Libav
vc1dsp.c
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1 /*
2  * VC-1 and WMV3 decoder - DSP functions
3  * Copyright (c) 2006 Konstantin Shishkov
4  *
5  * This file is part of Libav.
6  *
7  * Libav is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * Libav is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with Libav; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
27 #include "libavutil/common.h"
28 #include "h264chroma.h"
29 #include "qpeldsp.h"
30 #include "vc1dsp.h"
31 #include "startcode.h"
32 
33 /* Apply overlap transform to horizontal edge */
34 static void vc1_v_overlap_c(uint8_t *src, int stride)
35 {
36  int i;
37  int a, b, c, d;
38  int d1, d2;
39  int rnd = 1;
40  for (i = 0; i < 8; i++) {
41  a = src[-2 * stride];
42  b = src[-stride];
43  c = src[0];
44  d = src[stride];
45  d1 = (a - d + 3 + rnd) >> 3;
46  d2 = (a - d + b - c + 4 - rnd) >> 3;
47 
48  src[-2 * stride] = a - d1;
49  src[-stride] = av_clip_uint8(b - d2);
50  src[0] = av_clip_uint8(c + d2);
51  src[stride] = d + d1;
52  src++;
53  rnd = !rnd;
54  }
55 }
56 
57 /* Apply overlap transform to vertical edge */
58 static void vc1_h_overlap_c(uint8_t *src, int stride)
59 {
60  int i;
61  int a, b, c, d;
62  int d1, d2;
63  int rnd = 1;
64  for (i = 0; i < 8; i++) {
65  a = src[-2];
66  b = src[-1];
67  c = src[0];
68  d = src[1];
69  d1 = (a - d + 3 + rnd) >> 3;
70  d2 = (a - d + b - c + 4 - rnd) >> 3;
71 
72  src[-2] = a - d1;
73  src[-1] = av_clip_uint8(b - d2);
74  src[0] = av_clip_uint8(c + d2);
75  src[1] = d + d1;
76  src += stride;
77  rnd = !rnd;
78  }
79 }
80 
81 static void vc1_v_s_overlap_c(int16_t *top, int16_t *bottom)
82 {
83  int i;
84  int a, b, c, d;
85  int d1, d2;
86  int rnd1 = 4, rnd2 = 3;
87  for (i = 0; i < 8; i++) {
88  a = top[48];
89  b = top[56];
90  c = bottom[0];
91  d = bottom[8];
92  d1 = a - d;
93  d2 = a - d + b - c;
94 
95  top[48] = ((a << 3) - d1 + rnd1) >> 3;
96  top[56] = ((b << 3) - d2 + rnd2) >> 3;
97  bottom[0] = ((c << 3) + d2 + rnd1) >> 3;
98  bottom[8] = ((d << 3) + d1 + rnd2) >> 3;
99 
100  bottom++;
101  top++;
102  rnd2 = 7 - rnd2;
103  rnd1 = 7 - rnd1;
104  }
105 }
106 
107 static void vc1_h_s_overlap_c(int16_t *left, int16_t *right)
108 {
109  int i;
110  int a, b, c, d;
111  int d1, d2;
112  int rnd1 = 4, rnd2 = 3;
113  for (i = 0; i < 8; i++) {
114  a = left[6];
115  b = left[7];
116  c = right[0];
117  d = right[1];
118  d1 = a - d;
119  d2 = a - d + b - c;
120 
121  left[6] = ((a << 3) - d1 + rnd1) >> 3;
122  left[7] = ((b << 3) - d2 + rnd2) >> 3;
123  right[0] = ((c << 3) + d2 + rnd1) >> 3;
124  right[1] = ((d << 3) + d1 + rnd2) >> 3;
125 
126  right += 8;
127  left += 8;
128  rnd2 = 7 - rnd2;
129  rnd1 = 7 - rnd1;
130  }
131 }
132 
142 {
143  int a0 = (2 * (src[-2 * stride] - src[1 * stride]) -
144  5 * (src[-1 * stride] - src[0 * stride]) + 4) >> 3;
145  int a0_sign = a0 >> 31; /* Store sign */
146 
147  a0 = (a0 ^ a0_sign) - a0_sign; /* a0 = FFABS(a0); */
148  if (a0 < pq) {
149  int a1 = FFABS((2 * (src[-4 * stride] - src[-1 * stride]) -
150  5 * (src[-3 * stride] - src[-2 * stride]) + 4) >> 3);
151  int a2 = FFABS((2 * (src[ 0 * stride] - src[ 3 * stride]) -
152  5 * (src[ 1 * stride] - src[ 2 * stride]) + 4) >> 3);
153  if (a1 < a0 || a2 < a0) {
154  int clip = src[-1 * stride] - src[0 * stride];
155  int clip_sign = clip >> 31;
156 
157  clip = ((clip ^ clip_sign) - clip_sign) >> 1;
158  if (clip) {
159  int a3 = FFMIN(a1, a2);
160  int d = 5 * (a3 - a0);
161  int d_sign = (d >> 31);
162 
163  d = ((d ^ d_sign) - d_sign) >> 3;
164  d_sign ^= a0_sign;
165 
166  if (d_sign ^ clip_sign)
167  d = 0;
168  else {
169  d = FFMIN(d, clip);
170  d = (d ^ d_sign) - d_sign; /* Restore sign */
171  src[-1 * stride] = av_clip_uint8(src[-1 * stride] - d);
172  src[ 0 * stride] = av_clip_uint8(src[ 0 * stride] + d);
173  }
174  return 1;
175  }
176  }
177  }
178  return 0;
179 }
180 
