FFmpeg  4.3.6
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 
30 static const uint32_t pixel_mask[3] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff };
31 static const uint32_t pixel_mask_lf[3] = { 0xff0fff0f, 0x01ff000f, 0x03ff000f };
32 
33 #define SIZEOF_PIXEL ((bit_depth + 7) / 8)
34 #define SIZEOF_COEF (2 * ((bit_depth + 7) / 8))
35 #define PIXEL_STRIDE 16
36 
37 #define randomize_buffers() \
38  do { \
39  int x, y; \
40  uint32_t mask = pixel_mask[bit_depth - 8]; \
41  for (y = 0; y < sz; y++) { \
42  for (x = 0; x < PIXEL_STRIDE; x += 4) { \
43  AV_WN32A(src + y * PIXEL_STRIDE + x, rnd() & mask); \
44  AV_WN32A(dst + y * PIXEL_STRIDE + x, rnd() & mask); \
45  } \
46  for (x = 0; x < sz; x++) { \
47  if (bit_depth == 8) { \
48  coef[y * sz + x] = src[y * PIXEL_STRIDE + x] - \
49  dst[y * PIXEL_STRIDE + x]; \
50  } else { \
51  ((int32_t *)coef)[y * sz + x] = \
52  ((uint16_t *)src)[y * (PIXEL_STRIDE/2) + x] - \
53  ((uint16_t *)dst)[y * (PIXEL_STRIDE/2) + x]; \
54  } \
55  } \
56  } \
57  } while (0)
58 
59 #define dct4x4_impl(size, dctcoef) \
60 static void dct4x4_##size(dctcoef *coef) \
61 { \
62  int i, y, x; \
63  dctcoef tmp[16]; \
64  for (i = 0; i < 4; i++) { \
65  const int z0 = coef[i*4 + 0] + coef[i*4 + 3]; \
66  const int z1 = coef[i*4 + 1] + coef[i*4 + 2]; \
67  const int z2 = coef[i*4 + 0] - coef[i*4 + 3]; \
68  const int z3 = coef[i*4 + 1] - coef[i*4 + 2]; \
69  tmp[i + 4*0] = z0 + z1; \
70  tmp[i + 4*1] = 2*z2 + z3; \
71  tmp[i + 4*2] = z0 - z1; \
72  tmp[i + 4*3] = z2 - 2*z3; \
73  } \
74  for (i = 0; i < 4; i++) { \
75  const int z0 = tmp[i*4 + 0] + tmp[i*4 + 3]; \
76  const int z1 = tmp[i*4 + 1] + tmp[i*4 + 2]; \
77  const int z2 = tmp[i*4 + 0] - tmp[i*4 + 3]; \
78  const int z3 = tmp[i*4 + 1] - tmp[i*4 + 2]; \
79  coef[i*4 + 0] = z0 + z1; \
80  coef[i*4 + 1] = 2*z2 + z3; \
81  coef[i*4 + 2] = z0 - z1; \
82  coef[i*4 + 3] = z2 - 2*z3; \
83  } \
84  for (y = 0; y < 4; y++) { \
85  for (x = 0; x < 4; x++) { \
86  static const int scale[] = { 13107 * 10, 8066 * 13, 5243 * 16 }; \
87  const int idx = (y & 1) + (x & 1); \
88  coef[y*4 + x] = (coef[y*4 + x] * scale[idx] + (1 << 14)) >> 15; \
89  } \
90  } \
91 }
92 
93 #define DCT8_1D(src, srcstride, dst, dststride) do { \
94  const int a0 = (src)[srcstride * 0] + (src)[srcstride * 7]; \
95  const int a1 = (src)[srcstride * 0] - (src)[srcstride * 7]; \
96  const int a2 = (src)[srcstride * 1] + (src)[srcstride * 6]; \
97  const int a3 = (src)[srcstride * 1] - (src)[srcstride * 6]; \
98  const int a4 = (src)[srcstride * 2] + (src)[srcstride * 5]; \
99  const int a5 = (src)[srcstride * 2] - (src)[srcstride * 5]; \
100  const int a6 = (src)[srcstride * 3] + (src)[srcstride * 4]; \
