2 * This file is part of Libav.
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #include "libavutil/attributes.h"
21 #include "copy_block.h"
22 #include "simple_idct.h"
24 #include "mpegvideo.h"
27 uint32_t ff_square_tab[512] = { 0, };
29 static int sse4_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
30 ptrdiff_t stride, int h)
33 uint32_t *sq = ff_square_tab + 256;
35 for (i = 0; i < h; i++) {
36 s += sq[pix1[0] - pix2[0]];
37 s += sq[pix1[1] - pix2[1]];
38 s += sq[pix1[2] - pix2[2]];
39 s += sq[pix1[3] - pix2[3]];
46 static int sse8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
47 ptrdiff_t stride, int h)
50 uint32_t *sq = ff_square_tab + 256;
52 for (i = 0; i < h; i++) {
53 s += sq[pix1[0] - pix2[0]];
54 s += sq[pix1[1] - pix2[1]];
55 s += sq[pix1[2] - pix2[2]];
56 s += sq[pix1[3] - pix2[3]];
57 s += sq[pix1[4] - pix2[4]];
58 s += sq[pix1[5] - pix2[5]];
59 s += sq[pix1[6] - pix2[6]];
60 s += sq[pix1[7] - pix2[7]];
67 static int sse16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
68 ptrdiff_t stride, int h)
71 uint32_t *sq = ff_square_tab + 256;
73 for (i = 0; i < h; i++) {
74 s += sq[pix1[0] - pix2[0]];
75 s += sq[pix1[1] - pix2[1]];
76 s += sq[pix1[2] - pix2[2]];
77 s += sq[pix1[3] - pix2[3]];
78 s += sq[pix1[4] - pix2[4]];
79 s += sq[pix1[5] - pix2[5]];
80 s += sq[pix1[6] - pix2[6]];
81 s += sq[pix1[7] - pix2[7]];
82 s += sq[pix1[8] - pix2[8]];
83 s += sq[pix1[9] - pix2[9]];
84 s += sq[pix1[10] - pix2[10]];
85 s += sq[pix1[11] - pix2[11]];
86 s += sq[pix1[12] - pix2[12]];
87 s += sq[pix1[13] - pix2[13]];
88 s += sq[pix1[14] - pix2[14]];
89 s += sq[pix1[15] - pix2[15]];
97 static int sum_abs_dctelem_c(int16_t *block)
101 for (i = 0; i < 64; i++)
102 sum += FFABS(block[i]);
106 #define avg2(a, b) ((a + b + 1) >> 1)
107 #define avg4(a, b, c, d) ((a + b + c + d + 2) >> 2)
109 static inline int pix_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
110 ptrdiff_t stride, int h)
114 for (i = 0; i < h; i++) {
115 s += abs(pix1[0] - pix2[0]);
116 s += abs(pix1[1] - pix2[1]);
117 s += abs(pix1[2] - pix2[2]);
118 s += abs(pix1[3] - pix2[3]);
119 s += abs(pix1[4] - pix2[4]);
120 s += abs(pix1[5] - pix2[5]);
121 s += abs(pix1[6] - pix2[6]);
122 s += abs(pix1[7] - pix2[7]);
123 s += abs(pix1[8] - pix2[8]);
124 s += abs(pix1[9] - pix2[9]);
125 s += abs(pix1[10] - pix2[10]);
126 s += abs(pix1[11] - pix2[11]);
127 s += abs(pix1[12] - pix2[12]);
128 s += abs(pix1[13] - pix2[13]);
129 s += abs(pix1[14] - pix2[14]);
130 s += abs(pix1[15] - pix2[15]);
137 static int pix_abs16_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
138 ptrdiff_t stride, int h)
142 for (i = 0; i < h; i++) {
143 s += abs(pix1[0] - avg2(pix2[0], pix2[1]));
144 s += abs(pix1[1] - avg2(pix2[1], pix2[2]));
145 s += abs(pix1[2] - avg2(pix2[2], pix2[3]));
146 s += abs(pix1[3] - avg2(pix2[3], pix2[4]));
147 s += abs(pix1[4] - avg2(pix2[4], pix2[5]));
148 s += abs(pix1[5] - avg2(pix2[5], pix2[6]));
149 s += abs(pix1[6] - avg2(pix2[6], pix2[7]));
150 s += abs(pix1[7] - avg2(pix2[7], pix2[8]));
151 s += abs(pix1[8] - avg2(pix2[8], pix2[9]));
152 s += abs(pix1[9] - avg2(pix2[9], pix2[10]));
153 s += abs(pix1[10] - avg2(pix2[10], pix2[11]));
154 s += abs(pix1[11] - avg2(pix2[11], pix2[12]));
155 s += abs(pix1[12] - avg2(pix2[12], pix2[13]));
156 s += abs(pix1[13] - avg2(pix2[13], pix2[14]));
157 s += abs(pix1[14] - avg2(pix2[14], pix2[15]));
158 s += abs(pix1[15] - avg2(pix2[15], pix2[16]));
165 static int pix_abs16_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
166 ptrdiff_t stride, int h)
169 uint8_t *pix3 = pix2 + stride;
171 for (i = 0; i < h; i++) {