190 static inline void vc1_loop_filter(uint8_t *src, int step, int stride,
191  int len, int pq)
192 {
193  int i;
194  int filt3;
195 
196  for (i = 0; i < len; i += 4) {
197  filt3 = vc1_filter_line(src + 2 * step, stride, pq);
198  if (filt3) {
199  vc1_filter_line(src + 0 * step, stride, pq);
200  vc1_filter_line(src + 1 * step, stride, pq);
201  vc1_filter_line(src + 3 * step, stride, pq);
202  }
203  src += step * 4;
204  }
205 }
206 
207 static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq)
208 {
209  vc1_loop_filter(src, 1, stride, 4, pq);
210 }
211 
212 static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq)
213 {
214  vc1_loop_filter(src, stride, 1, 4, pq);
215 }
216 
217 static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq)
218 {
219  vc1_loop_filter(src, 1, stride, 8, pq);
220 }
221 
222 static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq)
223 {
224  vc1_loop_filter(src, stride, 1, 8, pq);
225 }
226 
227 static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq)
228 {
229  vc1_loop_filter(src, 1, stride, 16, pq);
230 }
231 
232 static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq)
233 {
234  vc1_loop_filter(src, stride, 1, 16, pq);
235 }
236 
237 /* Do inverse transform on 8x8 block */
238 static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, int linesize, int16_t *block)
239 {
240  int i;
241  int dc = block[0];
242 
243  dc = (3 * dc + 1) >> 1;
244  dc = (3 * dc + 16) >> 5;
245 
246  for (i = 0; i < 8; i++) {
247  dest[0] = av_clip_uint8(dest[0] + dc);
248  dest[1] = av_clip_uint8(dest[1] + dc);
249  dest[2] = av_clip_uint8(dest[2] + dc);
250  dest[3] = av_clip_uint8(dest[3] + dc);
251  dest[4] = av_clip_uint8(dest[4] + dc);
252  dest[5] = av_clip_uint8(dest[5] + dc);
253  dest[6] = av_clip_uint8(dest[6] + dc);
254  dest[7] = av_clip_uint8(dest[7] + dc);
255  dest += linesize;
256  }
257 }
258 
259 static void vc1_inv_trans_8x8_c(int16_t block[64])
260 {
261  int i;
262  register int t1, t2, t3, t4, t5, t6, t7, t8;
263  int16_t *src, *dst, temp[64];
264 
265  src = block;
266  dst = temp;
267  for (i = 0; i < 8; i++) {
268  t1 = 12 * (src[ 0] + src[32]) + 4;
269  t2 = 12 * (src[ 0] - src[32]) + 4;
270  t3 = 16 * src[16] + 6 * src[48];
271  t4 = 6 * src[16] - 16 * src[48];
272 
273  t5 = t1 + t3;
274  t6 = t2 + t4;
275  t7 = t2 - t4;
276  t8 = t1 - t3;
277 
278  t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
279  t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
280  t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
281  t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
282 
283  dst[0] = (t5 + t1) >> 3;
284  dst[1] = (t6 + t2) >> 3;
285  dst[2] = (t7 + t3) >> 3;
286  dst[3] = (t8 + t4) >> 3;
287  dst[4] = (t8 - t4) >> 3;
288  dst[5] = (t7 - t3) >> 3;
289  dst[6] = (t6 - t2) >> 3;
290  dst[7] = (t5 - t1) >> 3;
291 
292  src += 1;
293  dst += 8;
294  }
295 
296  src = temp;
297  dst = block;
298  for (i = 0; i < 8; i++) {
299  t1 = 12 * (src[ 0] + src[32]) + 64;
300  t2 = 12 * (src[ 0] - src[32]) + 64;
301  t3 = 16 * src[16] + 6 * src[48];
302  t4 = 6 * src[16] - 16 * src[48];
303 
304  t5 = t1 + t3;
305  t6 = t2 + t4;
306  t7 = t2 - t4;
307  t8 = t1 - t3;
308 
309  t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
310  t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
311  t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
312  t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
313 
314  dst[ 0] = (t5 + t1) >> 7;
315  dst[ 8] = (t6 + t2) >> 7;
316  dst[16] = (t7 + t3) >> 7;
317  dst[24] = (t8 + t4) >> 7;
318  dst[32] = (t8 - t4 + 1) >> 7;
319  dst[40] = (t7 - t3 + 1) >> 7;
320  dst[48] = (t6 - t2 + 1) >> 7;
321  dst[56] = (t5 - t1 + 1) >> 7;
322 
323  src++;
324  dst++;
325  }
326 }
327 
328 /* Do inverse transform on 8x4 part of block */
329 static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, int linesize, int16_t *block)
330 {
331  int i;
332  int dc = block[0];
333 
334  dc = (3 * dc + 1) >> 1;
