FFmpeg  4.4.6
h264dsp.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 #include "checkasm.h"
23 #include "libavcodec/avcodec.h"
24 #include "libavcodec/h264dsp.h"
25 #include "libavcodec/h264data.h"
26 #include "libavutil/common.h"
27 #include "libavutil/internal.h"
28 #include "libavutil/intreadwrite.h"
29 #include "libavutil/mem_internal.h"
30 
31 static const uint32_t pixel_mask[3] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff };
32 static const uint32_t pixel_mask_lf[3] = { 0xff0fff0f, 0x01ff000f, 0x03ff000f };
33 
34 #define SIZEOF_PIXEL ((bit_depth + 7) / 8)
35 #define SIZEOF_COEF (2 * ((bit_depth + 7) / 8))
36 #define PIXEL_STRIDE 16
37 
38 #define randomize_buffers() \
39  do { \
40  int x, y; \
41  uint32_t mask = pixel_mask[bit_depth - 8]; \
42  for (y = 0; y < sz; y++) { \
43  for (x = 0; x < PIXEL_STRIDE; x += 4) { \
44  AV_WN32A(src + y * PIXEL_STRIDE + x, rnd() & mask); \
45  AV_WN32A(dst + y * PIXEL_STRIDE + x, rnd() & mask); \
46  } \
47  for (x = 0; x < sz; x++) { \
48  if (bit_depth == 8) { \
49  coef[y * sz + x] = src[y * PIXEL_STRIDE + x] - \
50  dst[y * PIXEL_STRIDE + x]; \
51  } else { \
52  ((int32_t *)coef)[y * sz + x] = \
53  ((uint16_t *)src)[y * (PIXEL_STRIDE/2) + x] - \
54  ((uint16_t *)dst)[y * (PIXEL_STRIDE/2) + x]; \
55  } \
56  } \
57  } \
58  } while (0)
59 
60 #define dct4x4_impl(size, dctcoef) \
61 static void dct4x4_##size(dctcoef *coef) \
62 { \
63  int i, y, x; \
64  dctcoef tmp[16]; \
65  for (i = 0; i < 4; i++) { \
66  const int z0 = coef[i*4 + 0] + coef[i*4 + 3]; \
67  const int z1 = coef[i*4 + 1] + coef[i*4 + 2]; \
68  const int z2 = coef[i*4 + 0] - coef[i*4 + 3]; \
69  const int z3 = coef[i*4 + 1] - coef[i*4 + 2]; \
70  tmp[i + 4*0] = z0 + z1; \
71  tmp[i + 4*1] = 2*z2 + z3; \
72  tmp[i + 4*2] = z0 - z1; \
73  tmp[i + 4*3] = z2 - 2*z3; \
74  } \
75  for (i = 0; i < 4; i++) { \
76  const int z0 = tmp[i*4 + 0] + tmp[i*4 + 3]; \
77  const int z1 = tmp[i*4 + 1] + tmp[i*4 + 2]; \
78  const int z2 = tmp[i*4 + 0] - tmp[i*4 + 3]; \
79  const int z3 = tmp[i*4 + 1] - tmp[i*4 + 2]; \
80  coef[i*4 + 0] = z0 + z1; \
81  coef[i*4 + 1] = 2*z2 + z3; \
82  coef[i*4 + 2] = z0 - z1; \
83  coef[i*4 + 3] = z2 - 2*z3; \
84  } \
85  for (y = 0; y < 4; y++) { \
86  for (x = 0; x < 4; x++) { \
87  static const int scale[] = { 13107 * 10, 8066 * 13, 5243 * 16 }; \
88  const int idx = (y & 1) + (x & 1); \
89  coef[y*4 + x] = (coef[y*4 + x] * scale[idx] + (1 << 14)) >> 15; \
90  } \
91  } \
92 }
93 
94 #define DCT8_1D(src, srcstride, dst, dststride) do { \
95  const int a0 = (src)[srcstride * 0] + (src)[srcstride * 7]; \
96  const int a1 = (src)[srcstride * 0] - (src)[srcstride * 7]; \
97  const int a2 = (src)[srcstride * 1] + (src)[srcstride * 6]; \
98  const int a3 = (src)[srcstride * 1] - (src)[srcstride * 6]; \
99  const int a4 = (src)[srcstride * 2] + (src)[srcstride * 5]; \
100  const int a5 = (src)[srcstride * 2] - (src)[srcstride * 5]; \
101  const int a6 = (src)[srcstride * 3] + (src)[srcstride * 4]; \
102  const int a7 = (src)[srcstride * 3] - (src)[srcstride * 4]; \
103  const int b0 = a0 + a6; \
104  const int b1 = a2 + a4; \
105  const int b2 = a0 - a6; \
106  const int b3 = a2 - a4; \
107  const int b4 = a3 + a5 + (a1 + (a1 >> 1)); \
