1/* 2 * The simplest mpeg encoder (well, it was the simplest!) 3 * Copyright (c) 2000,2001 Fabrice Bellard 4 * 5 * Optimized for ia32 CPUs by Nick Kurshev <nickols_k@mail.ru> 6 * h263, mpeg1, mpeg2 dequantizer & draw_edges by Michael Niedermayer <michaelni@gmx.at> 7 * 8 * This file is part of FFmpeg. 9 * 10 * FFmpeg is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU Lesser General Public 12 * License as published by the Free Software Foundation; either 13 * version 2.1 of the License, or (at your option) any later version. 14 * 15 * FFmpeg is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * Lesser General Public License for more details. 19 * 20 * You should have received a copy of the GNU Lesser General Public 21 * License along with FFmpeg; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 23 */ 24 25#include "libavutil/x86_cpu.h" 26#include "libavcodec/avcodec.h" 27#include "libavcodec/dsputil.h" 28#include "libavcodec/mpegvideo.h" 29#include "dsputil_mmx.h" 30 31extern uint16_t inv_zigzag_direct16[64]; 32 33 34static void dct_unquantize_h263_intra_mmx(MpegEncContext *s, 35 DCTELEM *block, int n, int qscale) 36{ 37 x86_reg level, qmul, qadd, nCoeffs; 38 39 qmul = qscale << 1; 40 41 assert(s->block_last_index[n]>=0 || s->h263_aic); 42 43 if (!s->h263_aic) { 44 if (n < 4) 45 level = block[0] * s->y_dc_scale; 46 else 47 level = block[0] * s->c_dc_scale; 48 qadd = (qscale - 1) | 1; 49 }else{ 50 qadd = 0; 51 level= block[0]; 52 } 53 if(s->ac_pred) 54 nCoeffs=63; 55 else 56 nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; 57//printf("%d %d ", qmul, qadd); 58__asm__ volatile( 59 "movd %1, %%mm6 \n\t" //qmul 60 "packssdw %%mm6, %%mm6 \n\t" 61 "packssdw %%mm6, %%mm6 \n\t" 62 "movd %2, %%mm5 \n\t" //qadd 63 "pxor %%mm7, %%mm7 \n\t" 64 "packssdw %%mm5, %%mm5 \n\t" 65 "packssdw %%mm5, %%mm5 \n\t" 66 "psubw %%mm5, %%mm7 \n\t" 67 "pxor %%mm4, %%mm4 \n\t" 68 ASMALIGN(4) 69 "1: \n\t" 70 "movq (%0, %3), %%mm0 \n\t" 71 "movq 8(%0, %3), %%mm1 \n\t" 72 73 "pmullw %%mm6, %%mm0 \n\t" 74 "pmullw %%mm6, %%mm1 \n\t" 75 76 "movq (%0, %3), %%mm2 \n\t" 77 "movq 8(%0, %3), %%mm3 \n\t" 78 79 "pcmpgtw %%mm4, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 80 "pcmpgtw %%mm4, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 81 82 "pxor %%mm2, %%mm0 \n\t" 83 "pxor %%mm3, %%mm1 \n\t" 84 85 "paddw %%mm7, %%mm0 \n\t" 86 "paddw %%mm7, %%mm1 \n\t" 87 88 "pxor %%mm0, %%mm2 \n\t" 89 "pxor %%mm1, %%mm3 \n\t" 90 91 "pcmpeqw %%mm7, %%mm0 \n\t" // block[i] == 0 ? -1 : 0 92 "pcmpeqw %%mm7, %%mm1 \n\t" // block[i] == 0 ? -1 : 0 93 94 "pandn %%mm2, %%mm0 \n\t" 95 "pandn %%mm3, %%mm1 \n\t" 96 97 "movq %%mm0, (%0, %3) \n\t" 98 "movq %%mm1, 8(%0, %3) \n\t" 99 100 "add $16, %3 \n\t" 101 "jng 1b \n\t" 102 ::"r" (block+nCoeffs), "rm"(qmul), "rm" (qadd), "r" (2*(-nCoeffs)) 103 : "memory" 104 ); 105 block[0]= level; 106} 107 108 109static void dct_unquantize_h263_inter_mmx(MpegEncContext *s, 110 DCTELEM *block, int n, int qscale) 111{ 112 x86_reg qmul, qadd, nCoeffs; 113 114 qmul = qscale << 1; 115 qadd = (qscale - 1) | 1; 116 117 