335  dc = (17 * dc + 64) >> 7;
336 
337  for (i = 0; i < 4; i++) {
338  dest[0] = av_clip_uint8(dest[0] + dc);
339  dest[1] = av_clip_uint8(dest[1] + dc);
340  dest[2] = av_clip_uint8(dest[2] + dc);
341  dest[3] = av_clip_uint8(dest[3] + dc);
342  dest[4] = av_clip_uint8(dest[4] + dc);
343  dest[5] = av_clip_uint8(dest[5] + dc);
344  dest[6] = av_clip_uint8(dest[6] + dc);
345  dest[7] = av_clip_uint8(dest[7] + dc);
346  dest += linesize;
347  }
348 }
349 
350 static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, int16_t *block)
351 {
352  int i;
353  register int t1, t2, t3, t4, t5, t6, t7, t8;
354  int16_t *src, *dst;
355 
356  src = block;
357  dst = block;
358 
359  for (i = 0; i < 4; i++) {
360  t1 = 12 * (src[0] + src[4]) + 4;
361  t2 = 12 * (src[0] - src[4]) + 4;
362  t3 = 16 * src[2] + 6 * src[6];
363  t4 = 6 * src[2] - 16 * src[6];
364 
365  t5 = t1 + t3;
366  t6 = t2 + t4;
367  t7 = t2 - t4;
368  t8 = t1 - t3;
369 
370  t1 = 16 * src[1] + 15 * src[3] + 9 * src[5] + 4 * src[7];
371  t2 = 15 * src[1] - 4 * src[3] - 16 * src[5] - 9 * src[7];
372  t3 = 9 * src[1] - 16 * src[3] + 4 * src[5] + 15 * src[7];
373  t4 = 4 * src[1] - 9 * src[3] + 15 * src[5] - 16 * src[7];
374 
375  dst[0] = (t5 + t1) >> 3;
376  dst[1] = (t6 + t2) >> 3;
377  dst[2] = (t7 + t3) >> 3;
378  dst[3] = (t8 + t4) >> 3;
379  dst[4] = (t8 - t4) >> 3;
380  dst[5] = (t7 - t3) >> 3;
381  dst[6] = (t6 - t2) >> 3;
382  dst[7] = (t5 - t1) >> 3;
383 
384  src += 8;
385  dst += 8;
386  }
387 
388  src = block;
389  for (i = 0; i < 8; i++) {
390  t1 = 17 * (src[ 0] + src[16]) + 64;
391  t2 = 17 * (src[ 0] - src[16]) + 64;
392  t3 = 22 * src[ 8] + 10 * src[24];
393  t4 = 22 * src[24] - 10 * src[ 8];
394 
395  dest[0 * linesize] = av_clip_uint8(dest[0 * linesize] + ((t1 + t3) >> 7));
396  dest[1 * linesize] = av_clip_uint8(dest[1 * linesize] + ((t2 - t4) >> 7));
397  dest[2 * linesize] = av_clip_uint8(dest[2 * linesize] + ((t2 + t4) >> 7));
398  dest[3 * linesize] = av_clip_uint8(dest[3 * linesize] + ((t1 - t3) >> 7));
399 
400  src++;
401  dest++;
402  }
403 }
404 
405 /* Do inverse transform on 4x8 parts of block */
406 static void vc1_inv_trans_4x8_dc_c(uint8_t *dest, int linesize, int16_t *block)
407 {
408  int i;
409  int dc = block[0];
410 
411  dc = (17 * dc + 4) >> 3;
412  dc = (12 * dc + 64) >> 7;
413 
414  for (i = 0; i < 8; i++) {
415  dest[0] = av_clip_uint8(dest[0] + dc);
416  dest[1] = av_clip_uint8(dest[1] + dc);
417  dest[2] = av_clip_uint8(dest[2] + dc);
418  dest[3] = av_clip_uint8(dest[3] + dc);
419  dest += linesize;
420  }
421 }
422 
423 static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, int16_t *block)
424 {
425  int i;
426  register int t1, t2, t3, t4, t5, t6, t7, t8;
427  int16_t *src, *dst;
428 
429  src = block;
430  dst = block;
431 
432  for (i = 0; i < 8; i++) {
433  t1 = 17 * (src[0] + src[2]) + 4;
434  t2 = 17 * (src[0] - src[2]) + 4;
435  t3 = 22 * src[1] + 10 * src[3];
436  t4 = 22 * src[3] - 10 * src[1];
437 
438  dst[0] = (t1 + t3) >> 3;
439  dst[1] = (t2 - t4) >> 3;
440  dst[2] = (t2 + t4) >> 3;
441  dst[3] = (t1 - t3) >> 3;
442 
443  src += 8;
444  dst += 8;
445  }
446 
447  src = block;
448  for (i = 0; i < 4; i++) {
449  t1 = 12 * (src[ 0] + src[32]) + 64;
450  t2 = 12 * (src[ 0] - src[32]) + 64;
451  t3 = 16 * src[16] + 6 * src[48];
452  t4 = 6 * src[16] - 16 * src[48];
453 
454  t5 = t1 + t3;
455  t6 = t2 + t4;
456  t7 = t2 - t4;
457  t8 = t1 - t3;
458 
459  t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
460  t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
461  t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
462  t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
463 
464  dest[0 * linesize] = av_clip_uint8(dest[0 * linesize] + ((t5 + t1) >> 7));
465  dest[1 * linesize] = av_clip_uint8(dest[1 * linesize] + ((t6 + t2) >> 7));
466  dest[2 * linesize] = av_clip_uint8(dest[2 * linesize] + ((t7 + t3) >> 7));
