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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 FFmpeg.
6  *
7  * FFmpeg 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  * FFmpeg 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 FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 /**
23  * @file
24  * VC-1 and WMV3 decoder
25  */
26 
27 #include "libavutil/avassert.h"
28 #include "libavutil/common.h"
29 #include "libavutil/intreadwrite.h"
30 #include "h264chroma.h"
31 #include "qpeldsp.h"
32 #include "rnd_avg.h"
33 #include "vc1dsp.h"
34 #include "startcode.h"
35 
36 /* Apply overlap transform to horizontal edge */
37 static void vc1_v_overlap_c(uint8_t *src, int stride)
38 {
39  int i;
40  int a, b, c, d;
41  int d1, d2;
42  int rnd = 1;
43  for (i = 0; i < 8; i++) {
44  a = src[-2 * stride];
45  b = src[-stride];
46  c = src[0];
47  d = src[stride];
48  d1 = (a - d + 3 + rnd) >> 3;
49  d2 = (a - d + b - c + 4 - rnd) >> 3;
50 
51  src[-2 * stride] = a - d1;
52  src[-stride] = av_clip_uint8(b - d2);
53  src[0] = av_clip_uint8(c + d2);
54  src[stride] = d + d1;
55  src++;
56  rnd = !rnd;
57  }
58 }
59 
60 /* Apply overlap transform to vertical edge */
61 static void vc1_h_overlap_c(uint8_t *src, int stride)
62 {
63  int i;
64  int a, b, c, d;
65  int d1, d2;
66  int rnd = 1;
67  for (i = 0; i < 8; i++) {
68  a = src[-2];
69  b = src[-1];
70  c = src[0];
71  d = src[1];
72  d1 = (a - d + 3 + rnd) >> 3;
73  d2 = (a - d + b - c + 4 - rnd) >> 3;
74 
75  src[-2] = a - d1;
76  src[-1] = av_clip_uint8(b - d2);
77  src[0] = av_clip_uint8(c + d2);
78  src[1] = d + d1;
79  src += stride;
80  rnd = !rnd;
81  }
82 }
83 
84 static void vc1_v_s_overlap_c(int16_t *top, int16_t *bottom)
85 {
86  int i;
87  int a, b, c, d;
88  int d1, d2;
89  int rnd1 = 4, rnd2 = 3;
90  for (i = 0; i < 8; i++) {
91  a = top[48];
92  b = top[56];
93  c = bottom[0];
94  d = bottom[8];
95  d1 = a - d;
96  d2 = a - d + b - c;
97 
98  top[48] = ((a << 3) - d1 + rnd1) >> 3;
99  top[56] = ((b << 3) - d2 + rnd2) >> 3;
100  bottom[0] = ((c << 3) + d2 + rnd1) >> 3;
101  bottom[8] = ((d << 3) + d1 + rnd2) >> 3;
102 
103  bottom++;
104  top++;
105  rnd2 = 7 - rnd2;
106  rnd1 = 7 - rnd1;
107  }
108 }
109 
110 static void vc1_h_s_overlap_c(int16_t *left, int16_t *right)
111 {
112  int i;
113  int a, b, c, d;
114  int d1, d2;
115  int rnd1 = 4, rnd2 = 3;
116  for (i = 0; i < 8; i++) {
117  a = left[6];
118  b = left[7];
119  c = right[0];
120  d = right[1];
121  d1 = a - d;
122  d2 = a - d + b - c;
123 
124  left[6] = ((a << 3) - d1 + rnd1) >> 3;
125  left[7] = ((b << 3) - d2 + rnd2) >> 3;
126  right[0] = ((c << 3) + d2 + rnd1) >> 3;
127  right[1] = ((d << 3) + d1 + rnd2) >> 3;
128 
129  right += 8;
130  left += 8;
131  rnd2 = 7 - rnd2;
132  rnd1 = 7 - rnd1;
133  }
134 }
135 
136 /**
137  * VC-1 in-loop deblocking filter for one line
138  * @param src source block type
139  * @param stride block stride
140  * @param pq block quantizer
141  * @return whether other 3 pairs should be filtered or not
142  * @see 8.6
143  */
144 static av_always_inline int vc1_filter_line(uint8_t *src, int stride, int pq)
145 {
146  int a0 = (2 * (src[-2 * stride] - src[1 * stride]) -
147  5 * (src[-1 * stride] - src[0 * stride]) + 4) >> 3;
148  int a0_sign = a0 >> 31; /* Store sign */
149 
150  a0 = (a0 ^ a0_sign) - a0_sign; /* a0 = FFABS(a0); */
151  if (a0 < pq) {
152  int a1 = FFABS((2 * (src[-4 * stride] - src[-1 * stride]) -
153  5 * (src[-3 * stride] - src[-2 * stride]) + 4) >> 3);
154  int a2 = FFABS((2 * (src[ 0 * stride] - src[ 3 * stride]) -
155  5 * (src[ 1 * stride] - src[ 2 * stride]) + 4) >> 3);
156  if (a1 < a0 || a2 < a0) {
157  int clip = src[-1 * stride] - src[0 * stride];
158  int clip_sign = clip >> 31;
159 
160  clip = ((clip ^ clip_sign) - clip_sign) >> 1;
161  if (clip) {
162  int a3 = FFMIN(a1, a2);
163  int d = 5 * (a3 - a0);
164  int d_sign = (d >> 31);
165 
166  d = ((d ^ d_sign) - d_sign) >> 3;
167  d_sign ^= a0_sign;
168 
169  if (d_sign ^ clip_sign)
170  d = 0;
171  else {
172  d = FFMIN(d, clip);
173  d = (d ^ d_sign) - d_sign; /* Restore sign */
174  src[-1 * stride] = av_clip_uint8(src[-1 * stride] - d);
175  src[ 0 * stride] = av_clip_uint8(src[ 0 * stride] + d);
176  }
177  return 1;
178  }
179  }
180  }
181  return 0;
182 }
183 
184 /**
185  * VC-1 in-loop deblocking filter
186  * @param src source block type
187  * @param step distance between horizontally adjacent elements
188  * @param stride distance between vertically adjacent elements
189  * @param len edge length to filter (4 or 8 pixels)
190  * @param pq block quantizer
191  * @see 8.6
192  */
193 static inline void vc1_loop_filter(uint8_t *src, int step, int stride,
194  int len, int pq)
195 {
196  int i;
197  int filt3;
198 