172 s += abs(pix1[0] - avg2(pix2[0], pix3[0]));
173 s += abs(pix1[1] - avg2(pix2[1], pix3[1]));
174 s += abs(pix1[2] - avg2(pix2[2], pix3[2]));
175 s += abs(pix1[3] - avg2(pix2[3], pix3[3]));
176 s += abs(pix1[4] - avg2(pix2[4], pix3[4]));
177 s += abs(pix1[5] - avg2(pix2[5], pix3[5]));
178 s += abs(pix1[6] - avg2(pix2[6], pix3[6]));
179 s += abs(pix1[7] - avg2(pix2[7], pix3[7]));
180 s += abs(pix1[8] - avg2(pix2[8], pix3[8]));
181 s += abs(pix1[9] - avg2(pix2[9], pix3[9]));
182 s += abs(pix1[10] - avg2(pix2[10], pix3[10]));
183 s += abs(pix1[11] - avg2(pix2[11], pix3[11]));
184 s += abs(pix1[12] - avg2(pix2[12], pix3[12]));
185 s += abs(pix1[13] - avg2(pix2[13], pix3[13]));
186 s += abs(pix1[14] - avg2(pix2[14], pix3[14]));
187 s += abs(pix1[15] - avg2(pix2[15], pix3[15]));
195 static int pix_abs16_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
196 ptrdiff_t stride, int h)
199 uint8_t *pix3 = pix2 + stride;
201 for (i = 0; i < h; i++) {
202 s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));
203 s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));
204 s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));
205 s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));
206 s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));
207 s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));
208 s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));
209 s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));
210 s += abs(pix1[8] - avg4(pix2[8], pix2[9], pix3[8], pix3[9]));
211 s += abs(pix1[9] - avg4(pix2[9], pix2[10], pix3[9], pix3[10]));
212 s += abs(pix1[10] - avg4(pix2[10], pix2[11], pix3[10], pix3[11]));
213 s += abs(pix1[11] - avg4(pix2[11], pix2[12], pix3[11], pix3[12]));
214 s += abs(pix1[12] - avg4(pix2[12], pix2[13], pix3[12], pix3[13]));
215 s += abs(pix1[13] - avg4(pix2[13], pix2[14], pix3[13], pix3[14]));
216 s += abs(pix1[14] - avg4(pix2[14], pix2[15], pix3[14], pix3[15]));
217 s += abs(pix1[15] - avg4(pix2[15], pix2[16], pix3[15], pix3[16]));
225 static inline int pix_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
226 ptrdiff_t stride, int h)
230 for (i = 0; i < h; i++) {
231 s += abs(pix1[0] - pix2[0]);
232 s += abs(pix1[1] - pix2[1]);
233 s += abs(pix1[2] - pix2[2]);
234 s += abs(pix1[3] - pix2[3]);
235 s += abs(pix1[4] - pix2[4]);
236 s += abs(pix1[5] - pix2[5]);
237 s += abs(pix1[6] - pix2[6]);
238 s += abs(pix1[7] - pix2[7]);
245 static int pix_abs8_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
246 ptrdiff_t stride, int h)
250 for (i = 0; i < h; i++) {
251 s += abs(pix1[0] - avg2(pix2[0], pix2[1]));
252 s += abs(pix1[1] - avg2(pix2[1], pix2[2]));
253 s += abs(pix1[2] - avg2(pix2[2], pix2[3]));
254 s += abs(pix1[3] - avg2(pix2[3], pix2[4]));
255 s += abs(pix1[4] - avg2(pix2[4], pix2[5]));
256 s += abs(pix1[5] - avg2(pix2[5], pix2[6]));
257 s += abs(pix1[6] - avg2(pix2[6], pix2[7]));
258 s += abs(pix1[7] - avg2(pix2[7], pix2[8]));
265 static int pix_abs8_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
266 ptrdiff_t stride, int h)
269 uint8_t *pix3 = pix2 + stride;
271 for (i = 0; i < h; i++) {
272 s += abs(pix1[0] - avg2(pix2[0], pix3[0]));
273 s += abs(pix1[1] - avg2(pix2[1], pix3[1]));
274 s += abs(pix1[2] - avg2(pix2[2], pix3[2]));
275 s += abs(pix1[3] - avg2(pix2[3], pix3[3]));
276 s += abs(pix1[4] - avg2(pix2[4], pix3[4]));
277 s += abs(pix1[5] - avg2(pix2[5], pix3[5]));
278 s += abs(pix1[6] - avg2(pix2[6], pix3[6]));
279 s += abs(pix1[7] - avg2(pix2[7], pix3[7]));
287 static int pix_abs8_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
288 ptrdiff_t stride, int h)
291 uint8_t *pix3 = pix2 + stride;