467  dest[3 * linesize] = av_clip_uint8(dest[3 * linesize] + ((t8 + t4) >> 7));
468  dest[4 * linesize] = av_clip_uint8(dest[4 * linesize] + ((t8 - t4 + 1) >> 7));
469  dest[5 * linesize] = av_clip_uint8(dest[5 * linesize] + ((t7 - t3 + 1) >> 7));
470  dest[6 * linesize] = av_clip_uint8(dest[6 * linesize] + ((t6 - t2 + 1) >> 7));
471  dest[7 * linesize] = av_clip_uint8(dest[7 * linesize] + ((t5 - t1 + 1) >> 7));
472 
473  src++;
474  dest++;
475  }
476 }
477 
478 /* Do inverse transform on 4x4 part of block */
479 static void vc1_inv_trans_4x4_dc_c(uint8_t *dest, int linesize, int16_t *block)
480 {
481  int i;
482  int dc = block[0];
483 
484  dc = (17 * dc + 4) >> 3;
485  dc = (17 * dc + 64) >> 7;
486 
487  for (i = 0; i < 4; i++) {
488  dest[0] = av_clip_uint8(dest[0] + dc);
489  dest[1] = av_clip_uint8(dest[1] + dc);
490  dest[2] = av_clip_uint8(dest[2] + dc);
491  dest[3] = av_clip_uint8(dest[3] + dc);
492  dest += linesize;
493  }
494 }
495 
496 static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, int16_t *block)
497 {
498  int i;
499  register int t1, t2, t3, t4;
500  int16_t *src, *dst;
501 
502  src = block;
503  dst = block;
504  for (i = 0; i < 4; i++) {
505  t1 = 17 * (src[0] + src[2]) + 4;
506  t2 = 17 * (src[0] - src[2]) + 4;
507  t3 = 22 * src[1] + 10 * src[3];
508  t4 = 22 * src[3] - 10 * src[1];
509 
510  dst[0] = (t1 + t3) >> 3;
511  dst[1] = (t2 - t4) >> 3;
512  dst[2] = (t2 + t4) >> 3;
513  dst[3] = (t1 - t3) >> 3;
514 
515  src += 8;
516  dst += 8;
517  }
518 
519  src = block;
520  for (i = 0; i < 4; i++) {
521  t1 = 17 * (src[0] + src[16]) + 64;
522  t2 = 17 * (src[0] - src[16]) + 64;
523  t3 = 22 * src[8] + 10 * src[24];
524  t4 = 22 * src[24] - 10 * src[8];
525 
526  dest[0 * linesize] = av_clip_uint8(dest[0 * linesize] + ((t1 + t3) >> 7));
527  dest[1 * linesize] = av_clip_uint8(dest[1 * linesize] + ((t2 - t4) >> 7));
528  dest[2 * linesize] = av_clip_uint8(dest[2 * linesize] + ((t2 + t4) >> 7));
529  dest[3 * linesize] = av_clip_uint8(dest[3 * linesize] + ((t1 - t3) >> 7));
530 
531  src++;
532  dest++;
533  }
534 }
535 
536 /* motion compensation functions */
537 
538 /* Filter in case of 2 filters */
539 #define VC1_MSPEL_FILTER_16B(DIR, TYPE) \
540 static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, \
541  int stride, \
542  int mode) \
543 { \
544  switch(mode) { \
545  case 0: /* no shift - should not occur */ \
546  return 0; \
547  case 1: /* 1/4 shift */ \
548  return -4 * src[-stride] + 53 * src[0] + \
549  18 * src[stride] - 3 * src[stride * 2]; \
550  case 2: /* 1/2 shift */ \
551  return -1 * src[-stride] + 9 * src[0] + \
552  9 * src[stride] - 1 * src[stride * 2]; \
553  case 3: /* 3/4 shift */ \
554  return -3 * src[-stride] + 18 * src[0] + \
555  53 * src[stride] - 4 * src[stride * 2]; \
556  } \
557  return 0; /* should not occur */ \
558 }
559 
561 VC1_MSPEL_FILTER_16B(hor, int16_t)
562 
563 /* Filter used to interpolate fractional pel values */
565  int mode, int r)
566 {
567  switch (mode) {
568  case 0: // no shift
569  return src[0];
570  case 1: // 1/4 shift
571  return (-4 * src[-stride] + 53 * src[0] +
572  18 * src[stride] - 3 * src[stride * 2] + 32 - r) >> 6;
573  case 2: // 1/2 shift
574  return (-1 * src[-stride] + 9 * src[0] +
575  9 * src[stride] - 1 * src[stride * 2] + 8 - r) >> 4;
576  case 3: // 3/4 shift
577  return (-3 * src[-stride] + 18 * src[0] +
578  53 * src[stride] - 4 * src[stride * 2] + 32 - r) >> 6;
579  }
580  return 0; // should not occur
581 }
582 
583 /* Function used to do motion compensation with bicubic interpolation */
584 #define VC1_MSPEL_MC(OP, OPNAME) \
585 static av_always_inline void OPNAME ## vc1_mspel_mc(uint8_t *dst, \
586  const uint8_t *src, \
587  int stride, \
588  int hmode, \
589  int vmode, \
590  int rnd) \
591 { \
592  int i, j; \
593  \
594  if (vmode) { /* Horizontal filter to apply */ \
595  int r; \
596  \
597  if (hmode) { /* Vertical filter to apply, output to tmp */ \
