FFmpeg  4.4.5
vp8dsp.c
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1 /*
2  * Copyright (c) 2016 Martin Storsjo
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 #include <string.h>
22 
23 #include "libavcodec/avcodec.h"
24 #include "libavcodec/vp8dsp.h"
25 
26 #include "libavutil/common.h"
27 #include "libavutil/intreadwrite.h"
28 #include "libavutil/mem_internal.h"
29 
30 #include "checkasm.h"
31 
32 #define PIXEL_STRIDE 16
33 
34 #define randomize_buffers(src, dst, stride, coef) \
35  do { \
36  int x, y; \
37  for (y = 0; y < 4; y++) { \
38  AV_WN32A((src) + y * (stride), rnd()); \
39  AV_WN32A((dst) + y * (stride), rnd()); \
40  for (x = 0; x < 4; x++) \
41  (coef)[y * 4 + x] = (src)[y * (stride) + x] - \
42  (dst)[y * (stride) + x]; \
43  } \
44  } while (0)
45 
46 static void dct4x4(int16_t *coef)
47 {
48  int i;
49  for (i = 0; i < 4; i++) {
50  const int a1 = (coef[i*4 + 0] + coef[i*4 + 3]) * 8;
51  const int b1 = (coef[i*4 + 1] + coef[i*4 + 2]) * 8;
52  const int c1 = (coef[i*4 + 1] - coef[i*4 + 2]) * 8;
53  const int d1 = (coef[i*4 + 0] - coef[i*4 + 3]) * 8;
54  coef[i*4 + 0] = a1 + b1;
55  coef[i*4 + 1] = (c1 * 2217 + d1 * 5352 + 14500) >> 12;
56  coef[i*4 + 2] = a1 - b1;
57  coef[i*4 + 3] = (d1 * 2217 - c1 * 5352 + 7500) >> 12;
58  }
59  for (i = 0; i < 4; i++) {
60  const int a1 = coef[i + 0*4] + coef[i + 3*4];
61  const int b1 = coef[i + 1*4] + coef[i + 2*4];
62  const int c1 = coef[i + 1*4] - coef[i + 2*4];
63  const int d1 = coef[i + 0*4] - coef[i + 3*4];
64  coef[i + 0*4] = (a1 + b1 + 7) >> 4;
65  coef[i + 1*4] = ((c1 * 2217 + d1 * 5352 + 12000) >> 16) + !!d1;
66  coef[i + 2*4] = (a1 - b1 + 7) >> 4;
67  coef[i + 3*4] = (d1 * 2217 - c1 * 5352 + 51000) >> 16;
68  }
69 }
70 
71 static void wht4x4(int16_t *coef)
72 {
73  int i;
74  for (i = 0; i < 4; i++) {
75  int a1 = coef[0 * 4 + i];
76  int b1 = coef[1 * 4 + i];
77  int c1 = coef[2 * 4 + i];
78  int d1 = coef[3 * 4 + i];
79  int e1;
80  a1 += b1;
81  d1 -= c1;
82  e1 = (a1 - d1) >> 1;
83  b1 = e1 - b1;
84  c1 = e1 - c1;
85  a1 -= c1;
86  d1 += b1;
87  coef[0 * 4 + i] = a1;
88  coef[1 * 4 + i] = c1;
89  coef[2 * 4 + i] = d1;
90  coef[3 * 4 + i] = b1;
91  }
92  for (i = 0; i < 4; i++) {
93  int a1 = coef[i * 4 + 0];
94  int b1 = coef[i * 4 + 1];
95  int c1 = coef[i * 4 + 2];
96  int d1 = coef[i * 4 + 3];
97  int e1;
98  a1 += b1;
99  d1 -= c1;
100  e1 = (a1 - d1) >> 1;
101  b1 = e1 - b1;
102  c1 = e1 - c1;
103  a1 -= c1;
104  d1 += b1;
105  coef[i * 4 + 0] = a1 * 2;
106  coef[i * 4 + 1] = c1 * 2;
107  coef[i * 4 + 2] = d1 * 2;
108  coef[i * 4 + 3] = b1 * 2;
109  }
110 }
111 
112 static void check_idct(void)
113 {
114  LOCAL_ALIGNED_16(uint8_t, src, [4 * 4]);
115  LOCAL_ALIGNED_16(uint8_t, dst, [4 * 4]);
116  LOCAL_ALIGNED_16(uint8_t, dst0, [4 * 4]);
117  LOCAL_ALIGNED_16(uint8_t, dst1, [4 * 4]);
118  LOCAL_ALIGNED_16(int16_t, coef, [4 * 4]);
119  LOCAL_ALIGNED_16(int16_t, subcoef0, [4 * 4]);
120  LOCAL_ALIGNED_16(int16_t, subcoef1, [4 * 4]);
121  VP8DSPContext d;
122  int dc;
123  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, int16_t *block, ptrdiff_t stride);
124 
125  ff_vp8dsp_init(&d);
126  randomize_buffers(src, dst, 4, coef);
127 
128  dct4x4(coef);