293 for (i = 0; i < h; i++) {
294 s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));
295 s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));
296 s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));
297 s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));
298 s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));
299 s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));
300 s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));
301 s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));
309 static int nsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,
310 ptrdiff_t stride, int h)
312 int score1 = 0, score2 = 0, x, y;
314 for (y = 0; y < h; y++) {
315 for (x = 0; x < 16; x++)
316 score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]);
318 for (x = 0; x < 15; x++)
319 score2 += FFABS(s1[x] - s1[x + stride] -
320 s1[x + 1] + s1[x + stride + 1]) -
321 FFABS(s2[x] - s2[x + stride] -
322 s2[x + 1] + s2[x + stride + 1]);
329 return score1 + FFABS(score2) * c->avctx->nsse_weight;
331 return score1 + FFABS(score2) * 8;
334 static int nsse8_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,
335 ptrdiff_t stride, int h)
337 int score1 = 0, score2 = 0, x, y;
339 for (y = 0; y < h; y++) {
340 for (x = 0; x < 8; x++)
341 score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]);
343 for (x = 0; x < 7; x++)
344 score2 += FFABS(s1[x] - s1[x + stride] -
345 s1[x + 1] + s1[x + stride + 1]) -
346 FFABS(s2[x] - s2[x + stride] -
347 s2[x + 1] + s2[x + stride + 1]);
354 return score1 + FFABS(score2) * c->avctx->nsse_weight;
356 return score1 + FFABS(score2) * 8;
359 static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b,
360 ptrdiff_t stride, int h)
365 void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type)
369 memset(cmp, 0, sizeof(void *) * 6);
371 for (i = 0; i < 6; i++) {
372 switch (type & 0xFF) {
377 cmp[i] = c->hadamard8_diff[i];
383 cmp[i] = c->dct_sad[i];
386 cmp[i] = c->dct264_sad[i];
389 cmp[i] = c->dct_max[i];
392 cmp[i] = c->quant_psnr[i];
413 av_log(NULL, AV_LOG_ERROR,
414 "internal error in cmp function selection\n");
419 #define BUTTERFLY2(o1, o2, i1, i2) \
423 #define BUTTERFLY1(x, y) \
432 #define BUTTERFLYA(x, y) (FFABS((x) + (y)) + FFABS((x) - (y)))
434 static int hadamard8_diff8x8_c(MpegEncContext *s, uint8_t *dst,
435 uint8_t *src, ptrdiff_t stride, int h)
437 int i, temp[64], sum = 0;
441 for (i = 0; i < 8; i++) {
442 // FIXME: try pointer walks
443 BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1],
444 src[stride * i + 0] - dst[stride * i + 0],
445 src[stride * i + 1] - dst[stride * i + 1]);
446 BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3],
447 src[stride * i + 2] - dst[stride * i + 2],
448 src[stride * i + 3] - dst[stride * i + 3]);
449 BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5],
450 src[stride * i + 4] - dst[stride * i + 4],
451 src[stride * i + 5] - dst[stride * i + 5]);
452 BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7],
453 src[stride * i + 6] - dst[stride * i + 6],
454 src[stride * i + 7] - dst[stride * i + 7]);
456 BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]);
457 BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]);
458 BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]);
459 BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]);
461 BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]);
462 BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]);
463 BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]);
464 BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]);
467 for (i = 0; i < 8; i++) {
