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me_cmp.c
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1 /*
2  * DSP utils
3  * Copyright (c) 2000, 2001 Fabrice Bellard
4  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg 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 GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include "libavutil/attributes.h"
24 #include "libavutil/internal.h"
25 #include "avcodec.h"
26 #include "copy_block.h"
27 #include "simple_idct.h"
28 #include "me_cmp.h"
29 #include "mpegvideo.h"
30 #include "config.h"
31 
32 uint32_t ff_square_tab[512] = { 0, };
33 
34 static int sse4_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
35  ptrdiff_t stride, int h)
36 {
37  int s = 0, i;
38  uint32_t *sq = ff_square_tab + 256;
39 
40  for (i = 0; i < h; i++) {
41  s += sq[pix1[0] - pix2[0]];
42  s += sq[pix1[1] - pix2[1]];
43  s += sq[pix1[2] - pix2[2]];
44  s += sq[pix1[3] - pix2[3]];
45  pix1 += stride;
46  pix2 += stride;
47  }
48  return s;
49 }
50 
51 static int sse8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
52  ptrdiff_t stride, int h)
53 {
54  int s = 0, i;
55  uint32_t *sq = ff_square_tab + 256;
56 
57  for (i = 0; i < h; i++) {
58  s += sq[pix1[0] - pix2[0]];
59  s += sq[pix1[1] - pix2[1]];
60  s += sq[pix1[2] - pix2[2]];
61  s += sq[pix1[3] - pix2[3]];
62  s += sq[pix1[4] - pix2[4]];
63  s += sq[pix1[5] - pix2[5]];
64  s += sq[pix1[6] - pix2[6]];
65  s += sq[pix1[7] - pix2[7]];
66  pix1 += stride;
67  pix2 += stride;
68  }
69  return s;
70 }
71 
72 static int sse16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
73  ptrdiff_t stride, int h)
74 {
75  int s = 0, i;
76  uint32_t *sq = ff_square_tab + 256;
77 
78  for (i = 0; i < h; i++) {
79  s += sq[pix1[0] - pix2[0]];
80  s += sq[pix1[1] - pix2[1]];
81  s += sq[pix1[2] - pix2[2]];
82  s += sq[pix1[3] - pix2[3]];
83  s += sq[pix1[4] - pix2[4]];
84  s += sq[pix1[5] - pix2[5]];
85  s += sq[pix1[6] - pix2[6]];
86  s += sq[pix1[7] - pix2[7]];
87  s += sq[pix1[8] - pix2[8]];
88  s += sq[pix1[9] - pix2[9]];
89  s += sq[pix1[10] - pix2[10]];
90  s += sq[pix1[11] - pix2[11]];
91  s += sq[pix1[12] - pix2[12]];
92  s += sq[pix1[13] - pix2[13]];
93  s += sq[pix1[14] - pix2[14]];
94  s += sq[pix1[15] - pix2[15]];
95 
96  pix1 += stride;
97  pix2 += stride;
98  }
99  return s;
100 }
101 
102 static int sum_abs_dctelem_c(int16_t *block)
103 {
104  int sum = 0, i;
105 
106  for (i = 0; i < 64; i++)
107  sum += FFABS(block[i]);
108  return sum;
109 }
110 
111 #define avg2(a, b) (((a) + (b) + 1) >> 1)
112 #define avg4(a, b, c, d) (((a) + (b) + (c) + (d) + 2) >> 2)
113 
114 static inline int pix_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
115  ptrdiff_t stride, int h)
116 {
117  int s = 0, i;
118 
119  for (i = 0; i < h; i++) {
120  s += abs(pix1[0] - pix2[0]);
121  s += abs(pix1[1] - pix2[1]);
122  s += abs(pix1[2] - pix2[2]);
123  s += abs(pix1[3] - pix2[3]);
124  s += abs(pix1[4] - pix2[4]);
125  s += abs(pix1[5] - pix2[5]);
126  s += abs(pix1[6] - pix2[6]);
127  s += abs(pix1[7] - pix2[7]);
128  s += abs(pix1[8] - pix2[8]);
129  s += abs(pix1[9] - pix2[9]);
130  s += abs(pix1[10] - pix2[10]);
131  s += abs(pix1[11] - pix2[11]);
132  s += abs(pix1[12] - pix2[12]);
133  s += abs(pix1[13] - pix2[13]);
134  s += abs(pix1[14] - pix2[14]);
135  s += abs(pix1[15] - pix2[15]);
136  pix1 += stride;
137  pix2 += stride;
138  }
139  return s;
140 }
141 
142 static inline int pix_median_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
143  ptrdiff_t stride, int h)
144 {
145  int s = 0, i, j;
146 
147 #define V(x) (pix1[x] - pix2[x])
148 
149  s += abs(V(0));
150  s += abs(V(1) - V(0));
151  s += abs(V(2) - V(1));
152  s += abs(V(3) - V(2));
153  s += abs(V(4) - V(3));
154  s += abs(V(5) - V(4));
155  s += abs(V(6) - V(5));
156  s += abs(V(7) - V(6));
157  s += abs(V(8) - V(7));
158  s += abs(V(9) - V(8));
159  s += abs(V(10) - V(9));
160  s += abs(V(11) - V(10));
161  s += abs(V(12) - V(11));
162  s += abs(V(13) - V(12));
163  s += abs(V(14) - V(13));
164  s += abs(V(15) - V(14));
165 
166  pix1 += stride;
167  pix2 += stride;
168 
169  for (i = 1; i < h; i++) {
170  s += abs(V(0) - V(-stride));
171  for (j = 1; j < 16; j++)
172  s += abs(V(j) - mid_pred(V(j-stride), V(j-1), V(j-stride) + V(j-1) - V(j-stride-1)));
173  pix1 += stride;
174  pix2 += stride;
175 
176  }
177 #undef V
178  return s;
179 }
180 
181 static int pix_abs16_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
182  ptrdiff_t stride, int h)
183 {
184  int s = 0, i;
185 
186  for (i = 0; i < h; i++) {
187  s += abs(pix1[0] - avg2(pix2[0], pix2[1]));
188  s += abs(pix1[1] - avg2(pix2[1], pix2[2]));
189  s += abs(pix1[2] - avg2(pix2[2], pix2[3]));
190  s += abs(pix1[3] - avg2(pix2[3], pix2[4]));
