av1_inv_txfm1d.c 80.3 KB
Newer Older
Angie Chiang's avatar
Angie Chiang committed
1
/*
2
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
Angie Chiang's avatar
Angie Chiang committed
3
 *
4 5 6 7 8 9
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
Angie Chiang's avatar
Angie Chiang committed
10 11
 */

12
#include <stdlib.h>
13
#include "aom_dsp/inv_txfm.h"
Yaowu Xu's avatar
Yaowu Xu committed
14
#include "av1/common/av1_inv_txfm1d.h"
Angie Chiang's avatar
Angie Chiang committed
15
#if CONFIG_COEFFICIENT_RANGE_CHECKING
16 17 18

void range_check_func(int32_t stage, const int32_t *input, const int32_t *buf,
                      int32_t size, int8_t bit) {
19 20
  const int64_t maxValue = (1LL << (bit - 1)) - 1;
  const int64_t minValue = -(1LL << (bit - 1));
21

22 23
  int in_range = 1;

24 25
  for (int i = 0; i < size; ++i) {
    if (buf[i] < minValue || buf[i] > maxValue) {
26 27 28 29 30 31 32 33 34 35 36
      in_range = 0;
    }
  }

  if (!in_range) {
    fprintf(stderr, "Error: coeffs contain out-of-range values\n");
    fprintf(stderr, "stage: %d\n", stage);
    fprintf(stderr, "allowed range: [%" PRId64 ";%" PRId64 "]\n", minValue,
            maxValue);

    fprintf(stderr, "coeffs: ");
37

38 39 40 41
    fprintf(stderr, "[");
    for (int j = 0; j < size; j++) {
      if (j > 0) fprintf(stderr, ", ");
      fprintf(stderr, "%d", input[j]);
42
    }
43 44 45 46 47 48 49 50 51 52
    fprintf(stderr, "]\n");

    fprintf(stderr, "   buf: ");

    fprintf(stderr, "[");
    for (int j = 0; j < size; j++) {
      if (j > 0) fprintf(stderr, ", ");
      fprintf(stderr, "%d", buf[j]);
    }
    fprintf(stderr, "]\n\n");
Angie Chiang's avatar
Angie Chiang committed
53
  }
54 55

  assert(in_range);
56 57 58 59
}

#define range_check(stage, input, buf, size, bit) \
  range_check_func(stage, input, buf, size, bit)
Angie Chiang's avatar
Angie Chiang committed
60 61
#else
#define range_check(stage, input, buf, size, bit) \
62 63 64 65 66 67 68
  {                                               \
    (void)stage;                                  \
    (void)input;                                  \
    (void)buf;                                    \
    (void)size;                                   \
    (void)bit;                                    \
  }
Angie Chiang's avatar
Angie Chiang committed
69 70
#endif

71
// TODO(angiebird): Make 1-d txfm functions static
Yaowu Xu's avatar
Yaowu Xu committed
72 73
void av1_idct4_new(const int32_t *input, int32_t *output, const int8_t *cos_bit,
                   const int8_t *stage_range) {
Angie Chiang's avatar
Angie Chiang committed
74 75 76 77 78 79 80 81 82 83 84 85
  const int32_t size = 4;
  const int32_t *cospi;

  int32_t stage = 0;
  int32_t *bf0, *bf1;
  int32_t step[4];

  // stage 0;
  range_check(stage, input, input, size, stage_range[stage]);

  // stage 1;
  stage++;
86
  assert(output != input);
Angie Chiang's avatar
Angie Chiang committed
87 88 89 90 91 92 93 94 95
  bf1 = output;
  bf1[0] = input[0];
  bf1[1] = input[2];
  bf1[2] = input[1];
  bf1[3] = input[3];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 2
  stage++;
96
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114
  bf0 = output;
  bf1 = step;
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit[stage]);
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit[stage]);
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit[stage]);
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit[stage]);
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 3
  stage++;
  bf0 = step;
  bf1 = output;
  bf1[0] = bf0[0] + bf0[3];
  bf1[1] = bf0[1] + bf0[2];
  bf1[2] = bf0[1] - bf0[2];
  bf1[3] = bf0[0] - bf0[3];
  range_check(stage, input, bf1, size, stage_range[stage]);
}
Angie Chiang's avatar
Angie Chiang committed
115

Yaowu Xu's avatar
Yaowu Xu committed
116 117
void av1_idct8_new(const int32_t *input, int32_t *output, const int8_t *cos_bit,
                   const int8_t *stage_range) {
Angie Chiang's avatar
Angie Chiang committed
118 119 120 121 122 123 124 125 126 127 128 129
  const int32_t size = 8;
  const int32_t *cospi;

  int32_t stage = 0;
  int32_t *bf0, *bf1;
  int32_t step[8];

  // stage 0;
  range_check(stage, input, input, size, stage_range[stage]);

  // stage 1;
  stage++;
130
  assert(output != input);
Angie Chiang's avatar
Angie Chiang committed
131 132 133 134 135 136 137 138 139 140 141 142 143
  bf1 = output;
  bf1[0] = input[0];
  bf1[1] = input[4];
  bf1[2] = input[2];
  bf1[3] = input[6];
  bf1[4] = input[1];
  bf1[5] = input[5];
  bf1[6] = input[3];
  bf1[7] = input[7];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 2
  stage++;
144
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
145 146 147 148 149 150 151 152 153 154 155 156 157 158
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = bf0[2];
  bf1[3] = bf0[3];
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit[stage]);
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit[stage]);
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit[stage]);
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit[stage]);
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 3
  stage++;
159
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
160 161 162 163 164 165 166 167 168 169 170 171 172 173
  bf0 = step;
  bf1 = output;
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit[stage]);
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit[stage]);
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit[stage]);
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit[stage]);
  bf1[4] = bf0[4] + bf0[5];
  bf1[5] = bf0[4] - bf0[5];
  bf1[6] = -bf0[6] + bf0[7];
  bf1[7] = bf0[6] + bf0[7];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 4
  stage++;
174
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0] + bf0[3];
  bf1[1] = bf0[1] + bf0[2];
  bf1[2] = bf0[1] - bf0[2];
  bf1[3] = bf0[0] - bf0[3];
  bf1[4] = bf0[4];
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit[stage]);
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit[stage]);
  bf1[7] = bf0[7];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 5
  stage++;
  bf0 = step;
  bf1 = output;
  bf1[0] = bf0[0] + bf0[7];
  bf1[1] = bf0[1] + bf0[6];
  bf1[2] = bf0[2] + bf0[5];
  bf1[3] = bf0[3] + bf0[4];
  bf1[4] = bf0[3] - bf0[4];
  bf1[5] = bf0[2] - bf0[5];
  bf1[6] = bf0[1] - bf0[6];
  bf1[7] = bf0[0] - bf0[7];
  range_check(stage, input, bf1, size, stage_range[stage]);
}
Angie Chiang's avatar
Angie Chiang committed
201