101  const int a7 = (src)[srcstride * 3] - (src)[srcstride * 4]; \
102  const int b0 = a0 + a6; \
103  const int b1 = a2 + a4; \
104  const int b2 = a0 - a6; \
105  const int b3 = a2 - a4; \
106  const int b4 = a3 + a5 + (a1 + (a1 >> 1)); \
107  const int b5 = a1 - a7 - (a5 + (a5 >> 1)); \
108  const int b6 = a1 + a7 - (a3 + (a3 >> 1)); \
109  const int b7 = a3 - a5 + (a7 + (a7 >> 1)); \
110  (dst)[dststride * 0] = b0 + b1; \
111  (dst)[dststride * 1] = b4 + (b7 >> 2); \
112  (dst)[dststride * 2] = b2 + (b3 >> 1); \
113  (dst)[dststride * 3] = b5 + (b6 >> 2); \
114  (dst)[dststride * 4] = b0 - b1; \
115  (dst)[dststride * 5] = b6 - (b5 >> 2); \
116  (dst)[dststride * 6] = (b2 >> 1) - b3; \
117  (dst)[dststride * 7] = (b4 >> 2) - b7; \
118 } while (0)
119 
120 #define dct8x8_impl(size, dctcoef) \
121 static void dct8x8_##size(dctcoef *coef) \
122 { \
123  int i, x, y; \
124  dctcoef tmp[64]; \
125  for (i = 0; i < 8; i++) \
126  DCT8_1D(coef + i, 8, tmp + i, 8); \
127  \
128  for (i = 0; i < 8; i++) \
129  DCT8_1D(tmp + 8*i, 1, coef + i, 8); \
130  \
131  for (y = 0; y < 8; y++) { \
132  for (x = 0; x < 8; x++) { \
133  static const int scale[] = { \
134  13107 * 20, 11428 * 18, 20972 * 32, \
135  12222 * 19, 16777 * 25, 15481 * 24, \
136  }; \
137  static const int idxmap[] = { \
138  0, 3, 4, 3, \
139  3, 1, 5, 1, \
140  4, 5, 2, 5, \
141  3, 1, 5, 1, \
142  }; \
143  const int idx = idxmap[(y & 3) * 4 + (x & 3)]; \
144  coef[y*8 + x] = ((int64_t)coef[y*8 + x] * \
145  scale[idx] + (1 << 17)) >> 18; \
146  } \
147  } \
148 }
149 
150 dct4x4_impl(16, int16_t)
151 dct4x4_impl(32, int32_t)
152 
153 dct8x8_impl(16, int16_t)
154 dct8x8_impl(32, int32_t)
155 
156 static void dct4x4(int16_t *coef, int bit_depth)
157 {
158  if (bit_depth == 8)
159  dct4x4_16(coef);
160  else
161  dct4x4_32((int32_t *) coef);
162 }
163 
164 static void dct8x8(int16_t *coef, int bit_depth)
165 {
166  if (bit_depth == 8) {
167  dct8x8_16(coef);
168  } else {
169  dct8x8_32((int32_t *) coef);
170  }
171 }
172 
173 
174 static void check_idct(void)
175 {
176  LOCAL_ALIGNED_16(uint8_t, src, [8 * 8 * 2]);
177  LOCAL_ALIGNED_16(uint8_t, dst, [8 * 8 * 2]);
178  LOCAL_ALIGNED_16(uint8_t, dst0, [8 * 8 * 2]);
179  LOCAL_ALIGNED_16(uint8_t, dst1_base, [8 * 8 * 2 + 32]);
180  LOCAL_ALIGNED_16(int16_t, coef, [8 * 8 * 2]);
181  LOCAL_ALIGNED_16(int16_t, subcoef0, [8 * 8 * 2]);
182  LOCAL_ALIGNED_16(int16_t, subcoef1, [8 * 8 * 2]);
184  int bit_depth, sz, align, dc;
185  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, int16_t *block, int stride);
186 
187  for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
188  ff_h264dsp_init(&h, bit_depth, 1);