129 
130  for (dc = 0; dc <= 1; dc++) {
131  void (*idct)(uint8_t *, int16_t *, ptrdiff_t) = dc ? d.vp8_idct_dc_add : d.vp8_idct_add;
132 
133  if (check_func(idct, "vp8_idct_%sadd", dc ? "dc_" : "")) {
134  if (dc) {
135  memset(subcoef0, 0, 4 * 4 * sizeof(int16_t));
136  subcoef0[0] = coef[0];
137  } else {
138  memcpy(subcoef0, coef, 4 * 4 * sizeof(int16_t));
139  }
140  memcpy(dst0, dst, 4 * 4);
141  memcpy(dst1, dst, 4 * 4);
142  memcpy(subcoef1, subcoef0, 4 * 4 * sizeof(int16_t));
143  // Note, this uses a pixel stride of 4, even though the real decoder uses a stride as a
144  // multiple of 16. If optimizations want to take advantage of that, this test needs to be
145  // updated to make it more like the h264dsp tests.
146  call_ref(dst0, subcoef0, 4);
147  call_new(dst1, subcoef1, 4);
148  if (memcmp(dst0, dst1, 4 * 4) ||
149  memcmp(subcoef0, subcoef1, 4 * 4 * sizeof(int16_t)))
150  fail();
151 
152  bench_new(dst1, subcoef1, 4);
153  }
154  }
155 }
156 
157 static void check_idct_dc4(void)
158 {
159  LOCAL_ALIGNED_16(uint8_t, src, [4 * 4 * 4]);
160  LOCAL_ALIGNED_16(uint8_t, dst, [4 * 4 * 4]);
161  LOCAL_ALIGNED_16(uint8_t, dst0, [4 * 4 * 4]);
162  LOCAL_ALIGNED_16(uint8_t, dst1, [4 * 4 * 4]);
163  LOCAL_ALIGNED_16(int16_t, coef, [4], [4 * 4]);
164  LOCAL_ALIGNED_16(int16_t, subcoef0, [4], [4 * 4]);
165  LOCAL_ALIGNED_16(int16_t, subcoef1, [4], [4 * 4]);
166  VP8DSPContext d;
167  int i, chroma;
168  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, int16_t block[4][16], ptrdiff_t stride);
169 
170  ff_vp8dsp_init(&d);
171 
172  for (chroma = 0; chroma <= 1; chroma++) {
173  void (*idct4dc)(uint8_t *, int16_t[4][16], ptrdiff_t) = chroma ? d.vp8_idct_dc_add4uv : d.vp8_idct_dc_add4y;
174  if (check_func(idct4dc, "vp8_idct_dc_add4%s", chroma ? "uv" : "y")) {
175  ptrdiff_t stride = chroma ? 8 : 16;
176  int w = chroma ? 2 : 4;
177  for (i = 0; i < 4; i++) {
178  int blockx = 4 * (i % w);
179  int blocky = 4 * (i / w);
180  randomize_buffers(src + stride * blocky + blockx, dst + stride * blocky + blockx, stride, coef[i]);
181  dct4x4(coef[i]);
182  memset(&coef[i][1], 0, 15 * sizeof(int16_t));
183  }
184 
185  memcpy(dst0, dst, 4 * 4 * 4);
186  memcpy(dst1, dst, 4 * 4 * 4);
187  memcpy(subcoef0, coef, 4 * 4 * 4 * sizeof(int16_t));
188  memcpy(subcoef1, coef, 4 * 4 * 4 * sizeof(int16_t));
189  call_ref(dst0, subcoef0, stride);
190  call_new(dst1, subcoef1, stride);
191  if (memcmp(dst0, dst1, 4 * 4 * 4) ||
192  memcmp(subcoef0, subcoef1, 4 * 4 * 4 * sizeof(int16_t)))
193  fail();
194  bench_new(dst1, subcoef1, stride);
195  }
196  }
197 
198 }
199 
200 static void check_luma_dc_wht(void)
201 {
202  LOCAL_ALIGNED_16(int16_t, dc, [4 * 4]);
203  LOCAL_ALIGNED_16(int16_t, dc0, [4 * 4]);
204  LOCAL_ALIGNED_16(int16_t, dc1, [4 * 4]);
205  int16_t block[4][4][16];
206  LOCAL_ALIGNED_16(int16_t, block0, [4], [4][16]);
207  LOCAL_ALIGNED_16(int16_t, block1, [4], [4][16]);
208  VP8DSPContext d;
209  int dc_only;
210  int blockx, blocky;
211  declare_func_emms(AV_CPU_FLAG_MMX, void, int16_t block[4][4][16], int16_t dc[16]);
212 
213  ff_vp8dsp_init(&d);
214 
215  for (blocky = 0; blocky < 4; blocky++) {
216  for (blockx = 0; blockx < 4; blockx++) {