598  static const int shift_value[] = { 0, 5, 1, 5 }; \
599  int shift = (shift_value[hmode] + shift_value[vmode]) >> 1; \
600  int16_t tmp[11 * 8], *tptr = tmp; \
601  \
602  r = (1 << (shift - 1)) + rnd - 1; \
603  \
604  src -= 1; \
605  for (j = 0; j < 8; j++) { \
606  for (i = 0; i < 11; i++) \
607  tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode) + r) >> shift; \
608  src += stride; \
609  tptr += 11; \
610  } \
611  \
612  r = 64 - rnd; \
613  tptr = tmp + 1; \
614  for (j = 0; j < 8; j++) { \
615  for (i = 0; i < 8; i++) \
616  OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode) + r) >> 7); \
617  dst += stride; \
618  tptr += 11; \
619  } \
620  \
621  return; \
622  } else { /* No horizontal filter, output 8 lines to dst */ \
623  r = 1 - rnd; \
624  \
625  for (j = 0; j < 8; j++) { \
626  for (i = 0; i < 8; i++) \
627  OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r)); \
628  src += stride; \
629  dst += stride; \
630  } \
631  return; \
632  } \
633  } \
634  \
635  /* Horizontal mode with no vertical mode */ \
636  for (j = 0; j < 8; j++) { \
637  for (i = 0; i < 8; i++) \
638  OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd)); \
639  dst += stride; \
640  src += stride; \
641  } \
642 }
643 
644 #define op_put(a, b) a = av_clip_uint8(b)
645 #define op_avg(a, b) a = (a + av_clip_uint8(b) + 1) >> 1
646 
647 VC1_MSPEL_MC(op_put, put_)
648 VC1_MSPEL_MC(op_avg, avg_)
649 
650 /* pixel functions - really are entry points to vc1_mspel_mc */
651 
652 #define PUT_VC1_MSPEL(a, b) \
653 static void put_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst, \
654  const uint8_t *src, \
655  ptrdiff_t stride, int rnd) \
656 { \
657  put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
658 } \
659 static void avg_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst, \
660  const uint8_t *src, \
661  ptrdiff_t stride, int rnd) \
662 { \
663  avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
664 }
665 
666 PUT_VC1_MSPEL(1, 0)
667 PUT_VC1_MSPEL(2, 0)
668 PUT_VC1_MSPEL(3, 0)
669 
670 PUT_VC1_MSPEL(0, 1)
671 PUT_VC1_MSPEL(1, 1)
672 PUT_VC1_MSPEL(2, 1)
673 PUT_VC1_MSPEL(3, 1)
674 
675 PUT_VC1_MSPEL(0, 2)
676 PUT_VC1_MSPEL(1, 2)
677 PUT_VC1_MSPEL(2, 2)
678 PUT_VC1_MSPEL(3, 2)
679 
680 PUT_VC1_MSPEL(0, 3)
681 PUT_VC1_MSPEL(1, 3)
682 PUT_VC1_MSPEL(2, 3)
683 PUT_VC1_MSPEL(3, 3)
684 
685 
686 static void put_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src,
687  ptrdiff_t stride, int rnd)
688 {
689  ff_put_pixels8x8_c(dst, src, stride);
690 }
691 
692 static void avg_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src,
693  ptrdiff_t stride, int rnd)
694 {
695  ff_avg_pixels8x8_c(dst, src, stride);
696 }
697 
698 #define chroma_mc(a) \
699  ((A * src[a] + B * src[a + 1] + \
700  C * src[stride + a] + D * src[stride + a + 1] + 32 - 4) >> 6)
701 static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst /* align 8 */,
702  uint8_t *src /* align 1 */,
703  int stride, int h, int x, int y)
704 {
705  const int A = (8 - x) * (8 - y);
706  const int B = (x) * (8 - y);
707  const int C = (8 - x) * (y);
708  const int D = (x) * (y);
709  int i;
710 
711  assert(x < 8 && y < 8 && x >= 0 && y >= 0);
712 
713  for (i = 0; i < h; i++) {
714  dst[0] = chroma_mc(0);
715  dst[1] = chroma_mc(1);
716  dst[2] = chroma_mc(2);
717  dst[3] = chroma_mc(3);
718  dst[4] = chroma_mc(4);
719  dst[5] = chroma_mc(5);
720  dst[6] = chroma_mc(6);
721  dst[7] = chroma_mc(7);
722  dst += stride;
723  src += stride;
724  }
725 }
726 
728  int stride, int h, int x, int y)
729 {
730  const int A = (8 - x) * (8 - y);
731  const int B = (x) * (8 - y);
732  const int C = (8 - x) * (y);
733  const int D = (x) * (y);
734  int i;
735 
736  assert(x < 8 && y < 8 && x >= 0 && y >= 0);
737 
738  for (i = 0; i < h; i++) {
739  dst[0] = chroma_mc(0);
740  dst[1] = chroma_mc(1);
741  dst[2] = chroma_mc(2);
742  dst[3] = chroma_mc(3);