Yaowu Xu's avatar
Yaowu Xu committed
202 203
void av1_idct16_new(const int32_t *input, int32_t *output,
                    const int8_t *cos_bit, const int8_t *stage_range) {
Angie Chiang's avatar
Angie Chiang committed
204 205 206 207 208 209 210 211 212 213 214 215
  const int32_t size = 16;
  const int32_t *cospi;

  int32_t stage = 0;
  int32_t *bf0, *bf1;
  int32_t step[16];

  // stage 0;
  range_check(stage, input, input, size, stage_range[stage]);

  // stage 1;
  stage++;
216
  assert(output != input);
Angie Chiang's avatar
Angie Chiang committed
217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237
  bf1 = output;
  bf1[0] = input[0];
  bf1[1] = input[8];
  bf1[2] = input[4];
  bf1[3] = input[12];
  bf1[4] = input[2];
  bf1[5] = input[10];
  bf1[6] = input[6];
  bf1[7] = input[14];
  bf1[8] = input[1];
  bf1[9] = input[9];
  bf1[10] = input[5];
  bf1[11] = input[13];
  bf1[12] = input[3];
  bf1[13] = input[11];
  bf1[14] = input[7];
  bf1[15] = input[15];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 2
  stage++;
238
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = bf0[2];
  bf1[3] = bf0[3];
  bf1[4] = bf0[4];
  bf1[5] = bf0[5];
  bf1[6] = bf0[6];
  bf1[7] = bf0[7];
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit[stage]);
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit[stage]);
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit[stage]);
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit[stage]);
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit[stage]);
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit[stage]);
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit[stage]);
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit[stage]);
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 3
  stage++;
261
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283
  bf0 = step;
  bf1 = output;
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = bf0[2];
  bf1[3] = bf0[3];
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit[stage]);
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit[stage]);
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit[stage]);
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit[stage]);
  bf1[8] = bf0[8] + bf0[9];
  bf1[9] = bf0[8] - bf0[9];
  bf1[10] = -bf0[10] + bf0[11];
  bf1[11] = bf0[10] + bf0[11];
  bf1[12] = bf0[12] + bf0[13];
  bf1[13] = bf0[12] - bf0[13];
  bf1[14] = -bf0[14] + bf0[15];
  bf1[15] = bf0[14] + bf0[15];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 4
  stage++;
284
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306
  bf0 = output;
  bf1 = step;
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit[stage]);
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit[stage]);
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit[stage]);
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit[stage]);
  bf1[4] = bf0[4] + bf0[5];
  bf1[5] = bf0[4] - bf0[5];
  bf1[6] = -bf0[6] + bf0[7];
  bf1[7] = bf0[6] + bf0[7];
  bf1[8] = bf0[8];
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit[stage]);
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit[stage]);
  bf1[11] = bf0[11];
  bf1[12] = bf0[12];
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit[stage]);
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit[stage]);
  bf1[15] = bf0[15];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 5
  stage++;
307
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329
  bf0 = step;
  bf1 = output;
  bf1[0] = bf0[0] + bf0[3];
  bf1[1] = bf0[1] + bf0[2];
  bf1[2] = bf0[1] - bf0[2];
  bf1[3] = bf0[0] - bf0[3];
  bf1[4] = bf0[4];
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit[stage]);
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit[stage]);
  bf1[7] = bf0[7];
  bf1[8] = bf0[8] + bf0[11];
  bf1[9] = bf0[9] + bf0[10];
  bf1[10] = bf0[9] - bf0[10];
  bf1[11] = bf0[8] - bf0[11];
  bf1[12] = -bf0[12] + bf0[15];
  bf1[13] = -bf0[13] + bf0[14];
  bf1[14] = bf0[13] + bf0[14];
  bf1[15] = bf0[12] + bf0[15];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 6
  stage++;
330
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0] + bf0[7];
  bf1[1] = bf0[1] + bf0[6];
  bf1[2] = bf0[2] + bf0[5];
  bf1[3] = bf0[3] + bf0[4];
  bf1[4] = bf0[3] - bf0[4];
  bf1[5] = bf0[2] - bf0[5];
  bf1[6] = bf0[1] - bf0[6];
  bf1[7] = bf0[0] - bf0[7];
  bf1[8] = bf0[8];
  bf1[9] = bf0[9];
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit[stage]);
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit[stage]);
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit[stage]);
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit[stage]);
  bf1[14] = bf0[14];
  bf1[15] = bf0[15];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 7
  stage++;
  bf0 = step;
  bf1 = output;
  bf1[0] = bf0[0] + bf0[15];
  bf1[1] = bf0[1] + bf0[14];
  bf1[2] = bf0[2] + bf0[13];
  bf1[3] = bf0[3] + bf0[12];
  bf1[4] = bf0[4] + bf0[11];
  bf1[5] = bf0[5] + bf0[10];
  bf1[6] = bf0[6] + bf0[9];
  bf1[7] = bf0[7] + bf0[8];
  bf1[8] = bf0[7] - bf0[8];
  bf1[9] = bf0[6] - bf0[9];
  bf1[10] = bf0[5] - bf0[10];
  bf1[11] = bf0[4] - bf0[11];
  bf1[12] = bf0[3] - bf0[12];
  bf1[13] = bf0[2] - bf0[13];
  bf1[14] = bf0[1] - bf0[14];
  bf1[15] = bf0[0] - bf0[15];
  range_check(stage, input, bf1, size, stage_range[stage]);
}
Angie Chiang's avatar
Angie Chiang committed
373

Yaowu Xu's avatar
Yaowu Xu committed
374 375
void av1_idct32_new(const int32_t *input, int32_t *output,
                    const int8_t *cos_bit, const int8_t *stage_range) {
Angie Chiang's avatar
Angie Chiang committed
376 377 378 379 380 381 382 383 384 385 386 387
  const int32_t size = 32;
  const int32_t *cospi;

  int32_t stage = 0;
  int32_t *bf0, *bf1;
  int32_t step[32];

  // stage 0;
  range_check(stage, input, input, size, stage_range[stage]);