199  for (i = 0; i < len; i += 4) {
200  filt3 = vc1_filter_line(src + 2 * step, stride, pq);
201  if (filt3) {
202  vc1_filter_line(src + 0 * step, stride, pq);
203  vc1_filter_line(src + 1 * step, stride, pq);
204  vc1_filter_line(src + 3 * step, stride, pq);
205  }
206  src += step * 4;
207  }
208 }
209 
210 static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq)
211 {
212  vc1_loop_filter(src, 1, stride, 4, pq);
213 }
214 
215 static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq)
216 {
217  vc1_loop_filter(src, stride, 1, 4, pq);
218 }
219 
220 static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq)
221 {
222  vc1_loop_filter(src, 1, stride, 8, pq);
223 }
224 
225 static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq)
226 {
227  vc1_loop_filter(src, stride, 1, 8, pq);
228 }
229 
230 static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq)
231 {
232  vc1_loop_filter(src, 1, stride, 16, pq);
233 }
234 
235 static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq)
236 {
237  vc1_loop_filter(src, stride, 1, 16, pq);
238 }
239 
240 /* Do inverse transform on 8x8 block */
241 static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
242 {
243  int i;
244  int dc = block[0];
245 
246  dc = (3 * dc + 1) >> 1;
247  dc = (3 * dc + 16) >> 5;
248 
249  for (i = 0; i < 8; i++) {
250  dest[0] = av_clip_uint8(dest[0] + dc);
251  dest[1] = av_clip_uint8(dest[1] + dc);
252  dest[2] = av_clip_uint8(dest[2] + dc);
253  dest[3] = av_clip_uint8(dest[3] + dc);
254  dest[4] = av_clip_uint8(dest[4] + dc);
255  dest[5] = av_clip_uint8(dest[5] + dc);
256  dest[6] = av_clip_uint8(dest[6] + dc);
257  dest[7] = av_clip_uint8(dest[7] + dc);
258  dest += stride;
259  }
260 }
261 
262 static void vc1_inv_trans_8x8_c(int16_t block[64])
263 {
264  int i;
265  register int t1, t2, t3, t4, t5, t6, t7, t8;
266  int16_t *src, *dst, temp[64];
267 
268  src = block;
269  dst = temp;
270  for (i = 0; i < 8; i++) {
271  t1 = 12 * (src[ 0] + src[32]) + 4;
272  t2 = 12 * (src[ 0] - src[32]) + 4;
273  t3 = 16 * src[16] + 6 * src[48];
274  t4 = 6 * src[16] - 16 * src[48];
275 
276  t5 = t1 + t3;
277  t6 = t2 + t4;
278  t7 = t2 - t4;
279  t8 = t1 - t3;
280 
281  t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
282  t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
283  t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
284  t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
285 
286  dst[0] = (t5 + t1) >> 3;
287  dst[1] = (t6 + t2) >> 3;
288  dst[2] = (t7 + t3) >> 3;
289  dst[3] = (t8 + t4) >> 3;
290  dst[4] = (t8 - t4) >> 3;
291  dst[5] = (t7 - t3) >> 3;
292  dst[6] = (t6 - t2) >> 3;
293  dst[7] = (t5 - t1) >> 3;
294 
295  src += 1;
296  dst += 8;
297  }
298 
299  src = temp;
300  dst = block;
301  for (i = 0; i < 8; i++) {
302  t1 = 12 * (src[ 0] + src[32]) + 64;
303  t2 = 12 * (src[ 0] - src[32]) + 64;
304  t3 = 16 * src[16] + 6 * src[48];
305  t4 = 6 * src[16] - 16 * src[48];
306 
307  t5 = t1 + t3;
308  t6 = t2 + t4;
309  t7 = t2 - t4;
310  t8 = t1 - t3;
311 
312  t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
313  t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
314  t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
315  t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
316 
317  dst[ 0] = (t5 + t1) >> 7;
318  dst[ 8] = (t6 + t2) >> 7;
319  dst[16] = (t7 + t3) >> 7;
320  dst[24] = (t8 + t4) >> 7;
321  dst[32] = (t8 - t4 + 1) >> 7;
322  dst[40] = (t7 - t3 + 1) >> 7;
323  dst[48] = (t6 - t2 + 1) >> 7;
324  dst[56] = (t5 - t1 + 1) >> 7;
325 
326  src++;
327  dst++;
328  }
329 }
330 
331 /* Do inverse transform on 8x4 part of block */
332 static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
333 {
334  int i;
335  int dc = block[0];
336 
337  dc = (3 * dc + 1) >> 1;
338  dc = (17 * dc + 64) >> 7;
339 
340  for (i = 0; i < 4; i++) {
341  dest[0] = av_clip_uint8(dest[0] + dc);
342  dest[1] = av_clip_uint8(dest[1] + dc);
343  dest[2] = av_clip_uint8(dest[2] + dc);
344  dest[3] = av_clip_uint8(dest[3] + dc);
345  dest[4] = av_clip_uint8(dest[4] + dc);
346  dest[5] = av_clip_uint8(dest[5] + dc);
347  dest[6] = av_clip_uint8(dest[6] + dc);
348  dest[7] = av_clip_uint8(dest[7] + dc);
349  dest += stride;
350  }
351 }
352 
353 static void vc1_inv_trans_8x4_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
354 {
355  int i;
356  register int t1, t2, t3, t4, t5, t6, t7, t8;
357  int16_t *src, *dst;
358 
359  src = block;
360  dst = block;
361 
362  for (i = 0; i < 4; i++) {
363  t1 = 12 * (src[0] + src[4]) + 4;
364  t2 = 12 * (src[0] - src[4]) + 4;
365  t3 = 16 * src[2] + 6 * src[6];
366  t4 = 6 * src[2] - 16 * src[6];
367 
368  t5 = t1 + t3;
369  t6 = t2 + t4;
370  t7 = t2 - t4;
371  t8 = t1 - t3;
372 
373  t1 = 16 * src[1] + 15 * src[3] + 9 * src[5] + 4 * src[7];