743  dst += stride;
744  src += stride;
745  }
746 }
747 
748 #define avg2(a, b) (((a) + (b) + 1) >> 1)
749 static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst /* align 8 */,
750  uint8_t *src /* align 1 */,
751  int stride, int h, int x, int y)
752 {
753  const int A = (8 - x) * (8 - y);
754  const int B = (x) * (8 - y);
755  const int C = (8 - x) * (y);
756  const int D = (x) * (y);
757  int i;
758 
759  assert(x < 8 && y < 8 && x >= 0 && y >= 0);
760 
761  for (i = 0; i < h; i++) {
762  dst[0] = avg2(dst[0], chroma_mc(0));
763  dst[1] = avg2(dst[1], chroma_mc(1));
764  dst[2] = avg2(dst[2], chroma_mc(2));
765  dst[3] = avg2(dst[3], chroma_mc(3));
766  dst[4] = avg2(dst[4], chroma_mc(4));
767  dst[5] = avg2(dst[5], chroma_mc(5));
768  dst[6] = avg2(dst[6], chroma_mc(6));
769  dst[7] = avg2(dst[7], chroma_mc(7));
770  dst += stride;
771  src += stride;
772  }
773 }
774 
775 static void avg_no_rnd_vc1_chroma_mc4_c(uint8_t *dst /* align 8 */,
776  uint8_t *src /* align 1 */,
777  int stride, int h, int x, int y)
778 {
779  const int A = (8 - x) * (8 - y);
780  const int B = ( x) * (8 - y);
781  const int C = (8 - x) * ( y);
782  const int D = ( x) * ( y);
783  int i;
784 
785  assert(x < 8 && y < 8 && x >= 0 && y >= 0);
786 
787  for (i = 0; i < h; i++) {
788  dst[0] = avg2(dst[0], chroma_mc(0));
789  dst[1] = avg2(dst[1], chroma_mc(1));
790  dst[2] = avg2(dst[2], chroma_mc(2));
791  dst[3] = avg2(dst[3], chroma_mc(3));
792  dst += stride;
793  src += stride;
794  }
795 }
796 
797 #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
798 
799 static void sprite_h_c(uint8_t *dst, const uint8_t *src, int offset,
800  int advance, int count)
801 {
802  while (count--) {
803  int a = src[(offset >> 16)];
804  int b = src[(offset >> 16) + 1];
805  *dst++ = a + ((b - a) * (offset & 0xFFFF) >> 16);
806  offset += advance;
807  }
808 }
809 
810 static av_always_inline void sprite_v_template(uint8_t *dst,
811  const uint8_t *src1a,
812  const uint8_t *src1b,
813  int offset1,
814  int two_sprites,
815  const uint8_t *src2a,
816  const uint8_t *src2b,
817  int offset2,
818  int alpha, int scaled,
819  int width)
820 {
821  int a1, b1, a2, b2;
822  while (width--) {
823  a1 = *src1a++;
824  if (scaled) {
825  b1 = *src1b++;
826  a1 = a1 + ((b1 - a1) * offset1 >> 16);
827  }
828  if (two_sprites) {
829  a2 = *src2a++;
830  if (scaled > 1) {
831  b2 = *src2b++;
832  a2 = a2 + ((b2 - a2) * offset2 >> 16);
833  }
834  a1 = a1 + ((a2 - a1) * alpha >> 16);
835  }
836  *dst++ = a1;
837  }
838 }
839 
840 static void sprite_v_single_c(uint8_t *dst, const uint8_t *src1a,
841  const uint8_t *src1b,
842  int offset, int width)
843 {
844  sprite_v_template(dst, src1a, src1b, offset, 0, NULL, NULL, 0, 0, 1, width);
845 }
846 
847 static void sprite_v_double_noscale_c(uint8_t *dst, const uint8_t *src1a,
848  const uint8_t *src2a,
849  int alpha, int width)
850 {
851  sprite_v_template(dst, src1a, NULL, 0, 1, src2a, NULL, 0, alpha, 0, width);
852 }
853 
854 static void sprite_v_double_onescale_c(uint8_t *dst,
855  const uint8_t *src1a,
856  const uint8_t *src1b,
857  int offset1,
858  const uint8_t *src2a,
859  int alpha, int width)
860 {
861  sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, NULL, 0, alpha, 1,
862  width);
863 }
864 
865 static void sprite_v_double_twoscale_c(uint8_t *dst,
866  const uint8_t *src1a,
867  const uint8_t *src1b,
868  int offset1,
869  const uint8_t *src2a,
870  const uint8_t *src2b,
871  int offset2,
872  int alpha,
873  int width)
874 {
875  sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, src2b, offset2,
876  alpha, 2, width);
877 }
878 
879 #endif /* CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER */
880 
882 {
891 
896 
903 
905  dsp->put_vc1_mspel_pixels_tab[1] = put_vc1_mspel_mc10_c;
906  dsp->put_vc1_mspel_pixels_tab[2] = put_vc1_mspel_mc20_c;
907  dsp->put_vc1_mspel_pixels_tab[3] = put_vc1_mspel_mc30_c;