189  for (sz = 4; sz <= 8; sz += 4) {
191 
192  if (sz == 4)
193  dct4x4(coef, bit_depth);
194  else
195  dct8x8(coef, bit_depth);
196 
197  for (dc = 0; dc <= 1; dc++) {
198  void (*idct)(uint8_t *, int16_t *, int) = NULL;
199  switch ((sz << 1) | dc) {
200  case (4 << 1) | 0: idct = h.h264_idct_add; break;
201  case (4 << 1) | 1: idct = h.h264_idct_dc_add; break;
202  case (8 << 1) | 0: idct = h.h264_idct8_add; break;
203  case (8 << 1) | 1: idct = h.h264_idct8_dc_add; break;
204  }
205  if (check_func(idct, "h264_idct%d_add%s_%dbpp", sz, dc ? "_dc" : "", bit_depth)) {
206  for (align = 0; align < 16; align += sz * SIZEOF_PIXEL) {
207  uint8_t *dst1 = dst1_base + align;
208  if (dc) {
209  memset(subcoef0, 0, sz * sz * SIZEOF_COEF);
210  memcpy(subcoef0, coef, SIZEOF_COEF);
211  } else {
212  memcpy(subcoef0, coef, sz * sz * SIZEOF_COEF);
213  }
214  memcpy(dst0, dst, sz * PIXEL_STRIDE);
215  memcpy(dst1, dst, sz * PIXEL_STRIDE);
216  memcpy(subcoef1, subcoef0, sz * sz * SIZEOF_COEF);
217  call_ref(dst0, subcoef0, PIXEL_STRIDE);
218  call_new(dst1, subcoef1, PIXEL_STRIDE);
219  if (memcmp(dst0, dst1, sz * PIXEL_STRIDE) ||
220  memcmp(subcoef0, subcoef1, sz * sz * SIZEOF_COEF))
221  fail();
222  bench_new(dst1, subcoef1, sz * SIZEOF_PIXEL);
223  }
224  }
225  }
226  }
227  }
228 }
229 
230 static void check_idct_multiple(void)
231 {
232  LOCAL_ALIGNED_16(uint8_t, dst_full, [16 * 16 * 2]);
233  LOCAL_ALIGNED_16(int16_t, coef_full, [16 * 16 * 2]);
234  LOCAL_ALIGNED_16(uint8_t, dst0, [16 * 16 * 2]);
235  LOCAL_ALIGNED_16(uint8_t, dst1, [16 * 16 * 2]);
236  LOCAL_ALIGNED_16(int16_t, coef0, [16 * 16 * 2]);
237  LOCAL_ALIGNED_16(int16_t, coef1, [16 * 16 * 2]);
238  LOCAL_ALIGNED_16(uint8_t, nnzc, [15 * 8]);
240  int bit_depth, i, y, func;
241  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]);
242 
243  for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
244  ff_h264dsp_init(&h, bit_depth, 1);
245  for (func = 0; func < 3; func++) {
246  void (*idct)(uint8_t *, const int *, int16_t *, int, const uint8_t[]) = NULL;
247  const char *name;
248  int sz = 4, intra = 0;
249  int block_offset[16] = { 0 };
250  switch (func) {
251  case 0:
252  idct = h.h264_idct_add16;
253  name = "h264_idct_add16";
254  break;
255  case 1:
257  name = "h264_idct_add16intra";
258  intra = 1;
259  break;
260  case 2:
261  idct = h.h264_idct8_add4;
262  name = "h264_idct8_add4";
263  sz = 8;
264  break;
265  }
266  memset(nnzc, 0, 15 * 8);
267  memset(coef_full, 0, 16 * 16 * SIZEOF_COEF);
268  for (i = 0; i < 16 * 16; i += sz * sz) {
269  uint8_t src[8 * 8 * 2];
270  uint8_t dst[8 * 8 * 2];
271  int16_t coef[8 * 8 * 2];
272  int index = i / sz;