  // stage 1;
  stage++;
388
  assert(output != input);
Angie Chiang's avatar
Angie Chiang committed
389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425
  bf1 = output;
  bf1[0] = input[0];
  bf1[1] = input[16];
  bf1[2] = input[8];
  bf1[3] = input[24];
  bf1[4] = input[4];
  bf1[5] = input[20];
  bf1[6] = input[12];
  bf1[7] = input[28];
  bf1[8] = input[2];
  bf1[9] = input[18];
  bf1[10] = input[10];
  bf1[11] = input[26];
  bf1[12] = input[6];
  bf1[13] = input[22];
  bf1[14] = input[14];
  bf1[15] = input[30];
  bf1[16] = input[1];
  bf1[17] = input[17];
  bf1[18] = input[9];
  bf1[19] = input[25];
  bf1[20] = input[5];
  bf1[21] = input[21];
  bf1[22] = input[13];
  bf1[23] = input[29];
  bf1[24] = input[3];
  bf1[25] = input[19];
  bf1[26] = input[11];
  bf1[27] = input[27];
  bf1[28] = input[7];
  bf1[29] = input[23];
  bf1[30] = input[15];
  bf1[31] = input[31];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 2
  stage++;
426
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = bf0[2];
  bf1[3] = bf0[3];
  bf1[4] = bf0[4];
  bf1[5] = bf0[5];
  bf1[6] = bf0[6];
  bf1[7] = bf0[7];
  bf1[8] = bf0[8];
  bf1[9] = bf0[9];
  bf1[10] = bf0[10];
  bf1[11] = bf0[11];
  bf1[12] = bf0[12];
  bf1[13] = bf0[13];
  bf1[14] = bf0[14];
  bf1[15] = bf0[15];
  bf1[16] = half_btf(cospi[62], bf0[16], -cospi[2], bf0[31], cos_bit[stage]);
  bf1[17] = half_btf(cospi[30], bf0[17], -cospi[34], bf0[30], cos_bit[stage]);
  bf1[18] = half_btf(cospi[46], bf0[18], -cospi[18], bf0[29], cos_bit[stage]);
  bf1[19] = half_btf(cospi[14], bf0[19], -cospi[50], bf0[28], cos_bit[stage]);
  bf1[20] = half_btf(cospi[54], bf0[20], -cospi[10], bf0[27], cos_bit[stage]);
  bf1[21] = half_btf(cospi[22], bf0[21], -cospi[42], bf0[26], cos_bit[stage]);
  bf1[22] = half_btf(cospi[38], bf0[22], -cospi[26], bf0[25], cos_bit[stage]);
  bf1[23] = half_btf(cospi[6], bf0[23], -cospi[58], bf0[24], cos_bit[stage]);
  bf1[24] = half_btf(cospi[58], bf0[23], cospi[6], bf0[24], cos_bit[stage]);
  bf1[25] = half_btf(cospi[26], bf0[22], cospi[38], bf0[25], cos_bit[stage]);
  bf1[26] = half_btf(cospi[42], bf0[21], cospi[22], bf0[26], cos_bit[stage]);
  bf1[27] = half_btf(cospi[10], bf0[20], cospi[54], bf0[27], cos_bit[stage]);
  bf1[28] = half_btf(cospi[50], bf0[19], cospi[14], bf0[28], cos_bit[stage]);
  bf1[29] = half_btf(cospi[18], bf0[18], cospi[46], bf0[29], cos_bit[stage]);
  bf1[30] = half_btf(cospi[34], bf0[17], cospi[30], bf0[30], cos_bit[stage]);
  bf1[31] = half_btf(cospi[2], bf0[16], cospi[62], bf0[31], cos_bit[stage]);
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 3
  stage++;
465
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503
  bf0 = step;
  bf1 = output;
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = bf0[2];
  bf1[3] = bf0[3];
  bf1[4] = bf0[4];
  bf1[5] = bf0[5];
  bf1[6] = bf0[6];
  bf1[7] = bf0[7];
  bf1[8] = half_btf(cospi[60], bf0[8], -cospi[4], bf0[15], cos_bit[stage]);
  bf1[9] = half_btf(cospi[28], bf0[9], -cospi[36], bf0[14], cos_bit[stage]);
  bf1[10] = half_btf(cospi[44], bf0[10], -cospi[20], bf0[13], cos_bit[stage]);
  bf1[11] = half_btf(cospi[12], bf0[11], -cospi[52], bf0[12], cos_bit[stage]);
  bf1[12] = half_btf(cospi[52], bf0[11], cospi[12], bf0[12], cos_bit[stage]);
  bf1[13] = half_btf(cospi[20], bf0[10], cospi[44], bf0[13], cos_bit[stage]);
  bf1[14] = half_btf(cospi[36], bf0[9], cospi[28], bf0[14], cos_bit[stage]);
  bf1[15] = half_btf(cospi[4], bf0[8], cospi[60], bf0[15], cos_bit[stage]);
  bf1[16] = bf0[16] + bf0[17];
  bf1[17] = bf0[16] - bf0[17];
  bf1[18] = -bf0[18] + bf0[19];
  bf1[19] = bf0[18] + bf0[19];
  bf1[20] = bf0[20] + bf0[21];
  bf1[21] = bf0[20] - bf0[21];
  bf1[22] = -bf0[22] + bf0[23];
  bf1[23] = bf0[22] + bf0[23];
  bf1[24] = bf0[24] + bf0[25];
  bf1[25] = bf0[24] - bf0[25];
  bf1[26] = -bf0[26] + bf0[27];
  bf1[27] = bf0[26] + bf0[27];
  bf1[28] = bf0[28] + bf0[29];
  bf1[29] = bf0[28] - bf0[29];
  bf1[30] = -bf0[30] + bf0[31];
  bf1[31] = bf0[30] + bf0[31];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 4
  stage++;
504
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = bf0[2];
  bf1[3] = bf0[3];
  bf1[4] = half_btf(cospi[56], bf0[4], -cospi[8], bf0[7], cos_bit[stage]);
  bf1[5] = half_btf(cospi[24], bf0[5], -cospi[40], bf0[6], cos_bit[stage]);
  bf1[6] = half_btf(cospi[40], bf0[5], cospi[24], bf0[6], cos_bit[stage]);
  bf1[7] = half_btf(cospi[8], bf0[4], cospi[56], bf0[7], cos_bit[stage]);
  bf1[8] = bf0[8] + bf0[9];
  bf1[9] = bf0[8] - bf0[9];
  bf1[10] = -bf0[10] + bf0[11];
  bf1[11] = bf0[10] + bf0[11];
  bf1[12] = bf0[12] + bf0[13];
  bf1[13] = bf0[12] - bf0[13];
  bf1[14] = -bf0[14] + bf0[15];
  bf1[15] = bf0[14] + bf0[15];
  bf1[16] = bf0[16];
  bf1[17] = half_btf(-cospi[8], bf0[17], cospi[56], bf0[30], cos_bit[stage]);
  bf1[18] = half_btf(-cospi[56], bf0[18], -cospi[8], bf0[29], cos_bit[stage]);
  bf1[19] = bf0[19];
  bf1[20] = bf0[20];
  bf1[21] = half_btf(-cospi[40], bf0[21], cospi[24], bf0[26], cos_bit[stage]);
  bf1[22] = half_btf(-cospi[24], bf0[22], -cospi[40], bf0[25], cos_bit[stage]);
  bf1[23] = bf0[23];
  bf1[24] = bf0[24];
  bf1[25] = half_btf(-cospi[40], bf0[22], cospi[24], bf0[25], cos_bit[stage]);
  bf1[26] = half_btf(cospi[24], bf0[21], cospi[40], bf0[26], cos_bit[stage]);
  bf1[27] = bf0[27];
  bf1[28] = bf0[28];
  bf1[29] = half_btf(-cospi[8], bf0[18], cospi[56], bf0[29], cos_bit[stage]);
  bf1[30] = half_btf(cospi[56], bf0[17], cospi[8], bf0[30], cos_bit[stage]);
  bf1[31] = bf0[31];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 5
  stage++;
543
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581
  bf0 = step;
  bf1 = output;
  bf1[0] = half_btf(cospi[32], bf0[0], cospi[32], bf0[1], cos_bit[stage]);
  bf1[1] = half_btf(cospi[32], bf0[0], -cospi[32], bf0[1], cos_bit[stage]);
  bf1[2] = half_btf(cospi[48], bf0[2], -cospi[16], bf0[3], cos_bit[stage]);
  bf1[3] = half_btf(cospi[16], bf0[2], cospi[48], bf0[3], cos_bit[stage]);
  bf1[4] = bf0[4] + bf0[5];
  bf1[5] = bf0[4] - bf0[5];
  bf1[6] = -bf0[6] + bf0[7];
  bf1[7] = bf0[6] + bf0[7];
  bf1[8] = bf0[8];
  bf1[9] = half_btf(-cospi[16], bf0[9], cospi[48], bf0[14], cos_bit[stage]);