191  s += abs(pix1[4] - avg2(pix2[4], pix2[5]));
192  s += abs(pix1[5] - avg2(pix2[5], pix2[6]));
193  s += abs(pix1[6] - avg2(pix2[6], pix2[7]));
194  s += abs(pix1[7] - avg2(pix2[7], pix2[8]));
195  s += abs(pix1[8] - avg2(pix2[8], pix2[9]));
196  s += abs(pix1[9] - avg2(pix2[9], pix2[10]));
197  s += abs(pix1[10] - avg2(pix2[10], pix2[11]));
198  s += abs(pix1[11] - avg2(pix2[11], pix2[12]));
199  s += abs(pix1[12] - avg2(pix2[12], pix2[13]));
200  s += abs(pix1[13] - avg2(pix2[13], pix2[14]));
201  s += abs(pix1[14] - avg2(pix2[14], pix2[15]));
202  s += abs(pix1[15] - avg2(pix2[15], pix2[16]));
203  pix1 += stride;
204  pix2 += stride;
205  }
206  return s;
207 }
208 
209 static int pix_abs16_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
210  ptrdiff_t stride, int h)
211 {
212  int s = 0, i;
213  uint8_t *pix3 = pix2 + stride;
214 
215  for (i = 0; i < h; i++) {
216  s += abs(pix1[0] - avg2(pix2[0], pix3[0]));
217  s += abs(pix1[1] - avg2(pix2[1], pix3[1]));
218  s += abs(pix1[2] - avg2(pix2[2], pix3[2]));
219  s += abs(pix1[3] - avg2(pix2[3], pix3[3]));
220  s += abs(pix1[4] - avg2(pix2[4], pix3[4]));
221  s += abs(pix1[5] - avg2(pix2[5], pix3[5]));
222  s += abs(pix1[6] - avg2(pix2[6], pix3[6]));
223  s += abs(pix1[7] - avg2(pix2[7], pix3[7]));
224  s += abs(pix1[8] - avg2(pix2[8], pix3[8]));
225  s += abs(pix1[9] - avg2(pix2[9], pix3[9]));
226  s += abs(pix1[10] - avg2(pix2[10], pix3[10]));
227  s += abs(pix1[11] - avg2(pix2[11], pix3[11]));
228  s += abs(pix1[12] - avg2(pix2[12], pix3[12]));
229  s += abs(pix1[13] - avg2(pix2[13], pix3[13]));
230  s += abs(pix1[14] - avg2(pix2[14], pix3[14]));
231  s += abs(pix1[15] - avg2(pix2[15], pix3[15]));
232  pix1 += stride;
233  pix2 += stride;
234  pix3 += stride;
235  }
236  return s;
237 }
238 
239 static int pix_abs16_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
240  ptrdiff_t stride, int h)
241 {
242  int s = 0, i;
243  uint8_t *pix3 = pix2 + stride;
244 
245  for (i = 0; i < h; i++) {
246  s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));
247  s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));
248  s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));
249  s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));
250  s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));
251  s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));
252  s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));
253  s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));
254  s += abs(pix1[8] - avg4(pix2[8], pix2[9], pix3[8], pix3[9]));
255  s += abs(pix1[9] - avg4(pix2[9], pix2[10], pix3[9], pix3[10]));
256  s += abs(pix1[10] - avg4(pix2[10], pix2[11], pix3[10], pix3[11]));
257  s += abs(pix1[11] - avg4(pix2[11], pix2[12], pix3[11], pix3[12]));
258  s += abs(pix1[12] - avg4(pix2[12], pix2[13], pix3[12], pix3[13]));
259  s += abs(pix1[13] - avg4(pix2[13], pix2[14], pix3[13], pix3[14]));
260  s += abs(pix1[14] - avg4(pix2[14], pix2[15], pix3[14], pix3[15]));
261  s += abs(pix1[15] - avg4(pix2[15], pix2[16], pix3[15], pix3[16]));
262  pix1 += stride;
263  pix2 += stride;
264  pix3 += stride;
265  }
266  return s;
267 }
268 
269 static inline int pix_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
270  ptrdiff_t stride, int h)
271 {
272  int s = 0, i;
273 
274  for (i = 0; i < h; i++) {
275  s += abs(pix1[0] - pix2[0]);
276  s += abs(pix1[1] - pix2[1]);
277  s += abs(pix1[2] - pix2[2]);
278  s += abs(pix1[3] - pix2[3]);
279  s += abs(pix1[4] - pix2[4]);
280  s += abs(pix1[5] - pix2[5]);
281  s += abs(pix1[6] - pix2[6]);
282  s += abs(pix1[7] - pix2[7]);
283  pix1 += stride;
284  pix2 += stride;
285  }
286  return s;
287 }
288 
289 static inline int pix_median_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
290  ptrdiff_t stride, int h)
291 {
292  int s = 0, i, j;
293 
294 #define V(x) (pix1[x] - pix2[x])
295 
296  s += abs(V(0));
297  s += abs(V(1) - V(0));
298  s += abs(V(2) - V(1));
299  s += abs(V(3) - V(2));
300  s += abs(V(4) - V(3));
301  s += abs(V(5) - V(4));
302  s += abs(V(6) - V(5));
303  s += abs(V(7) - V(6));
304 
305  pix1 += stride;
306  pix2 += stride;
307 
308  for (i = 1; i < h; i++) {
309  s += abs(V(0) - V(-stride));
310  for (j = 1; j < 8; j++)
311  s += abs(V(j) - mid_pred(V(j-stride), V(j-1), V(j-stride) + V(j-1) - V(j-stride-1)));
312  pix1 += stride;
313  pix2 += stride;
314 
315  }
316 #undef V
317  return s;
318 }
319 
320 static int pix_abs8_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
321  ptrdiff_t stride, int h)
322 {
323  int s = 0, i;
324 
325  for (i = 0; i < h; i++) {
326  s += abs(pix1[0] - avg2(pix2[0], pix2[1]));
327  s += abs(pix1[1] - avg2(pix2[1], pix2[2]));
328  s += abs(pix1[2] - avg2(pix2[2], pix2[3]));