468 BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]);
469 BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]);
470 BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]);
471 BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]);
473 BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]);
474 BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]);
475 BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]);
476 BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]);
478 sum += BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i]) +
479 BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i]) +
480 BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i]) +
481 BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]);
486 static int hadamard8_intra8x8_c(MpegEncContext *s, uint8_t *src,
487 uint8_t *dummy, ptrdiff_t stride, int h)
489 int i, temp[64], sum = 0;
493 for (i = 0; i < 8; i++) {
494 // FIXME: try pointer walks
495 BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1],
496 src[stride * i + 0], src[stride * i + 1]);
497 BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3],
498 src[stride * i + 2], src[stride * i + 3]);
499 BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5],
500 src[stride * i + 4], src[stride * i + 5]);
501 BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7],
502 src[stride * i + 6], src[stride * i + 7]);
504 BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]);
505 BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]);
506 BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]);
507 BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]);
509 BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]);
510 BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]);
511 BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]);
512 BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]);
515 for (i = 0; i < 8; i++) {
516 BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]);
517 BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]);
518 BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]);
519 BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]);
521 BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]);
522 BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]);
523 BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]);
524 BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]);
527 BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i])
528 + BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i])
529 + BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i])
530 + BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]);
533 sum -= FFABS(temp[8 * 0] + temp[8 * 4]); // -mean
538 static int dct_sad8x8_c(MpegEncContext *s, uint8_t *src1,
539 uint8_t *src2, ptrdiff_t stride, int h)
541 LOCAL_ALIGNED_16(int16_t, temp, [64]);
545 s->pdsp.diff_pixels(temp, src1, src2, stride);
547 return s->mecc.sum_abs_dctelem(temp);
553 const int s07 = SRC(0) + SRC(7); \
554 const int s16 = SRC(1) + SRC(6); \
555 const int s25 = SRC(2) + SRC(5); \
556 const int s34 = SRC(3) + SRC(4); \
557 const int a0 = s07 + s34; \
558 const int a1 = s16 + s25; \
559 const int a2 = s07 - s34; \
560 const int a3 = s16 - s25; \
561 const int d07 = SRC(0) - SRC(7); \
562 const int d16 = SRC(1) - SRC(6); \
563 const int d25 = SRC(2) - SRC(5); \
564 const int d34 = SRC(3) - SRC(4); \
565 const int a4 = d16 + d25 + (d07 + (d07 >> 1)); \
566 const int a5 = d07 - d34 - (d25 + (d25 >> 1)); \
567 const int a6 = d07 + d34 - (d16 + (d16 >> 1)); \
568 const int a7 = d16 - d25 + (d34 + (d34 >> 1)); \