  bf1[10] = half_btf(-cospi[48], bf0[10], -cospi[16], bf0[13], cos_bit[stage]);
  bf1[11] = bf0[11];
  bf1[12] = bf0[12];
  bf1[13] = half_btf(-cospi[16], bf0[10], cospi[48], bf0[13], cos_bit[stage]);
  bf1[14] = half_btf(cospi[48], bf0[9], cospi[16], bf0[14], cos_bit[stage]);
  bf1[15] = bf0[15];
  bf1[16] = bf0[16] + bf0[19];
  bf1[17] = bf0[17] + bf0[18];
  bf1[18] = bf0[17] - bf0[18];
  bf1[19] = bf0[16] - bf0[19];
  bf1[20] = -bf0[20] + bf0[23];
  bf1[21] = -bf0[21] + bf0[22];
  bf1[22] = bf0[21] + bf0[22];
  bf1[23] = bf0[20] + bf0[23];
  bf1[24] = bf0[24] + bf0[27];
  bf1[25] = bf0[25] + bf0[26];
  bf1[26] = bf0[25] - bf0[26];
  bf1[27] = bf0[24] - bf0[27];
  bf1[28] = -bf0[28] + bf0[31];
  bf1[29] = -bf0[29] + bf0[30];
  bf1[30] = bf0[29] + bf0[30];
  bf1[31] = bf0[28] + bf0[31];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 6
  stage++;
582
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0] + bf0[3];
  bf1[1] = bf0[1] + bf0[2];
  bf1[2] = bf0[1] - bf0[2];
  bf1[3] = bf0[0] - bf0[3];
  bf1[4] = bf0[4];
  bf1[5] = half_btf(-cospi[32], bf0[5], cospi[32], bf0[6], cos_bit[stage]);
  bf1[6] = half_btf(cospi[32], bf0[5], cospi[32], bf0[6], cos_bit[stage]);
  bf1[7] = bf0[7];
  bf1[8] = bf0[8] + bf0[11];
  bf1[9] = bf0[9] + bf0[10];
  bf1[10] = bf0[9] - bf0[10];
  bf1[11] = bf0[8] - bf0[11];
  bf1[12] = -bf0[12] + bf0[15];
  bf1[13] = -bf0[13] + bf0[14];
  bf1[14] = bf0[13] + bf0[14];
  bf1[15] = bf0[12] + bf0[15];
  bf1[16] = bf0[16];
  bf1[17] = bf0[17];
  bf1[18] = half_btf(-cospi[16], bf0[18], cospi[48], bf0[29], cos_bit[stage]);
  bf1[19] = half_btf(-cospi[16], bf0[19], cospi[48], bf0[28], cos_bit[stage]);
  bf1[20] = half_btf(-cospi[48], bf0[20], -cospi[16], bf0[27], cos_bit[stage]);
  bf1[21] = half_btf(-cospi[48], bf0[21], -cospi[16], bf0[26], cos_bit[stage]);
  bf1[22] = bf0[22];
  bf1[23] = bf0[23];
  bf1[24] = bf0[24];
  bf1[25] = bf0[25];
  bf1[26] = half_btf(-cospi[16], bf0[21], cospi[48], bf0[26], cos_bit[stage]);
  bf1[27] = half_btf(-cospi[16], bf0[20], cospi[48], bf0[27], cos_bit[stage]);
  bf1[28] = half_btf(cospi[48], bf0[19], cospi[16], bf0[28], cos_bit[stage]);
  bf1[29] = half_btf(cospi[48], bf0[18], cospi[16], bf0[29], cos_bit[stage]);
  bf1[30] = bf0[30];
  bf1[31] = bf0[31];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 7
  stage++;
621
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659
  bf0 = step;
  bf1 = output;
  bf1[0] = bf0[0] + bf0[7];
  bf1[1] = bf0[1] + bf0[6];
  bf1[2] = bf0[2] + bf0[5];
  bf1[3] = bf0[3] + bf0[4];
  bf1[4] = bf0[3] - bf0[4];
  bf1[5] = bf0[2] - bf0[5];
  bf1[6] = bf0[1] - bf0[6];
  bf1[7] = bf0[0] - bf0[7];
  bf1[8] = bf0[8];
  bf1[9] = bf0[9];
  bf1[10] = half_btf(-cospi[32], bf0[10], cospi[32], bf0[13], cos_bit[stage]);
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[12], cos_bit[stage]);
  bf1[12] = half_btf(cospi[32], bf0[11], cospi[32], bf0[12], cos_bit[stage]);
  bf1[13] = half_btf(cospi[32], bf0[10], cospi[32], bf0[13], cos_bit[stage]);
  bf1[14] = bf0[14];
  bf1[15] = bf0[15];
  bf1[16] = bf0[16] + bf0[23];
  bf1[17] = bf0[17] + bf0[22];
  bf1[18] = bf0[18] + bf0[21];
  bf1[19] = bf0[19] + bf0[20];
  bf1[20] = bf0[19] - bf0[20];
  bf1[21] = bf0[18] - bf0[21];
  bf1[22] = bf0[17] - bf0[22];
  bf1[23] = bf0[16] - bf0[23];
  bf1[24] = -bf0[24] + bf0[31];
  bf1[25] = -bf0[25] + bf0[30];
  bf1[26] = -bf0[26] + bf0[29];
  bf1[27] = -bf0[27] + bf0[28];
  bf1[28] = bf0[27] + bf0[28];
  bf1[29] = bf0[26] + bf0[29];
  bf1[30] = bf0[25] + bf0[30];
  bf1[31] = bf0[24] + bf0[31];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 8
  stage++;
660
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0] + bf0[15];
  bf1[1] = bf0[1] + bf0[14];
  bf1[2] = bf0[2] + bf0[13];
  bf1[3] = bf0[3] + bf0[12];
  bf1[4] = bf0[4] + bf0[11];
  bf1[5] = bf0[5] + bf0[10];
  bf1[6] = bf0[6] + bf0[9];
  bf1[7] = bf0[7] + bf0[8];
  bf1[8] = bf0[7] - bf0[8];
  bf1[9] = bf0[6] - bf0[9];
  bf1[10] = bf0[5] - bf0[10];
  bf1[11] = bf0[4] - bf0[11];
  bf1[12] = bf0[3] - bf0[12];
  bf1[13] = bf0[2] - bf0[13];
  bf1[14] = bf0[1] - bf0[14];
  bf1[15] = bf0[0] - bf0[15];
  bf1[16] = bf0[16];
  bf1[17] = bf0[17];
  bf1[18] = bf0[18];
  bf1[19] = bf0[19];
  bf1[20] = half_btf(-cospi[32], bf0[20], cospi[32], bf0[27], cos_bit[stage]);
  bf1[21] = half_btf(-cospi[32], bf0[21], cospi[32], bf0[26], cos_bit[stage]);
  bf1[22] = half_btf(-cospi[32], bf0[22], cospi[32], bf0[25], cos_bit[stage]);
  bf1[23] = half_btf(-cospi[32], bf0[23], cospi[32], bf0[24], cos_bit[stage]);
  bf1[24] = half_btf(cospi[32], bf0[23], cospi[32], bf0[24], cos_bit[stage]);
  bf1[25] = half_btf(cospi[32], bf0[22], cospi[32], bf0[25], cos_bit[stage]);
  bf1[26] = half_btf(cospi[32], bf0[21], cospi[32], bf0[26], cos_bit[stage]);
  bf1[27] = half_btf(cospi[32], bf0[20], cospi[32], bf0[27], cos_bit[stage]);
  bf1[28] = bf0[28];
  bf1[29] = bf0[29];
  bf1[30] = bf0[30];
  bf1[31] = bf0[31];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 9
  stage++;
  bf0 = step;
  bf1 = output;
  bf1[0] = bf0[0] + bf0[31];
  bf1[1] = bf0[1] + bf0[30];
  bf1[2] = bf0[2] + bf0[29];
  bf1[3] = bf0[3] + bf0[28];
  bf1[4] = bf0[4] + bf0[27];
  bf1[5] = bf0[5] + bf0[26];
  bf1[6] = bf0[6] + bf0[25];
  bf1[7] = bf0[7] + bf0[24];
  bf1[8] = bf0[8] + bf0[23];
  bf1[9] = bf0[9] + bf0[22];
  bf1[10] = bf0[10] + bf0[21];
  bf1[11] = bf0[11] + bf0[20];
  bf1[12] = bf0[12] + bf0[19];
  bf1[13] = bf0[13] + bf0[18];
  bf1[14] = bf0[14] + bf0[17];
  bf1[15] = bf0[15] + bf0[16];
  bf1[16] = bf0[15] - bf0[16];
  bf1[17] = bf0[14] - bf0[17];
  bf1[18] = bf0[13] - bf0[18];
  bf1[19] = bf0[12] - bf0[19];
  bf1[20] = bf0[11] - bf0[20];
  bf1[21] = bf0[10] - bf0[21];
  bf1[22] = bf0[9] - bf0[22];
  bf1[23] = bf0[8] - bf0[23];
  bf1[24] = bf0[7] - bf0[24];
  bf1[25] = bf0[6] - bf0[25];
  bf1[26] = bf0[5] - bf0[26];
  bf1[27] = bf0[4] - bf0[27];
  bf1[28] = bf0[3] - bf0[28];
  bf1[29] = bf0[2] - bf0[29];
  bf1[30] = bf0[1] - bf0[30];
  bf1[31] = bf0[0] - bf0[31];
  range_check(stage, input, bf1, size, stage_range[stage]);
}
Angie Chiang's avatar
Angie Chiang committed
735

