1 /* 2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include <arm_neon.h> 12 #include <assert.h> 13 14 #include "./vp9_rtcd.h" 15 #include "./vpx_config.h" 16 #include "vp9/common/vp9_common.h" 17 18 static int16_t cospi_2_64 = 16305; 19 static int16_t cospi_4_64 = 16069; 20 static int16_t cospi_6_64 = 15679; 21 static int16_t cospi_8_64 = 15137; 22 static int16_t cospi_10_64 = 14449; 23 static int16_t cospi_12_64 = 13623; 24 static int16_t cospi_14_64 = 12665; 25 static int16_t cospi_16_64 = 11585; 26 static int16_t cospi_18_64 = 10394; 27 static int16_t cospi_20_64 = 9102; 28 static int16_t cospi_22_64 = 7723; 29 static int16_t cospi_24_64 = 6270; 30 static int16_t cospi_26_64 = 4756; 31 static int16_t cospi_28_64 = 3196; 32 static int16_t cospi_30_64 = 1606; 33 34 static INLINE void TRANSPOSE8X8( 35 int16x8_t *q8s16, 36 int16x8_t *q9s16, 37 int16x8_t *q10s16, 38 int16x8_t *q11s16, 39 int16x8_t *q12s16, 40 int16x8_t *q13s16, 41 int16x8_t *q14s16, 42 int16x8_t *q15s16) { 43 int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; 44 int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; 45 int32x4x2_t q0x2s32, q1x2s32, q2x2s32, q3x2s32; 46 int16x8x2_t q0x2s16, q1x2s16, q2x2s16, q3x2s16; 47 48 d16s16 = vget_low_s16(*q8s16); 49 d17s16 = vget_high_s16(*q8s16); 50 d18s16 = vget_low_s16(*q9s16); 51 d19s16 = vget_high_s16(*q9s16); 52 d20s16 = vget_low_s16(*q10s16); 53 d21s16 = vget_high_s16(*q10s16); 54 d22s16 = vget_low_s16(*q11s16); 55 d23s16 = vget_high_s16(*q11s16); 56 d24s16 = vget_low_s16(*q12s16); 57 d25s16 = vget_high_s16(*q12s16); 58 d26s16 = vget_low_s16(*q13s16); 59 d27s16 = vget_high_s16(*q13s16); 60 d28s16 = vget_low_s16(*q14s16); 61 d29s16 = vget_high_s16(*q14s16); 62 d30s16 = vget_low_s16(*q15s16); 63 d31s16 = vget_high_s16(*q15s16); 64 65 *q8s16 = vcombine_s16(d16s16, d24s16); // vswp d17, d24 66 *q9s16 = vcombine_s16(d18s16, d26s16); // vswp d19, d26 67 *q10s16 = vcombine_s16(d20s16, d28s16); // vswp d21, d28 68 *q11s16 = vcombine_s16(d22s16, d30s16); // vswp d23, d30 69 *q12s16 = vcombine_s16(d17s16, d25s16); 70 *q13s16 = vcombine_s16(d19s16, d27s16); 71 *q14s16 = vcombine_s16(d21s16, d29s16); 72 *q15s16 = vcombine_s16(d23s16, d31s16); 73 74 q0x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q8s16), 75 vreinterpretq_s32_s16(*q10s16)); 76 q1x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q9s16), 77 vreinterpretq_s32_s16(*q11s16)); 78 q2x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q12s16), 79 vreinterpretq_s32_s16(*q14s16)); 80 q3x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q13s16), 