273  int block_y = (index / 16) * sz;
274  int block_x = index % 16;
275  int offset = (block_y * 16 + block_x) * SIZEOF_PIXEL;
276  int nnz = rnd() % 3;
277 
279  if (sz == 4)
280  dct4x4(coef, bit_depth);
281  else
282  dct8x8(coef, bit_depth);
283 
284  for (y = 0; y < sz; y++)
285  memcpy(&dst_full[offset + y * 16 * SIZEOF_PIXEL],
286  &dst[PIXEL_STRIDE * y], sz * SIZEOF_PIXEL);
287 
288  if (nnz > 1)
289  nnz = sz * sz;
290  memcpy(&coef_full[i * SIZEOF_COEF/sizeof(coef[0])],
291  coef, nnz * SIZEOF_COEF);
292 
293  if (intra && nnz == 1)
294  nnz = 0;
295 
296  nnzc[scan8[i / 16]] = nnz;
297  block_offset[i / 16] = offset;
298  }
299 
300  if (check_func(idct, "%s_%dbpp", name, bit_depth)) {
301  memcpy(coef0, coef_full, 16 * 16 * SIZEOF_COEF);
302  memcpy(coef1, coef_full, 16 * 16 * SIZEOF_COEF);
303  memcpy(dst0, dst_full, 16 * 16 * SIZEOF_PIXEL);
304  memcpy(dst1, dst_full, 16 * 16 * SIZEOF_PIXEL);
305  call_ref(dst0, block_offset, coef0, 16 * SIZEOF_PIXEL, nnzc);
306  call_new(dst1, block_offset, coef1, 16 * SIZEOF_PIXEL, nnzc);
307  if (memcmp(dst0, dst1, 16 * 16 * SIZEOF_PIXEL) ||
308  memcmp(coef0, coef1, 16 * 16 * SIZEOF_COEF))
309  fail();
310  bench_new(dst1, block_offset, coef1, 16 * SIZEOF_PIXEL, nnzc);
311  }
312  }
313  }
314 }
315 
316 
317 static void check_loop_filter(void)
318 {
319  LOCAL_ALIGNED_16(uint8_t, dst, [32 * 16 * 2]);
320  LOCAL_ALIGNED_16(uint8_t, dst0, [32 * 16 * 2]);
321  LOCAL_ALIGNED_16(uint8_t, dst1, [32 * 16 * 2]);
323  int bit_depth;
324  int alphas[36], betas[36];
325  int8_t tc0[36][4];
326 
327  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *pix, ptrdiff_t stride,
328  int alpha, int beta, int8_t *tc0);
329 
330  for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
331  int i, j, a, c;
332  uint32_t mask = pixel_mask_lf[bit_depth - 8];
333  ff_h264dsp_init(&h, bit_depth, 1);
334  for (i = 35, a = 255, c = 250; i >= 0; i--) {
335  alphas[i] = a << (bit_depth - 8);
336  betas[i] = (i + 1) / 2 << (bit_depth - 8);
337  tc0[i][0] = tc0[i][3] = (c + 6) / 10;
338  tc0[i][1] = (c + 7) / 15;
339  tc0[i][2] = (c + 9) / 20;
340  a = a*9/10;
341  c = c*9/10;
342  }
343 
344 #define CHECK_LOOP_FILTER(name, align, idc) \
345  do { \
346  if (check_func(h.name, #name #idc "_%dbpp", bit_depth)) { \
347  for (j = 0; j < 36; j++) { \
348  intptr_t off = 8 * 32 + (j & 15) * 4 * !align; \
349  for (i = 0; i < 1024; i+=4) { \
350  AV_WN32A(dst + i, rnd() & mask); \
351  } \
352  memcpy(dst0, dst, 32 * 16 * 2); \
353  memcpy(dst1, dst, 32 * 16 * 2); \
354  \
355  call_ref(dst0 + off, 32, alphas[j], betas[j], tc0[j]); \
356  call_new(dst1 + off, 32, alphas[j], betas[j], tc0[j]); \