Yaowu Xu's avatar
Yaowu Xu committed
736 737
void av1_iadst4_new(const int32_t *input, int32_t *output,
                    const int8_t *cos_bit, const int8_t *stage_range) {
738 739 740 741 742 743 744 745 746 747 748 749 750
  (void)cos_bit;
  int bd = stage_range[0];
  int64_t s0, s1, s2, s3, s4, s5, s6, s7;

  int32_t x0 = input[0];
  int32_t x1 = input[1];
  int32_t x2 = input[2];
  int32_t x3 = input[3];

  if (!(x0 | x1 | x2 | x3)) {
    output[0] = output[1] = output[2] = output[3] = 0;
    return;
  }
Angie Chiang's avatar
Angie Chiang committed
751

752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773
  s0 = sinpi_1_9 * x0;
  s1 = sinpi_2_9 * x0;
  s2 = sinpi_3_9 * x1;
  s3 = sinpi_4_9 * x2;
  s4 = sinpi_1_9 * x2;
  s5 = sinpi_2_9 * x3;
  s6 = sinpi_4_9 * x3;
  s7 = HIGHBD_WRAPLOW(x0 - x2 + x3, bd);

  s0 = s0 + s3 + s5;
  s1 = s1 - s4 - s6;
  s3 = s2;
  s2 = sinpi_3_9 * s7;

  // 1-D transform scaling factor is sqrt(2).
  // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
  // + 1b (addition) = 29b.
  // Hence the output bit depth is 15b.
  output[0] = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s3), bd);
  output[1] = HIGHBD_WRAPLOW(dct_const_round_shift(s1 + s3), bd);
  output[2] = HIGHBD_WRAPLOW(dct_const_round_shift(s2), bd);
  output[3] = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s1 - s3), bd);
Angie Chiang's avatar
Angie Chiang committed
774
}
Angie Chiang's avatar
Angie Chiang committed
775

Yaowu Xu's avatar
Yaowu Xu committed
776 777
void av1_iadst8_new(const int32_t *input, int32_t *output,
                    const int8_t *cos_bit, const int8_t *stage_range) {
Angie Chiang's avatar
Angie Chiang committed
778 779 780 781 782 783 784 785 786 787 788 789 790
  const int32_t size = 8;
  const int32_t *cospi;

  int32_t stage = 0;
  int32_t *bf0, *bf1;
  int32_t step[8];

  // stage 0;
  range_check(stage, input, input, size, stage_range[stage]);