108  const int b5 = a1 - a7 - (a5 + (a5 >> 1)); \
109  const int b6 = a1 + a7 - (a3 + (a3 >> 1)); \
110  const int b7 = a3 - a5 + (a7 + (a7 >> 1)); \
111  (dst)[dststride * 0] = b0 + b1; \
112  (dst)[dststride * 1] = b4 + (b7 >> 2); \
113  (dst)[dststride * 2] = b2 + (b3 >> 1); \
114  (dst)[dststride * 3] = b5 + (b6 >> 2); \
115  (dst)[dststride * 4] = b0 - b1; \
116  (dst)[dststride * 5] = b6 - (b5 >> 2); \
117  (dst)[dststride * 6] = (b2 >> 1) - b3; \
118  (dst)[dststride * 7] = (b4 >> 2) - b7; \
119 } while (0)
120 
121 #define dct8x8_impl(size, dctcoef) \
122 static void dct8x8_##size(dctcoef *coef) \
123 { \
124  int i, x, y; \
125  dctcoef tmp[64]; \
126  for (i = 0; i < 8; i++) \
127  DCT8_1D(coef + i, 8, tmp + i, 8); \
128  \
129  for (i = 0; i < 8; i++) \
130  DCT8_1D(tmp + 8*i, 1, coef + i, 8); \
131  \
132  for (y = 0; y < 8; y++) { \
133  for (x = 0; x < 8; x++) { \
134  static const int scale[] = { \
135  13107 * 20, 11428 * 18, 20972 * 32, \
136  12222 * 19, 16777 * 25, 15481 * 24, \
137  }; \
138  static const int idxmap[] = { \
139  0, 3, 4, 3, \
140  3, 1, 5, 1, \
141  4, 5, 2, 5, \
142  3, 1, 5, 1, \
143  }; \
144  const int idx = idxmap[(y & 3) * 4 + (x & 3)]; \
145  coef[y*8 + x] = ((int64_t)coef[y*8 + x] * \
146  scale[idx] + (1 << 17)) >> 18; \
147  } \
148  } \
149 }
150 
151 dct4x4_impl(16, int16_t)
152 dct4x4_impl(32, int32_t)
153 
154 dct8x8_impl(16, int16_t)
155 dct8x8_impl(32, int32_t)
156 
157 static void dct4x4(int16_t *coef, int bit_depth)
158 {
159  if (bit_depth == 8)
160  dct4x4_16(coef);
161  else
162  dct4x4_32((int32_t *) coef);
163 }
164 
165 static void dct8x8(int16_t *coef, int bit_depth)
166 {
167  if (bit_depth == 8) {
168  dct8x8_16(coef);
169  } else {
170  dct8x8_32((int32_t *) coef);
171  }
172 }
173 
174 
175 static void check_idct(void)
176 {
177  LOCAL_ALIGNED_16(uint8_t, src, [8 * 8 * 2]);
178  LOCAL_ALIGNED_16(uint8_t, dst, [8 * 8 * 2]);
179  LOCAL_ALIGNED_16(uint8_t, dst0, [8 * 8 * 2]);
180  LOCAL_ALIGNED_16(uint8_t, dst1_base, [8 * 8 * 2 + 32]);
181  LOCAL_ALIGNED_16(int16_t, coef, [8 * 8 * 2]);
182  LOCAL_ALIGNED_16(int16_t, subcoef0, [8 * 8 * 2]);
183  LOCAL_ALIGNED_16(int16_t, subcoef1, [8 * 8 * 2]);
185  int bit_depth, sz, align, dc;
186  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, int16_t *block, int stride);
187 
188  for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
190  for (sz = 4; sz <= 8; sz += 4) {
192 
193  if (sz == 4)
194  dct4x4(coef, bit_depth);
195  else
196  dct8x8(coef, bit_depth);
197 
198  for (dc = 0; dc <= 1; dc++) {
199  void (*idct)(uint8_t *, int16_t *, int) = NULL;
200  switch ((sz << 1) | dc) {
201  case (4 << 1) | 0: idct = h.h264_idct_add; break;
202  case (4 << 1) | 1: idct = h.h264_idct_dc_add; break;
203  case (8 << 1) | 0: idct = h.h264_idct8_add; break;
204  case (8 << 1) | 1: idct = h.h264_idct8_dc_add; break;
205  }
206  if (check_func(idct, "h264_idct%d_add%s_%dbpp", sz, dc ? "_dc" : "", bit_depth)) {
207  for (align = 0; align < 16; align += sz * SIZEOF_PIXEL) {
208  uint8_t *dst1 = dst1_base + align;
209  if (dc) {
210  memset(subcoef0, 0, sz * sz * SIZEOF_COEF);
211  memcpy(subcoef0, coef, SIZEOF_COEF);
212  } else {
213  memcpy(subcoef0, coef, sz * sz * SIZEOF_COEF);
