| 1 | /* |
| 2 | * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (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 GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include "libavutil/arm/asm.S" |
| 22 | |
| 23 | /* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ |
| 24 | .macro h264_chroma_mc8 type, codec=h264 |
| 25 | function ff_\type\()_\codec\()_chroma_mc8_neon, export=1 |
| 26 | push {r4-r7, lr} |
| 27 | ldrd r4, r5, [sp, #20] |
| 28 | .ifc \type,avg |
| 29 | mov lr, r0 |
| 30 | .endif |
| 31 | pld [r1] |
| 32 | pld [r1, r2] |
| 33 | |
| 34 | .ifc \codec,rv40 |
| 35 | movrel r6, rv40bias |
| 36 | lsr r7, r5, #1 |
| 37 | add r6, r6, r7, lsl #3 |
| 38 | lsr r7, r4, #1 |
| 39 | add r6, r6, r7, lsl #1 |
| 40 | vld1.16 {d22[],d23[]}, [r6,:16] |
| 41 | .endif |
| 42 | .ifc \codec,vc1 |
| 43 | vmov.u16 q11, #28 |
| 44 | .endif |
| 45 | |
| 46 | A muls r7, r4, r5 |
| 47 | T mul r7, r4, r5 |
| 48 | T cmp r7, #0 |
| 49 | rsb r6, r7, r5, lsl #3 |
| 50 | rsb r12, r7, r4, lsl #3 |
| 51 | sub r4, r7, r4, lsl #3 |
| 52 | sub r4, r4, r5, lsl #3 |
| 53 | add r4, r4, #64 |
| 54 | |
| 55 | beq 2f |
| 56 | |
| 57 | vdup.8 d0, r4 |
| 58 | vdup.8 d1, r12 |
| 59 | vld1.8 {d4, d5}, [r1], r2 |
| 60 | vdup.8 d2, r6 |
| 61 | vdup.8 d3, r7 |
| 62 | vext.8 d5, d4, d5, #1 |
| 63 | |
| 64 | 1: vld1.8 {d6, d7}, [r1], r2 |
| 65 | vmull.u8 q8, d4, d0 |
| 66 | vmlal.u8 q8, d5, d1 |
| 67 | vext.8 d7, d6, d7, #1 |
| 68 | vld1.8 {d4, d5}, [r1], r2 |
| 69 | vmlal.u8 q8, d6, d2 |
| 70 | pld [r1] |
| 71 | vext.8 d5, d4, d5, #1 |
| 72 | vmlal.u8 q8, d7, d3 |
| 73 | vmull.u8 q9, d6, d0 |
| 74 | subs r3, r3, #2 |
| 75 | vmlal.u8 q9, d7, d1 |
| 76 | vmlal.u8 q9, d4, d2 |
| 77 | vmlal.u8 q9, d5, d3 |
| 78 | pld [r1, r2] |
| 79 | .ifc \codec,h264 |
| 80 | vrshrn.u16 d16, q8, #6 |
| 81 | vrshrn.u16 d17, q9, #6 |
| 82 | .else |
| 83 | vadd.u16 q8, q8, q11 |
| 84 | vadd.u16 q9, q9, q11 |
| 85 | vshrn.u16 d16, q8, #6 |
| 86 | vshrn.u16 d17, q9, #6 |
| 87 | .endif |
| 88 | .ifc \type,avg |
| 89 | vld1.8 {d20}, [lr,:64], r2 |
| 90 | vld1.8 {d21}, [lr,:64], r2 |
| 91 | vrhadd.u8 q8, q8, q10 |
| 92 | .endif |
| 93 | vst1.8 {d16}, [r0,:64], r2 |
| 94 | vst1.8 {d17}, [r0,:64], r2 |
| 95 | bgt 1b |
| 96 | |
| 97 | pop {r4-r7, pc} |
| 98 | |
| 99 | 2: adds r12, r12, r6 |
| 100 | vdup.8 d0, r4 |
| 101 | beq 5f |
| 102 | tst r6, r6 |
| 103 | vdup.8 d1, r12 |
| 104 | |
| 105 | beq 4f |
| 106 | |
| 107 | vld1.8 {d4}, [r1], r2 |