  // stage 1;
  stage++;
  bf1 = output;
791 792 793 794 795 796 797 798
  bf1[0] = input[7];
  bf1[1] = input[0];
  bf1[2] = input[5];
  bf1[3] = input[2];
  bf1[4] = input[3];
  bf1[5] = input[4];
  bf1[6] = input[1];
  bf1[7] = input[6];
Angie Chiang's avatar
Angie Chiang committed
799 800 801 802
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 2
  stage++;
803
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
804 805
  bf0 = output;
  bf1 = step;
806 807 808 809 810 811 812 813
  bf1[0] = half_btf(cospi[4], bf0[0], cospi[60], bf0[1], cos_bit[stage]);
  bf1[1] = half_btf(-cospi[4], bf0[1], cospi[60], bf0[0], cos_bit[stage]);
  bf1[2] = half_btf(cospi[20], bf0[2], cospi[44], bf0[3], cos_bit[stage]);
  bf1[3] = half_btf(-cospi[20], bf0[3], cospi[44], bf0[2], cos_bit[stage]);
  bf1[4] = half_btf(cospi[36], bf0[4], cospi[28], bf0[5], cos_bit[stage]);
  bf1[5] = half_btf(-cospi[36], bf0[5], cospi[28], bf0[4], cos_bit[stage]);
  bf1[6] = half_btf(cospi[52], bf0[6], cospi[12], bf0[7], cos_bit[stage]);
  bf1[7] = half_btf(-cospi[52], bf0[7], cospi[12], bf0[6], cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
814 815 816 817 818 819
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 3
  stage++;
  bf0 = step;
  bf1 = output;
820 821 822 823 824 825 826 827
  bf1[0] = bf0[0] + bf0[4];
  bf1[1] = bf0[1] + bf0[5];
  bf1[2] = bf0[2] + bf0[6];
  bf1[3] = bf0[3] + bf0[7];
  bf1[4] = -bf0[4] + bf0[0];
  bf1[5] = -bf0[5] + bf0[1];
  bf1[6] = -bf0[6] + bf0[2];
  bf1[7] = -bf0[7] + bf0[3];
Angie Chiang's avatar
Angie Chiang committed
828 829 830 831
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 4
  stage++;
832
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
833 834 835 836 837 838 839
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = bf0[2];
  bf1[3] = bf0[3];
  bf1[4] = half_btf(cospi[16], bf0[4], cospi[48], bf0[5], cos_bit[stage]);
840
  bf1[5] = half_btf(-cospi[16], bf0[5], cospi[48], bf0[4], cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
841
  bf1[6] = half_btf(-cospi[48], bf0[6], cospi[16], bf0[7], cos_bit[stage]);
842
  bf1[7] = half_btf(cospi[48], bf0[7], cospi[16], bf0[6], cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
843 844 845 846 847 848
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 5
  stage++;
  bf0 = step;
  bf1 = output;
849 850 851 852 853 854 855 856
  bf1[0] = bf0[0] + bf0[2];
  bf1[1] = bf0[1] + bf0[3];
  bf1[2] = -bf0[2] + bf0[0];
  bf1[3] = -bf0[3] + bf0[1];
  bf1[4] = bf0[4] + bf0[6];
  bf1[5] = bf0[5] + bf0[7];
  bf1[6] = -bf0[6] + bf0[4];
  bf1[7] = -bf0[7] + bf0[5];
Angie Chiang's avatar
Angie Chiang committed
857 858 859 860
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 6
  stage++;
861
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
862 863
  bf0 = output;
  bf1 = step;
864 865 866 867 868 869 870 871
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = half_btf(cospi[32], bf0[2], cospi[32], bf0[3], cos_bit[stage]);
  bf1[3] = half_btf(-cospi[32], bf0[3], cospi[32], bf0[2], cos_bit[stage]);
  bf1[4] = bf0[4];
  bf1[5] = bf0[5];
  bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[7], cos_bit[stage]);
  bf1[7] = half_btf(-cospi[32], bf0[7], cospi[32], bf0[6], cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
872 873 874 875 876 877
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 7
  stage++;
  bf0 = step;
  bf1 = output;
878 879 880 881 882 883 884 885
  bf1[0] = bf0[0];
  bf1[1] = -bf0[4];
  bf1[2] = bf0[6];
  bf1[3] = -bf0[2];
  bf1[4] = bf0[3];
  bf1[5] = -bf0[7];
  bf1[6] = bf0[5];
  bf1[7] = -bf0[1];
Angie Chiang's avatar
Angie Chiang committed
886 887
  range_check(stage, input, bf1, size, stage_range[stage]);
}
Angie Chiang's avatar
Angie Chiang committed
888

Yaowu Xu's avatar
Yaowu Xu committed
889 890
void av1_iadst16_new(const int32_t *input, int32_t *output,
                     const int8_t *cos_bit, const int8_t *stage_range) {
Angie Chiang's avatar
Angie Chiang committed
891 892 893 894 895 896 897 898 899 900 901 902 903
  const int32_t size = 16;
  const int32_t *cospi;

  int32_t stage = 0;
  int32_t *bf0, *bf1;
  int32_t step[16];

  // stage 0;
  range_check(stage, input, input, size, stage_range[stage]);