214  }
215  memcpy(dst0, dst, sz * PIXEL_STRIDE);
216  memcpy(dst1, dst, sz * PIXEL_STRIDE);
217  memcpy(subcoef1, subcoef0, sz * sz * SIZEOF_COEF);
218  call_ref(dst0, subcoef0, PIXEL_STRIDE);
219  call_new(dst1, subcoef1, PIXEL_STRIDE);
220  if (memcmp(dst0, dst1, sz * PIXEL_STRIDE) ||
221  memcmp(subcoef0, subcoef1, sz * sz * SIZEOF_COEF))
222  fail();
223  bench_new(dst1, subcoef1, sz * SIZEOF_PIXEL);
224  }
225  }
226  }
227  }
228  }
229 }
230 
231 static void check_idct_multiple(void)
232 {
233  LOCAL_ALIGNED_16(uint8_t, dst_full, [16 * 16 * 2]);
234  LOCAL_ALIGNED_16(int16_t, coef_full, [16 * 16 * 2]);
235  LOCAL_ALIGNED_16(uint8_t, dst0, [16 * 16 * 2]);
236  LOCAL_ALIGNED_16(uint8_t, dst1, [16 * 16 * 2]);
237  LOCAL_ALIGNED_16(int16_t, coef0, [16 * 16 * 2]);
238  LOCAL_ALIGNED_16(int16_t, coef1, [16 * 16 * 2]);
239  LOCAL_ALIGNED_16(uint8_t, nnzc, [15 * 8]);
241  int bit_depth, i, y, func;
242  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, const int *block_offset, int16_t *block, int stride, const uint8_t nnzc[15*8]);
243 
244  for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
246  for (func = 0; func < 3; func++) {
247  void (*idct)(uint8_t *, const int *, int16_t *, int, const uint8_t[]) = NULL;
248  const char *name;
249  int sz = 4, intra = 0;
250  int block_offset[16] = { 0 };
251  switch (func) {
252  case 0:
253  idct = h.h264_idct_add16;
254  name = "h264_idct_add16";
255  break;
256  case 1:
257  idct = h.h264_idct_add16intra;
258  name = "h264_idct_add16intra";
259  intra = 1;
260  break;
261  case 2:
262  idct = h.h264_idct8_add4;
263  name = "h264_idct8_add4";
264  sz = 8;
265  break;
266  }
267  memset(nnzc, 0, 15 * 8);
268  memset(coef_full, 0, 16 * 16 * SIZEOF_COEF);
269  for (i = 0; i < 16 * 16; i += sz * sz) {
270  uint8_t src[8 * 8 * 2];
271  uint8_t dst[8 * 8 * 2];
272  int16_t coef[8 * 8 * 2];
273  int index = i / sz;
274  int block_y = (index / 16) * sz;
275  int block_x = index % 16;
276  int offset = (block_y * 16 + block_x) * SIZEOF_PIXEL;
277  int nnz = rnd() % 3;
278 
280  if (sz == 4)
281  dct4x4(coef, bit_depth);
282  else
283  dct8x8(coef, bit_depth);
284 
285  for (y = 0; y < sz; y++)
286  memcpy(&dst_full[offset + y * 16 * SIZEOF_PIXEL],
287  &dst[PIXEL_STRIDE * y], sz * SIZEOF_PIXEL);
288 
289  if (nnz > 1)
290  nnz = sz * sz;
291  memcpy(&coef_full[i * SIZEOF_COEF/sizeof(coef[0])],
292  coef, nnz * SIZEOF_COEF);
293 
294  if (intra && nnz == 1)
295  nnz = 0;
296 
297  nnzc[scan8[i / 16]] = nnz;
298  block_offset[i / 16] = offset;
299  }
300 
301  if (check_func(idct, "%s_%dbpp", name, bit_depth)) {
302  memcpy(coef0, coef_full, 16 * 16 * SIZEOF_COEF);
303  memcpy(coef1, coef_full, 16 * 16 * SIZEOF_COEF);
304  memcpy(dst0, dst_full, 16 * 16 * SIZEOF_PIXEL);
305  memcpy(dst1, dst_full, 16 * 16 * SIZEOF_PIXEL);
306  call_ref(dst0, block_offset, coef0, 16 * SIZEOF_PIXEL, nnzc);
307  call_new(dst1, block_offset, coef1, 16 * SIZEOF_PIXEL, nnzc);
308  if (memcmp(dst0, dst1, 16 * 16 * SIZEOF_PIXEL) ||
309  memcmp(coef0, coef1, 16 * 16 * SIZEOF_COEF))
310  fail();
311  bench_new(dst1, block_offset, coef1, 16 * SIZEOF_PIXEL, nnzc);
312  }
313  }
314  }
315 }
316 
317 
318 static void check_loop_filter(void)