908  dsp->put_vc1_mspel_pixels_tab[4] = put_vc1_mspel_mc01_c;
909  dsp->put_vc1_mspel_pixels_tab[5] = put_vc1_mspel_mc11_c;
910  dsp->put_vc1_mspel_pixels_tab[6] = put_vc1_mspel_mc21_c;
911  dsp->put_vc1_mspel_pixels_tab[7] = put_vc1_mspel_mc31_c;
912  dsp->put_vc1_mspel_pixels_tab[8] = put_vc1_mspel_mc02_c;
913  dsp->put_vc1_mspel_pixels_tab[9] = put_vc1_mspel_mc12_c;
914  dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_c;
915  dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_c;
916  dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_c;
917  dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_c;
918  dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_c;
919  dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_c;
920 
922  dsp->avg_vc1_mspel_pixels_tab[1] = avg_vc1_mspel_mc10_c;
923  dsp->avg_vc1_mspel_pixels_tab[2] = avg_vc1_mspel_mc20_c;
924  dsp->avg_vc1_mspel_pixels_tab[3] = avg_vc1_mspel_mc30_c;
925  dsp->avg_vc1_mspel_pixels_tab[4] = avg_vc1_mspel_mc01_c;
926  dsp->avg_vc1_mspel_pixels_tab[5] = avg_vc1_mspel_mc11_c;
927  dsp->avg_vc1_mspel_pixels_tab[6] = avg_vc1_mspel_mc21_c;
928  dsp->avg_vc1_mspel_pixels_tab[7] = avg_vc1_mspel_mc31_c;
929  dsp->avg_vc1_mspel_pixels_tab[8] = avg_vc1_mspel_mc02_c;
930  dsp->avg_vc1_mspel_pixels_tab[9] = avg_vc1_mspel_mc12_c;
931  dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_c;
932  dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_c;
933  dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_c;
934  dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_c;
935  dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_c;
936  dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_c;
937 
942 
943 #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
944  dsp->sprite_h = sprite_h_c;
945  dsp->sprite_v_single = sprite_v_single_c;
946  dsp->sprite_v_double_noscale = sprite_v_double_noscale_c;
947  dsp->sprite_v_double_onescale = sprite_v_double_onescale_c;
948  dsp->sprite_v_double_twoscale = sprite_v_double_twoscale_c;
949 #endif /* CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER */
950 
952 
953  if (ARCH_AARCH64)
955  if (ARCH_ARM)
956  ff_vc1dsp_init_arm(dsp);
957  if (ARCH_PPC)
958  ff_vc1dsp_init_ppc(dsp);
959  if (ARCH_X86)
960  ff_vc1dsp_init_x86(dsp);
961 }
static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, int16_t *block)
Definition: vc1dsp.c:496
op_pixels_func avg_vc1_mspel_pixels_tab[16]
Definition: vc1dsp.h:58
VC-1 and WMV3 decoder.
void(* vc1_h_s_overlap)(int16_t *left, int16_t *right)
Definition: vc1dsp.h:46
static void vc1_inv_trans_4x8_dc_c(uint8_t *dest, int linesize, int16_t *block)
Definition: vc1dsp.c:406
void(* vc1_inv_trans_4x8)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:37
void(* sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, const uint8_t *src2a, int alpha, int width)
Definition: vc1dsp.h:68
static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, int linesize, int16_t *block)
Definition: vc1dsp.c:238
#define ARCH_PPC
Definition: config.h:24
static void put_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y)
Definition: vc1dsp.c:727
static void put_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int rnd)
Definition: vc1dsp.c:686
static av_always_inline int vc1_filter_line(uint8_t *src, int stride, int pq)
VC-1 in-loop deblocking filter for one line.
Definition: vc1dsp.c:141
void(* vc1_v_loop_filter16)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:51
static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:227
static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:207
void(* vc1_v_overlap)(uint8_t *src, int stride)
Definition: vc1dsp.h:43
void(* sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width)
Definition: vc1dsp.h:66
void(* vc1_h_loop_filter16)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:52
int(* startcode_find_candidate)(const uint8_t *buf, int size)
Search buf from the start for up to size bytes.