570 DST(1, a4 + (a7 >> 2)); \
571 DST(2, a2 + (a3 >> 1)); \
572 DST(3, a5 + (a6 >> 2)); \
574 DST(5, a6 - (a5 >> 2)); \
575 DST(6, (a2 >> 1) - a3); \
576 DST(7, (a4 >> 2) - a7); \
579 static int dct264_sad8x8_c(MpegEncContext *s, uint8_t *src1,
580 uint8_t *src2, ptrdiff_t stride, int h)
585 s->pdsp.diff_pixels(dct[0], src1, src2, stride);
587 #define SRC(x) dct[i][x]
588 #define DST(x, v) dct[i][x] = v
589 for (i = 0; i < 8; i++)
594 #define SRC(x) dct[x][i]
595 #define DST(x, v) sum += FFABS(v)
596 for (i = 0; i < 8; i++)
604 static int dct_max8x8_c(MpegEncContext *s, uint8_t *src1,
605 uint8_t *src2, ptrdiff_t stride, int h)
607 LOCAL_ALIGNED_16(int16_t, temp, [64]);
612 s->pdsp.diff_pixels(temp, src1, src2, stride);
615 for (i = 0; i < 64; i++)
616 sum = FFMAX(sum, FFABS(temp[i]));
621 static int quant_psnr8x8_c(MpegEncContext *s, uint8_t *src1,
622 uint8_t *src2, ptrdiff_t stride, int h)
624 LOCAL_ALIGNED_16(int16_t, temp, [64 * 2]);
625 int16_t *const bak = temp + 64;
631 s->pdsp.diff_pixels(temp, src1, src2, stride);
633 memcpy(bak, temp, 64 * sizeof(int16_t));
635 s->block_last_index[0 /* FIXME */] =
636 s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);
637 s->dct_unquantize_inter(s, temp, 0, s->qscale);
638 ff_simple_idct_8(temp); // FIXME
640 for (i = 0; i < 64; i++)
641 sum += (temp[i] - bak[i]) * (temp[i] - bak[i]);
646 static int rd8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
647 ptrdiff_t stride, int h)
649 const uint8_t *scantable = s->intra_scantable.permutated;
650 LOCAL_ALIGNED_16(int16_t, temp, [64]);
651 LOCAL_ALIGNED_16(uint8_t, lsrc1, [64]);
652 LOCAL_ALIGNED_16(uint8_t, lsrc2, [64]);
653 int i, last, run, bits, level, distortion, start_i;
654 const int esc_length = s->ac_esc_length;
655 uint8_t *length, *last_length;
659 copy_block8(lsrc1, src1, 8, stride, 8);
660 copy_block8(lsrc2, src2, 8, stride, 8);
662 s->pdsp.diff_pixels(temp, lsrc1, lsrc2, 8);
664 s->block_last_index[0 /* FIXME */] =
666 s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);
672 length = s->intra_ac_vlc_length;
673 last_length = s->intra_ac_vlc_last_length;
674 bits += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma
677 length = s->inter_ac_vlc_length;
678 last_length = s->inter_ac_vlc_last_length;
681 if (last >= start_i) {
683 for (i = start_i; i < last; i++) {
684 int j = scantable[i];
689 if ((level & (~127)) == 0)
690 bits += length[UNI_AC_ENC_INDEX(run, level)];
699 level = temp[i] + 64;
703 if ((level & (~127)) == 0) {
704 bits += last_length[UNI_AC_ENC_INDEX(run, level)];
711 s->dct_unquantize_intra(s, temp, 0, s->qscale);
713 s->dct_unquantize_inter(s, temp, 0, s->qscale);
716 s->idsp.idct_add(lsrc2, 8, temp);
718 distortion = s->mecc.sse[1](NULL, lsrc2, lsrc1, 8, 8);
720 return distortion + ((bits * s->qscale * s->qscale * 109 + 64) >> 7);
723 static int bit8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
724 ptrdiff_t stride, int h)
726 const uint8_t *scantable = s->intra_scantable.permutated;
727 LOCAL_ALIGNED_16(int16_t, temp, [64]);
728 int i, last, run, bits, level, start_i;
729 const int esc_length = s->ac_esc_length;
730 uint8_t *length, *last_length;
734 s->pdsp.diff_pixels(temp, src1, src2, stride);
736 s->block_last_index[0 /* FIXME */] =
738 s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);
744 length = s->intra_ac_vlc_length;
745 last_length = s->intra_ac_vlc_last_length;
746 bits += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma
749 length = s->inter_ac_vlc_length;
750 last_length = s->inter_ac_vlc_last_length;
753 if (last >= start_i) {
755 for (i = start_i; i < last; i++) {