329  s += abs(pix1[3] - avg2(pix2[3], pix2[4]));
330  s += abs(pix1[4] - avg2(pix2[4], pix2[5]));
331  s += abs(pix1[5] - avg2(pix2[5], pix2[6]));
332  s += abs(pix1[6] - avg2(pix2[6], pix2[7]));
333  s += abs(pix1[7] - avg2(pix2[7], pix2[8]));
334  pix1 += stride;
335  pix2 += stride;
336  }
337  return s;
338 }
339 
340 static int pix_abs8_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
341  ptrdiff_t stride, int h)
342 {
343  int s = 0, i;
344  uint8_t *pix3 = pix2 + stride;
345 
346  for (i = 0; i < h; i++) {
347  s += abs(pix1[0] - avg2(pix2[0], pix3[0]));
348  s += abs(pix1[1] - avg2(pix2[1], pix3[1]));
349  s += abs(pix1[2] - avg2(pix2[2], pix3[2]));
350  s += abs(pix1[3] - avg2(pix2[3], pix3[3]));
351  s += abs(pix1[4] - avg2(pix2[4], pix3[4]));
352  s += abs(pix1[5] - avg2(pix2[5], pix3[5]));
353  s += abs(pix1[6] - avg2(pix2[6], pix3[6]));
354  s += abs(pix1[7] - avg2(pix2[7], pix3[7]));
355  pix1 += stride;
356  pix2 += stride;
357  pix3 += stride;
358  }
359  return s;
360 }
361 
362 static int pix_abs8_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
363  ptrdiff_t stride, int h)
364 {
365  int s = 0, i;
366  uint8_t *pix3 = pix2 + stride;
367 
368  for (i = 0; i < h; i++) {
369  s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));
370  s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));
371  s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));
372  s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));
373  s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));
374  s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));
375  s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));
376  s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));
377  pix1 += stride;
378  pix2 += stride;
379  pix3 += stride;
380  }
381  return s;
382 }
383 
385  ptrdiff_t stride, int h)
386 {
387  int score1 = 0, score2 = 0, x, y;
388 
389  for (y = 0; y < h; y++) {
390  for (x = 0; x < 16; x++)
391  score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]);
392  if (y + 1 < h) {
393  for (x = 0; x < 15; x++)
394  score2 += FFABS(s1[x] - s1[x + stride] -
395  s1[x + 1] + s1[x + stride + 1]) -
396  FFABS(s2[x] - s2[x + stride] -
397  s2[x + 1] + s2[x + stride + 1]);
398  }
399  s1 += stride;
400  s2 += stride;
401  }
402 
403  if (c)
404  return score1 + FFABS(score2) * c->avctx->nsse_weight;
405  else
406  return score1 + FFABS(score2) * 8;
407 }
408 
410  ptrdiff_t stride, int h)
411 {
412  int score1 = 0, score2 = 0, x, y;
413 
414  for (y = 0; y < h; y++) {
415  for (x = 0; x < 8; x++)
416  score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]);
417  if (y + 1 < h) {
418  for (x = 0; x < 7; x++)
419  score2 += FFABS(s1[x] - s1[x + stride] -
420  s1[x + 1] + s1[x + stride + 1]) -
421  FFABS(s2[x] - s2[x + stride] -
422  s2[x + 1] + s2[x + stride + 1]);
423  }
424  s1 += stride;
425  s2 += stride;
426  }
427 
428  if (c)
429  return score1 + FFABS(score2) * c->avctx->nsse_weight;
430  else
431  return score1 + FFABS(score2) * 8;
432 }
433 
435  ptrdiff_t stride, int h)
436 {
437  return 0;
438 }
439 
441 {
442  int i;
443 
444  memset(cmp, 0, sizeof(void *) * 6);
445 
446  for (i = 0; i < 6; i++) {
447  switch (type & 0xFF) {
448  case FF_CMP_SAD:
449  cmp[i] = c->sad[i];
450  break;
451  case FF_CMP_MEDIAN_SAD:
452  cmp[i] = c->median_sad[i];
453  break;
454  case FF_CMP_SATD:
455  cmp[i] = c->hadamard8_diff[i];
456  break;
457  case FF_CMP_SSE:
458  cmp[i] = c->sse[i];
459  break;
460  case FF_CMP_DCT:
461  cmp[i] = c->dct_sad[i];
462  break;
463  case FF_CMP_DCT264:
464  cmp[i] = c->dct264_sad[i];
465  break;
466  case FF_CMP_DCTMAX:
467  cmp[i] = c->dct_max[i];
468  break;
469  case FF_CMP_PSNR:
470  cmp[i] = c->quant_psnr[i];
471  break;
472  case FF_CMP_BIT:
473  cmp[i] = c->bit[i];
474  break;
475  case FF_CMP_RD:
476  cmp[i] = c->rd[i];
477  break;
478  case FF_CMP_VSAD:
479  cmp[i] = c->vsad[i];
480  break;
481  case FF_CMP_VSSE:
482  cmp[i] = c->vsse[i];
483  break;
484  case FF_CMP_ZERO:
485  cmp[i] = zero_cmp;
486  break;
487  case FF_CMP_NSSE:
488  cmp[i] = c->nsse[i];
489  break;
490 #if CONFIG_DWT
491  case FF_CMP_W53:
492  cmp[i]= c->w53[i];
493  break;
494  case FF_CMP_W97:
495  cmp[i]= c->w97[i];
496  break;
497 #endif
498  default:
500  "internal error in cmp function selection\n");
501  }
502  }
503 }
504 
505 #define BUTTERFLY2(o1, o2, i1, i2) \
506  o1 = (i1) + (i2); \
507  o2 = (i1) - (i2);
508 
509 #define BUTTERFLY1(x, y) \
510  { \
511  int a, b; \
512  a = x; \
513  b = y; \
514  x = a + b; \
515  y = a - b; \
516  }
517 
518 #define BUTTERFLYA(x, y) (FFABS((x) + (y)) + FFABS((x) - (y)))
519 
521  uint8_t *src, ptrdiff_t stride, int h)
522 {
523  int i, temp[64], sum = 0;
524 
525  av_assert2(h == 8);
