mm7, " #out1 "\n"\
625 "psadbw " #out0 ", " #in0 "\n"\
626 "psadbw " #out1 ", " #in1 "\n"\
627 "paddw " #in1 ", " #in0 "\n"\
628 "paddw " #in0 ", %%mm6\n"
633 "pcmpeqw %%mm7,%%mm7\n"
635 "packsswb %%mm7, %%mm7\n"
642 "psubb %%mm2, %%mm0\n"
643 "psubb %%mm3, %%mm1\n"
644 "pxor %%mm7, %%mm0\n"
645 "pxor %%mm7, %%mm1\n"
649 SUM(%%mm4, %%mm5, %%mm0, %%mm1)
651 SUM(%%mm0, %%mm1, %%mm4, %%mm5)
657 : "+r" (pix1), "+r" (pix2), "=r"(tmp)
658 : "r" ((x86_reg)line_size) , "m" (h)
664 static void diff_bytes_mmx(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w){
669 "movq (%2, %0), %%mm0 \n\t"
670 "movq (%1, %0), %%mm1 \n\t"
671 "psubb %%mm0, %%mm1 \n\t"
672 "movq %%mm1, (%3, %0) \n\t"
673 "movq 8(%2, %0), %%mm0 \n\t"
674 "movq 8(%1, %0), %%mm1 \n\t"
675 "psubb %%mm0, %%mm1 \n\t"
676 "movq %%mm1, 8(%3, %0) \n\t"
681 : "r"(src1), "r"(src2), "r"(dst), "r"((x86_reg)w-15)
684 dst[i+0] = src1[i+0]-src2[i+0];
687 static void sub_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *src1,
688 const uint8_t *src2, int w,
689 int *left, int *left_top)
695 "movq (%1, %0), %%mm0 \n\t" // LT
696 "psllq $8, %%mm0 \n\t"
698 "movq (%1, %0), %%mm1 \n\t" // T
699 "movq -1(%2, %0), %%mm2 \n\t" // L
700 "movq (%2, %0), %%mm3 \n\t" // X
701 "movq %%mm2, %%mm4 \n\t" // L
702 "psubb %%mm0, %%mm2 \n\t"
703 "paddb %%mm1, %%mm2 \n\t" // L + T - LT
704 "movq %%mm4, %%mm5 \n\t" // L
705 "pmaxub %%mm1, %%mm4 \n\t" // max(T, L)
706 "pminub %%mm5, %%mm1 \n\t" // min(T, L)
707 "pminub %%mm2, %%mm4 \n\t"
708 "pmaxub %%mm1, %%mm4 \n\t"
709 "psubb %%mm4, %%mm3 \n\t" // dst - pred
710 "movq %%mm3, (%3, %0) \n\t"
712 "movq -1(%1, %0), %%mm0 \n\t" // LT
716 : "r"(src1), "r"(src2), "r"(dst), "r"((x86_reg)w)
722 dst[0]= src2[0] - mid_pred(l, src1[0], (l + src1[0] - lt)&0xFF);
724 *left_top= src1[w-1];
728 #define MMABS_MMX(a,z)\
729 "pxor " #z ", " #z " \n\t"\
730 "pcmpgtw " #a ", " #z " \n\t"\
731 "pxor " #z ", " #a " \n\t"\
732 "psubw " #z ", " #a " \n\t"
734 #define MMABS_MMXEXT(a, z) \
735 "pxor " #z ", " #z " \n\t"\
736 "psubw " #a ", " #z " \n\t"\
737 "pmaxsw " #z ", " #a " \n\t"
739 #define MMABS_SSSE3(a,z)\
740 "pabsw " #a ", " #a " \n\t"
742 #define MMABS_SUM(a,z, sum)\
744 "paddusw " #a ", " #sum " \n\t"
746 /* FIXME: HSUM_* saturates at 64k, while an 8x8 hadamard or dct block can get up to
747 * about 100k on extreme inputs. But that's very unlikely to occur in natural video,
748 * and it's even more unlikely to not have any alternative mvs/modes with lower cost. */
749 #define HSUM_MMX(a, t, dst)\
750 "movq "#a", "#t" \n\t"\
751 "psrlq $32, "#a" \n\t"\
752 "paddusw "#t", "#a" \n\t"\
753 "movq "#a", "#t" \n\t"\
754 "psrlq $16, "#a" \n\t"\
755 "paddusw "#t", "#a" \n\t"\
756 "movd "#a", "#dst" \n\t"\
758 #define HSUM_MMXEXT(a, t, dst) \
759 "pshufw $0x0E, "#a", "#t" \n\t"\
760 "paddusw "#t", "#a" \n\t"\
761 "pshufw $0x01, "#a", "#t" \n\t"\
762 "paddusw "#t", "#a" \n\t"\
763 "movd "#a", "#dst" \n\t"\
765 #define HSUM_SSE2(a, t, dst)\
766 "movhlps "#a", "#t" \n\t"\
767 "paddusw "#t", "#a" \n\t"\
768 "pshuflw $0x0E, "#a", "#t" \n\t"\
769 "paddusw "#t", "#a" \n\t"\
770 "pshuflw $0x01, "#a", "#t" \n\t"\
771 "paddusw "#t", "#a" \n\t"\