| 108 | |
| 109 | 3: vld1.8 {d6}, [r1], r2 |
| 110 | vmull.u8 q8, d4, d0 |
| 111 | vmlal.u8 q8, d6, d1 |
| 112 | vld1.8 {d4}, [r1], r2 |
| 113 | vmull.u8 q9, d6, d0 |
| 114 | vmlal.u8 q9, d4, d1 |
| 115 | pld [r1] |
| 116 | .ifc \codec,h264 |
| 117 | vrshrn.u16 d16, q8, #6 |
| 118 | vrshrn.u16 d17, q9, #6 |
| 119 | .else |
| 120 | vadd.u16 q8, q8, q11 |
| 121 | vadd.u16 q9, q9, q11 |
| 122 | vshrn.u16 d16, q8, #6 |
| 123 | vshrn.u16 d17, q9, #6 |
| 124 | .endif |
| 125 | pld [r1, r2] |
| 126 | .ifc \type,avg |
| 127 | vld1.8 {d20}, [lr,:64], r2 |
| 128 | vld1.8 {d21}, [lr,:64], r2 |
| 129 | vrhadd.u8 q8, q8, q10 |
| 130 | .endif |
| 131 | subs r3, r3, #2 |
| 132 | vst1.8 {d16}, [r0,:64], r2 |
| 133 | vst1.8 {d17}, [r0,:64], r2 |
| 134 | bgt 3b |
| 135 | |
| 136 | pop {r4-r7, pc} |
| 137 | |
| 138 | 4: vld1.8 {d4, d5}, [r1], r2 |
| 139 | vld1.8 {d6, d7}, [r1], r2 |
| 140 | vext.8 d5, d4, d5, #1 |
| 141 | vext.8 d7, d6, d7, #1 |
| 142 | pld [r1] |
| 143 | subs r3, r3, #2 |
| 144 | vmull.u8 q8, d4, d0 |
| 145 | vmlal.u8 q8, d5, d1 |
| 146 | vmull.u8 q9, d6, d0 |
| 147 | vmlal.u8 q9, d7, d1 |
| 148 | pld [r1, r2] |
| 149 | .ifc \codec,h264 |
| 150 | vrshrn.u16 d16, q8, #6 |
| 151 | vrshrn.u16 d17, q9, #6 |
| 152 | .else |
| 153 | vadd.u16 q8, q8, q11 |
| 154 | vadd.u16 q9, q9, q11 |
| 155 | vshrn.u16 d16, q8, #6 |
| 156 | vshrn.u16 d17, q9, #6 |
| 157 | .endif |
| 158 | .ifc \type,avg |
| 159 | vld1.8 {d20}, [lr,:64], r2 |
| 160 | vld1.8 {d21}, [lr,:64], r2 |
| 161 | vrhadd.u8 q8, q8, q10 |
| 162 | .endif |
| 163 | vst1.8 {d16}, [r0,:64], r2 |
| 164 | vst1.8 {d17}, [r0,:64], r2 |
| 165 | bgt 4b |
| 166 | |
| 167 | pop {r4-r7, pc} |
| 168 | |
| 169 | 5: vld1.8 {d4}, [r1], r2 |
| 170 | vld1.8 {d5}, [r1], r2 |
| 171 | pld [r1] |
| 172 | subs r3, r3, #2 |
| 173 | vmull.u8 q8, d4, d0 |
| 174 | vmull.u8 q9, d5, d0 |
| 175 | pld [r1, r2] |
| 176 | .ifc \codec,h264 |
| 177 | vrshrn.u16 d16, q8, #6 |
| 178 | vrshrn.u16 d17, q9, #6 |
| 179 | .else |
| 180 | vadd.u16 q8, q8, q11 |
| 181 | vadd.u16 q9, q9, q11 |
| 182 | vshrn.u16 d16, q8, #6 |
| 183 | vshrn.u16 d17, q9, #6 |
| 184 | .endif |
| 185 | .ifc \type,avg |
| 186 | vld1.8 {d20}, [lr,:64], r2 |
| 187 | vld1.8 {d21}, [lr,:64], r2 |
| 188 | vrhadd.u8 q8, q8, q10 |
| 189 | .endif |
| 190 | vst1.8 {d16}, [r0,:64], r2 |
| 191 | vst1.8 {d17}, [r0,:64], r2 |
| 192 | bgt 5b |
| 193 | |
| 194 | pop {r4-r7, pc} |
| 195 | endfunc |
| 196 | .endm |