526 
527  for (i = 0; i < 8; i++) {
528  // FIXME: try pointer walks
529  BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1],
530  src[stride * i + 0] - dst[stride * i + 0],
531  src[stride * i + 1] - dst[stride * i + 1]);
532  BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3],
533  src[stride * i + 2] - dst[stride * i + 2],
534  src[stride * i + 3] - dst[stride * i + 3]);
535  BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5],
536  src[stride * i + 4] - dst[stride * i + 4],
537  src[stride * i + 5] - dst[stride * i + 5]);
538  BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7],
539  src[stride * i + 6] - dst[stride * i + 6],
540  src[stride * i + 7] - dst[stride * i + 7]);
541 
542  BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]);
543  BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]);
544  BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]);
545  BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]);
546 
547  BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]);
548  BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]);
549  BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]);
550  BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]);
551  }
552 
553  for (i = 0; i < 8; i++) {
554  BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]);
555  BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]);
556  BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]);
557  BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]);
558 
559  BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]);
560  BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]);
561  BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]);
562  BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]);
563 
564  sum += BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i]) +
565  BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i]) +
566  BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i]) +
567  BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]);
568  }
569  return sum;
570 }
571 
573  uint8_t *dummy, ptrdiff_t stride, int h)
574 {
575  int i, temp[64], sum = 0;
576 
577  av_assert2(h == 8);
578 
579  for (i = 0; i < 8; i++) {
580  // FIXME: try pointer walks
581  BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1],
582  src[stride * i + 0], src[stride * i + 1]);
583  BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3],
584  src[stride * i + 2], src[stride * i + 3]);
585  BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5],
586  src[stride * i + 4], src[stride * i + 5]);
587  BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7],
588  src[stride * i + 6], src[stride * i + 7]);
589 
590  BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]);
591  BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]);
592  BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]);
593  BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]);
594 
595  BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]);
596  BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]);
597  BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]);
598  BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]);
599  }
600 
601  for (i = 0; i < 8; i++) {
602  BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]);
603  BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]);
604  BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]);
605  BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]);
606 
607  BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]);
608  BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]);
609  BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]);
610  BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]);
611 
612  sum +=
613  BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i])
614  + BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i])
615  + BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i])
616  + BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]);
617  }
618 
619  sum -= FFABS(temp[8 * 0] + temp[8 * 4]); // -mean
620 
621  return sum;
622 }
623 
625  uint8_t *src2, ptrdiff_t stride, int h)
626 {
627  LOCAL_ALIGNED_16(int16_t, temp, [64]);
628 
629  av_assert2(h == 8);
630 
631  s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);
632  s->fdsp.fdct(temp);
633  return s->mecc.sum_abs_dctelem(temp);
634 }
635 
636 #if CONFIG_GPL
637 #define DCT8_1D \
638  { \
639  const int s07 = SRC(0) + SRC(7); \
640  const int s16 = SRC(1) + SRC(6); \
641  const int s25 = SRC(2) + SRC(5); \
642  const int s34 = SRC(3) + SRC(4); \
643  const int a0 = s07 + s34; \
644  const int a1 = s16 + s25; \
645  const int a2 = s07 - s34; \
646  const int a3 = s16 - s25; \