772 "movd "#a", "#dst" \n\t"\
774 #define DCT_SAD4(m,mm,o)\
775 "mov"#m" "#o"+ 0(%1), "#mm"2 \n\t"\
776 "mov"#m" "#o"+16(%1), "#mm"3 \n\t"\
777 "mov"#m" "#o"+32(%1), "#mm"4 \n\t"\
778 "mov"#m" "#o"+48(%1), "#mm"5 \n\t"\
779 MMABS_SUM(mm##2, mm##6, mm##0)\
780 MMABS_SUM(mm##3, mm##7, mm##1)\
781 MMABS_SUM(mm##4, mm##6, mm##0)\
782 MMABS_SUM(mm##5, mm##7, mm##1)\
785 "pxor %%mm0, %%mm0 \n\t"\
786 "pxor %%mm1, %%mm1 \n\t"\
787 DCT_SAD4(q, %%mm, 0)\
788 DCT_SAD4(q, %%mm, 8)\
789 DCT_SAD4(q, %%mm, 64)\
790 DCT_SAD4(q, %%mm, 72)\
791 "paddusw %%mm1, %%mm0 \n\t"\
792 HSUM(%%mm0, %%mm1, %0)
794 #define DCT_SAD_SSE2\
795 "pxor %%xmm0, %%xmm0 \n\t"\
796 "pxor %%xmm1, %%xmm1 \n\t"\
797 DCT_SAD4(dqa, %%xmm, 0)\
798 DCT_SAD4(dqa, %%xmm, 64)\
799 "paddusw %%xmm1, %%xmm0 \n\t"\
800 HSUM(%%xmm0, %%xmm1, %0)
802 #define DCT_SAD_FUNC(cpu) \
803 static int sum_abs_dctelem_##cpu(int16_t *block){\
813 #define DCT_SAD DCT_SAD_MMX
814 #define HSUM(a,t,dst) HSUM_MMX(a,t,dst)
815 #define MMABS(a,z) MMABS_MMX(a,z)
820 #define HSUM(a,t,dst) HSUM_MMXEXT(a,t,dst)
821 #define MMABS(a,z) MMABS_MMXEXT(a,z)
826 #define DCT_SAD DCT_SAD_SSE2
827 #define HSUM(a,t,dst) HSUM_SSE2(a,t,dst)
831 #if HAVE_SSSE3_INLINE
832 #define MMABS(a,z) MMABS_SSSE3(a,z)
839 static int ssd_int8_vs_int16_mmx(const int8_t *pix1, const int16_t *pix2, int size){
843 "pxor %%mm4, %%mm4 \n"
846 "movq (%2,%0), %%mm2 \n"
847 "movq (%3,%0,2), %%mm0 \n"
848 "movq 8(%3,%0,2), %%mm1 \n"
849 "punpckhbw %%mm2, %%mm3 \n"
850 "punpcklbw %%mm2, %%mm2 \n"
853 "psubw %%mm3, %%mm1 \n"
854 "psubw %%mm2, %%mm0 \n"
855 "pmaddwd %%mm1, %%mm1 \n"
856 "pmaddwd %%mm0, %%mm0 \n"
857 "paddd %%mm1, %%mm4 \n"
858 "paddd %%mm0, %%mm4 \n"
860 "movq %%mm4, %%mm3 \n"
861 "psrlq $32, %%mm3 \n"
862 "paddd %%mm3, %%mm4 \n"
865 :"r"(pix1), "r"(pix2)
870 #define PHADDD(a, t)\
871 "movq "#a", "#t" \n\t"\
872 "psrlq $32, "#a" \n\t"\
873 "paddd "#t", "#a" \n\t"
875 pmulhw: dst[0-15]=(src[0-15]*dst[0-15])[16-31]
876 pmulhrw: dst[0-15]=(src[0-15]*dst[0-15] + 0x8000)[16-31]
877 pmulhrsw: dst[0-15]=(src[0-15]*dst[0-15] + 0x4000)[15-30]
879 #define PMULHRW(x, y, s, o)\
880 "pmulhw " #s ", "#x " \n\t"\
881 "pmulhw " #s ", "#y " \n\t"\
882 "paddw " #o ", "#x " \n\t"\
883 "paddw " #o ", "#y " \n\t"\
884 "psraw $1, "#x " \n\t"\
885 "psraw $1, "#y " \n\t"
886 #define DEF(x) x ## _mmx
887 #define SET_RND MOVQ_WONE
888 #define SCALE_OFFSET 1
890 #include "dsputil_qns_template.c"
897 #define DEF(x) x ## _3dnow
899 #define SCALE_OFFSET 0
900 #define PMULHRW(x, y, s, o)\
901 "pmulhrw " #s ", "#x " \n\t"\
902 "pmulhrw " #s ", "#y " \n\t"
904 #include "dsputil_qns_template.c"
911 #if HAVE_SSSE3_INLINE
913 #define DEF(x) x ## _ssse3
915 #define SCALE_OFFSET -1
916 #define PHADDD(a, t)\
917 "pshufw $0x0E, "#a", "#t" \n\t"\
918 "paddd "#t", "#a" \n\t" /* faster than phaddd on core2 */
919 #define PMULHRW(x, y, s, o)\
920 "pmulhrsw " #s ", "#x " \n\t"\
921 "pmulhrsw " #s ", "#y " \n\t"
923 #include "dsputil_qns_template.c"
930 #endif /* HAVE_SSSE3_INLINE */
932 #endif /* HAVE_INLINE_ASM */
934 int ff_sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h);
936 #define hadamard_func(cpu) \