357  if (memcmp(dst0, dst1, 32 * 16 * SIZEOF_PIXEL)) { \
358  fprintf(stderr, #name #idc ": j:%d, alpha:%d beta:%d " \
359  "tc0:{%d,%d,%d,%d}\n", j, alphas[j], betas[j], \
360  tc0[j][0], tc0[j][1], tc0[j][2], tc0[j][3]); \
361  fail(); \
362  } \
363  bench_new(dst1, 32, alphas[j], betas[j], tc0[j]); \
364  } \
365  } \
366  } while (0)
367 
374 
375  ff_h264dsp_init(&h, bit_depth, 2);
378 #undef CHECK_LOOP_FILTER
379  }
380 }
381 
382 static void check_loop_filter_intra(void)
383 {
384  LOCAL_ALIGNED_16(uint8_t, dst, [32 * 16 * 2]);
385  LOCAL_ALIGNED_16(uint8_t, dst0, [32 * 16 * 2]);
386  LOCAL_ALIGNED_16(uint8_t, dst1, [32 * 16 * 2]);
388  int bit_depth;
389  int alphas[36], betas[36];
390 
391  declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *pix, ptrdiff_t stride,
392  int alpha, int beta);
393 
394  for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
395  int i, j, a;
396  uint32_t mask = pixel_mask_lf[bit_depth - 8];
397  ff_h264dsp_init(&h, bit_depth, 1);
398  for (i = 35, a = 255; i >= 0; i--) {
399  alphas[i] = a << (bit_depth - 8);
400  betas[i] = (i + 1) / 2 << (bit_depth - 8);
401  a = a*9/10;
402  }
403 
404 #define CHECK_LOOP_FILTER(name, align, idc) \
405  do { \
406  if (check_func(h.name, #name #idc "_%dbpp", bit_depth)) { \
407  for (j = 0; j < 36; j++) { \
408  intptr_t off = 8 * 32 + (j & 15) * 4 * !align; \
409  for (i = 0; i < 1024; i+=4) { \
410  AV_WN32A(dst + i, rnd() & mask); \
411  } \
412  memcpy(dst0, dst, 32 * 16 * 2); \
413  memcpy(dst1, dst, 32 * 16 * 2); \
414  \
415  call_ref(dst0 + off, 32, alphas[j], betas[j]); \
416  call_new(dst1 + off, 32, alphas[j], betas[j]); \
417  if (memcmp(dst0, dst1, 32 * 16 * SIZEOF_PIXEL)) { \
418  fprintf(stderr, #name #idc ": j:%d, alpha:%d beta:%d\n", \
419  j, alphas[j], betas[j]); \
420  fail(); \
421  } \
422  bench_new(dst1, 32, alphas[j], betas[j]); \
423  } \
424  } \
425  } while (0)
426 
433 
434  ff_h264dsp_init(&h, bit_depth, 2);
437 #undef CHECK_LOOP_FILTER
438  }
439 }
440 
442 {
443  check_idct();
445  report("idct");
446 
448  report("loop_filter");
449 
451  report("loop_filter_intra");
452 }
#define NULL
Definition: coverity.c:32
static void idct(int16_t block[64])
Definition: 4xm.c:163
static void check_idct_multiple(void)
Definition: h264dsp.c:230
static void check_loop_filter_intra(void)
Definition: h264dsp.c:382
static void check_idct(void)
Definition: h264dsp.c:174
static void FUNCC() h264_h_loop_filter_chroma_mbaff(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
int stride
Definition: mace.c:144
#define dct8x8_impl(size, dctcoef)
Definition: h264dsp.c:120
static const uint32_t pixel_mask[3]
Definition: h264dsp.c:30
H.264 DSP functions.