319 {
320  LOCAL_ALIGNED_16(uint8_t, dst, [32 * 16 * 2]);
321  LOCAL_ALIGNED_16(uint8_t, dst0, [32 * 16 * 2]);
322  LOCAL_ALIGNED_16(uint8_t, dst1, [32 * 16 * 2]);
324  int bit_depth;
325  int alphas[36], betas[36];
326  int8_t tc0[36][4];
327 
328  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *pix, ptrdiff_t stride,
329  int alpha, int beta, int8_t *tc0);
330 
331  for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
332  int i, j, a, c;
333  uint32_t mask = pixel_mask_lf[bit_depth - 8];
335  for (i = 35, a = 255, c = 250; i >= 0; i--) {
336  alphas[i] = a << (bit_depth - 8);
337  betas[i] = (i + 1) / 2 << (bit_depth - 8);
338  tc0[i][0] = tc0[i][3] = (c + 6) / 10;
339  tc0[i][1] = (c + 7) / 15;
340  tc0[i][2] = (c + 9) / 20;
341  a = a*9/10;
342  c = c*9/10;
343  }
344 
345 #define CHECK_LOOP_FILTER(name, align, idc) \
346  do { \
347  if (check_func(h.name, #name #idc "_%dbpp", bit_depth)) { \
348  for (j = 0; j < 36; j++) { \
349  intptr_t off = 8 * 32 + (j & 15) * 4 * !align; \
350  for (i = 0; i < 1024; i+=4) { \
351  AV_WN32A(dst + i, rnd() & mask); \
352  } \
353  memcpy(dst0, dst, 32 * 16 * 2); \
354  memcpy(dst1, dst, 32 * 16 * 2); \
355  \
356  call_ref(dst0 + off, 32, alphas[j], betas[j], tc0[j]); \
357  call_new(dst1 + off, 32, alphas[j], betas[j], tc0[j]); \
358  if (memcmp(dst0, dst1, 32 * 16 * SIZEOF_PIXEL)) { \
359  fprintf(stderr, #name #idc ": j:%d, alpha:%d beta:%d " \
360  "tc0:{%d,%d,%d,%d}\n", j, alphas[j], betas[j], \
361  tc0[j][0], tc0[j][1], tc0[j][2], tc0[j][3]); \
362  fail(); \
363  } \
364  bench_new(dst1, 32, alphas[j], betas[j], tc0[j]); \
365  } \
366  } \
367  } while (0)
368 
375 
379 #undef CHECK_LOOP_FILTER
380  }
381 }
382 
383 static void check_loop_filter_intra(void)
384 {
385  LOCAL_ALIGNED_16(uint8_t, dst, [32 * 16 * 2]);
386  LOCAL_ALIGNED_16(uint8_t, dst0, [32 * 16 * 2]);
387  LOCAL_ALIGNED_16(uint8_t, dst1, [32 * 16 * 2]);
389  int bit_depth;
390  int alphas[36], betas[36];
391 
392  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *pix, ptrdiff_t stride,
393  int alpha, int beta);
394 
395  for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
396  int i, j, a;
397  uint32_t mask = pixel_mask_lf[bit_depth - 8];
399  for (i = 35, a = 255; i >= 0; i--) {
400  alphas[i] = a << (bit_depth - 8);
401  betas[i] = (i + 1) / 2 << (bit_depth - 8);
402  a = a*9/10;
403  }
404 
405 #define CHECK_LOOP_FILTER(name, align, idc) \
406  do { \
407  if (check_func(h.name, #name #idc "_%dbpp", bit_depth)) { \
408  for (j = 0; j < 36; j++) { \
409  intptr_t off = 8 * 32 + (j & 15) * 4 * !align; \
410  for (i = 0; i < 1024; i+=4) { \
411  AV_WN32A(dst + i, rnd() & mask); \
412  } \
413  memcpy(dst0, dst, 32 * 16 * 2); \
414  memcpy(dst1, dst, 32 * 16 * 2); \
415  \
416  call_ref(dst0 + off, 32, alphas[j], betas[j]); \
417  call_new(dst1 + off, 32, alphas[j], betas[j]); \
418  if (memcmp(dst0, dst1, 32 * 16 * SIZEOF_PIXEL)) { \
419  fprintf(stderr, #name #idc ": j:%d, alpha:%d beta:%d\n", \
420  j, alphas[j], betas[j]); \
421  fail(); \
422  } \
423  bench_new(dst1, 32, alphas[j], betas[j]); \
424  } \
425  } \
426  } while (0)
427 
434 
438 #undef CHECK_LOOP_FILTER
439  }
440 }
441 
443 {
444  check_idct();