| 197 | |
| 198 | /* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ |
| 199 | .macro h264_chroma_mc4 type, codec=h264 |
| 200 | function ff_\type\()_\codec\()_chroma_mc4_neon, export=1 |
| 201 | push {r4-r7, lr} |
| 202 | ldrd r4, r5, [sp, #20] |
| 203 | .ifc \type,avg |
| 204 | mov lr, r0 |
| 205 | .endif |
| 206 | pld [r1] |
| 207 | pld [r1, r2] |
| 208 | |
| 209 | .ifc \codec,rv40 |
| 210 | movrel r6, rv40bias |
| 211 | lsr r7, r5, #1 |
| 212 | add r6, r6, r7, lsl #3 |
| 213 | lsr r7, r4, #1 |
| 214 | add r6, r6, r7, lsl #1 |
| 215 | vld1.16 {d22[],d23[]}, [r6,:16] |
| 216 | .endif |
| 217 | .ifc \codec,vc1 |
| 218 | vmov.u16 q11, #28 |
| 219 | .endif |
| 220 | |
| 221 | A muls r7, r4, r5 |
| 222 | T mul r7, r4, r5 |
| 223 | T cmp r7, #0 |
| 224 | rsb r6, r7, r5, lsl #3 |
| 225 | rsb r12, r7, r4, lsl #3 |
| 226 | sub r4, r7, r4, lsl #3 |
| 227 | sub r4, r4, r5, lsl #3 |
| 228 | add r4, r4, #64 |
| 229 | |
| 230 | beq 2f |
| 231 | |
| 232 | vdup.8 d0, r4 |
| 233 | vdup.8 d1, r12 |
| 234 | vld1.8 {d4}, [r1], r2 |
| 235 | vdup.8 d2, r6 |
| 236 | vdup.8 d3, r7 |
| 237 | |
| 238 | vext.8 d5, d4, d5, #1 |
| 239 | vtrn.32 d4, d5 |
| 240 | |
| 241 | vtrn.32 d0, d1 |
| 242 | vtrn.32 d2, d3 |
| 243 | |
| 244 | 1: vld1.8 {d6}, [r1], r2 |
| 245 | vext.8 d7, d6, d7, #1 |
| 246 | vtrn.32 d6, d7 |
| 247 | vmull.u8 q8, d4, d0 |
| 248 | vmlal.u8 q8, d6, d2 |
| 249 | vld1.8 {d4}, [r1], r2 |
| 250 | vext.8 d5, d4, d5, #1 |
| 251 | vtrn.32 d4, d5 |
| 252 | pld [r1] |
| 253 | vmull.u8 q9, d6, d0 |
| 254 | vmlal.u8 q9, d4, d2 |
| 255 | vadd.i16 d16, d16, d17 |
| 256 | vadd.i16 d17, d18, d19 |
| 257 | .ifc \codec,h264 |
| 258 | vrshrn.u16 d16, q8, #6 |
| 259 | .else |
| 260 | vadd.u16 q8, q8, q11 |
| 261 | vshrn.u16 d16, q8, #6 |
| 262 | .endif |
| 263 | subs r3, r3, #2 |
| 264 | pld [r1, r2] |
| 265 | .ifc \type,avg |
| 266 | vld1.32 {d20[0]}, [lr,:32], r2 |
| 267 | vld1.32 {d20[1]}, [lr,:32], r2 |
| 268 | vrhadd.u8 d16, d16, d20 |
| 269 | .endif |
| 270 | vst1.32 {d16[0]}, [r0,:32], r2 |
| 271 | vst1.32 {d16[1]}, [r0,:32], r2 |
| 272 | bgt 1b |
| 273 | |
| 274 | pop {r4-r7, pc} |
| 275 | |
| 276 | 2: adds r12, r12, r6 |
| 277 | vdup.8 d0, r4 |
| 278 | beq 5f |
| 279 | tst r6, r6 |
| 280 | vdup.8 d1, r12 |
| 281 | vtrn.32 d0, d1 |
| 282 | |
| 283 | beq 4f |
| 284 | |
| 285 | vext.32 d1, d0, d1, #1 |
| 286 | vld1.32 {d4[0]}, [r1], r2 |
| 287 | |
| 288 | 3: vld1.32 {d4[1]}, [r1], r2 |