217  uint8_t src[16], dst[16];
218  randomize_buffers(src, dst, 4, block[blocky][blockx]);
219 
220  dct4x4(block[blocky][blockx]);
221  dc[blocky * 4 + blockx] = block[blocky][blockx][0];
222  block[blocky][blockx][0] = rnd();
223  }
224  }
225  wht4x4(dc);
226 
227  for (dc_only = 0; dc_only <= 1; dc_only++) {
228  void (*idct)(int16_t [4][4][16], int16_t [16]) = dc_only ? d.vp8_luma_dc_wht_dc : d.vp8_luma_dc_wht;
229 
230  if (check_func(idct, "vp8_luma_dc_wht%s", dc_only ? "_dc" : "")) {
231  if (dc_only) {
232  memset(dc0, 0, 16 * sizeof(int16_t));
233  dc0[0] = dc[0];
234  } else {
235  memcpy(dc0, dc, 16 * sizeof(int16_t));
236  }
237  memcpy(dc1, dc0, 16 * sizeof(int16_t));
238  memcpy(block0, block, 4 * 4 * 16 * sizeof(int16_t));
239  memcpy(block1, block, 4 * 4 * 16 * sizeof(int16_t));
240  call_ref(block0, dc0);
241  call_new(block1, dc1);
242  if (memcmp(block0, block1, 4 * 4 * 16 * sizeof(int16_t)) ||
243  memcmp(dc0, dc1, 16 * sizeof(int16_t)))
244  fail();
245  bench_new(block1, dc1);
246  }
247  }
248 }
249 
250 #define SRC_BUF_STRIDE 32
251 #define SRC_BUF_SIZE (((size << (size < 16)) + 5) * SRC_BUF_STRIDE)
252 // The mc subpixel interpolation filter needs the 2 previous pixels in either
253 // direction, the +1 is to make sure the actual load addresses always are
254 // unaligned.
255 #define src (buf + 2 * SRC_BUF_STRIDE + 2 + 1)
256 
257 #undef randomize_buffers
258 #define randomize_buffers() \
259  do { \
260  int k; \
261  for (k = 0; k < SRC_BUF_SIZE; k += 4) { \
262  AV_WN32A(buf + k, rnd()); \
263  } \
264  } while (0)
265 
266 static void check_mc(void)
267 {
268  LOCAL_ALIGNED_16(uint8_t, buf, [32 * 32]);
269  LOCAL_ALIGNED_16(uint8_t, dst0, [16 * 16]);
270  LOCAL_ALIGNED_16(uint8_t, dst1, [16 * 16]);
271  VP8DSPContext d;
272  int type, k, dx, dy;
273  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *, ptrdiff_t, uint8_t *, ptrdiff_t, int, int, int);
274 
275  ff_vp78dsp_init(&d);
276 
277  for (type = 0; type < 2; type++) {
279  for (k = 1; k < 8; k++) {
280  int hsize = k / 3;
281  int size = 16 >> hsize;
282  int height = (size << 1) >> (k % 3);
283  for (dy = 0; dy < 3; dy++) {
284  for (dx = 0; dx < 3; dx++) {
285  char str[100];
286  if (dx || dy) {
287  if (type == 0) {
288  static const char *dx_names[] = { "", "h4", "h6" };
289  static const char *dy_names[] = { "", "v4", "v6" };
290  snprintf(str, sizeof(str), "epel%d_%s%s", size, dx_names[dx], dy_names[dy]);
291  } else {
292  snprintf(str, sizeof(str), "bilin%d_%s%s", size, dx ? "h" : "", dy ? "v" : "");
293  }
294  } else {
295  snprintf(str, sizeof(str), "pixels%d", size);
296  }
297  if (check_func(tab[hsize][dy][dx], "vp8_put_%s", str)) {
298  int mx, my;
299  int i;
300  if (type == 0) {
301  mx = dx == 2 ? 2 + 2 * (rnd() % 3) : dx == 1 ? 1 + 2 * (rnd() % 4) : 0;
302  my = dy == 2 ? 2 + 2 * (rnd() % 3) : dy == 1 ? 1 + 2 * (rnd() % 4) : 0;
303  } else {
304  mx = dx ? 1 + (rnd() % 7) : 0;
305  my = dy ? 1 + (rnd() % 7) : 0;
306  }
308  for (i = -2; i <= 3; i++) {
309  int val = (i == -1 || i == 2) ? 0 : 0xff;
310  // Set pixels in the first row and column to the maximum pattern,
311  // to test for potential overflows in the filter.