647  const int d07 = SRC(0) - SRC(7); \
648  const int d16 = SRC(1) - SRC(6); \
649  const int d25 = SRC(2) - SRC(5); \
650  const int d34 = SRC(3) - SRC(4); \
651  const int a4 = d16 + d25 + (d07 + (d07 >> 1)); \
652  const int a5 = d07 - d34 - (d25 + (d25 >> 1)); \
653  const int a6 = d07 + d34 - (d16 + (d16 >> 1)); \
654  const int a7 = d16 - d25 + (d34 + (d34 >> 1)); \
655  DST(0, a0 + a1); \
656  DST(1, a4 + (a7 >> 2)); \
657  DST(2, a2 + (a3 >> 1)); \
658  DST(3, a5 + (a6 >> 2)); \
659  DST(4, a0 - a1); \
660  DST(5, a6 - (a5 >> 2)); \
661  DST(6, (a2 >> 1) - a3); \
662  DST(7, (a4 >> 2) - a7); \
663  }
664 
665 static int dct264_sad8x8_c(MpegEncContext *s, uint8_t *src1,
666  uint8_t *src2, ptrdiff_t stride, int h)
667 {
668  int16_t dct[8][8];
669  int i, sum = 0;
670 
671  s->pdsp.diff_pixels_unaligned(dct[0], src1, src2, stride);
672 
673 #define SRC(x) dct[i][x]
674 #define DST(x, v) dct[i][x] = v
675  for (i = 0; i < 8; i++)
676  DCT8_1D
677 #undef SRC
678 #undef DST
679 
680 #define SRC(x) dct[x][i]
681 #define DST(x, v) sum += FFABS(v)
682  for (i = 0; i < 8; i++)
683  DCT8_1D
684 #undef SRC
685 #undef DST
686  return sum;
687 }
688 #endif
689 
690 static int dct_max8x8_c(MpegEncContext *s, uint8_t *src1,
691  uint8_t *src2, ptrdiff_t stride, int h)
692 {
693  LOCAL_ALIGNED_16(int16_t, temp, [64]);
694  int sum = 0, i;
695 
696  av_assert2(h == 8);
697 
698  s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);
699  s->fdsp.fdct(temp);
700 
701  for (i = 0; i < 64; i++)
702  sum = FFMAX(sum, FFABS(temp[i]));
703 
704  return sum;
705 }
706 
708  uint8_t *src2, ptrdiff_t stride, int h)
709 {
710  LOCAL_ALIGNED_16(int16_t, temp, [64 * 2]);
711  int16_t *const bak = temp + 64;
712  int sum = 0, i;
713 
714  av_assert2(h == 8);
715  s->mb_intra = 0;
716 
717  s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);
718 
719  memcpy(bak, temp, 64 * sizeof(int16_t));
720 
721  s->block_last_index[0 /* FIXME */] =
722  s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);
723  s->dct_unquantize_inter(s, temp, 0, s->qscale);
724  ff_simple_idct_8(temp); // FIXME
725 
726  for (i = 0; i < 64; i++)
727  sum += (temp[i] - bak[i]) * (temp[i] - bak[i]);
728 
729  return sum;
730 }
731 
732 static int rd8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
733  ptrdiff_t stride, int h)
734 {
735  const uint8_t *scantable = s->intra_scantable.permutated;
736  LOCAL_ALIGNED_16(int16_t, temp, [64]);
737  LOCAL_ALIGNED_16(uint8_t, lsrc1, [64]);
738  LOCAL_ALIGNED_16(uint8_t, lsrc2, [64]);
739  int i, last, run, bits, level, distortion, start_i;
740  const int esc_length = s->ac_esc_length;
741  uint8_t *length, *last_length;
742 
743  av_assert2(h == 8);
744 
745  copy_block8(lsrc1, src1, 8, stride, 8);
746  copy_block8(lsrc2, src2, 8, stride, 8);
747 
748  s->pdsp.diff_pixels(temp, lsrc1, lsrc2, 8);
749 
750  s->block_last_index[0 /* FIXME */] =
751  last =
752  s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);
753 
754  bits = 0;
755 
756  if (s->mb_intra) {
757  start_i = 1;
758  length = s->intra_ac_vlc_length;
759  last_length = s->intra_ac_vlc_last_length;
760  bits += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma
761  } else {
762  start_i = 0;
763  length = s->inter_ac_vlc_length;
764  last_length = s->inter_ac_vlc_last_length;
765  }
766 
767  if (last >= start_i) {
768  run = 0;
769  for (i = start_i; i < last; i++) {
770  int j = scantable[i];
771  level = temp[j];
772 
773  if (level) {
774  level += 64;
775  if ((level & (~127)) == 0)
776  bits += length[UNI_AC_ENC_INDEX(run, level)];
777  else
778  bits += esc_length;
779  run = 0;
780  } else
781  run++;
782  }
783  i = scantable[last];
784 
785  level = temp[i] + 64;
786 
787  av_assert2(level - 64);
788 
789  if ((level & (~127)) == 0) {
790  bits += last_length[UNI_AC_ENC_INDEX(run, level)];
791  } else
792  bits += esc_length;
793  }
794 
795  if (last >= 0) {
796  if (s->mb_intra)
797  s->dct_unquantize_intra(s, temp, 0, s->qscale);
798  else
799  s->dct_unquantize_inter(s, temp, 0, s->qscale);
800  }
801 
802  s->idsp.idct_add(lsrc2, 8, temp);
803 
804  distortion = s->mecc.sse[1](NULL, lsrc2, lsrc1, 8, 8);
805 
806  return distortion + ((bits * s->qscale * s->qscale * 109 + 64) >> 7);
807 }
808 
809 static int bit8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
810  ptrdiff_t stride, int h)
811 {
812  const uint8_t *scantable = s->intra_scantable.permutated;
813  LOCAL_ALIGNED_16(int16_t, temp, [64]);
814  int i, last, run, bits, level, start_i;
815  const int esc_length = s->ac_esc_length;
816  uint8_t *length, *last_length;
817 
818  av_assert2(h == 8);
819 
820  s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);
821 
822  s->block_last_index[0 /* FIXME */] =