374  t2 = 15 * src[1] - 4 * src[3] - 16 * src[5] - 9 * src[7];
375  t3 = 9 * src[1] - 16 * src[3] + 4 * src[5] + 15 * src[7];
376  t4 = 4 * src[1] - 9 * src[3] + 15 * src[5] - 16 * src[7];
377 
378  dst[0] = (t5 + t1) >> 3;
379  dst[1] = (t6 + t2) >> 3;
380  dst[2] = (t7 + t3) >> 3;
381  dst[3] = (t8 + t4) >> 3;
382  dst[4] = (t8 - t4) >> 3;
383  dst[5] = (t7 - t3) >> 3;
384  dst[6] = (t6 - t2) >> 3;
385  dst[7] = (t5 - t1) >> 3;
386 
387  src += 8;
388  dst += 8;
389  }
390 
391  src = block;
392  for (i = 0; i < 8; i++) {
393  t1 = 17 * (src[ 0] + src[16]) + 64;
394  t2 = 17 * (src[ 0] - src[16]) + 64;
395  t3 = 22 * src[ 8] + 10 * src[24];
396  t4 = 22 * src[24] - 10 * src[ 8];
397 
398  dest[0 * stride] = av_clip_uint8(dest[0 * stride] + ((t1 + t3) >> 7));
399  dest[1 * stride] = av_clip_uint8(dest[1 * stride] + ((t2 - t4) >> 7));
400  dest[2 * stride] = av_clip_uint8(dest[2 * stride] + ((t2 + t4) >> 7));
401  dest[3 * stride] = av_clip_uint8(dest[3 * stride] + ((t1 - t3) >> 7));
402 
403  src++;
404  dest++;
405  }
406 }
407 
408 /* Do inverse transform on 4x8 parts of block */
409 static void vc1_inv_trans_4x8_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
410 {
411  int i;
412  int dc = block[0];
413 
414  dc = (17 * dc + 4) >> 3;
415  dc = (12 * dc + 64) >> 7;
416 
417  for (i = 0; i < 8; i++) {
418  dest[0] = av_clip_uint8(dest[0] + dc);
419  dest[1] = av_clip_uint8(dest[1] + dc);
420  dest[2] = av_clip_uint8(dest[2] + dc);
421  dest[3] = av_clip_uint8(dest[3] + dc);
422  dest += stride;
423  }
424 }
425 
426 static void vc1_inv_trans_4x8_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
427 {
428  int i;
429  register int t1, t2, t3, t4, t5, t6, t7, t8;
430  int16_t *src, *dst;
431 
432  src = block;
433  dst = block;
434 
435  for (i = 0; i < 8; i++) {
436  t1 = 17 * (src[0] + src[2]) + 4;
437  t2 = 17 * (src[0] - src[2]) + 4;
438  t3 = 22 * src[1] + 10 * src[3];
439  t4 = 22 * src[3] - 10 * src[1];
440 
441  dst[0] = (t1 + t3) >> 3;
442  dst[1] = (t2 - t4) >> 3;
443  dst[2] = (t2 + t4) >> 3;
444  dst[3] = (t1 - t3) >> 3;
445 
446  src += 8;
447  dst += 8;
448  }
449 
450  src = block;
451  for (i = 0; i < 4; i++) {
452  t1 = 12 * (src[ 0] + src[32]) + 64;
453  t2 = 12 * (src[ 0] - src[32]) + 64;
454  t3 = 16 * src[16] + 6 * src[48];
455  t4 = 6 * src[16] - 16 * src[48];
456 
457  t5 = t1 + t3;
458  t6 = t2 + t4;
459  t7 = t2 - t4;
460  t8 = t1 - t3;
461 
462  t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
463  t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
464  t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
465  t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
466 
467  dest[0 * stride] = av_clip_uint8(dest[0 * stride] + ((t5 + t1) >> 7));
468  dest[1 * stride] = av_clip_uint8(dest[1 * stride] + ((t6 + t2) >> 7));
469  dest[2 * stride] = av_clip_uint8(dest[2 * stride] + ((t7 + t3) >> 7));
470  dest[3 * stride] = av_clip_uint8(dest[3 * stride] + ((t8 + t4) >> 7));
471  dest[4 * stride] = av_clip_uint8(dest[4 * stride] + ((t8 - t4 + 1) >> 7));
472  dest[5 * stride] = av_clip_uint8(dest[5 * stride] + ((t7 - t3 + 1) >> 7));
473  dest[6 * stride] = av_clip_uint8(dest[6 * stride] + ((t6 - t2 + 1) >> 7));
474  dest[7 * stride] = av_clip_uint8(dest[7 * stride] + ((t5 - t1 + 1) >> 7));
475 
476  src++;
477  dest++;
478  }
479 }
480 
481 /* Do inverse transform on 4x4 part of block */
482 static void vc1_inv_trans_4x4_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
483 {
484  int i;
485  int dc = block[0];
486 
487  dc = (17 * dc + 4) >> 3;
488  dc = (17 * dc + 64) >> 7;
489 
490  for (i = 0; i < 4; i++) {
491  dest[0] = av_clip_uint8(dest[0] + dc);
492  dest[1] = av_clip_uint8(dest[1] + dc);
493  dest[2] = av_clip_uint8(dest[2] + dc);
494  dest[3] = av_clip_uint8(dest[3] + dc);
495  dest += stride;
496  }
497 }
498 
499 static void vc1_inv_trans_4x4_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
500 {
501  int i;
502  register int t1, t2, t3, t4;
503  int16_t *src, *dst;
504 
505  src = block;
506  dst = block;
507  for (i = 0; i < 4; i++) {
508  t1 = 17 * (src[0] + src[2]) + 4;
509  t2 = 17 * (src[0] - src[2]) + 4;
510  t3 = 22 * src[1] + 10 * src[3];
511  t4 = 22 * src[3] - 10 * src[1];
512 
513  dst[0] = (t1 + t3) >> 3;
514  dst[1] = (t2 - t4) >> 3;
515  dst[2] = (t2 + t4) >> 3;
516  dst[3] = (t1 - t3) >> 3;
517 
518  src += 8;
519  dst += 8;
520  }
521 
522  src = block;
523  for (i = 0; i < 4; i++) {
524  t1 = 17 * (src[0] + src[16]) + 64;
525  t2 = 17 * (src[0] - src[16]) + 64;
526  t3 = 22 * src[8] + 10 * src[24];
527  t4 = 22 * src[24] - 10 * src[8];
528 
529  dest[0 * stride] = av_clip_uint8(dest[0 * stride] + ((t1 + t3) >> 7));
530  dest[1 * stride] = av_clip_uint8(dest[1 * stride] + ((t2 - t4) >> 7));