937 int ff_hadamard8_diff_##cpu (void *s, uint8_t *src1, uint8_t *src2, \
938 int stride, int h); \
939 int ff_hadamard8_diff16_##cpu(void *s, uint8_t *src1, uint8_t *src2, \
943 hadamard_func(mmxext)
947 av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx)
949 int cpu_flags = av_get_cpu_flags();
950 const int dct_algo = avctx->dct_algo;
953 int bit_depth = avctx->bits_per_raw_sample;
955 if (EXTERNAL_MMX(cpu_flags)) {
957 c->get_pixels = ff_get_pixels_mmx;
958 c->diff_pixels = ff_diff_pixels_mmx;
959 c->pix_sum = ff_pix_sum16_mmx;
961 c->pix_norm1 = ff_pix_norm1_mmx;
963 if (EXTERNAL_SSE2(cpu_flags))
965 c->get_pixels = ff_get_pixels_sse2;
966 #endif /* HAVE_YASM */
969 if (INLINE_MMX(cpu_flags)) {
970 if (avctx->bits_per_raw_sample <= 8 &&
971 (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX))
972 c->fdct = ff_fdct_mmx;
974 c->diff_bytes= diff_bytes_mmx;
975 c->sum_abs_dctelem= sum_abs_dctelem_mmx;
977 c->sse[0] = sse16_mmx;
978 c->sse[1] = sse8_mmx;
979 c->vsad[4]= vsad_intra16_mmx;
981 c->nsse[0] = nsse16_mmx;
982 c->nsse[1] = nsse8_mmx;
983 if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
984 c->vsad[0] = vsad16_mmx;
987 if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
988 c->try_8x8basis= try_8x8basis_mmx;
990 c->add_8x8basis= add_8x8basis_mmx;
992 c->ssd_int8_vs_int16 = ssd_int8_vs_int16_mmx;
995 if (INLINE_AMD3DNOW(cpu_flags)) {
996 if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
997 c->try_8x8basis = try_8x8basis_3dnow;
999 c->add_8x8basis = add_8x8basis_3dnow;
1002 if (INLINE_MMXEXT(cpu_flags)) {
1003 if (avctx->bits_per_raw_sample <= 8 &&
1004 (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX))
1005 c->fdct = ff_fdct_mmxext;
1007 c->sum_abs_dctelem = sum_abs_dctelem_mmxext;
1008 c->vsad[4] = vsad_intra16_mmxext;
1010 if (!(avctx->flags & CODEC_FLAG_BITEXACT)){
1011 c->vsad[0] = vsad16_mmxext;
1014 c->sub_hfyu_median_prediction = sub_hfyu_median_prediction_mmxext;
1017 if (INLINE_SSE2(cpu_flags)) {
1018 if (avctx->bits_per_raw_sample <= 8 &&
1019 (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX))
1020 c->fdct = ff_fdct_sse2;
1022 c->sum_abs_dctelem= sum_abs_dctelem_sse2;
1025 #if HAVE_SSSE3_INLINE
1026 if (INLINE_SSSE3(cpu_flags)) {
1027 if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
1028 c->try_8x8basis = try_8x8basis_ssse3;
1030 c->add_8x8basis = add_8x8basis_ssse3;
1031 c->sum_abs_dctelem = sum_abs_dctelem_ssse3;
1034 #endif /* HAVE_INLINE_ASM */
1036 if (EXTERNAL_MMX(cpu_flags)) {
1037 c->hadamard8_diff[0] = ff_hadamard8_diff16_mmx;
1038 c->hadamard8_diff[1] = ff_hadamard8_diff_mmx;
1041 if (EXTERNAL_MMXEXT(cpu_flags)) {
1042 c->hadamard8_diff[0] = ff_hadamard8_diff16_mmxext;
1043 c->hadamard8_diff[1] = ff_hadamard8_diff_mmxext;
1046 if (EXTERNAL_SSE2(cpu_flags)) {
1047 c->sse[0] = ff_sse16_sse2;
1049 #if HAVE_ALIGNED_STACK
1050 c->hadamard8_diff[0] = ff_hadamard8_diff16_sse2;
1051 c->hadamard8_diff[1] = ff_hadamard8_diff_sse2;
1055 if (EXTERNAL_SSSE3(cpu_flags) && HAVE_ALIGNED_STACK) {
1056 c->hadamard8_diff[0] = ff_hadamard8_diff16_ssse3;
1057 c->hadamard8_diff[1] = ff_hadamard8_diff_ssse3;
1060 ff_dsputil_init_pix_mmx(c, avctx);