312  src[i ] = val;
313  src[i * SRC_BUF_STRIDE] = val;
314  }
315  call_ref(dst0, size, src, SRC_BUF_STRIDE, height, mx, my);
316  call_new(dst1, size, src, SRC_BUF_STRIDE, height, mx, my);
317  if (memcmp(dst0, dst1, size * height))
318  fail();
319  bench_new(dst1, size, src, SRC_BUF_STRIDE, height, mx, my);
320  }
321  }
322  }
323  }
324  }
325 }
326 
327 #undef randomize_buffers
328 
329 #define setpx(a, b, c) buf[(a) + (b) * jstride] = av_clip_uint8(c)
330 // Set the pixel to c +/- [0,d]
331 #define setdx(a, b, c, d) setpx(a, b, c - (d) + (rnd() % ((d) * 2 + 1)))
332 // Set the pixel to c +/- [d,d+e] (making sure it won't be clipped)
333 #define setdx2(a, b, o, c, d, e) setpx(a, b, o = c + ((d) + (rnd() % (e))) * (c >= 128 ? -1 : 1))
334 
335 static void randomize_loopfilter_buffers(int lineoff, int str,
336  int dir, int flim_E, int flim_I,
337  int hev_thresh, uint8_t *buf,
338  int force_hev)
339 {
340  uint32_t mask = 0xff;
341  int off = dir ? lineoff : lineoff * str;
342  int istride = dir ? 1 : str;
343  int jstride = dir ? str : 1;
344  int i;
345  for (i = 0; i < 8; i += 2) {
346  // Row 0 will trigger hev for q0/q1, row 2 will trigger hev for p0/p1,
347  // rows 4 and 6 will not trigger hev.
348  // force_hev 1 will make sure all rows trigger hev, while force_hev -1
349  // makes none of them trigger it.
350  int idx = off + i * istride, p2, p1, p0, q0, q1, q2;
351  setpx(idx, 0, q0 = rnd() & mask);
352  if (i == 0 && force_hev >= 0 || force_hev > 0)
353  setdx2(idx, 1, q1, q0, hev_thresh + 1, flim_I - hev_thresh - 1);
354  else
355  setdx(idx, 1, q1 = q0, hev_thresh);
356  setdx(idx, 2, q2 = q1, flim_I);
357  setdx(idx, 3, q2, flim_I);
358  setdx(idx, -1, p0 = q0, flim_E >> 2);
359  if (i == 2 && force_hev >= 0 || force_hev > 0)
360  setdx2(idx, -2, p1, p0, hev_thresh + 1, flim_I - hev_thresh - 1);
361  else
362  setdx(idx, -2, p1 = p0, hev_thresh);
363  setdx(idx, -3, p2 = p1, flim_I);
364  setdx(idx, -4, p2, flim_I);
365  }
366 }
367 
368 // Fill the buffer with random pixels
369 static void fill_loopfilter_buffers(uint8_t *buf, ptrdiff_t stride, int w, int h)
370 {
371  int x, y;
372  for (y = 0; y < h; y++)
373  for (x = 0; x < w; x++)
374  buf[y * stride + x] = rnd() & 0xff;
375 }
376 
377 #define randomize_buffers(buf, lineoff, str, force_hev) \
378  randomize_loopfilter_buffers(lineoff, str, dir, flim_E, flim_I, hev_thresh, buf, force_hev)
379 
380 static void check_loopfilter_16y(void)
381 {
382  LOCAL_ALIGNED_16(uint8_t, base0, [32 + 16 * 16]);
383  LOCAL_ALIGNED_16(uint8_t, base1, [32 + 16 * 16]);
384  VP8DSPContext d;
385  int dir, edge, force_hev;
386  int flim_E = 20, flim_I = 10, hev_thresh = 7;
387  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *, ptrdiff_t, int, int, int);
388 
389  ff_vp8dsp_init(&d);
390 
391  for (dir = 0; dir < 2; dir++) {
392  int midoff = dir ? 4 * 16 : 4;
393  int midoff_aligned = dir ? 4 * 16 : 16;
394  uint8_t *buf0 = base0 + midoff_aligned;