531  dest[2 * stride] = av_clip_uint8(dest[2 * stride] + ((t2 + t4) >> 7));
532  dest[3 * stride] = av_clip_uint8(dest[3 * stride] + ((t1 - t3) >> 7));
533 
534  src++;
535  dest++;
536  }
537 }
538 
539 /* motion compensation functions */
540 
541 /* Filter in case of 2 filters */
542 #define VC1_MSPEL_FILTER_16B(DIR, TYPE) \
543 static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, \
544  int stride, \
545  int mode) \
546 { \
547  switch(mode) { \
548  case 0: /* no shift - should not occur */ \
549  return 0; \
550  case 1: /* 1/4 shift */ \
551  return -4 * src[-stride] + 53 * src[0] + \
552  18 * src[stride] - 3 * src[stride * 2]; \
553  case 2: /* 1/2 shift */ \
554  return -1 * src[-stride] + 9 * src[0] + \
555  9 * src[stride] - 1 * src[stride * 2]; \
556  case 3: /* 3/4 shift */ \
557  return -3 * src[-stride] + 18 * src[0] + \
558  53 * src[stride] - 4 * src[stride * 2]; \
559  } \
560  return 0; /* should not occur */ \
561 }
562 
563 VC1_MSPEL_FILTER_16B(ver, uint8_t)
564 VC1_MSPEL_FILTER_16B(hor, int16_t)
565 
566 /* Filter used to interpolate fractional pel values */
567 static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride,
568  int mode, int r)
569 {
570  switch (mode) {
571  case 0: // no shift
572  return src[0];
573  case 1: // 1/4 shift
574  return (-4 * src[-stride] + 53 * src[0] +
575  18 * src[stride] - 3 * src[stride * 2] + 32 - r) >> 6;
576  case 2: // 1/2 shift
577  return (-1 * src[-stride] + 9 * src[0] +
578  9 * src[stride] - 1 * src[stride * 2] + 8 - r) >> 4;
579  case 3: // 3/4 shift
580  return (-3 * src[-stride] + 18 * src[0] +
581  53 * src[stride] - 4 * src[stride * 2] + 32 - r) >> 6;
582  }
583  return 0; // should not occur
584 }
585 
586 /* Function used to do motion compensation with bicubic interpolation */
587 #define VC1_MSPEL_MC(OP, OP4, OPNAME) \
588 static av_always_inline void OPNAME ## vc1_mspel_mc(uint8_t *dst, \
589  const uint8_t *src, \
590  ptrdiff_t stride, \
591  int hmode, \
592  int vmode, \
593  int rnd) \
594 { \
595  int i, j; \
596  \
597  if (vmode) { /* Horizontal filter to apply */ \
598  int r; \
599  \
600  if (hmode) { /* Vertical filter to apply, output to tmp */ \
601  static const int shift_value[] = { 0, 5, 1, 5 }; \
602  int shift = (shift_value[hmode] + shift_value[vmode]) >> 1; \
603  int16_t tmp[11 * 8], *tptr = tmp; \
604  \
605  r = (1 << (shift - 1)) + rnd - 1; \
606  \
607  src -= 1; \
608  for (j = 0; j < 8; j++) { \
609  for (i = 0; i < 11; i++) \
610  tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode) + r) >> shift; \
611  src += stride; \
612  tptr += 11; \
613  } \
614  \
615  r = 64 - rnd; \
616  tptr = tmp + 1; \
617  for (j = 0; j < 8; j++) { \
618  for (i = 0; i < 8; i++) \
619  OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode) + r) >> 7); \
620  dst += stride; \
621  tptr += 11; \
622  } \
623  \
624  return; \
625  } else { /* No horizontal filter, output 8 lines to dst */ \
626  r = 1 - rnd; \
627  \
628  for (j = 0; j < 8; j++) { \
629  for (i = 0; i < 8; i++) \
630  OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r)); \
631  src += stride; \
632  dst += stride; \
633  } \
634  return; \
635  } \
636  } \
637  \
638  /* Horizontal mode with no vertical mode */ \
639  for (j = 0; j < 8; j++) { \
640  for (i = 0; i < 8; i++) \
641  OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd)); \
642  dst += stride; \
643  src += stride; \
644  } \
645 }\
646 static av_always_inline void OPNAME ## vc1_mspel_mc_16(uint8_t *dst, \
647  const uint8_t *src, \
648  ptrdiff_t stride, \
649  int hmode, \
650  int vmode, \
651  int rnd) \
652 { \
653  int i, j; \
654  \
655  if (vmode) { /* Horizontal filter to apply */ \
656  int r; \
657  \
658  if (hmode) { /* Vertical filter to apply, output to tmp */ \
659  static const int shift_value[] = { 0, 5, 1, 5 }; \
660  int shift = (shift_value[hmode] + shift_value[vmode]) >> 1; \
661  int16_t tmp[19 * 16], *tptr = tmp; \
662  \
663  r = (1 << (shift - 1)) + rnd - 1; \
664  \
665  src -= 1; \
666  for (j = 0; j < 16; j++) { \
667  for (i = 0; i < 19; i++) \
668  tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode) + r) >> shift; \
669  src += stride; \
670  tptr += 19; \
671  } \
672  \
673  r = 64 - rnd; \
674  tptr = tmp + 1; \
675  for (j = 0; j < 16; j++) { \
676  for (i = 0; i < 16; i++) \
677  OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode) + r) >> 7); \
678  dst += stride; \
679  tptr += 19; \
680  } \
681  \
682  return; \
683  } else { /* No horizontal filter, output 8 lines to dst */ \
684  r = 1 - rnd; \
685  \
686  for (j = 0; j < 16; j++) { \
687  for (i = 0; i < 16; i++) \
688  OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r)); \
689  src += stride; \
690  dst += stride; \
691  } \
692  return; \
693  } \