823  last =
824  s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);
825 
826  bits = 0;
827 
828  if (s->mb_intra) {
829  start_i = 1;
830  length = s->intra_ac_vlc_length;
831  last_length = s->intra_ac_vlc_last_length;
832  bits += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma
833  } else {
834  start_i = 0;
835  length = s->inter_ac_vlc_length;
836  last_length = s->inter_ac_vlc_last_length;
837  }
838 
839  if (last >= start_i) {
840  run = 0;
841  for (i = start_i; i < last; i++) {
842  int j = scantable[i];
843  level = temp[j];
844 
845  if (level) {
846  level += 64;
847  if ((level & (~127)) == 0)
848  bits += length[UNI_AC_ENC_INDEX(run, level)];
849  else
850  bits += esc_length;
851  run = 0;
852  } else
853  run++;
854  }
855  i = scantable[last];
856 
857  level = temp[i] + 64;
858 
859  av_assert2(level - 64);
860 
861  if ((level & (~127)) == 0)
862  bits += last_length[UNI_AC_ENC_INDEX(run, level)];
863  else
864  bits += esc_length;
865  }
866 
867  return bits;
868 }
869 
870 #define VSAD_INTRA(size) \
871 static int vsad_intra ## size ## _c(MpegEncContext *c, \
872  uint8_t *s, uint8_t *dummy, \
873  ptrdiff_t stride, int h) \
874 { \
875  int score = 0, x, y; \
876  \
877  for (y = 1; y < h; y++) { \
878  for (x = 0; x < size; x += 4) { \
879  score += FFABS(s[x] - s[x + stride]) + \
880  FFABS(s[x + 1] - s[x + stride + 1]) + \
881  FFABS(s[x + 2] - s[x + 2 + stride]) + \
882  FFABS(s[x + 3] - s[x + 3 + stride]); \
883  } \
884  s += stride; \
885  } \
886  \
887  return score; \
888 }
889 VSAD_INTRA(8)
890 VSAD_INTRA(16)
891 
892 #define VSAD(size) \
893 static int vsad ## size ## _c(MpegEncContext *c, \
894  uint8_t *s1, uint8_t *s2, \
895  ptrdiff_t stride, int h) \
896 { \
897  int score = 0, x, y; \
898  \
899  for (y = 1; y < h; y++) { \
900  for (x = 0; x < size; x++) \
901  score += FFABS(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]); \
902  s1 += stride; \
903  s2 += stride; \
904  } \
905  \
906  return score; \
907 }
908 VSAD(8)
909 VSAD(16)
910 
911 #define SQ(a) ((a) * (a))
912 #define VSSE_INTRA(size) \
913 static int vsse_intra ## size ## _c(MpegEncContext *c, \
914  uint8_t *s, uint8_t *dummy, \
915  ptrdiff_t stride, int h) \
916 { \
917  int score = 0, x, y; \
918  \
919  for (y = 1; y < h; y++) { \
920  for (x = 0; x < size; x += 4) { \
921  score += SQ(s[x] - s[x + stride]) + \
922  SQ(s[x + 1] - s[x + stride + 1]) + \
923  SQ(s[x + 2] - s[x + stride + 2]) + \
924  SQ(s[x + 3] - s[x + stride + 3]); \
925  } \
926  s += stride; \
927  } \
928  \
929  return score; \
930 }
931 VSSE_INTRA(8)
932 VSSE_INTRA(16)
933 
934 #define VSSE(size) \
935 static int vsse ## size ## _c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, \
936  ptrdiff_t stride, int h) \
937 { \
938  int score = 0, x, y; \
939  \
940  for (y = 1; y < h; y++) { \
941  for (x = 0; x < size; x++) \
942  score += SQ(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]); \
943  s1 += stride; \
944  s2 += stride; \
945  } \
946  \
947  return score; \
948 }
949 VSSE(8)
950 VSSE(16)
951 
952 #define WRAPPER8_16_SQ(name8, name16) \
953 static int name16(MpegEncContext *s, uint8_t *dst, uint8_t *src, \
954  ptrdiff_t stride, int h) \
955 { \
956  int score = 0; \
957  \
958  score += name8(s, dst, src, stride, 8); \
959  score += name8(s, dst + 8, src + 8, stride, 8); \
960  if (h == 16) { \
961  dst += 8 * stride; \
962  src += 8 * stride; \
963  score += name8(s, dst, src, stride, 8); \
964  score += name8(s, dst + 8, src + 8, stride, 8); \
965  } \
966  return score; \
967 }
968 
969 WRAPPER8_16_SQ(hadamard8_diff8x8_c, hadamard8_diff16_c)
970 WRAPPER8_16_SQ(hadamard8_intra8x8_c, hadamard8_intra16_c)
971 WRAPPER8_16_SQ(dct_sad8x8_c, dct_sad16_c)
972 #if CONFIG_GPL
973 WRAPPER8_16_SQ(dct264_sad8x8_c, dct264_sad16_c)
974 #endif
975 WRAPPER8_16_SQ(dct_max8x8_c, dct_max16_c)
976 WRAPPER8_16_SQ(quant_psnr8x8_c, quant_psnr16_c)
977 WRAPPER8_16_SQ(rd8x8_c, rd16_c)
978 WRAPPER8_16_SQ(bit8x8_c, bit16_c)
979 
981 {
982  int i;
983 
984  for (i = 0; i < 512; i++)
985  ff_square_tab[i] = (i - 256) * (i - 256);
986 }
987 
989 {
990  static int did_fail = 0;
991  LOCAL_ALIGNED_16(int, aligned, [4]);
992 
993  if ((intptr_t)aligned & 15) {
994  if (!did_fail) {
995 #if HAVE_MMX || HAVE_ALTIVEC
997  "Compiler did not align stack variables. Libavcodec has been miscompiled\n"
998  "and may be very slow or crash. This is not a bug in libavcodec,\n"
999  "but in the compiler. You may try recompiling using gcc >= 4.2.\n"
1000  "Do not report crashes to FFmpeg developers.\n");
1001 #endif
1002  did_fail=1;
1003  }
1004  return -1;
1005  }
1006  return 0;
1007 }
1008 
1010 {
1012 
1014 
1015  /* TODO [0] 16 [1] 8 */
1016  c->pix_abs[0][0] = pix_abs16_c;