| 289 | vmull.u8 q8, d4, d0 |
| 290 | vld1.32 {d4[0]}, [r1], r2 |
| 291 | vmull.u8 q9, d4, d1 |
| 292 | vadd.i16 d16, d16, d17 |
| 293 | vadd.i16 d17, d18, d19 |
| 294 | pld [r1] |
| 295 | .ifc \codec,h264 |
| 296 | vrshrn.u16 d16, q8, #6 |
| 297 | .else |
| 298 | vadd.u16 q8, q8, q11 |
| 299 | vshrn.u16 d16, q8, #6 |
| 300 | .endif |
| 301 | .ifc \type,avg |
| 302 | vld1.32 {d20[0]}, [lr,:32], r2 |
| 303 | vld1.32 {d20[1]}, [lr,:32], r2 |
| 304 | vrhadd.u8 d16, d16, d20 |
| 305 | .endif |
| 306 | subs r3, r3, #2 |
| 307 | pld [r1, r2] |
| 308 | vst1.32 {d16[0]}, [r0,:32], r2 |
| 309 | vst1.32 {d16[1]}, [r0,:32], r2 |
| 310 | bgt 3b |
| 311 | |
| 312 | pop {r4-r7, pc} |
| 313 | |
| 314 | 4: vld1.8 {d4}, [r1], r2 |
| 315 | vld1.8 {d6}, [r1], r2 |
| 316 | vext.8 d5, d4, d5, #1 |
| 317 | vext.8 d7, d6, d7, #1 |
| 318 | vtrn.32 d4, d5 |
| 319 | vtrn.32 d6, d7 |
| 320 | vmull.u8 q8, d4, d0 |
| 321 | vmull.u8 q9, d6, d0 |
| 322 | subs r3, r3, #2 |
| 323 | vadd.i16 d16, d16, d17 |
| 324 | vadd.i16 d17, d18, d19 |
| 325 | pld [r1] |
| 326 | .ifc \codec,h264 |
| 327 | vrshrn.u16 d16, q8, #6 |
| 328 | .else |
| 329 | vadd.u16 q8, q8, q11 |
| 330 | vshrn.u16 d16, q8, #6 |
| 331 | .endif |
| 332 | .ifc \type,avg |
| 333 | vld1.32 {d20[0]}, [lr,:32], r2 |
| 334 | vld1.32 {d20[1]}, [lr,:32], r2 |
| 335 | vrhadd.u8 d16, d16, d20 |
| 336 | .endif |
| 337 | pld [r1] |
| 338 | vst1.32 {d16[0]}, [r0,:32], r2 |
| 339 | vst1.32 {d16[1]}, [r0,:32], r2 |
| 340 | bgt 4b |
| 341 | |
| 342 | pop {r4-r7, pc} |
| 343 | |
| 344 | 5: vld1.32 {d4[0]}, [r1], r2 |
| 345 | vld1.32 {d4[1]}, [r1], r2 |
| 346 | vmull.u8 q8, d4, d0 |
| 347 | subs r3, r3, #2 |
| 348 | pld [r1] |
| 349 | .ifc \codec,h264 |
| 350 | vrshrn.u16 d16, q8, #6 |
| 351 | .else |
| 352 | vadd.u16 q8, q8, q11 |
| 353 | vshrn.u16 d16, q8, #6 |
| 354 | .endif |
| 355 | .ifc \type,avg |
| 356 | vld1.32 {d20[0]}, [lr,:32], r2 |
| 357 | vld1.32 {d20[1]}, [lr,:32], r2 |
| 358 | vrhadd.u8 d16, d16, d20 |
| 359 | .endif |
| 360 | pld [r1] |
| 361 | vst1.32 {d16[0]}, [r0,:32], r2 |
| 362 | vst1.32 {d16[1]}, [r0,:32], r2 |
| 363 | bgt 5b |
| 364 | |
| 365 | pop {r4-r7, pc} |
| 366 | endfunc |
| 367 | .endm |
| 368 | |
| 369 | .macro h264_chroma_mc2 type |
| 370 | function ff_\type\()_h264_chroma_mc2_neon, export=1 |
| 371 | push {r4-r6, lr} |
| 372 | ldr r4, [sp, #16] |
| 373 | ldr lr, [sp, #20] |
| 374 | pld [r1] |
| 375 | pld [r1, r2] |
| 376 | orrs r5, r4, lr |