694  } \
695  \
696  /* Horizontal mode with no vertical mode */ \
697  for (j = 0; j < 16; j++) { \
698  for (i = 0; i < 16; i++) \
699  OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd)); \
700  dst += stride; \
701  src += stride; \
702  } \
703 }\
704 static void OPNAME ## pixels8x8_c(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int rnd){\
705  int i;\
706  for(i=0; i<8; i++){\
707  OP4(*(uint32_t*)(block ), AV_RN32(pixels ));\
708  OP4(*(uint32_t*)(block+4), AV_RN32(pixels+4));\
709  pixels+=line_size;\
710  block +=line_size;\
711  }\
712 }\
713 static void OPNAME ## pixels16x16_c(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int rnd){\
714  int i;\
715  for(i=0; i<16; i++){\
716  OP4(*(uint32_t*)(block ), AV_RN32(pixels ));\
717  OP4(*(uint32_t*)(block+ 4), AV_RN32(pixels+ 4));\
718  OP4(*(uint32_t*)(block+ 8), AV_RN32(pixels+ 8));\
719  OP4(*(uint32_t*)(block+12), AV_RN32(pixels+12));\
720  pixels+=line_size;\
721  block +=line_size;\
722  }\
723 }
724 
725 #define op_put(a, b) (a) = av_clip_uint8(b)
726 #define op_avg(a, b) (a) = ((a) + av_clip_uint8(b) + 1) >> 1
727 #define op4_avg(a, b) (a) = rnd_avg32(a, b)
728 #define op4_put(a, b) (a) = (b)
729 
730 VC1_MSPEL_MC(op_put, op4_put, put_)
731 VC1_MSPEL_MC(op_avg, op4_avg, avg_)
732 
733 /* pixel functions - really are entry points to vc1_mspel_mc */
734 
735 #define PUT_VC1_MSPEL(a, b) \
736 static void put_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst, \
737  const uint8_t *src, \
738  ptrdiff_t stride, int rnd) \
739 { \
740  put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
741 } \
742 static void avg_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst, \
743  const uint8_t *src, \
744  ptrdiff_t stride, int rnd) \
745 { \
746  avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
747 } \
748 static void put_vc1_mspel_mc ## a ## b ## _16_c(uint8_t *dst, \
749  const uint8_t *src, \
750  ptrdiff_t stride, int rnd) \
751 { \
752  put_vc1_mspel_mc_16(dst, src, stride, a, b, rnd); \
753 } \
754 static void avg_vc1_mspel_mc ## a ## b ## _16_c(uint8_t *dst, \
755  const uint8_t *src, \
756  ptrdiff_t stride, int rnd) \
757 { \
758  avg_vc1_mspel_mc_16(dst, src, stride, a, b, rnd); \
759 }
760 
761 PUT_VC1_MSPEL(1, 0)
762 PUT_VC1_MSPEL(2, 0)
763 PUT_VC1_MSPEL(3, 0)
764 
765 PUT_VC1_MSPEL(0, 1)
766 PUT_VC1_MSPEL(1, 1)
767 PUT_VC1_MSPEL(2, 1)
768 PUT_VC1_MSPEL(3, 1)
769 
770 PUT_VC1_MSPEL(0, 2)
771 PUT_VC1_MSPEL(1, 2)
772 PUT_VC1_MSPEL(2, 2)
773 PUT_VC1_MSPEL(3, 2)
774 
775 PUT_VC1_MSPEL(0, 3)
776 PUT_VC1_MSPEL(1, 3)
777 PUT_VC1_MSPEL(2, 3)
778 PUT_VC1_MSPEL(3, 3)
779 
780 #define chroma_mc(a) \
781  ((A * src[a] + B * src[a + 1] + \
782  C * src[stride + a] + D * src[stride + a + 1] + 32 - 4) >> 6)
783 static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst /* align 8 */,
784  uint8_t *src /* align 1 */,
785  ptrdiff_t stride, int h, int x, int y)
786 {
787  const int A = (8 - x) * (8 - y);
788  const int B = (x) * (8 - y);
789  const int C = (8 - x) * (y);
790  const int D = (x) * (y);
791  int i;
792 
793  av_assert2(x < 8 && y < 8 && x >= 0 && y >= 0);
794 
795  for (i = 0; i < h; i++) {
796  dst[0] = chroma_mc(0);
797  dst[1] = chroma_mc(1);
798  dst[2] = chroma_mc(2);
799  dst[3] = chroma_mc(3);
800  dst[4] = chroma_mc(4);
801  dst[5] = chroma_mc(5);
802  dst[6] = chroma_mc(6);
803  dst[7] = chroma_mc(7);
804  dst += stride;
805  src += stride;
806  }
807 }
808 
809 static void put_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src,
810  ptrdiff_t stride, int h, int x, int y)
811 {
812  const int A = (8 - x) * (8 - y);
813  const int B = (x) * (8 - y);
814  const int C = (8 - x) * (y);
815  const int D = (x) * (y);
816  int i;
817 
818  av_assert2(x < 8 && y < 8 && x >= 0 && y >= 0);
819 
820  for (i = 0; i < h; i++) {
821  dst[0] = chroma_mc(0);
822  dst[1] = chroma_mc(1);
823  dst[2] = chroma_mc(2);
824  dst[3] = chroma_mc(3);
825  dst += stride;
826  src += stride;
827  }
828 }
829 
830 #define avg2(a, b) (((a) + (b) + 1) >> 1)
831 static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst /* align 8 */,
832  uint8_t *src /* align 1 */,
833  ptrdiff_t stride, int h, int x, int y)
834 {
835  const int A = (8 - x) * (8 - y);
836  const int B = (x) * (8 - y);
837  const int C = (8 - x) * (y);
838  const int D = (x) * (y);
839  int i;
840 
841  av_assert2(x < 8 && y < 8 && x >= 0 && y >= 0);
842 
843  for (i = 0; i < h; i++) {
844  dst[0] = avg2(dst[0], chroma_mc(0));
845  dst[1] = avg2(dst[1], chroma_mc(1));
846  dst[2] = avg2(dst[2], chroma_mc(2));
847  dst[3] = avg2(dst[3], chroma_mc(3));
848  dst[4] = avg2(dst[4], chroma_mc(4));
849  dst[5] = avg2(dst[5], chroma_mc(5));
850  dst[6] = avg2(dst[6], chroma_mc(6));
851  dst[7] = avg2(dst[7], chroma_mc(7));
852  dst += stride;