#define report
Definition: checkasm.h:126
static int16_t block[64]
Definition: dct.c:115
static void check_loop_filter(void)
Definition: h264dsp.c:317
uint8_t
static void FUNCC() h264_v_loop_filter_chroma(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
void(* h264_idct_add16intra)(uint8_t *dst, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[15 *8])
Definition: h264dsp.h:99
void(* h264_idct_add)(uint8_t *dst, int16_t *block, int stride)
Definition: h264dsp.h:81
void(* h264_idct8_dc_add)(uint8_t *dst, int16_t *block, int stride)
Definition: h264dsp.h:87
#define src
Definition: vp8dsp.c:254
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
static void FUNCC() h264_h_loop_filter_luma(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
static void dct8x8(int16_t *coef, int bit_depth)
Definition: h264dsp.c:164
static void FUNCC() h264_h_loop_filter_luma_mbaff(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
static const uint16_t mask[17]
Definition: lzw.c:38
void checkasm_check_h264dsp(void)
Definition: h264dsp.c:441
static const uint8_t offset[127][2]
Definition: vf_spp.c:93
#define fail()
Definition: checkasm.h:123
void(* h264_idct_add16)(uint8_t *dst, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[15 *8])
Definition: h264dsp.h:90
common internal API header
const char * name
Definition: qsvenc.c:46
Context for storing H.264 DSP functions.
Definition: h264dsp.h:42
static void FUNCC() h264_h_loop_filter_luma_mbaff_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:254
int32_t
#define CHECK_LOOP_FILTER(name, align, idc)
static void FUNCC() h264_h_loop_filter_luma_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
#define declare_func_emms(cpu_flags, ret,...)
Definition: checkasm.h:120
static void FUNCC() h264_h_loop_filter_chroma(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
void(* h264_idct8_add)(uint8_t *dst, int16_t *block, int stride)
Definition: h264dsp.h:83
#define call_ref(...)
Definition: checkasm.h:129
static void FUNCC() h264_h_loop_filter_chroma_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
static void dct4x4(int16_t *coef)
Definition: vp8dsp.c:45
Libavcodec external API header.
typedef void(RENAME(mix_any_func_type))
#define PIXEL_STRIDE
Definition: h264dsp.c:35
static const int16_t alpha[]
Definition: ilbcdata.h:55
#define SIZEOF_PIXEL
Definition: h264dsp.c:33
#define AV_CPU_FLAG_MMX
standard MMX
Definition: cpu.h:31
static const uint8_t scan8[16 *3+3]
Definition: h264dec.h:650
void(* h264_idct8_add4)(uint8_t *dst, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[15 *8])
Definition: h264dsp.h:93
int(* func)(AVBPrint *dst, const char *in, const char *arg)
Definition: jacosubdec.c:67
int index
Definition: gxfenc.c:89
#define check_func(func,...)
Definition: checkasm.h:114
#define SIZEOF_COEF
Definition: h264dsp.c:34
static void FUNCC() h264_v_loop_filter_luma(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> dc
int
common internal and external API header
static double c[64]
#define rnd()
Definition: checkasm.h:107
static const uint32_t pixel_mask_lf[3]
Definition: h264dsp.c:31
#define dct4x4_impl(size, dctcoef)
Definition: h264dsp.c:59
static void FUNCC() h264_v_loop_filter_chroma_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
#define bench_new(...)
Definition: checkasm.h:261
static void FUNCC() h264_v_loop_filter_luma_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
av_cold void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
Definition: h264dsp.c:67
void(* h264_idct_dc_add)(uint8_t *dst, int16_t *block, int stride)
Definition: h264dsp.h:85
#define LOCAL_ALIGNED_16(t, v,...)
Definition: internal.h:131
static void FUNCC() h264_h_loop_filter_chroma_mbaff_intra(uint8_t *pix, ptrdiff_t stride, int alpha, int beta)
#define call_new(...)
Definition: checkasm.h:201
#define randomize_buffers()
Definition: h264dsp.c:37