  // stage 1;
  stage++;
  bf1 = output;
904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919
  bf1[0] = input[15];
  bf1[1] = input[0];
  bf1[2] = input[13];
  bf1[3] = input[2];
  bf1[4] = input[11];
  bf1[5] = input[4];
  bf1[6] = input[9];
  bf1[7] = input[6];
  bf1[8] = input[7];
  bf1[9] = input[8];
  bf1[10] = input[5];
  bf1[11] = input[10];
  bf1[12] = input[3];
  bf1[13] = input[12];
  bf1[14] = input[1];
  bf1[15] = input[14];
Angie Chiang's avatar
Angie Chiang committed
920 921 922 923
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 2
  stage++;
924
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
925 926
  bf0 = output;
  bf1 = step;
927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942
  bf1[0] = half_btf(cospi[2], bf0[0], cospi[62], bf0[1], cos_bit[stage]);
  bf1[1] = half_btf(-cospi[2], bf0[1], cospi[62], bf0[0], cos_bit[stage]);
  bf1[2] = half_btf(cospi[10], bf0[2], cospi[54], bf0[3], cos_bit[stage]);
  bf1[3] = half_btf(-cospi[10], bf0[3], cospi[54], bf0[2], cos_bit[stage]);
  bf1[4] = half_btf(cospi[18], bf0[4], cospi[46], bf0[5], cos_bit[stage]);
  bf1[5] = half_btf(-cospi[18], bf0[5], cospi[46], bf0[4], cos_bit[stage]);
  bf1[6] = half_btf(cospi[26], bf0[6], cospi[38], bf0[7], cos_bit[stage]);
  bf1[7] = half_btf(-cospi[26], bf0[7], cospi[38], bf0[6], cos_bit[stage]);
  bf1[8] = half_btf(cospi[34], bf0[8], cospi[30], bf0[9], cos_bit[stage]);
  bf1[9] = half_btf(-cospi[34], bf0[9], cospi[30], bf0[8], cos_bit[stage]);
  bf1[10] = half_btf(cospi[42], bf0[10], cospi[22], bf0[11], cos_bit[stage]);
  bf1[11] = half_btf(-cospi[42], bf0[11], cospi[22], bf0[10], cos_bit[stage]);
  bf1[12] = half_btf(cospi[50], bf0[12], cospi[14], bf0[13], cos_bit[stage]);
  bf1[13] = half_btf(-cospi[50], bf0[13], cospi[14], bf0[12], cos_bit[stage]);
  bf1[14] = half_btf(cospi[58], bf0[14], cospi[6], bf0[15], cos_bit[stage]);
  bf1[15] = half_btf(-cospi[58], bf0[15], cospi[6], bf0[14], cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
943 944 945 946 947 948
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 3
  stage++;
  bf0 = step;
  bf1 = output;
949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964
  bf1[0] = bf0[0] + bf0[8];
  bf1[1] = bf0[1] + bf0[9];
  bf1[2] = bf0[2] + bf0[10];
  bf1[3] = bf0[3] + bf0[11];
  bf1[4] = bf0[4] + bf0[12];
  bf1[5] = bf0[5] + bf0[13];
  bf1[6] = bf0[6] + bf0[14];
  bf1[7] = bf0[7] + bf0[15];
  bf1[8] = -bf0[8] + bf0[0];
  bf1[9] = -bf0[9] + bf0[1];
  bf1[10] = -bf0[10] + bf0[2];
  bf1[11] = -bf0[11] + bf0[3];
  bf1[12] = -bf0[12] + bf0[4];
  bf1[13] = -bf0[13] + bf0[5];
  bf1[14] = -bf0[14] + bf0[6];
  bf1[15] = -bf0[15] + bf0[7];
Angie Chiang's avatar
Angie Chiang committed
965 966 967 968
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 4
  stage++;
969
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
970 971 972 973 974 975
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = bf0[2];
  bf1[3] = bf0[3];
976 977 978 979 980 981 982 983 984 985 986 987
  bf1[4] = bf0[4];
  bf1[5] = bf0[5];
  bf1[6] = bf0[6];
  bf1[7] = bf0[7];
  bf1[8] = half_btf(cospi[8], bf0[8], cospi[56], bf0[9], cos_bit[stage]);
  bf1[9] = half_btf(-cospi[8], bf0[9], cospi[56], bf0[8], cos_bit[stage]);
  bf1[10] = half_btf(cospi[40], bf0[10], cospi[24], bf0[11], cos_bit[stage]);
  bf1[11] = half_btf(-cospi[40], bf0[11], cospi[24], bf0[10], cos_bit[stage]);
  bf1[12] = half_btf(-cospi[56], bf0[12], cospi[8], bf0[13], cos_bit[stage]);
  bf1[13] = half_btf(cospi[56], bf0[13], cospi[8], bf0[12], cos_bit[stage]);
  bf1[14] = half_btf(-cospi[24], bf0[14], cospi[40], bf0[15], cos_bit[stage]);
  bf1[15] = half_btf(cospi[24], bf0[15], cospi[40], bf0[14], cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
988 989 990 991 992 993 994 995 996 997
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 5
  stage++;
  bf0 = step;
  bf1 = output;
  bf1[0] = bf0[0] + bf0[4];
  bf1[1] = bf0[1] + bf0[5];
  bf1[2] = bf0[2] + bf0[6];
  bf1[3] = bf0[3] + bf0[7];
998 999 1000 1001
  bf1[4] = -bf0[4] + bf0[0];
  bf1[5] = -bf0[5] + bf0[1];
  bf1[6] = -bf0[6] + bf0[2];
  bf1[7] = -bf0[7] + bf0[3];
Angie Chiang's avatar
Angie Chiang committed
1002 1003 1004 1005
  bf1[8] = bf0[8] + bf0[12];
  bf1[9] = bf0[9] + bf0[13];
  bf1[10] = bf0[10] + bf0[14];
  bf1[11] = bf0[11] + bf0[15];
1006 1007 1008 1009
  bf1[12] = -bf0[12] + bf0[8];
  bf1[13] = -bf0[13] + bf0[9];
  bf1[14] = -bf0[14] + bf0[10];
  bf1[15] = -bf0[15] + bf0[11];
Angie Chiang's avatar
Angie Chiang committed
1010 1011 1012 1013
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 6
  stage++;
1014
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
1015 1016 1017 1018 1019 1020
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = bf0[2];
  bf1[3] = bf0[3];
1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032
  bf1[4] = half_btf(cospi[16], bf0[4], cospi[48], bf0[5], cos_bit[stage]);
  bf1[5] = half_btf(-cospi[16], bf0[5], cospi[48], bf0[4], cos_bit[stage]);
  bf1[6] = half_btf(-cospi[48], bf0[6], cospi[16], bf0[7], cos_bit[stage]);
  bf1[7] = half_btf(cospi[48], bf0[7], cospi[16], bf0[6], cos_bit[stage]);
  bf1[8] = bf0[8];
  bf1[9] = bf0[9];
  bf1[10] = bf0[10];
  bf1[11] = bf0[11];
  bf1[12] = half_btf(cospi[16], bf0[12], cospi[48], bf0[13], cos_bit[stage]);
  bf1[13] = half_btf(-cospi[16], bf0[13], cospi[48], bf0[12], cos_bit[stage]);
  bf1[14] = half_btf(-cospi[48], bf0[14], cospi[16], bf0[15], cos_bit[stage]);
  bf1[15] = half_btf(cospi[48], bf0[15], cospi[16], bf0[14], cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
1033 1034 1035 1036 1037 1038
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 7
  stage++;
  bf0 = step;
  bf1 = output;
1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054
  bf1[0] = bf0[0] + bf0[2];
  bf1[1] = bf0[1] + bf0[3];
  bf1[2] = -bf0[2] + bf0[0];
  bf1[3] = -bf0[3] + bf0[1];
  bf1[4] = bf0[4] + bf0[6];
  bf1[5] = bf0[5] + bf0[7];
  bf1[6] = -bf0[6] + bf0[4];
  bf1[7] = -bf0[7] + bf0[5];
  bf1[8] = bf0[8] + bf0[10];
  bf1[9] = bf0[9] + bf0[11];
  bf1[10] = -bf0[10] + bf0[8];
  bf1[11] = -bf0[11] + bf0[9];
  bf1[12] = bf0[12] + bf0[14];
  bf1[13] = bf0[13] + bf0[15];
  bf1[14] = -bf0[14] + bf0[12];
  bf1[15] = -bf0[15] + bf0[13];
Angie Chiang's avatar
Angie Chiang committed
1055 1056 1057 1058
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 8
  stage++;
1059
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
1060 1061
  bf0 = output;
  bf1 = step;
1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = half_btf(cospi[32], bf0[2], cospi[32], bf0[3], cos_bit[stage]);
  bf1[3] = half_btf(-cospi[32], bf0[3], cospi[32], bf0[2], cos_bit[stage]);
  bf1[4] = bf0[4];
  bf1[5] = bf0[5];
  bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[7], cos_bit[stage]);
  bf1[7] = half_btf(-cospi[32], bf0[7], cospi[32], bf0[6], cos_bit[stage]);
  bf1[8] = bf0[8];
  bf1[9] = bf0[9];
  bf1[10] = half_btf(cospi[32], bf0[10], cospi[32], bf0[11], cos_bit[stage]);
  bf1[11] = half_btf(-cospi[32], bf0[11], cospi[32], bf0[10], cos_bit[stage]);
  bf1[12] = bf0[12];
  bf1[13] = bf0[13];
  bf1[14] = half_btf(cospi[32], bf0[14], cospi[32], bf0[15], cos_bit[stage]);
  bf1[15] = half_btf(-cospi[32], bf0[15], cospi[32], bf0[14], cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
1078 1079 1080 1081 1082 1083
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 9
  stage++;
  bf0 = step;
  bf1 = output;
1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099
  bf1[0] = bf0[0];
  bf1[1] = -bf0[8];
  bf1[2] = bf0[12];
  bf1[3] = -bf0[4];
  bf1[4] = bf0[6];
  bf1[5] = -bf0[14];
  bf1[6] = bf0[10];
  bf1[7] = -bf0[2];
  bf1[8] = bf0[3];
  bf1[9] = -bf0[11];
  bf1[10] = bf0[15];
  bf1[11] = -bf0[7];
  bf1[12] = bf0[5];
  bf1[13] = -bf0[13];
  bf1[14] = bf0[9];
  bf1[15] = -bf0[1];
Angie Chiang's avatar
Angie Chiang committed
1100 1101
  range_check(stage, input, bf1, size, stage_range[stage]);
}
Angie Chiang's avatar
Angie Chiang committed
1102