853  src += stride;
854  }
855 }
856 
857 static void avg_no_rnd_vc1_chroma_mc4_c(uint8_t *dst /* align 8 */,
858  uint8_t *src /* align 1 */,
859  ptrdiff_t stride, int h, int x, int y)
860 {
861  const int A = (8 - x) * (8 - y);
862  const int B = ( x) * (8 - y);
863  const int C = (8 - x) * ( y);
864  const int D = ( x) * ( y);
865  int i;
866 
867  av_assert2(x < 8 && y < 8 && x >= 0 && y >= 0);
868 
869  for (i = 0; i < h; i++) {
870  dst[0] = avg2(dst[0], chroma_mc(0));
871  dst[1] = avg2(dst[1], chroma_mc(1));
872  dst[2] = avg2(dst[2], chroma_mc(2));
873  dst[3] = avg2(dst[3], chroma_mc(3));
874  dst += stride;
875  src += stride;
876  }
877 }
878 
879 #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
880 
881 static void sprite_h_c(uint8_t *dst, const uint8_t *src, int offset,
882  int advance, int count)
883 {
884  while (count--) {
885  int a = src[(offset >> 16)];
886  int b = src[(offset >> 16) + 1];
887  *dst++ = a + ((b - a) * (offset & 0xFFFF) >> 16);
888  offset += advance;
889  }
890 }
891 
892 static av_always_inline void sprite_v_template(uint8_t *dst,
893  const uint8_t *src1a,
894  const uint8_t *src1b,
895  int offset1,
896  int two_sprites,
897  const uint8_t *src2a,
898  const uint8_t *src2b,
899  int offset2,
900  int alpha, int scaled,
901  int width)
902 {
903  int a1, b1, a2, b2;
904  while (width--) {
905  a1 = *src1a++;
906  if (scaled) {
907  b1 = *src1b++;
908  a1 = a1 + ((b1 - a1) * offset1 >> 16);
909  }
910  if (two_sprites) {
911  a2 = *src2a++;
912  if (scaled > 1) {
913  b2 = *src2b++;
914  a2 = a2 + ((b2 - a2) * offset2 >> 16);
915  }
916  a1 = a1 + ((a2 - a1) * alpha >> 16);
917  }
918  *dst++ = a1;
919  }
920 }
921 
922 static void sprite_v_single_c(uint8_t *dst, const uint8_t *src1a,
923  const uint8_t *src1b,
924  int offset, int width)
925 {
926  sprite_v_template(dst, src1a, src1b, offset, 0, NULL, NULL, 0, 0, 1, width);
927 }
928 
929 static void sprite_v_double_noscale_c(uint8_t *dst, const uint8_t *src1a,
930  const uint8_t *src2a,
931  int alpha, int width)
932 {
933  sprite_v_template(dst, src1a, NULL, 0, 1, src2a, NULL, 0, alpha, 0, width);
934 }
935 
936 static void sprite_v_double_onescale_c(uint8_t *dst,
937  const uint8_t *src1a,
938  const uint8_t *src1b,
939  int offset1,
940  const uint8_t *src2a,
941  int alpha, int width)
942 {
943  sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, NULL, 0, alpha, 1,
944  width);
945 }
946 
947 static void sprite_v_double_twoscale_c(uint8_t *dst,
948  const uint8_t *src1a,
949  const uint8_t *src1b,
950  int offset1,
951  const uint8_t *src2a,
952  const uint8_t *src2b,
953  int offset2,
954  int alpha,
955  int width)
956 {
957  sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, src2b, offset2,
958  alpha, 2, width);
959 }
960 
961 #endif /* CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER */
962 #define FN_ASSIGN(X, Y) \
963  dsp->put_vc1_mspel_pixels_tab[1][X+4*Y] = put_vc1_mspel_mc##X##Y##_c; \
964  dsp->put_vc1_mspel_pixels_tab[0][X+4*Y] = put_vc1_mspel_mc##X##Y##_16_c; \
965  dsp->avg_vc1_mspel_pixels_tab[1][X+4*Y] = avg_vc1_mspel_mc##X##Y##_c; \
966  dsp->avg_vc1_mspel_pixels_tab[0][X+4*Y] = avg_vc1_mspel_mc##X##Y##_16_c
967 
968 av_cold void ff_vc1dsp_init(VC1DSPContext *dsp)
969 {
970  dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c;
971  dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c;
972  dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_c;
973  dsp->vc1_inv_trans_4x4 = vc1_inv_trans_4x4_c;
974  dsp->vc1_inv_trans_8x8_dc = vc1_inv_trans_8x8_dc_c;
975  dsp->vc1_inv_trans_4x8_dc = vc1_inv_trans_4x8_dc_c;
976  dsp->vc1_inv_trans_8x4_dc = vc1_inv_trans_8x4_dc_c;
977  dsp->vc1_inv_trans_4x4_dc = vc1_inv_trans_4x4_dc_c;
978 
979  dsp->vc1_h_overlap = vc1_h_overlap_c;
980  dsp->vc1_v_overlap = vc1_v_overlap_c;
981  dsp->vc1_h_s_overlap = vc1_h_s_overlap_c;
982  dsp->vc1_v_s_overlap = vc1_v_s_overlap_c;
983 
984  dsp->vc1_v_loop_filter4 = vc1_v_loop_filter4_c;
985  dsp->vc1_h_loop_filter4 = vc1_h_loop_filter4_c;
986  dsp->vc1_v_loop_filter8 = vc1_v_loop_filter8_c;
987  dsp->vc1_h_loop_filter8 = vc1_h_loop_filter8_c;
988  dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_c;
989  dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_c;
990 
991  dsp->put_vc1_mspel_pixels_tab[0][0] = put_pixels16x16_c;
992  dsp->avg_vc1_mspel_pixels_tab[0][0] = avg_pixels16x16_c;
993  dsp->put_vc1_mspel_pixels_tab[1][0] = put_pixels8x8_c;
994  dsp->avg_vc1_mspel_pixels_tab[1][0] = avg_pixels8x8_c;
995  FN_ASSIGN(0, 1);
996  FN_ASSIGN(0, 2);
997  FN_ASSIGN(0, 3);
998 
999  FN_ASSIGN(1, 0);
1000  FN_ASSIGN(1, 1);
1001  FN_ASSIGN(1, 2);
1002  FN_ASSIGN(1, 3);
1003 
1004  FN_ASSIGN(2, 0);
1005  FN_ASSIGN(2, 1);
1006  FN_ASSIGN(2, 2);
1007  FN_ASSIGN(2, 3);