446  report("idct");
447 
449  report("loop_filter");
450 
452  report("loop_filter_intra");
453 }
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:254
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
int32_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
int index
Definition: gxfenc.c:89
static const uint8_t scan8[16 *3+3]
Definition: h264dec.h:651
H.264 DSP functions.
static void FUNCC() h264_h_loop_filter_chroma(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
static void FUNCC() h264_v_loop_filter_luma_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
static void FUNCC() h264_h_loop_filter_luma_mbaff(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
static void FUNCC() h264_v_loop_filter_chroma(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
static void FUNCC() h264_h_loop_filter_chroma_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
static void FUNCC() h264_v_loop_filter_luma(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
static void FUNCC() h264_h_loop_filter_luma_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
static void FUNCC() h264_h_loop_filter_luma_mbaff_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
static void FUNCC() h264_h_loop_filter_luma(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
static void FUNCC() h264_v_loop_filter_chroma_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
static void FUNCC() h264_h_loop_filter_chroma_mbaff(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
static void FUNCC() h264_h_loop_filter_chroma_mbaff_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
static const int16_t alpha[]
Definition: ilbcdata.h:55
int i
Definition: input.c:407
static void idct(int16_t block[64])
Definition: 4xm.c:164
av_cold void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
Definition: h264dsp.c:67
int(* func)(AVBPrint *dst, const char *in, const char *arg)
Definition: jacosubdec.c:67
common internal API header
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
const char * name
Definition: qsvenc.c:46
typedef void(RENAME(mix_any_func_type))
Context for storing H.264 DSP functions.
Definition: h264dsp.h:42
#define SIZEOF_PIXEL
Definition: h264dsp.c:34
void checkasm_check_h264dsp(void)
Definition: h264dsp.c:442
#define randomize_buffers()
Definition: h264dsp.c:38
static void check_loop_filter(void)
Definition: h264dsp.c:318
#define PIXEL_STRIDE
Definition: h264dsp.c:36
static void check_idct_multiple(void)
Definition: h264dsp.c:231
static void check_loop_filter_intra(void)
Definition: h264dsp.c:383
static const uint32_t pixel_mask_lf[3]
Definition: h264dsp.c:32
static void check_idct(void)
Definition: h264dsp.c:175
#define CHECK_LOOP_FILTER(name, align, idc)
static void dct8x8(int16_t *coef, int bit_depth)
Definition: h264dsp.c:165
static const uint32_t pixel_mask[3]
Definition: h264dsp.c:31
#define dct4x4_impl(size, dctcoef)
Definition: h264dsp.c:60
#define dct8x8_impl(size, dctcoef)
Definition: h264dsp.c:121
#define SIZEOF_COEF
Definition: h264dsp.c:35
#define src
Definition: vp8dsp.c:255
static void dct4x4(int16_t *coef)
Definition: vp8dsp.c:46
static int16_t block[64]
Definition: dct.c:116
static const uint8_t offset[127][2]
Definition: vf_spp.c:107
static double c[64]