395  uint8_t *buf1 = base1 + midoff_aligned;
396  for (edge = 0; edge < 2; edge++) {
397  void (*func)(uint8_t *, ptrdiff_t, int, int, int) = NULL;
398  switch (dir << 1 | edge) {
399  case (0 << 1) | 0: func = d.vp8_h_loop_filter16y; break;
400  case (1 << 1) | 0: func = d.vp8_v_loop_filter16y; break;
401  case (0 << 1) | 1: func = d.vp8_h_loop_filter16y_inner; break;
402  case (1 << 1) | 1: func = d.vp8_v_loop_filter16y_inner; break;
403  }
404  if (check_func(func, "vp8_loop_filter16y%s_%s", edge ? "_inner" : "", dir ? "v" : "h")) {
405  for (force_hev = -1; force_hev <= 1; force_hev++) {
406  fill_loopfilter_buffers(buf0 - midoff, 16, 16, 16);
407  randomize_buffers(buf0, 0, 16, force_hev);
408  randomize_buffers(buf0, 8, 16, force_hev);
409  memcpy(buf1 - midoff, buf0 - midoff, 16 * 16);
410  call_ref(buf0, 16, flim_E, flim_I, hev_thresh);
411  call_new(buf1, 16, flim_E, flim_I, hev_thresh);
412  if (memcmp(buf0 - midoff, buf1 - midoff, 16 * 16))
413  fail();
414  }
415  fill_loopfilter_buffers(buf0 - midoff, 16, 16, 16);
416  randomize_buffers(buf0, 0, 16, 0);
417  randomize_buffers(buf0, 8, 16, 0);
418  bench_new(buf0, 16, flim_E, flim_I, hev_thresh);
419  }
420  }
421  }
422 }
423 
424 static void check_loopfilter_8uv(void)
425 {
426  LOCAL_ALIGNED_16(uint8_t, base0u, [32 + 16 * 16]);
427  LOCAL_ALIGNED_16(uint8_t, base0v, [32 + 16 * 16]);
428  LOCAL_ALIGNED_16(uint8_t, base1u, [32 + 16 * 16]);
429  LOCAL_ALIGNED_16(uint8_t, base1v, [32 + 16 * 16]);
430  VP8DSPContext d;
431  int dir, edge, force_hev;
432  int flim_E = 20, flim_I = 10, hev_thresh = 7;
433  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *, uint8_t *, ptrdiff_t, int, int, int);
434 
435  ff_vp8dsp_init(&d);
436 
437  for (dir = 0; dir < 2; dir++) {
438  int midoff = dir ? 4 * 16 : 4;
439  int midoff_aligned = dir ? 4 * 16 : 16;
440  uint8_t *buf0u = base0u + midoff_aligned;
441  uint8_t *buf0v = base0v + midoff_aligned;
442  uint8_t *buf1u = base1u + midoff_aligned;
443  uint8_t *buf1v = base1v + midoff_aligned;
444  for (edge = 0; edge < 2; edge++) {
445  void (*func)(uint8_t *, uint8_t *, ptrdiff_t, int, int, int) = NULL;
446  switch (dir << 1 | edge) {
447  case (0 << 1) | 0: func = d.vp8_h_loop_filter8uv; break;
448  case (1 << 1) | 0: func = d.vp8_v_loop_filter8uv; break;
449  case (0 << 1) | 1: func = d.vp8_h_loop_filter8uv_inner; break;
450  case (1 << 1) | 1: func = d.vp8_v_loop_filter8uv_inner; break;
451  }
452  if (check_func(func, "vp8_loop_filter8uv%s_%s", edge ? "_inner" : "", dir ? "v" : "h")) {
453  for (force_hev = -1; force_hev <= 1; force_hev++) {
454  fill_loopfilter_buffers(buf0u - midoff, 16, 16, 16);
455  fill_loopfilter_buffers(buf0v - midoff, 16, 16, 16);
456  randomize_buffers(buf0u, 0, 16, force_hev);
457  randomize_buffers(buf0v, 0, 16, force_hev);
458  memcpy(buf1u - midoff, buf0u - midoff, 16 * 16);
459  memcpy(buf1v - midoff, buf0v - midoff, 16 * 16);
460 
461  call_ref(buf0u, buf0v, 16, flim_E, flim_I, hev_thresh);