1008 
1009  FN_ASSIGN(3, 0);
1010  FN_ASSIGN(3, 1);
1011  FN_ASSIGN(3, 2);
1012  FN_ASSIGN(3, 3);
1013 
1014  dsp->put_no_rnd_vc1_chroma_pixels_tab[0] = put_no_rnd_vc1_chroma_mc8_c;
1015  dsp->avg_no_rnd_vc1_chroma_pixels_tab[0] = avg_no_rnd_vc1_chroma_mc8_c;
1016  dsp->put_no_rnd_vc1_chroma_pixels_tab[1] = put_no_rnd_vc1_chroma_mc4_c;
1017  dsp->avg_no_rnd_vc1_chroma_pixels_tab[1] = avg_no_rnd_vc1_chroma_mc4_c;
1018 
1019 #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
1020  dsp->sprite_h = sprite_h_c;
1021  dsp->sprite_v_single = sprite_v_single_c;
1022  dsp->sprite_v_double_noscale = sprite_v_double_noscale_c;
1023  dsp->sprite_v_double_onescale = sprite_v_double_onescale_c;
1024  dsp->sprite_v_double_twoscale = sprite_v_double_twoscale_c;
1025 #endif /* CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER */
1026 
1027  dsp->startcode_find_candidate = ff_startcode_find_candidate_c;
1028 
1029  if (ARCH_AARCH64)
1030  ff_vc1dsp_init_aarch64(dsp);
1031  if (ARCH_ARM)
1032  ff_vc1dsp_init_arm(dsp);
1033  if (ARCH_PPC)
1034  ff_vc1dsp_init_ppc(dsp);
1035  if (ARCH_X86)
1036  ff_vc1dsp_init_x86(dsp);
1037  if (ARCH_MIPS)
1038  ff_vc1dsp_init_mips(dsp);
1039 }
VC1DSPContext::vc1_h_overlap
void(* vc1_h_overlap)(uint8_t *src, int stride)
Definition: vc1dsp.h:46
NULL
#define NULL
Definition: coverity.c:32
vc1dsp.h
VC-1 and WMV3 decoder.
vc1_inv_trans_4x4_c
static void vc1_inv_trans_4x4_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.c:499
h
h
Definition: vp9dsp_template.c:2038
C
#define C
temp
else temp
Definition: vf_mcdeint.c:259
vc1_filter_line
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:144
B
Definition: vf_geq.c:46
a0
#define a0
Definition: regdef.h:46
vc1_v_loop_filter16_c
static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:230
vc1_v_loop_filter4_c
static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:210
VC1DSPContext::sprite_v_double_onescale
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:70
b
const char * b
Definition: vf_curves.c:113
a1
#define a1
Definition: regdef.h:47
vc1_inv_trans_8x4_c
static void vc1_inv_trans_8x4_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.c:353
t8
#define t8
Definition: regdef.h:53
put_no_rnd_vc1_chroma_mc8_c
static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
Definition: vc1dsp.c:783
VC1DSPContext::startcode_find_candidate
int(* startcode_find_candidate)(const uint8_t *buf, int size)
Search buf from the start for up to size bytes.
Definition: vc1dsp.h:82
src
#define src
Definition: vp8dsp.c:254
VC1DSPContext::vc1_v_loop_filter8
void(* vc1_v_loop_filter8)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:51
VC1DSPContext::put_vc1_mspel_pixels_tab
vc1op_pixels_func put_vc1_mspel_pixels_tab[2][16]
Definition: vc1dsp.h:59
VC1_MSPEL_FILTER_16B
#define VC1_MSPEL_FILTER_16B(DIR, TYPE)
Definition: vc1dsp.c:542
block
static int16_t block[64]
Definition: dct.c:115
t7
#define t7
Definition: regdef.h:35
a3
#define a3
Definition: regdef.h:49
uint8_t
uint8_t
Definition: audio_convert.c:194
av_cold
#define av_cold
Definition: attributes.h:82
VC1DSPContext::vc1_v_loop_filter4
void(* vc1_v_loop_filter4)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:49
av_assert2
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
Definition: avassert.h:64
vc1_h_loop_filter16_c
static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:235
VC1DSPContext::sprite_v_double_twoscale
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:72
VC1DSPContext::vc1_inv_trans_8x8
void(* vc1_inv_trans_8x8)(int16_t *b)
Definition: vc1dsp.h:37
op_avg
#define op_avg(a, b)
Definition: vc1dsp.c:726
avg2
#define avg2(a, b)
Definition: vc1dsp.c:830
ff_vc1dsp_init_mips
av_cold void ff_vc1dsp_init_mips(VC1DSPContext *dsp)
Definition: vc1dsp_init_mips.c:103
qpeldsp.h
quarterpel DSP functions
VC1DSPContext::vc1_h_loop_filter8
void(* vc1_h_loop_filter8)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:52
FN_ASSIGN
#define FN_ASSIGN(X, Y)
Definition: vc1dsp.c:962
vc1_inv_trans_4x8_dc_c
static void vc1_inv_trans_4x8_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.c:409
A
#define A(x)
Definition: vp56_arith.h:28
vc1_h_overlap_c
static void vc1_h_overlap_c(uint8_t *src, int stride)
Definition: vc1dsp.c:61
alpha
static double alpha(void *priv, double x, double y)
Definition: vf_geq.c:99
chroma_mc
#define chroma_mc(a)
Definition: vc1dsp.c:780
VC1DSPContext::vc1_inv_trans_8x8_dc
void(* vc1_inv_trans_8x8_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:41
VC1DSPContext::vc1_inv_trans_8x4
void(* vc1_inv_trans_8x4)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:38
r
const char * r
Definition: vf_curves.c:111
t1
#define t1
Definition: regdef.h:29
avassert.h
simple assert() macros that are a bit more flexible than ISO C assert().