81 vreinterpretq_s32_s16(*q15s16)); 82 83 q0x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[0]), // q8 84 vreinterpretq_s16_s32(q1x2s32.val[0])); // q9 85 q1x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[1]), // q10 86 vreinterpretq_s16_s32(q1x2s32.val[1])); // q11 87 q2x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[0]), // q12 88 vreinterpretq_s16_s32(q3x2s32.val[0])); // q13 89 q3x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[1]), // q14 90 vreinterpretq_s16_s32(q3x2s32.val[1])); // q15 91 92 *q8s16 = q0x2s16.val[0]; 93 *q9s16 = q0x2s16.val[1]; 94 *q10s16 = q1x2s16.val[0]; 95 *q11s16 = q1x2s16.val[1]; 96 *q12s16 = q2x2s16.val[0]; 97 *q13s16 = q2x2s16.val[1]; 98 *q14s16 = q3x2s16.val[0]; 99 *q15s16 = q3x2s16.val[1]; 100 return; 101 } 102 103 static INLINE void IDCT8x8_1D( 104 int16x8_t *q8s16, 105 int16x8_t *q9s16, 106 int16x8_t *q10s16, 107 int16x8_t *q11s16, 108 int16x8_t *q12s16, 109 int16x8_t *q13s16, 110 int16x8_t *q14s16, 111 int16x8_t *q15s16) { 112 int16x4_t d0s16, d1s16, d2s16, d3s16; 113 int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; 114 int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; 115 int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; 116 int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16; 117 int32x4_t q2s32, q3s32, q5s32, q6s32, q8s32, q9s32; 118 int32x4_t q10s32, q11s32, q12s32, q13s32, q15s32; 119 120 d0s16 = vdup_n_s16(cospi_28_64); 121 d1s16 = vdup_n_s16(cospi_4_64); 122 d2s16 = vdup_n_s16(cospi_12_64); 123 d3s16 = vdup_n_s16(cospi_20_64); 124 125 d16s16 = vget_low_s16(*q8s16); 126 d17s16 = vget_high_s16(*q8s16); 127 d18s16 = vget_low_s16(*q9s16); 128 d19s16 = vget_high_s16(*q9s16); 129 d20s16 = vget_low_s16(*q10s16); 130 d21s16 = vget_high_s16(*q10s16); 131 d22s16 = vget_low_s16(*q11s16); 132 d23s16 = vget_high_s16(*q11s16); 133 d24s16 = vget_low_s16(*q12s16); 134 d25s16 = vget_high_s16(*q12s16); 135 d26s16 = vget_low_s16(*q13s16); 136 d27s16 = vget_high_s16(*q13s16); 137 d28s16 = vget_low_s16(*q14s16); 138 d29s16 = vget_high_s16(*q14s16); 139 d30s16 = vget_low_s16(*q15s16); 140 d31s16 = vget_high_s16(*q15s16); 141 142 q2s32 = vmull_s16(d18s16, d0s16); 143 q3s32 = vmull_s16(d19s16, d0s16); 144 q5s32 = vmull_s16(d26s16, d2s16); 145 q6s32 = vmull_s16(d27s16, d2s16); 146 147 q2s32 = vmlsl_s16(q2s32, d30s16, d1s16); 148 q3s32 = vmlsl_s16(q3s32, d31s16, d1s16); 149 q5s32 = vmlsl_s16(q5s32, d22s16, d3s16); 150 q6s32 = vmlsl_s16(q6s32, d23s16, d3s16); 151 152 d8s16 = vqrshrn_n_s32(q2s32, 14); 153 d9s16 = vqrshrn_n_s32(q3s32, 14); 154 d10s16 = vqrshrn_n_s32(q5s32, 14); 155 d11s16 = vqrshrn_n_s32(q6s32, 14); 156 q4s16 = vcombine_s16(d8s16, d9s16); 157 q5s16 = vcombine_s16(d10s16, d11s16); 158 159 q2s32 = vmull_s16(d18s16, d1s16); 160 q3s32 = vmull_s16(d19s16, d1s16); 161 q9s32 = vmull_s16(d26s16, d3s16); 162 q13s32 = vmull_s16(d27s16, d3s16); 163 164 q2s32 = vmlal_s16(q2s32, d30s16, d0s16); 165 q3s32 = vmlal_s16(q3s32, d31s16, d0s16); 166 q9s32 = vmlal_s16(q9s32, d22s16, d2s16); 167 q13s32 = vmlal_s16(q13s32, d23s16, d2s16); 168 169 d14s16 = vqrshrn_n_s32(q2s32, 14); 170 d15s16 = vqrshrn_n_s32(q3s32, 14); 171 d12s16 = vqrshrn_n_s32(q9s32, 14); 172 d13s16 = vqrshrn_n_s32(q13s32, 14); 173 q6s16 = vcombine_s16(d12s16, d13s16); 174 q7s16 = vcombine_s16(d14s16, d15s16); 175 176 d0s16 = vdup_n_s16(cospi_16_64); 177 178 q2s32 = vmull_s16(d16s16, d0s16); 179 q3s32 = vmull_s16(d17s16, d0s16); 180 q13s32 = vmull_s16(d16s16, d0s16); 181 q15s32 = vmull_s16(d17s16, d0s16); 182 183 q2s32 = vmlal_s16(q2s32, d24s16, d0s16); 184 q3s32 = vmlal_s16(q3s32, d25s16, d0s16); 185 q13s32 = vmlsl_s16(q13s32, d24s16, d0s16); 186 q15s32 = vmlsl_s16(q15s32, d25s16, d0s16); 187 188 d0s16 = vdup_n_s16(cospi_24_64); 189 d1s16 = vdup_n_s16(cospi_8_64); 190 191 d18s16 = vqrshrn_n_s32(q2s32, 14); 192 d19s16 = vqrshrn_n_s32(q3s32, 14); 193 d22s16 = vqrshrn_n_s32(q13s32, 14); 194 d23s16 = vqrshrn_n_s32(q15s32, 14); 195 *q9s16 = vcombine_s16(d18s16, d19s16); 196 *q11s16 = vcombine_s16(d22s16, d23s16); 197 198 q2s32 = vmull_s16(d20s16, d0s16); 199 q3s32 = vmull_s16(d21s16, d0s16); 200 q8s32 = vmull_s16(d20s16, d1s16); 201 q12s32 = vmull_s16(d21s16, d1s16); 202 203 q2s32 = vmlsl_s16(q2s32, d28s16, d1s16); 204 q3s32 = vmlsl_s16(q3s32, d29s16, d1s16); 205 q8s32 = vmlal_s16(q8s32, d28s16, d0s16); 206 q12s32 = vmlal_s16(q12s32, d29s16, d0s16); 207 208 d26s16 = vqrshrn_n_s32(q2s32, 14); 209 d27s16 = vqrshrn_n_s32(q3s32, 14); 210 d30s16 = vqrshrn_n_s32(q8s32, 14); 211 d31s16 = vqrshrn_n_s32(q12s32, 14); 212 *q13s16 = vcombine_s16(d26s16, d27s16); 213 *q15s16 = vcombine_s16(d30s16, d31s16); 214 215 q0s16 = vaddq_s16(*q9s16, *q15s16); 216 q1s16 = vaddq_s16(*q11s16, *q13s16); 217 q2s16 = vsubq_s16(*q11s16, *q13s16); 218 q3s16 = vsubq_s16(*q9s16, *q15s16); 219 220 *q13s16 = vsubq_s16(q4s16, q5s16); 221 q4s16 = vaddq_s16(q4s16, q5s16); 222 *q14s16 = vsubq_s16(q7s16, q6s16); 223 q7s16 = vaddq_s16(q7s16, q6s16); 224 d26s16 = vget_low_s16(*q13s16); 225 d27s16 = vget_high_s16(*q13s16); 226 d28s16 = vget_low_s16(*q14s16); 227 d29s16 = vget_high_s16(*q14s16); 228 229 d16s16 = vdup_n_s16(cospi_16_64); 230 231 q9s32 = vmull_s16(d28s16, d16s16); 232 q10s32 = vmull_s16(d29s16, d16s16); 233 q11s32 = vmull_s16(d28s16, d16s16); 234 q12s32 = vmull_s16(d29s16, d16s16); 235 236 q9s32 = vmlsl_s16(q9s32, d26s16, d16s16); 237 q10s32 = vmlsl_s16(q10s32, d27s16, d16s16); 238 q11s32 = vmlal_s16(q11s32, d26s16, d16s16); 239 q12s32 = vmlal_s16(q12s32, d27s16, d16s16); 240 241 d10s16 = vqrshrn_n_s32(q9s32, 14); 242 d11s16 = vqrshrn_n_s32(q10s32, 14); 243 d12s16 = vqrshrn_n_s32(q11s32, 14); 244 d13s16 = vqrshrn_n_s32(q12s32, 14); 245 q5s16 = vcombine_s16(d10s16, d11s16); 246 q6s16 = vcombine_s16(d12s16, d13s16); 247 248 *q8s16 = vaddq_s16(q0s16, q7s16); 249 *q9s16 = vaddq_s16(q1s16, q6s16); 250 *q10s16 = vaddq_s16(q2s16, q5s16); 251 *q11s16 = vaddq_s16(q3s16, q4s16); 252 *q12s16 = vsubq_s16(q3s16, q4s16); 253 *q13s16 = vsubq_s16(q2s16, q5s16); 254 *q14s16 = vsubq_s16(q1s16, q6s16); 255 *q15s16 = vsubq_s16(q0s16, q7s16); 256 return; 257 } 258 259 static INLINE void IADST8X8_1D( 260 int16x8_t *q8s16, 261 int16x8_t *q9s16, 262 int16x8_t *q10s16, 263 int16x8_t *q11s16, 264 int16x8_t *q12s16, 265 int16x8_t *q13s16, 266 int16x8_t *q14s16, 267 int16x8_t *q15s16) { 268 int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16; 269 int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; 270 int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; 271 int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; 272 int16x8_t q2s16, q4s16, q5s16, q6s16; 273 int32x4_t q0s32, q1s32, q2s32, q3s32, q4s32, q5s32, q6s32, q7s32, q8s32; 274 int32x4_t q9s32, q10s32, q11s32, q12s32, q13s32, q14s32, q15s32; 275 276 d16s16 = vget_low_s16(*q8s16); 277 d17s16 = vget_high_s16(*q8s16); 278 d18s16 = vget_low_s16(*q9s16); 279 d19s16 = vget_high_s16(*q9s16); 280 d20s16 = vget_low_s16(*q10s16); 281 d21s16 = vget_high_s16(*q10s16); 282 d22s16 = vget_low_s16(*q11s16); 283 d23s16 = vget_high_s16(*q11s16); 284 d24s16 = vget_low_s16(*q12s16); 285 d25s16 = vget_high_s16(*q12s16); 286 d26s16 = vget_low_s16(*q13s16); 287 d27s16 = vget_high_s16(*q13s16); 288 d28s16 = vget_low_s16(*q14s16); 289 d29s16 = vget_high_s16(*q14s16); 290 d30s16 = vget_low_s16(*q15s16); 291 d31s16 = vget_high_s16(*q15s16); 292 293 d14s16 = vdup_n_s16(cospi_2_64); 294 d15s16 = vdup_n_s16(cospi_30_64); 295 296 q1s32 = vmull_s16(d30s16, d14s16); 297 q2s32 = vmull_s16(d31s16, d14s16); 298 q3s32 = vmull_s16(d30s16, d15s16); 299 q4s32 = vmull_s16(d31s16, d15s16); 300 301 d30s16 = vdup_n_s16(cospi_18_64); 302 d31s16 = vdup_n_s16(cospi_14_64); 303 304 q1s32 = vmlal_s16(q1s32, d16s16, d15s16); 305 q2s32 = vmlal_s16(q2s32, d17s16, d15s16); 