462  call_new(buf1u, buf1v, 16, flim_E, flim_I, hev_thresh);
463  if (memcmp(buf0u - midoff, buf1u - midoff, 16 * 16) ||
464  memcmp(buf0v - midoff, buf1v - midoff, 16 * 16))
465  fail();
466  }
467  fill_loopfilter_buffers(buf0u - midoff, 16, 16, 16);
468  fill_loopfilter_buffers(buf0v - midoff, 16, 16, 16);
469  randomize_buffers(buf0u, 0, 16, 0);
470  randomize_buffers(buf0v, 0, 16, 0);
471  bench_new(buf0u, buf0v, 16, flim_E, flim_I, hev_thresh);
472  }
473  }
474  }
475 }
476 
477 static void check_loopfilter_simple(void)
478 {
479  LOCAL_ALIGNED_16(uint8_t, base0, [32 + 16 * 16]);
480  LOCAL_ALIGNED_16(uint8_t, base1, [32 + 16 * 16]);
481  VP8DSPContext d;
482  int dir;
483  int flim_E = 20, flim_I = 30, hev_thresh = 0;
484  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *, ptrdiff_t, int);
485 
486  ff_vp8dsp_init(&d);
487 
488  for (dir = 0; dir < 2; dir++) {
489  int midoff = dir ? 4 * 16 : 4;
490  int midoff_aligned = dir ? 4 * 16 : 16;
491  uint8_t *buf0 = base0 + midoff_aligned;
492  uint8_t *buf1 = base1 + midoff_aligned;
493  void (*func)(uint8_t *, ptrdiff_t, int) = dir ? d.vp8_v_loop_filter_simple : d.vp8_h_loop_filter_simple;
494  if (check_func(func, "vp8_loop_filter_simple_%s", dir ? "v" : "h")) {
495  fill_loopfilter_buffers(buf0 - midoff, 16, 16, 16);
496  randomize_buffers(buf0, 0, 16, -1);
497  randomize_buffers(buf0, 8, 16, -1);
498  memcpy(buf1 - midoff, buf0 - midoff, 16 * 16);
499  call_ref(buf0, 16, flim_E);
500  call_new(buf1, 16, flim_E);
501  if (memcmp(buf0 - midoff, buf1 - midoff, 16 * 16))
502  fail();
503  bench_new(buf0, 16, flim_E);
504  }
505  }
506 }
507 
509 {
510  check_idct();
511  check_idct_dc4();
513  report("idct");
514  check_mc();
515  report("mc");
519  report("loopfilter");
520 }
static double val(void *priv, double ch)
Definition: aeval.c:76
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)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> dc
uint8_t
Libavcodec external API header.
#define call_new(...)
Definition: checkasm.h:211
#define declare_func_emms(cpu_flags, ret,...)
Definition: checkasm.h:130
#define check_func(func,...)
Definition: checkasm.h:124
#define call_ref(...)
Definition: checkasm.h:139
#define rnd()
Definition: checkasm.h:117
#define fail()
Definition: checkasm.h:133
#define report
Definition: checkasm.h:136
#define bench_new(...)
Definition: checkasm.h:271
common internal and external API header
#define NULL
Definition: coverity.c:32
#define AV_CPU_FLAG_MMX
standard MMX
Definition: cpu.h:31
int
cl_device_type type
int i
Definition: input.c:407
static void idct(int16_t block[64])
Definition: 4xm.c:164
int(* func)(AVBPrint *dst, const char *in, const char *arg)
Definition: jacosubdec.c:67
av_cold void ff_vp78dsp_init(VP8DSPContext *dsp)
Definition: vp8dsp.c:666
uint8_t w
Definition: llviddspenc.c:39
static const uint16_t mask[17]
Definition: lzw.c:38
int stride
Definition: mace.c:144
#define LOCAL_ALIGNED_16(t, v,...)