1017  c->pix_abs[0][1] = pix_abs16_x2_c;
1018  c->pix_abs[0][2] = pix_abs16_y2_c;
1019  c->pix_abs[0][3] = pix_abs16_xy2_c;
1020  c->pix_abs[1][0] = pix_abs8_c;
1021  c->pix_abs[1][1] = pix_abs8_x2_c;
1022  c->pix_abs[1][2] = pix_abs8_y2_c;
1023  c->pix_abs[1][3] = pix_abs8_xy2_c;
1024 
1025 #define SET_CMP_FUNC(name) \
1026  c->name[0] = name ## 16_c; \
1027  c->name[1] = name ## 8x8_c;
1028 
1029  SET_CMP_FUNC(hadamard8_diff)
1030  c->hadamard8_diff[4] = hadamard8_intra16_c;
1032  SET_CMP_FUNC(dct_sad)
1033  SET_CMP_FUNC(dct_max)
1034 #if CONFIG_GPL
1035  SET_CMP_FUNC(dct264_sad)
1036 #endif
1037  c->sad[0] = pix_abs16_c;
1038  c->sad[1] = pix_abs8_c;
1039  c->sse[0] = sse16_c;
1040  c->sse[1] = sse8_c;
1041  c->sse[2] = sse4_c;
1042  SET_CMP_FUNC(quant_psnr)
1043  SET_CMP_FUNC(rd)
1044  SET_CMP_FUNC(bit)
1045  c->vsad[0] = vsad16_c;
1046  c->vsad[1] = vsad8_c;
1047  c->vsad[4] = vsad_intra16_c;
1048  c->vsad[5] = vsad_intra8_c;
1049  c->vsse[0] = vsse16_c;
1050  c->vsse[1] = vsse8_c;
1051  c->vsse[4] = vsse_intra16_c;
1052  c->vsse[5] = vsse_intra8_c;
1053  c->nsse[0] = nsse16_c;
1054  c->nsse[1] = nsse8_c;
1055 #if CONFIG_SNOW_DECODER || CONFIG_SNOW_ENCODER
1057 #endif
1058 
1059  if (ARCH_ALPHA)
1060  ff_me_cmp_init_alpha(c, avctx);
1061  if (ARCH_ARM)
1062  ff_me_cmp_init_arm(c, avctx);
1063  if (ARCH_PPC)
1064  ff_me_cmp_init_ppc(c, avctx);
1065  if (ARCH_X86)
1066  ff_me_cmp_init_x86(c, avctx);
1067  if (ARCH_MIPS)
1068  ff_me_cmp_init_mips(c, avctx);
1069 
1071  c->median_sad[1] = pix_median_abs8_c;
1072 }
#define avg4(a, b, c, d)
Definition: me_cmp.c:112
av_cold void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx)
Definition: me_cmp.c:1009
av_cold void ff_me_cmp_init_ppc(MECmpContext *c, AVCodecContext *avctx)
Definition: me_cmp.c:726
IDCTDSPContext idsp
Definition: mpegvideo.h:227
#define NULL
Definition: coverity.c:32
const char * s
Definition: avisynth_c.h:768
static int dct_max8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, ptrdiff_t stride, int h)
Definition: me_cmp.c:690
void(* dct_unquantize_inter)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:517
static int hadamard8_intra8x8_c(MpegEncContext *s, uint8_t *src, uint8_t *dummy, ptrdiff_t stride, int h)
Definition: me_cmp.c:572
#define FF_CMP_DCTMAX
Definition: avcodec.h:1905
#define BUTTERFLY1(x, y)
Definition: me_cmp.c:509
else temp
Definition: vf_mcdeint.c:256
static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b, ptrdiff_t stride, int h)
Definition: me_cmp.c:434
me_cmp_func w53[6]
Definition: me_cmp.h:66
me_cmp_func dct_max[6]
Definition: me_cmp.h:68
const char * b
Definition: vf_curves.c:113
static int pix_median_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:142
static int nsse8_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, ptrdiff_t stride, int h)
Definition: me_cmp.c:409
#define FF_CMP_W97
Definition: avcodec.h:1904
mpegvideo header.
uint8_t permutated[64]
Definition: idctdsp.h:33
uint8_t run
Definition: svq3.c:206
uint8_t * intra_ac_vlc_length
Definition: mpegvideo.h:308
#define UNI_AC_ENC_INDEX(run, level)
Definition: mpegvideo.h:315
#define src
Definition: vp8dsp.c:254
static void copy_block8(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)
Definition: copy_block.h:47
int qscale
QP.
Definition: mpegvideo.h:201
me_cmp_func dct_sad[6]
Definition: me_cmp.h:59
void(* dct_unquantize_intra)(struct MpegEncContext *s, int16_t *block, int n, int qscale)
Definition: mpegvideo.h:515
uint32_t ff_square_tab[512]
Definition: me_cmp.c:32
Macro definitions for various function/variable attributes.
me_cmp_func hadamard8_diff[6]
Definition: me_cmp.h:58
static int dct_sad8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, ptrdiff_t stride, int h)
Definition: me_cmp.c:624
static int16_t block[64]
Definition: dct.c:115
#define V(x)
static int pix_abs16_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:239
uint8_t
#define av_cold
Definition: attributes.h:82
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
Definition: avassert.h:64
#define SET_CMP_FUNC(name)
static int rd8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, ptrdiff_t stride, int h)
Definition: me_cmp.c:732
#define FF_CMP_VSSE
Definition: avcodec.h:1901
me_cmp_func dct264_sad[6]
Definition: me_cmp.h:69
void(* diff_pixels)(int16_t *av_restrict block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride)
Definition: pixblockdsp.h:32
#define VSSE(size)
Definition: me_cmp.c:934
me_cmp_func nsse[6]
Definition: me_cmp.h:65
#define BUTTERFLY2(o1, o2, i1, i2)
Definition: me_cmp.c:505
static int pix_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:114
#define avg2(a, b)
Definition: me_cmp.c:111
#define FF_CMP_SSE
Definition: avcodec.h:1893
#define av_log(a,...)