306 q3s32 = vmlsl_s16(q3s32, d16s16, d14s16); 307 q4s32 = vmlsl_s16(q4s32, d17s16, d14s16); 308 309 q5s32 = vmull_s16(d22s16, d30s16); 310 q6s32 = vmull_s16(d23s16, d30s16); 311 q7s32 = vmull_s16(d22s16, d31s16); 312 q8s32 = vmull_s16(d23s16, d31s16); 313 314 q5s32 = vmlal_s16(q5s32, d24s16, d31s16); 315 q6s32 = vmlal_s16(q6s32, d25s16, d31s16); 316 q7s32 = vmlsl_s16(q7s32, d24s16, d30s16); 317 q8s32 = vmlsl_s16(q8s32, d25s16, d30s16); 318 319 q11s32 = vaddq_s32(q1s32, q5s32); 320 q12s32 = vaddq_s32(q2s32, q6s32); 321 q1s32 = vsubq_s32(q1s32, q5s32); 322 q2s32 = vsubq_s32(q2s32, q6s32); 323 324 d22s16 = vqrshrn_n_s32(q11s32, 14); 325 d23s16 = vqrshrn_n_s32(q12s32, 14); 326 *q11s16 = vcombine_s16(d22s16, d23s16); 327 328 q12s32 = vaddq_s32(q3s32, q7s32); 329 q15s32 = vaddq_s32(q4s32, q8s32); 330 q3s32 = vsubq_s32(q3s32, q7s32); 331 q4s32 = vsubq_s32(q4s32, q8s32); 332 333 d2s16 = vqrshrn_n_s32(q1s32, 14); 334 d3s16 = vqrshrn_n_s32(q2s32, 14); 335 d24s16 = vqrshrn_n_s32(q12s32, 14); 336 d25s16 = vqrshrn_n_s32(q15s32, 14); 337 d6s16 = vqrshrn_n_s32(q3s32, 14); 338 d7s16 = vqrshrn_n_s32(q4s32, 14); 339 *q12s16 = vcombine_s16(d24s16, d25s16); 340 341 d0s16 = vdup_n_s16(cospi_10_64); 342 d1s16 = vdup_n_s16(cospi_22_64); 343 q4s32 = vmull_s16(d26s16, d0s16); 344 q5s32 = vmull_s16(d27s16, d0s16); 345 q2s32 = vmull_s16(d26s16, d1s16); 346 q6s32 = vmull_s16(d27s16, d1s16); 347 348 d30s16 = vdup_n_s16(cospi_26_64); 349 d31s16 = vdup_n_s16(cospi_6_64); 350 351 q4s32 = vmlal_s16(q4s32, d20s16, d1s16); 352 q5s32 = vmlal_s16(q5s32, d21s16, d1s16); 353 q2s32 = vmlsl_s16(q2s32, d20s16, d0s16); 354 q6s32 = vmlsl_s16(q6s32, d21s16, d0s16); 355 356 q0s32 = vmull_s16(d18s16, d30s16); 357 q13s32 = vmull_s16(d19s16, d30s16); 358 359 q0s32 = vmlal_s16(q0s32, d28s16, d31s16); 360 q13s32 = vmlal_s16(q13s32, d29s16, d31s16); 361 362 q10s32 = vmull_s16(d18s16, d31s16); 363 q9s32 = vmull_s16(d19s16, d31s16); 364 365 q10s32 = vmlsl_s16(q10s32, d28s16, d30s16); 366 q9s32 = vmlsl_s16(q9s32, d29s16, d30s16); 367 368 q14s32 = vaddq_s32(q2s32, q10s32); 369 q15s32 = vaddq_s32(q6s32, q9s32); 370 q2s32 = vsubq_s32(q2s32, q10s32); 371 q6s32 = vsubq_s32(q6s32, q9s32); 372 373 d28s16 = vqrshrn_n_s32(q14s32, 14); 374 d29s16 = vqrshrn_n_s32(q15s32, 14); 375 d4s16 = vqrshrn_n_s32(q2s32, 14); 376 d5s16 = vqrshrn_n_s32(q6s32, 14); 377 *q14s16 = vcombine_s16(d28s16, d29s16); 378 379 q9s32 = vaddq_s32(q4s32, q0s32); 380 q10s32 = vaddq_s32(q5s32, q13s32); 381 q4s32 = vsubq_s32(q4s32, q0s32); 382 q5s32 = vsubq_s32(q5s32, q13s32); 383 384 d30s16 = vdup_n_s16(cospi_8_64); 385 