| 377 | beq 2f |
| 378 | |
| 379 | mul r5, r4, lr |
| 380 | rsb r6, r5, lr, lsl #3 |
| 381 | rsb r12, r5, r4, lsl #3 |
| 382 | sub r4, r5, r4, lsl #3 |
| 383 | sub r4, r4, lr, lsl #3 |
| 384 | add r4, r4, #64 |
| 385 | vdup.8 d0, r4 |
| 386 | vdup.8 d2, r12 |
| 387 | vdup.8 d1, r6 |
| 388 | vdup.8 d3, r5 |
| 389 | vtrn.16 q0, q1 |
| 390 | 1: |
| 391 | vld1.32 {d4[0]}, [r1], r2 |
| 392 | vld1.32 {d4[1]}, [r1], r2 |
| 393 | vrev64.32 d5, d4 |
| 394 | vld1.32 {d5[1]}, [r1] |
| 395 | vext.8 q3, q2, q2, #1 |
| 396 | vtrn.16 q2, q3 |
| 397 | vmull.u8 q8, d4, d0 |
| 398 | vmlal.u8 q8, d5, d1 |
| 399 | .ifc \type,avg |
| 400 | vld1.16 {d18[0]}, [r0,:16], r2 |
| 401 | vld1.16 {d18[1]}, [r0,:16] |
| 402 | sub r0, r0, r2 |
| 403 | .endif |
| 404 | vtrn.32 d16, d17 |
| 405 | vadd.i16 d16, d16, d17 |
| 406 | vrshrn.u16 d16, q8, #6 |
| 407 | .ifc \type,avg |
| 408 | vrhadd.u8 d16, d16, d18 |
| 409 | .endif |
| 410 | vst1.16 {d16[0]}, [r0,:16], r2 |
| 411 | vst1.16 {d16[1]}, [r0,:16], r2 |
| 412 | subs r3, r3, #2 |
| 413 | bgt 1b |
| 414 | pop {r4-r6, pc} |
| 415 | 2: |
| 416 | .ifc \type,put |
| 417 | ldrh_post r5, r1, r2 |
| 418 | strh_post r5, r0, r2 |
| 419 | ldrh_post r6, r1, r2 |
| 420 | strh_post r6, r0, r2 |
| 421 | .else |
| 422 | vld1.16 {d16[0]}, [r1], r2 |
| 423 | vld1.16 {d16[1]}, [r1], r2 |
| 424 | vld1.16 {d18[0]}, [r0,:16], r2 |
| 425 | vld1.16 {d18[1]}, [r0,:16] |
| 426 | sub r0, r0, r2 |
| 427 | vrhadd.u8 d16, d16, d18 |
| 428 | vst1.16 {d16[0]}, [r0,:16], r2 |
| 429 | vst1.16 {d16[1]}, [r0,:16], r2 |
| 430 | .endif |
| 431 | subs r3, r3, #2 |
| 432 | bgt 2b |
| 433 | pop {r4-r6, pc} |
| 434 | endfunc |
| 435 | .endm |
| 436 | |
| 437 | h264_chroma_mc8 put |
| 438 | h264_chroma_mc8 avg |
| 439 | h264_chroma_mc4 put |
| 440 | h264_chroma_mc4 avg |
| 441 | h264_chroma_mc2 put |
| 442 | h264_chroma_mc2 avg |
| 443 | |
| 444 | #if CONFIG_RV40_DECODER |
| 445 | const rv40bias |
| 446 | .short 0, 16, 32, 16 |
| 447 | .short 32, 28, 32, 28 |
| 448 | .short 0, 32, 16, 32 |
| 449 | .short 32, 28, 32, 28 |
| 450 | endconst |
| 451 | |
| 452 | h264_chroma_mc8 put, rv40 |
| 453 | h264_chroma_mc8 avg, rv40 |
| 454 | h264_chroma_mc4 put, rv40 |
| 455 | h264_chroma_mc4 avg, rv40 |
| 456 | #endif |
| 457 | |
| 458 | #if CONFIG_VC1_DECODER |
| 459 | h264_chroma_mc8 put, vc1 |
| 460 | h264_chroma_mc8 avg, vc1 |
| 461 | h264_chroma_mc4 put, vc1 |
| 462 | h264_chroma_mc4 avg, vc1 |
| 463 | #endif |