756 int j = scantable[i];
761 if ((level & (~127)) == 0)
762 bits += length[UNI_AC_ENC_INDEX(run, level)];
771 level = temp[i] + 64;
775 if ((level & (~127)) == 0)
776 bits += last_length[UNI_AC_ENC_INDEX(run, level)];
784 #define VSAD_INTRA(size) \
785 static int vsad_intra ## size ## _c(MpegEncContext *c, \
786 uint8_t *s, uint8_t *dummy, \
787 ptrdiff_t stride, int h) \
789 int score = 0, x, y; \
791 for (y = 1; y < h; y++) { \
792 for (x = 0; x < size; x += 4) { \
793 score += FFABS(s[x] - s[x + stride]) + \
794 FFABS(s[x + 1] - s[x + stride + 1]) + \
795 FFABS(s[x + 2] - s[x + 2 + stride]) + \
796 FFABS(s[x + 3] - s[x + 3 + stride]); \
806 static int vsad16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,
807 ptrdiff_t stride, int h)
811 for (y = 1; y < h; y++) {
812 for (x = 0; x < 16; x++)
813 score += FFABS(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]);
821 #define SQ(a) ((a) * (a))
822 #define VSSE_INTRA(size) \
823 static int vsse_intra ## size ## _c(MpegEncContext *c, \
824 uint8_t *s, uint8_t *dummy, \
825 ptrdiff_t stride, int h) \
827 int score = 0, x, y; \
829 for (y = 1; y < h; y++) { \
830 for (x = 0; x < size; x += 4) { \
831 score += SQ(s[x] - s[x + stride]) + \
832 SQ(s[x + 1] - s[x + stride + 1]) + \
833 SQ(s[x + 2] - s[x + stride + 2]) + \
834 SQ(s[x + 3] - s[x + stride + 3]); \
844 static int vsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,
845 ptrdiff_t stride, int h)
849 for (y = 1; y < h; y++) {
850 for (x = 0; x < 16; x++)
851 score += SQ(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]);
859 #define WRAPPER8_16_SQ(name8, name16) \
860 static int name16(MpegEncContext *s, uint8_t *dst, uint8_t *src, \
861 ptrdiff_t stride, int h) \
865 score += name8(s, dst, src, stride, 8); \
866 score += name8(s, dst + 8, src + 8, stride, 8); \
870 score += name8(s, dst, src, stride, 8); \
871 score += name8(s, dst + 8, src + 8, stride, 8); \
876 WRAPPER8_16_SQ(hadamard8_diff8x8_c, hadamard8_diff16_c)
877 WRAPPER8_16_SQ(hadamard8_intra8x8_c, hadamard8_intra16_c)
878 WRAPPER8_16_SQ(dct_sad8x8_c, dct_sad16_c)
880 WRAPPER8_16_SQ(dct264_sad8x8_c, dct264_sad16_c)
882 WRAPPER8_16_SQ(dct_max8x8_c, dct_max16_c)
883 WRAPPER8_16_SQ(quant_psnr8x8_c, quant_psnr16_c)
884 WRAPPER8_16_SQ(rd8x8_c, rd16_c)
885 WRAPPER8_16_SQ(bit8x8_c, bit16_c)
887 av_cold void ff_me_cmp_init_static(void)
891 for (i = 0; i < 512; i++)
892 ff_square_tab[i] = (i - 256) * (i - 256);
895 av_cold void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx)
897 c->sum_abs_dctelem = sum_abs_dctelem_c;
899 /* TODO [0] 16 [1] 8 */
900 c->pix_abs[0][0] = pix_abs16_c;
901 c->pix_abs[0][1] = pix_abs16_x2_c;
902 c->pix_abs[0][2] = pix_abs16_y2_c;
903 c->pix_abs[0][3] = pix_abs16_xy2_c;
904 c->pix_abs[1][0] = pix_abs8_c;
905 c->pix_abs[1][1] = pix_abs8_x2_c;
906 c->pix_abs[1][2] = pix_abs8_y2_c;
907 c->pix_abs[1][3] = pix_abs8_xy2_c;
909 #define SET_CMP_FUNC(name) \
910 c->name[0] = name ## 16_c; \
911 c->name[1] = name ## 8x8_c;
913 SET_CMP_FUNC(hadamard8_diff)
914 c->hadamard8_diff[4] = hadamard8_intra16_c;
915 c->hadamard8_diff[5] = hadamard8_intra8x8_c;
916 SET_CMP_FUNC(dct_sad)
917 SET_CMP_FUNC(dct_max)
919 SET_CMP_FUNC(dct264_sad)
921 c->sad[0] = pix_abs16_c;
922 c->sad[1] = pix_abs8_c;
926 SET_CMP_FUNC(quant_psnr)
929 c->vsad[0] = vsad16_c;
930 c->vsad[4] = vsad_intra16_c;
931 c->vsad[5] = vsad_intra8_c;
932 c->vsse[0] = vsse16_c;
933 c->vsse[4] = vsse_intra16_c;
934 c->vsse[5] = vsse_intra8_c;
935 c->nsse[0] = nsse16_c;
936 c->nsse[1] = nsse8_c;
939 ff_me_cmp_init_arm(c, avctx);
941 ff_me_cmp_init_ppc(c, avctx);
943 ff_me_cmp_init_x86(c, avctx);