d31s16 = vdup_n_s16(cospi_24_64); 386 387 d18s16 = vqrshrn_n_s32(q9s32, 14); 388 d19s16 = vqrshrn_n_s32(q10s32, 14); 389 d8s16 = vqrshrn_n_s32(q4s32, 14); 390 d9s16 = vqrshrn_n_s32(q5s32, 14); 391 *q9s16 = vcombine_s16(d18s16, d19s16); 392 393 q5s32 = vmull_s16(d2s16, d30s16); 394 q6s32 = vmull_s16(d3s16, d30s16); 395 q7s32 = vmull_s16(d2s16, d31s16); 396 q0s32 = vmull_s16(d3s16, d31s16); 397 398 q5s32 = vmlal_s16(q5s32, d6s16, d31s16); 399 q6s32 = vmlal_s16(q6s32, d7s16, d31s16); 400 q7s32 = vmlsl_s16(q7s32, d6s16, d30s16); 401 q0s32 = vmlsl_s16(q0s32, d7s16, d30s16); 402 403 q1s32 = vmull_s16(d4s16, d30s16); 404 q3s32 = vmull_s16(d5s16, d30s16); 405 q10s32 = vmull_s16(d4s16, d31s16); 406 q2s32 = vmull_s16(d5s16, d31s16); 407 408 q1s32 = vmlsl_s16(q1s32, d8s16, d31s16); 409 q3s32 = vmlsl_s16(q3s32, d9s16, d31s16); 410 q10s32 = vmlal_s16(q10s32, d8s16, d30s16); 411 q2s32 = vmlal_s16(q2s32, d9s16, d30s16); 412 413 *q8s16 = vaddq_s16(*q11s16, *q9s16); 414 *q11s16 = vsubq_s16(*q11s16, *q9s16); 415 q4s16 = vaddq_s16(*q12s16, *q14s16); 416 *q12s16 = vsubq_s16(*q12s16, *q14s16); 417 418 q14s32 = vaddq_s32(q5s32, q1s32); 419 q15s32 = vaddq_s32(q6s32, q3s32); 420 q5s32 = vsubq_s32(q5s32, q1s32); 421 q6s32 = vsubq_s32(q6s32, q3s32); 422 423 d18s16 = vqrshrn_n_s32(q14s32, 14); 424 d19s16 = vqrshrn_n_s32(q15s32, 14); 425 d10s16 = vqrshrn_n_s32(q5s32, 14); 426 d11s16 = vqrshrn_n_s32(q6s32, 14); 427 *q9s16 = vcombine_s16(d18s16, d19s16); 428 429 q1s32 = vaddq_s32(q7s32, q10s32); 430 q3s32 = vaddq_s32(q0s32, q2s32); 431 q7s32 = vsubq_s32(q7s32, q10s32); 432 q0s32 = vsubq_s32(q0s32, q2s32); 433 434 d28s16 = vqrshrn_n_s32(q1s32, 14); 435 d29s16 = vqrshrn_n_s32(q3s32, 14); 436 d14s16 = vqrshrn_n_s32(q7s32, 14); 437 d15s16 = vqrshrn_n_s32(q0s32, 14); 438 *q14s16 = vcombine_s16(d28s16, d29s16); 439 440 d30s16 = vdup_n_s16(cospi_16_64); 441 442 d22s16 = vget_low_s16(*q11s16); 443 d23s16 = vget_high_s16(*q11s16); 444 q2s32 = vmull_s16(d22s16, d30s16); 445 q3s32 = vmull_s16(d23s16, d30s16); 446 q13s32 = vmull_s16(d22s16, d30s16); 447 q1s32 = vmull_s16(d23s16, d30s16); 448 449 d24s16 = vget_low_s16(*q12s16); 450 d25s16 = vget_high_s16(*q12s16); 451 q2s32 = vmlal_s16(q2s32, d24s16, d30s16); 452 q3s32 = vmlal_s16(q3s32, d25s16, d30s16); 453 q13s32 = vmlsl_s16(q13s32, d24s16, d30s16); 454 q1s32 = vmlsl_s16(q1s32, d25s16, d30s16); 455 456 d4s16 = vqrshrn_n_s32(q2s32, 14); 457 d5s16 = vqrshrn_n_s32(q3s32, 14); 458 d24s16 = vqrshrn_n_s32(q13s32, 14); 459 d25s16 = vqrshrn_n_s32(q1s32, 14); 460 q2s16 = vcombine_s16(d4s16, d5s16); 461 *q12s16 = vcombine_s16(d24s16, d25s16); 