Definition: mem_internal.h:130
static const uint64_t c1
Definition: murmur3.c:51
#define a1
Definition: regdef.h:47
typedef void(RENAME(mix_any_func_type))
#define snprintf
Definition: snprintf.h:34
void(* vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
Definition: vp8dsp.h:65
void(* vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim)
Definition: vp8dsp.h:69
void(* vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
Definition: vp8dsp.h:48
void(* vp8_luma_dc_wht_dc)(int16_t block[4][4][16], int16_t dc[16])
Definition: vp8dsp.h:39
void(* vp8_idct_dc_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
Definition: vp8dsp.h:41
void(* vp8_idct_dc_add4uv)(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride)
Definition: vp8dsp.h:44
void(* vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
Definition: vp8dsp.h:50
void(* vp8_luma_dc_wht)(int16_t block[4][4][16], int16_t dc[16])
Definition: vp8dsp.h:38
vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3]
Definition: vp8dsp.h:81
void(* vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
Definition: vp8dsp.h:62
void(* vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
Definition: vp8dsp.h:54
void(* vp8_h_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
Definition: vp8dsp.h:60
void(* vp8_idct_dc_add4y)(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride)
Definition: vp8dsp.h:42
void(* vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim)
Definition: vp8dsp.h:70
void(* vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
Definition: vp8dsp.h:52
void(* vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
Definition: vp8dsp.h:58
void(* vp8_idct_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
Definition: vp8dsp.h:40
vp8_mc_func put_vp8_epel_pixels_tab[3][3][3]
first dimension: 4-log2(width) second dimension: 0 if no vertical interpolation is needed; 1 4-tap ve...
Definition: vp8dsp.h:80
static void check_idct_dc4(void)
Definition: vp8dsp.c:157
#define setdx(a, b, c, d)
Definition: vp8dsp.c:331
static void check_mc(void)
Definition: vp8dsp.c:266
static void check_loopfilter_16y(void)
Definition: vp8dsp.c:380
static void check_loopfilter_8uv(void)
Definition: vp8dsp.c:424
void checkasm_check_vp8dsp(void)
Definition: vp8dsp.c:508
static void check_loopfilter_simple(void)
Definition: vp8dsp.c:477
static void check_idct(void)
Definition: vp8dsp.c:112
#define src
Definition: vp8dsp.c:255
#define randomize_buffers(src, dst, stride, coef)
Definition: vp8dsp.c:377
static void randomize_loopfilter_buffers(int lineoff, int str, int dir, int flim_E, int flim_I, int hev_thresh, uint8_t *buf, int force_hev)
Definition: vp8dsp.c:335
static void wht4x4(int16_t *coef)
Definition: vp8dsp.c:71
#define SRC_BUF_STRIDE
Definition: vp8dsp.c:250
static void fill_loopfilter_buffers(uint8_t *buf, ptrdiff_t stride, int w, int h)
Definition: vp8dsp.c:369
static void check_luma_dc_wht(void)
Definition: vp8dsp.c:200
static void dct4x4(int16_t *coef)
Definition: vp8dsp.c:46
#define setdx2(a, b, o, c, d, e)
Definition: vp8dsp.c:333
#define setpx(a, b, c)
Definition: vp8dsp.c:329
static int16_t block[64]
Definition: dct.c:116
static int16_t block1[64]
Definition: dct.c:117
#define height
int size
static const struct twinvq_data tab
static const uint8_t q1[256]
Definition: twofish.c:96
static const uint8_t q0[256]
Definition: twofish.c:77
if(ret< 0)
Definition: vf_mcdeint.c:282
static av_always_inline void chroma(WaveformContext *s, AVFrame *in, AVFrame *out, int component, int intensity, int offset_y, int offset_x, int column, int mirror, int jobnr, int nb_jobs)
Definition: vf_waveform.c:1624
static double b1(void *priv, double x, double y)
Definition: vf_xfade.c:1665
VP8 compatible video decoder.
void ff_vp8dsp_init(VP8DSPContext *c)
void(* vp8_mc_func)(uint8_t *dst, ptrdiff_t dstStride, uint8_t *src, ptrdiff_t srcStride, int h, int x, int y)
Definition: vp8dsp.h:33