vc1_inv_trans_8x4_dc_c
static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.c:332
t3
#define t3
Definition: regdef.h:31
avg_no_rnd_vc1_chroma_mc4_c
static void avg_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
Definition: vc1dsp.c:857
startcode.h
Accelerated start code search function for start codes common to MPEG-1/2/4 video, VC-1, H.264/5.
offset
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
count
GLsizei count
Definition: opengl_enc.c:109
VC1DSPContext::vc1_v_loop_filter16
void(* vc1_v_loop_filter16)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:53
op_put
#define op_put(a, b)
Definition: vc1dsp.c:725
vc1_loop_filter
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:193
FFMIN
#define FFMIN(a, b)
Definition: common.h:96
vc1_inv_trans_8x8_c
static void vc1_inv_trans_8x8_c(int16_t block[64])
Definition: vc1dsp.c:262
width
#define width
ff_vc1dsp_init_x86
void ff_vc1dsp_init_x86(VC1DSPContext *dsp)
Definition: vc1dsp_init.c:105
a2
#define a2
Definition: regdef.h:48
FFABS
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
op4_avg
#define op4_avg(a, b)
Definition: vc1dsp.c:727
vc1_v_s_overlap_c
static void vc1_v_s_overlap_c(int16_t *top, int16_t *bottom)
Definition: vc1dsp.c:84
VC1DSPContext::vc1_inv_trans_4x4
void(* vc1_inv_trans_4x4)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:40
vc1_v_loop_filter8_c
static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:220
ff_vc1dsp_init_aarch64
av_cold void ff_vc1dsp_init_aarch64(VC1DSPContext *dsp)
Definition: vc1dsp_init_aarch64.c:37
VC1DSPContext::vc1_inv_trans_8x4_dc
void(* vc1_inv_trans_8x4_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:42
vc1_inv_trans_4x8_c
static void vc1_inv_trans_4x8_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.c:426
VC1DSPContext::avg_no_rnd_vc1_chroma_pixels_tab
h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3]
Definition: vc1dsp.h:64
VC1DSPContext::vc1_inv_trans_4x8
void(* vc1_inv_trans_4x8)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:39
VC1DSPContext::vc1_inv_trans_4x8_dc
void(* vc1_inv_trans_4x8_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:43
ff_startcode_find_candidate_c
int ff_startcode_find_candidate_c(const uint8_t *buf, int size)
Definition: startcode.c:31
VC1DSPContext::vc1_h_loop_filter4
void(* vc1_h_loop_filter4)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:50
PUT_VC1_MSPEL
#define PUT_VC1_MSPEL(a, b)
Definition: vc1dsp.c:735
VC1DSPContext::vc1_inv_trans_4x4_dc
void(* vc1_inv_trans_4x4_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:44
VC1DSPContext::avg_vc1_mspel_pixels_tab
vc1op_pixels_func avg_vc1_mspel_pixels_tab[2][16]
Definition: vc1dsp.h:60
VC1DSPContext::sprite_v_double_noscale
void(* sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width)
Definition: vc1dsp.h:69
vc1_inv_trans_8x8_dc_c
static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.c:241
t5
#define t5
Definition: regdef.h:33
vc1_inv_trans_4x4_dc_c
static void vc1_inv_trans_4x4_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.c:482
put_no_rnd_vc1_chroma_mc4_c
static void put_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
Definition: vc1dsp.c:809
vc1_h_s_overlap_c
static void vc1_h_s_overlap_c(int16_t *left, int16_t *right)
Definition: vc1dsp.c:110
vc1_v_overlap_c
static void vc1_v_overlap_c(uint8_t *src, int stride)
Definition: vc1dsp.c:37
VC1DSPContext::put_no_rnd_vc1_chroma_pixels_tab
h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3]
Definition: vc1dsp.h:63
rnd_avg.h
stride
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
vc1_h_loop_filter8_c
static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:225
common.h
common internal and external API header
clip
static double clip(void *opaque, double val)
Clip value val in the minval - maxval range.
Definition: vf_lut.c:157
t6
#define t6
Definition: regdef.h:34
D
D(D(float, sse)
Definition: rematrix_init.c:28
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
rnd
#define rnd()
Definition: checkasm.h:74
vc1_h_loop_filter4_c
static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq)
Definition: vc1dsp.c:215
VC1DSPContext::vc1_v_s_overlap
void(* vc1_v_s_overlap)(int16_t *top, int16_t *bottom)
Definition: vc1dsp.h:47
VC1_MSPEL_MC
#define VC1_MSPEL_MC(OP, OP4, OPNAME)
Definition: vc1dsp.c:587
t4
#define t4
Definition: regdef.h:32
vc1_mspel_filter
static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r)
Definition: vc1dsp.c:567
len
int len
Definition: vorbis_enc_data.h:452
VC1DSPContext::sprite_v_single
void(* sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width)
Definition: vc1dsp.h:68
ff_vc1dsp_init_arm
av_cold void ff_vc1dsp_init_arm(VC1DSPContext *dsp)
Definition: vc1dsp_init_arm.c:27
dc
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> dc
Definition: audio_convert.c:194
av_always_inline
#define av_always_inline
Definition: attributes.h:39
VC1DSPContext::vc1_h_s_overlap
void(* vc1_h_s_overlap)(int16_t *left, int16_t *right)
Definition: vc1dsp.h:48
stride
#define stride
ff_vc1dsp_init_ppc
av_cold void ff_vc1dsp_init_ppc(VC1DSPContext *dsp)
Definition: vc1dsp_altivec.c:353
VC1DSPContext::vc1_v_overlap
void(* vc1_v_overlap)(uint8_t *src, int stride)
Definition: vc1dsp.h:45
ff_vc1dsp_init
av_cold void ff_vc1dsp_init(VC1DSPContext *dsp)
Definition: vc1dsp.c:968
mode
mode
Use these values in ebur128_init (or'ed).
Definition: ebur128.h:83
op4_put
#define op4_put(a, b)
Definition: vc1dsp.c:728
avg_no_rnd_vc1_chroma_mc8_c
static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
Definition: vc1dsp.c:831
t2
#define t2
Definition: regdef.h:30
a
a
Definition: h264pred_template.c:468
VC1DSPContext::sprite_h
void(* sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count)
Definition: vc1dsp.h:67
VC1DSPContext::vc1_h_loop_filter16
void(* vc1_h_loop_filter16)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:54
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