462 463 q13s32 = vmull_s16(d10s16, d30s16); 464 q1s32 = vmull_s16(d11s16, d30s16); 465 q11s32 = vmull_s16(d10s16, d30s16); 466 q0s32 = vmull_s16(d11s16, d30s16); 467 468 q13s32 = vmlal_s16(q13s32, d14s16, d30s16); 469 q1s32 = vmlal_s16(q1s32, d15s16, d30s16); 470 q11s32 = vmlsl_s16(q11s32, d14s16, d30s16); 471 q0s32 = vmlsl_s16(q0s32, d15s16, d30s16); 472 473 d20s16 = vqrshrn_n_s32(q13s32, 14); 474 d21s16 = vqrshrn_n_s32(q1s32, 14); 475 d12s16 = vqrshrn_n_s32(q11s32, 14); 476 d13s16 = vqrshrn_n_s32(q0s32, 14); 477 *q10s16 = vcombine_s16(d20s16, d21s16); 478 q6s16 = vcombine_s16(d12s16, d13s16); 479 480 q5s16 = vdupq_n_s16(0); 481 482 *q9s16 = vsubq_s16(q5s16, *q9s16); 483 *q11s16 = vsubq_s16(q5s16, q2s16); 484 *q13s16 = vsubq_s16(q5s16, q6s16); 485 *q15s16 = vsubq_s16(q5s16, q4s16); 486 return; 487 } 488 489 void vp9_iht8x8_64_add_neon(const tran_low_t *input, uint8_t *dest, 490 int dest_stride, int tx_type) { 491 int i; 492 uint8_t *d1, *d2; 493 uint8x8_t d0u8, d1u8, d2u8, d3u8; 494 uint64x1_t d0u64, d1u64, d2u64, d3u64; 495 int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16; 496 uint16x8_t q8u16, q9u16, q10u16, q11u16; 497 498 q8s16 = vld1q_s16(input); 499 q9s16 = vld1q_s16(input + 8); 500 q10s16 = vld1q_s16(input + 8 * 2); 501 q11s16 = vld1q_s16(input + 8 * 3); 502 q12s16 = vld1q_s16(input + 8 * 4); 503 q13s16 = vld1q_s16(input + 8 * 5); 504 q14s16 = vld1q_s16(input + 8 * 6); 505 q15s16 = vld1q_s16(input + 8 * 7); 506 507 TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, 508 &q12s16, &q13s16, &q14s16, &q15s16); 509 510 switch (tx_type) { 511 case 0: // idct_idct is not supported. Fall back to C 512 vp9_iht8x8_64_add_c(input, dest, dest_stride, tx_type); 513 return; 514 break; 515 case 1: // iadst_idct 516 // generate IDCT constants 517 // GENERATE_IDCT_CONSTANTS 518 519 // first transform rows 520 IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, 521 &q12s16, &q13s16, &q14s16, &q15s16); 522 523 // transpose the matrix 524 TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, 525 &q12s16, &q13s16, &q14s16, &q15s16); 526 527 // generate IADST constants 528 // GENERATE_IADST_CONSTANTS 529 530 // then transform columns 531 IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, 532 &q12s16, &q13s16, &q14s16, &q15s16); 533 break; 534 case 2: // idct_iadst 535 // generate IADST constants 536 // GENERATE_IADST_CONSTANTS 537 538 // first transform rows 539 IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, 540 &q12s16, &q13s16, &q14s16, &q15s16); 541 542 // transpose the matrix 543 TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, 544 &q12s16, &q13s16, &q14s16, &q15s16); 545 546 // generate IDCT constants 547 // GENERATE_IDCT_CONSTANTS 548 549 // then transform columns 550 IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, 551 &q12s16, &q13s16, &q14s16, &q15s16); 552 break; 553 case 3: // iadst_iadst 554 // generate IADST constants 555 // GENERATE_IADST_CONSTANTS 556 557 // first transform rows 558 IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, 559 &q12s16, &q13s16, &q14s16, &q15s16); 560 561 // transpose the matrix 562 TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, 563 &q12s16, &q13s16, &q14s16, &q15s16); 564 565 // then transform columns 566 IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, 567 &q12s16, &q13s16, &q14s16, &q15s16); 568 break; 569 default: // iadst_idct 570 assert(0); 571 break; 572 } 573 574 q8s16 = vrshrq_n_s16(q8s16, 5); 575 q9s16 = vrshrq_n_s16(q9s16, 5); 576 q10s16 = vrshrq_n_s16(q10s16, 5); 577 q11s16 = vrshrq_n_s16(q11s16, 5); 578 q12s16 = vrshrq_n_s16(q12s16, 5); 579 q13s16 = vrshrq_n_s16(q13s16, 5); 580 q14s16 = vrshrq_n_s16(q14s16, 5); 581 q15s16 = vrshrq_n_s16(q15s16, 5); 582 583 for (d1 = d2 = dest, i = 0; i < 2; i++) { 584 if (i != 0) { 585 q8s16 = q12s16; 586 q9s16 = q13s16; 587 q10s16 = q14s16; 588 q11s16 = q15s16; 589 } 590 591 d0u64 = vld1_u64((uint64_t *)d1); 592 d1 += dest_stride; 593 d1u64 = vld1_u64((uint64_t *)d1); 594 d1 += dest_stride; 595 d2u64 = vld1_u64((uint64_t *)d1); 596 d1 += dest_stride; 597 d3u64 = vld1_u64((uint64_t *)d1); 598 d1 += dest_stride; 599 600 q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16), 601 vreinterpret_u8_u64(d0u64)); 602 q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16), 603 vreinterpret_u8_u64(d1u64)); 604 q10u16 = vaddw_u8(vreinterpretq_u16_s16(q10s16), 605 vreinterpret_u8_u64(d2u64)); 606 q11u16 = vaddw_u8(vreinterpretq_u16_s16(q11s16), 607 vreinterpret_u8_u64(d3u64)); 608 609 d0u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16)); 610 d1u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16)); 611 d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q10u16)); 612 d3u8 = vqmovun_s16(vreinterpretq_s16_u16(q11u16)); 613 614 vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d0u8)); 615 d2 += dest_stride; 616 vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8)); 617 d2 += dest_stride; 618 vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8)); 619 d2 += dest_stride; 620 vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8)); 621 d2 += dest_stride; 622 } 623 return; 624 } 625