void ff_me_cmp_init_mips(MECmpContext *c, AVCodecContext *avctx)
#define FF_CMP_MEDIAN_SAD
Definition: avcodec.h:1907
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
uint8_t * inter_ac_vlc_last_length
Definition: mpegvideo.h:313
#define s2
Definition: regdef.h:39
static int sse4_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:34
PixblockDSPContext pdsp
Definition: mpegvideo.h:231
GLsizei GLsizei * length
Definition: opengl_enc.c:115
me_cmp_func pix_abs[2][4]
Definition: me_cmp.h:78
#define FFMAX(a, b)
Definition: common.h:94
av_cold void ff_me_cmp_init_static(void)
Definition: me_cmp.c:980
me_cmp_func bit[6]
Definition: me_cmp.h:61
common internal API header
uint8_t * intra_ac_vlc_last_length
Definition: mpegvideo.h:309
me_cmp_func vsse[6]
Definition: me_cmp.h:64
#define FF_CMP_BIT
Definition: avcodec.h:1897
av_cold void ff_me_cmp_init_alpha(MECmpContext *c, AVCodecContext *avctx)
Definition: me_cmp_alpha.c:305
static int pix_abs8_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:362
me_cmp_func vsad[6]
Definition: me_cmp.h:63
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
#define WRAPPER8_16_SQ(name8, name16)
Definition: me_cmp.c:952
static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags)
compares a block (either a full macroblock or a partition thereof) against a proposed motion-compensa...
Definition: motion_est.c:260
int block_last_index[12]
last non zero coefficient in block
Definition: mpegvideo.h:83
int dummy
Definition: motion.c:64
int(* me_cmp_func)(struct MpegEncContext *c, uint8_t *blk1, uint8_t *blk2, ptrdiff_t stride, int h)
Definition: me_cmp.h:48
static int sse16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:72
static int pix_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:269
int ac_esc_length
num of bits needed to encode the longest esc
Definition: mpegvideo.h:307
#define FF_CMP_SAD
Definition: avcodec.h:1892
static int sse8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:51
#define src1
Definition: h264pred.c:139
uint8_t * luma_dc_vlc_length
Definition: mpegvideo.h:314
me_cmp_func rd[6]
Definition: me_cmp.h:62
Libavcodec external API header.
#define FF_CMP_RD
Definition: avcodec.h:1898
void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type)
Definition: me_cmp.c:440
void(* fdct)(int16_t *block)
Definition: fdctdsp.h:27
main external API structure.
Definition: avcodec.h:1488
ScanTable intra_scantable
Definition: mpegvideo.h:88
#define FF_CMP_NSSE
Definition: avcodec.h:1902
#define FF_CMP_SATD
Definition: avcodec.h:1894
FDCTDSPContext fdsp
Definition: mpegvideo.h:224
#define VSSE_INTRA(size)
Definition: me_cmp.c:912
#define FF_CMP_DCT
Definition: avcodec.h:1895
GLint GLenum type
Definition: opengl_enc.c:105
uint8_t * inter_ac_vlc_length
Definition: mpegvideo.h:312
void(* idct_add)(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
Definition: idctdsp.h:79
static int nsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, ptrdiff_t stride, int h)
Definition: me_cmp.c:384
av_cold void ff_me_cmp_init_arm(MECmpContext *c, AVCodecContext *avctx)
#define mid_pred
Definition: mathops.h:97
#define FF_CMP_PSNR
Definition: avcodec.h:1896
#define DCT8_1D(src, srcstride, dst, dststride)
Definition: h264dsp.c:92
#define s1
Definition: regdef.h:38
#define FF_CMP_W53
Definition: avcodec.h:1903
#define FF_CMP_DCT264
Definition: avcodec.h:1906
me_cmp_func median_sad[6]
Definition: me_cmp.h:79
static int quant_psnr8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, ptrdiff_t stride, int h)
Definition: me_cmp.c:707
uint8_t level
Definition: svq3.c:207
me_cmp_func sad[6]
Definition: me_cmp.h:56
me_cmp_func sse[6]
Definition: me_cmp.h:57
#define FF_CMP_ZERO
Definition: avcodec.h:1899
MpegEncContext.
Definition: mpegvideo.h:78
struct AVCodecContext * avctx
Definition: mpegvideo.h:95
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
static int pix_abs8_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:340
MECmpContext mecc
Definition: mpegvideo.h:228
#define DST(x, y)
#define VSAD(size)
Definition: me_cmp.c:892
int nsse_weight
noise vs.
Definition: avcodec.h:2806
static double c[64]
static int pix_abs16_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:181
#define BUTTERFLYA(x, y)
Definition: me_cmp.c:518
static int pix_abs8_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:320
#define FF_CMP_VSAD
Definition: avcodec.h:1900
static int pix_abs16_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:209
static int sum_abs_dctelem_c(int16_t *block)
Definition: me_cmp.c:102
simple idct header.
int(* sum_abs_dctelem)(int16_t *block)
Definition: me_cmp.h:54
me_cmp_func quant_psnr[6]
Definition: me_cmp.h:60
me_cmp_func w97[6]
Definition: me_cmp.h:67
void(* diff_pixels_unaligned)(int16_t *av_restrict block, const uint8_t *s1, const uint8_t *s2, ptrdiff_t stride)
Definition: pixblockdsp.h:36
int(* fast_dct_quantize)(struct MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow)
Definition: mpegvideo.h:520
#define LOCAL_ALIGNED_16(t, v,...)
Definition: internal.h:131
void ff_dsputil_init_dwt(MECmpContext *c)
Definition: snow_dwt.c:842
static int bit8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, ptrdiff_t stride, int h)
Definition: me_cmp.c:809
static int hadamard8_diff8x8_c(MpegEncContext *s, uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h)
Definition: me_cmp.c:520
#define stride
void ff_me_cmp_init_x86(MECmpContext *c, AVCodecContext *avctx)
#define VSAD_INTRA(size)
Definition: me_cmp.c:870
int ff_check_alignment(void)
Definition: me_cmp.c:988
static int pix_median_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t stride, int h)
Definition: me_cmp.c:289
void ff_simple_idct_8(int16_t *block)
#define SRC(x, y)