Yaowu Xu's avatar
Yaowu Xu committed
1103 1104
void av1_iadst32_new(const int32_t *input, int32_t *output,
                     const int8_t *cos_bit, const int8_t *stage_range) {
Angie Chiang's avatar
Angie Chiang committed
1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116
  const int32_t size = 32;
  const int32_t *cospi;

  int32_t stage = 0;
  int32_t *bf0, *bf1;
  int32_t step[32];

  // stage 0;
  range_check(stage, input, input, size, stage_range[stage]);

  // stage 1;
  stage++;
1117
  assert(output != input);
Angie Chiang's avatar
Angie Chiang committed
1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154
  bf1 = output;
  bf1[0] = input[0];
  bf1[1] = -input[31];
  bf1[2] = -input[15];
  bf1[3] = input[16];
  bf1[4] = -input[7];
  bf1[5] = input[24];
  bf1[6] = input[8];
  bf1[7] = -input[23];
  bf1[8] = -input[3];
  bf1[9] = input[28];
  bf1[10] = input[12];
  bf1[11] = -input[19];
  bf1[12] = input[4];
  bf1[13] = -input[27];
  bf1[14] = -input[11];
  bf1[15] = input[20];
  bf1[16] = -input[1];
  bf1[17] = input[30];
  bf1[18] = input[14];
  bf1[19] = -input[17];
  bf1[20] = input[6];
  bf1[21] = -input[25];
  bf1[22] = -input[9];
  bf1[23] = input[22];
  bf1[24] = input[2];
  bf1[25] = -input[29];
  bf1[26] = -input[13];
  bf1[27] = input[18];
  bf1[28] = -input[5];
  bf1[29] = input[26];
  bf1[30] = input[10];
  bf1[31] = -input[21];
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 2
  stage++;
1155
  cospi = cospi_arr(cos_bit[stage]);
Angie Chiang's avatar
Angie Chiang committed
1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231
  bf0 = output;
  bf1 = step;
  bf1[0] = bf0[0];
  bf1[1] = bf0[1];
  bf1[2] = half_btf(cospi[32], bf0[2], cospi[32], bf0[3], cos_bit[stage]);
  bf1[3] = half_btf(cospi[32], bf0[2], -cospi[32], bf0[3], cos_bit[stage]);
  bf1[4] = bf0[4];
  bf1[5] = bf0[5];
  bf1[6] = half_btf(cospi[32], bf0[6], cospi[32], bf0[7], cos_bit[stage]);
  bf1[7] = half_btf(cospi[32], bf0[6], -cospi[32], bf0[7], cos_bit[stage]);
  bf1[8] = bf0[8];
  bf1[9] = bf0[9];
  bf1[10] = half_btf(cospi[32], bf0[10], cospi[32], bf0[11], cos_bit[stage]);
  bf1[11] = half_btf(cospi[32], bf0[10], -cospi[32], bf0[11], cos_bit[stage]);
  bf1[12] = bf0[12];
  bf1[13] = bf0[13];
  bf1[14] = half_btf(cospi[32], bf0[14], cospi[32], bf0[15], cos_bit[stage]);
  bf1[15] = half_btf(cospi[32], bf0[14], -cospi[32], bf0[15], cos_bit[stage]);
  bf1[16] = bf0[16];
  bf1[17] = bf0[17];
  bf1[18] = half_btf(cospi[32], bf0[18], cospi[32], bf0[19], cos_bit[stage]);
  bf1[19] = half_btf(cospi[32], bf0[18], -cospi[32], bf0[19], cos_bit[stage]);
  bf1[20] = bf0[20];
  bf1[21] = bf0[21];
  bf1[22] = half_btf(cospi[32], bf0[22], cospi[32], bf0[23], cos_bit[stage]);
  bf1[23] = half_btf(cospi[32], bf0[22], -cospi[32], bf0[23], cos_bit[stage]);
  bf1[24] = bf0[24];
  bf1[25] = bf0[25];
  bf1[26] = half_btf(cospi[32], bf0[26], cospi[32], bf0[27], cos_bit[stage]);
  bf1[27] = half_btf(cospi[32], bf0[26], -cospi[32], bf0[27], cos_bit[stage]);
  bf1[28] = bf0[28];
  bf1[29] = bf0[29];
  bf1[30] = half_btf(cospi[32], bf0[30], cospi[32], bf0[31], cos_bit[stage]);
  bf1[31] = half_btf(cospi[32], bf0[30], -cospi[32], bf0[31], cos_bit[stage]);
  range_check(stage, input, bf1, size, stage_range[stage]);

  // stage 3
  stage++;
  bf0 = step;
  bf1 = output;
  bf1[0] = bf0[0] + bf0[2];
  bf1[1] = bf0[1] + bf0[3];
  bf1[2] = bf0[0] - bf0[2];
  bf1[3] = bf0[1] - bf0[3];
  bf1[4] = bf0[4] + bf0[6];
  bf1[5] = bf0[5] + bf0[7];
  bf1[6] = bf0[4] - bf0[6];
  bf1[7] = bf0[5] - bf0[7];
  bf1[8] = bf0[8] + bf0[10];
  bf1[9] = bf0[9] + bf0[11];
  bf1[10] = bf0[8] - bf0[10];
  bf1[11] = bf0[9] - bf0[11];
  bf1[12] = bf0[12] + bf0[14];
  bf1[13] = bf0[13] + bf0[15];
  bf1[14] = bf0[12] - bf0[14];
  bf1[15] = bf0[13] - bf0[15];
  bf1[16] = bf0[16] + bf0[18];
  bf1[17] = bf0[17] + bf0[19];
  bf1[18] = bf0[16] - bf0[18];
  bf1[19] = bf0[17] - bf0[19];
  bf1[20] = bf0[20] + bf0[22];
  bf1[21