Definition: vc1dsp.h:80
int stride
Definition: mace.c:144
void(* vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:40
void(* vc1_v_loop_filter4)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:47
#define VC1_MSPEL_FILTER_16B(DIR, TYPE)
Definition: vc1dsp.c:539
static int16_t block[64]
Definition: dct.c:97
uint8_t
#define av_cold
Definition: attributes.h:66
static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:232
Definition: vf_drawbox.c:37
#define op_avg(a, b)
Definition: vc1dsp.c:645
#define b
Definition: input.c:52
#define avg2(a, b)
Definition: vc1dsp.c:748
void(* vc1_inv_trans_8x8)(int16_t *b)
Definition: vc1dsp.h:35
quarterpel DSP functions
#define B
Definition: huffyuv.h:49
#define r
Definition: input.c:51
static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y)
Definition: vc1dsp.c:749
void(* vc1_h_loop_filter8)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:50
#define src
Definition: vp8dsp.c:254
static void vc1_h_overlap_c(uint8_t *src, int stride)
Definition: vc1dsp.c:58
void(* vc1_inv_trans_4x4)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:38
#define chroma_mc(a)
Definition: vc1dsp.c:698
static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y)
Definition: vc1dsp.c:701
void ff_put_pixels8x8_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
Definition: qpeldsp.c:700
#define ARCH_X86
Definition: config.h:33
void(* vc1_v_loop_filter8)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:49
void(* vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:39
#define op_put(a, b)
Definition: vc1dsp.c:644
static void vc1_loop_filter(uint8_t *src, int step, int stride, int len, int pq)
VC-1 in-loop deblocking filter.
Definition: vc1dsp.c:190
#define FFMIN(a, b)
Definition: common.h:66
#define ARCH_ARM
Definition: config.h:14
static void vc1_inv_trans_8x8_c(int16_t block[64])
Definition: vc1dsp.c:259
void ff_vc1dsp_init_x86(VC1DSPContext *dsp)
Definition: vc1dsp_init.c:85
void(* vc1_h_overlap)(uint8_t *src, int stride)
Definition: vc1dsp.h:44
#define FFABS(a)
Definition: common.h:61
static void vc1_v_s_overlap_c(int16_t *top, int16_t *bottom)
Definition: vc1dsp.c:81
void(* vc1_v_s_overlap)(int16_t *top, int16_t *bottom)
Definition: vc1dsp.h:45
static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:217
av_cold void ff_vc1dsp_init_aarch64(VC1DSPContext *dsp)
void(* vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:41
h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3]
Definition: vc1dsp.h:62
NULL
Definition: eval.c:55
static int width
Definition: utils.c:156
int ff_startcode_find_candidate_c(const uint8_t *buf, int size)
Definition: startcode.c:31
#define PUT_VC1_MSPEL(a, b)
Definition: vc1dsp.c:652
void(* sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width)
Definition: vc1dsp.h:67
#define VC1_MSPEL_MC(OP, OPNAME)
Definition: vc1dsp.c:584
void(* vc1_inv_trans_8x4)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:36
void(* sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, const uint8_t *src2a, const uint8_t *src2b, int offset2, int alpha, int width)
Definition: vc1dsp.h:70
static void avg_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y)
Definition: vc1dsp.c:775
static int step
Definition: avplay.c:247
static void vc1_h_s_overlap_c(int16_t *left, int16_t *right)
Definition: vc1dsp.c:107
#define D
Definition: options_table.h:38
static void vc1_v_overlap_c(uint8_t *src, int stride)
Definition: vc1dsp.c:34
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> dc
h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3]
Definition: vc1dsp.h:61
static void avg_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int rnd)
Definition: vc1dsp.c:692
static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:222
common internal and external API header
static double clip(void *opaque, double val)
Clip value val in the minval - maxval range.
Definition: vf_lut.c:162
#define rnd()
Definition: checkasm.h:65
static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:212
static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, int16_t *block)
Definition: vc1dsp.c:350
static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r)
Definition: vc1dsp.c:564
int len
av_cold void ff_vc1dsp_init_arm(VC1DSPContext *dsp)
#define ARCH_AARCH64
Definition: config.h:12
void(* vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:42
void(* vc1_h_loop_filter4)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:48
#define av_always_inline
Definition: attributes.h:40
static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, int linesize, int16_t *block)
Definition: vc1dsp.c:329
av_cold void ff_vc1dsp_init_ppc(VC1DSPContext *dsp)
void(* sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count)
Definition: vc1dsp.h:65
av_cold void ff_vc1dsp_init(VC1DSPContext *dsp)
Definition: vc1dsp.c:881
static void vc1_inv_trans_4x4_dc_c(uint8_t *dest, int linesize, int16_t *block)
Definition: vc1dsp.c:479
void ff_avg_pixels8x8_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
Definition: qpeldsp.c:705
op_pixels_func put_vc1_mspel_pixels_tab[16]
Definition: vc1dsp.h:57
static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, int16_t *block)
Definition: vc1dsp.c:423