assert(s->block_last_index[n]>=0 || s->h263_aic); 118 119 nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; 120//printf("%d %d ", qmul, qadd); 121__asm__ volatile( 122 "movd %1, %%mm6 \n\t" //qmul 123 "packssdw %%mm6, %%mm6 \n\t" 124 "packssdw %%mm6, %%mm6 \n\t" 125 "movd %2, %%mm5 \n\t" //qadd 126 "pxor %%mm7, %%mm7 \n\t" 127 "packssdw %%mm5, %%mm5 \n\t" 128 "packssdw %%mm5, %%mm5 \n\t" 129 "psubw %%mm5, %%mm7 \n\t" 130 "pxor %%mm4, %%mm4 \n\t" 131 ASMALIGN(4) 132 "1: \n\t" 133 "movq (%0, %3), %%mm0 \n\t" 134 "movq 8(%0, %3), %%mm1 \n\t" 135 136 "pmullw %%mm6, %%mm0 \n\t" 137 "pmullw %%mm6, %%mm1 \n\t" 138 139 "movq (%0, %3), %%mm2 \n\t" 140 "movq 8(%0, %3), %%mm3 \n\t" 141 142 "pcmpgtw %%mm4, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 143 "pcmpgtw %%mm4, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 144 145 "pxor %%mm2, %%mm0 \n\t" 146 "pxor %%mm3, %%mm1 \n\t" 147 148 "paddw %%mm7, %%mm0 \n\t" 149 "paddw %%mm7, %%mm1 \n\t" 150 151 "pxor %%mm0, %%mm2 \n\t" 152 "pxor %%mm1, %%mm3 \n\t" 153 154 "pcmpeqw %%mm7, %%mm0 \n\t" // block[i] == 0 ? -1 : 0 155 "pcmpeqw %%mm7, %%mm1 \n\t" // block[i] == 0 ? -1 : 0 156 157 "pandn %%mm2, %%mm0 \n\t" 158 "pandn %%mm3, %%mm1 \n\t" 159 160 "movq %%mm0, (%0, %3) \n\t" 161 "movq %%mm1, 8(%0, %3) \n\t" 162 163 "add $16, %3 \n\t" 164 "jng 1b \n\t" 165 ::"r" (block+nCoeffs), "rm"(qmul), "rm" (qadd), "r" (2*(-nCoeffs)) 166 : "memory" 167 ); 168} 169 170 171/* 172 NK: 173 Note: looking at PARANOID: 174 "enable all paranoid tests for rounding, overflows, etc..." 175 176#ifdef PARANOID 177 if (level < -2048 || level > 2047) 178 fprintf(stderr, "unquant error %d %d\n", i, level); 179#endif 180 We can suppose that result of two multiplications can't be greater than 0xFFFF 181 i.e. is 16-bit, so we use here only PMULLW instruction and can avoid 182 a complex multiplication. 183===================================================== 184 Full formula for multiplication of 2 integer numbers 185 which are represent as high:low words: 186 input: value1 = high1:low1 187 value2 = high2:low2 188 output: value3 = value1*value2 189 value3=high3:low3 (on overflow: modulus 2^32 wrap-around) 190 this mean that for 0x123456 * 0x123456 correct result is 0x766cb0ce4 191 but this algorithm will compute only 0x66cb0ce4 192 this limited by 16-bit size of operands 193 --------------------------------- 194 tlow1 = high1*low2 195 tlow2 = high2*low1 196 tlow1 = tlow1 + tlow2 197 high3:low3 = low1*low2 198 high3 += tlow1 199*/ 200static void dct_unquantize_mpeg1_intra_mmx(MpegEncContext *s, 201 DCTELEM *block, int n, int qscale) 202{ 203 x86_reg nCoeffs; 204 const uint16_t *quant_matrix; 205 int block0; 206 207 assert(s->block_last_index[n]>=0); 208 209 nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]+1; 210 211 if (n < 4) 212 block0 = block[0] * s->y_dc_scale; 213 else 214 block0 = block[0] * s->c_dc_scale; 215 /* XXX: only mpeg1 */ 216 quant_matrix = s->intra_matrix; 217__asm__ volatile( 218 "pcmpeqw %%mm7, %%mm7 \n\t" 219 "psrlw $15, %%mm7 \n\t" 220 "movd %2, %%mm6 \n\t" 221 "packssdw %%mm6, %%mm6 \n\t" 222 "packssdw %%mm6, %%mm6 \n\t" 223 "mov %3, %%"REG_a" \n\t" 224 ASMALIGN(4) 225 "1: \n\t" 226 "movq (%0, %%"REG_a"), %%mm0 \n\t" 227 "movq 8(%0, %%"REG_a"), %%mm1 \n\t" 228 "movq (%1, %%"REG_a"), %%mm4 \n\t" 229 "movq 8(%1, %%"REG_a"), %%mm5 \n\t" 230 "pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i] 231 "pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i] 232 "pxor %%mm2, %%mm2 \n\t" 233 "pxor %%mm3, %%mm3 \n\t" 234 "pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 235 "pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 236 "pxor %%mm2, %%mm0 \n\t" 237 "pxor %%mm3, %%mm1 \n\t" 238 "psubw %%mm2, %%mm0 \n\t" // abs(block[i]) 239 "psubw %%mm3, %%mm1 \n\t" // abs(block[i]) 240 "pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*q 241 "pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*q 242 "pxor %%mm4, %%mm4 \n\t" 243 "pxor %%mm5, %%mm5 \n\t" // FIXME slow 244 "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 245 "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0 246 "psraw $3, %%mm0 \n\t" 247 "psraw $3, %%mm1 \n\t" 248 "psubw %%mm7, %%mm0 \n\t" 249 "psubw %%mm7, %%mm1 \n\t" 250 "por %%mm7, %%mm0 \n\t" 251 "por %%mm7, %%mm1 \n\t" 252 "pxor %%mm2, %%mm0 \n\t" 253 "pxor %%mm3, %%mm1 \n\t" 254 "psubw %%mm2, %%mm0 \n\t" 255 "psubw %%mm3, %%mm1 \n\t" 256 "pandn %%mm0, %%mm4 \n\t" 257 "pandn %%mm1, %%mm5 \n\t" 258 "movq %%mm4, (%0, %%"REG_a") \n\t" 259 "movq %%mm5, 8(%0, %%"REG_a") \n\t" 260 261 "add $16, %%"REG_a" \n\t" 262 "js 1b \n\t" 263 ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs) 264 : "%"REG_a, "memory" 265 ); 266 block[0]= block0; 267} 268 269static void dct_unquantize_mpeg1_inter_mmx(MpegEncContext *s, 270 DCTELEM *block, int n, int qscale) 271{ 272 x86_reg nCoeffs; 273 const uint16_t *quant_matrix; 274 275 assert(s->block_last_index[n]>=0); 276 277 nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]+1; 278 279 quant_matrix = s->inter_matrix; 280__asm__ volatile( 281 "pcmpeqw %%mm7, %%mm7 \n\t" 282 "psrlw $15, %%mm7 \n\t" 283 "movd %2, %%mm6 \n\t" 284 "packssdw %%mm6, %%mm6 \n\t" 285 "packssdw %%mm6, %%mm6 \n\t" 286 "mov %3, %%"REG_a" \n\t" 287 ASMALIGN(4) 288 "1: \n\t" 289 "movq (%0, %%"REG_a"), %%mm0 \n\t" 290 "movq 8(%0, %%"REG_a"), %%mm1 \n\t" 291 "movq (%1, %%"REG_a"), %%mm4 \n\t" 292 "movq 8(%1, %%"REG_a"), %%mm5 \n\t" 293 "pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i] 294 "pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i] 295 "pxor %%mm2, %%mm2 \n\t" 296 "pxor %%mm3, %%mm3 \n\t" 297 "pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 298 "pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 299 "pxor %%mm2, %%mm0 \n\t" 300 "pxor %%mm3, %%mm1 \n\t" 301 "psubw %%mm2, %%mm0 \n\t" // abs(block[i]) 302 "psubw %%mm3, %%mm1 \n\t" // abs(block[i]) 303 "paddw %%mm0, %%mm0 \n\t" // abs(block[i])*2 304 "paddw %%mm1, %%mm1 \n\t" // abs(block[i])*2 305 "paddw %%mm7, %%mm0 \n\t" // abs(block[i])*2 + 1 306 "paddw %%mm7, %%mm1 \n\t" // abs(block[i])*2 + 1 307 "pmullw %%mm4, %%mm0 \n\t" // (abs(block[i])*2 + 1)*q 308 "pmullw %%mm5, %%mm1 \n\t" // (abs(block[i])*2 + 1)*q 309 "pxor %%mm4, %%mm4 \n\t" 310 "pxor %%mm5, %%mm5 \n\t" // FIXME slow 311 "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 312 "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0 313 "psraw $4, %%mm0 \n\t" 314 "psraw $4, %%mm1 \n\t" 315 "psubw %%mm7, %%mm0 \n\t" 316 "psubw %%mm7, %%mm1 \n\t" 317 "por %%mm7, %%mm0 \n\t" 318 "por %%mm7, %%mm1 \n\t" 319 "pxor %%mm2, %%mm0 \n\t" 320 "pxor %%mm3, %%mm1 \n\t" 321 "psubw %%mm2, %%mm0 \n\t" 322 "psubw %%mm3, %%mm1 \n\t" 323 "pandn %%mm0, %%mm4 \n\t" 324 "pandn %%mm1, %%mm5 \n\t" 325 "movq %%mm4, (%0, %%"REG_a") \n\t" 326 "movq %%mm5, 8(%0, %%"REG_a") \n\t" 327 328 "add $16, %%"REG_a" \n\t" 329 "js 1b \n\t" 330 ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs) 331 : "%"REG_a, "memory" 332 ); 333} 334 335static void dct_unquantize_mpeg2_intra_mmx(MpegEncContext *s, 336 DCTELEM *block, int n, int qscale) 337{ 338 x86_reg nCoeffs; 339 const uint16_t *quant_matrix; 340 int block0; 341 342 assert(s->block_last_index[n]>=0); 343 344 if(s->alternate_scan) nCoeffs= 63; //FIXME 345 else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]; 346 347 if (n < 4) 348 block0 = block[0] * s->y_dc_scale; 349 else 350 block0 = block[0] * s->c_dc_scale; 351 quant_matrix = s->intra_matrix; 352__asm__ volatile( 353 "pcmpeqw %%mm7, %%mm7 \n\t" 354 "psrlw $15, %%mm7 \n\t" 355 "movd %2, %%mm6 \n\t" 356 "packssdw %%mm6, %%mm6 \n\t" 357 "packssdw %%mm6, %%mm6 \n\t" 358 "mov %3, %%"REG_a" \n\t" 359 ASMALIGN(4) 360 "1: \n\t" 361 "movq (%0, %%"REG_a"), %%mm0 \n\t" 362 "movq 8(%0, %%"REG_a"), %%mm1 \n\t" 363 "movq (%1, %%"REG_a"), %%mm4 \n\t" 364 "movq 8(%1, %%"REG_a"), %%mm5 \n\t" 365 "pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i] 366 "pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i] 367 "pxor %%mm2, %%mm2 \n\t" 368 "pxor %%mm3, %%mm3 \n\t" 369 "pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 370 "pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 371 "pxor %%mm2, %%mm0 \n\t" 372 "pxor %%mm3, %%mm1 \n\t" 373 "psubw %%mm2, %%mm0 \n\t" // abs(block[i]) 374 "psubw %%mm3, %%mm1 \n\t" // abs(block[i]) 375 "pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*q 376 "pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*q 377 "pxor %%mm4, %%mm4 \n\t" 378 "pxor %%mm5, %%mm5 \n\t" // FIXME slow 379 "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 380 "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0 381 "psraw $3, %%mm0 \n\t" 382 "psraw $3, %%mm1 \n\t" 383 "pxor %%mm2, %%mm0 \n\t" 384 "pxor %%mm3, %%mm1 \n\t" 385 "psubw %%mm2, %%mm0 \n\t" 386 "psubw %%mm3, %%mm1 \n\t" 387 "pandn %%mm0, %%mm4 \n\t" 388 "pandn %%mm1, %%mm5 \n\t" 389 "movq %%mm4, (%0, %%"REG_a") \n\t" 390 "movq %%mm5, 8(%0, %%"REG_a") \n\t" 391 392 "add $16, %%"REG_a" \n\t" 393 "jng 1b \n\t" 394 ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs) 395 : "%"REG_a, "memory" 396 ); 397 block[0]= block0; 398 //Note, we do not do mismatch control for intra as errors cannot accumulate 399} 400 401static void dct_unquantize_mpeg2_inter_mmx(MpegEncContext *s, 402 DCTELEM *block, int n, int qscale) 403{ 404 x86_reg nCoeffs; 405 const uint16_t *quant_matrix; 406 407 assert(s->block_last_index[n]>=0); 408 409 if(s->alternate_scan) nCoeffs= 63; //FIXME 410 else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]; 411 412 quant_matrix = s->inter_matrix; 413__asm__ volatile( 414 "pcmpeqw %%mm7, %%mm7 \n\t" 415 "psrlq $48, %%mm7 \n\t" 416 "movd %2, %%mm6 \n\t" 417 "packssdw %%mm6, %%mm6 \n\t" 418 "packssdw %%mm6, %%mm6 \n\t" 419 "mov %3, %%"REG_a" \n\t" 420 ASMALIGN(4) 421 "1: \n\t" 422 "movq (%0, %%"REG_a"), %%mm0 \n\t" 423 "movq 8(%0, %%"REG_a"), %%mm1 \n\t" 424 "movq (%1, %%"REG_a"), %%mm4 \n\t" 425 "movq 8(%1, %%"REG_a"), %%mm5 \n\t" 426 "pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i] 427 "pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i] 428 "pxor %%mm2, %%mm2 \n\t" 429 "pxor %%mm3, %%mm3 \n\t" 430 "pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 431 "pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 432 "pxor %%mm2, %%mm0 \n\t" 433 "pxor %%mm3, %%mm1 \n\t" 434 "psubw %%mm2, %%mm0 \n\t" // abs(block[i]) 435 "psubw %%mm3, %%mm1 \n\t" // abs(block[i]) 436 "paddw %%mm0, %%mm0 \n\t" // abs(block[i])*2 437 "paddw %%mm1, %%mm1 \n\t" // abs(block[i])*2 438 "pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*2*q 439 "pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*2*q 440 "paddw %%mm4, %%mm0 \n\t" // (abs(block[i])*2 + 1)*q 441 "paddw %%mm5, %%mm1 \n\t" // (abs(block[i])*2 + 1)*q 442 "pxor %%mm4, %%mm4 \n\t" 443 "pxor %%mm5, %%mm5 \n\t" // FIXME slow 444 "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 445 "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0 446 "psrlw $4, %%mm0 \n\t" 447 "psrlw $4, %%mm1 \n\t" 448 "pxor %%mm2, %%mm0 \n\t" 449 "pxor %%mm3, %%mm1 \n\t" 450 "psubw %%mm2, %%mm0 \n\t" 451 "psubw %%mm3, %%mm1 \n\t" 452 "pandn %%mm0, %%mm4 \n\t" 453 "pandn %%mm1, %%mm5 \n\t" 454 "pxor %%mm4, %%mm7 \n\t" 455 "pxor %%mm5, %%mm7 \n\t" 456 "movq %%mm4, (%0, %%"REG_a") \n\t" 457 "movq %%mm5, 8(%0, %%"REG_a") \n\t" 458 459 "add $16, %%"REG_a" \n\t" 460 "jng 1b \n\t" 461 "movd 124(%0, %3), %%mm0 \n\t" 462 "movq %%mm7, %%mm6 \n\t" 463 "psrlq $32, %%mm7 \n\t" 464 "pxor %%mm6, %%mm7 \n\t" 465 "movq %%mm7, %%mm6 \n\t" 466 "psrlq $16, %%mm7 \n\t" 467 "pxor %%mm6, %%mm7 \n\t" 468 "pslld $31, %%mm7 \n\t" 469 "psrlq $15, %%mm7 \n\t" 470 "pxor %%mm7, %%mm0 \n\t" 471 "movd %%mm0, 124(%0, %3) \n\t" 472 473 ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "r" (-2*nCoeffs) 474 : "%"REG_a, "memory" 475 ); 476} 477 478static void denoise_dct_mmx(MpegEncContext *s, DCTELEM *block){ 479 const int intra= s->mb_intra; 480 int *sum= s->dct_error_sum[intra]; 481 uint16_t *offset= s->dct_offset[intra]; 482 483 s->dct_count[intra]++; 484 485 __asm__ volatile( 486 "pxor %%mm7, %%mm7 \n\t" 487 "1: \n\t" 488 "pxor %%mm0, %%mm0 \n\t" 489 "pxor %%mm1, %%mm1 \n\t" 490 "movq (%0), %%mm2 \n\t" 491 "movq 8(%0), %%mm3 \n\t" 492 "pcmpgtw %%mm2, %%mm0 \n\t" 493 "pcmpgtw %%mm3, %%mm1 \n\t" 494 "pxor %%mm0, %%mm2 \n\t" 495 "pxor %%mm1, %%mm3 \n\t" 496 "psubw %%mm0, %%mm2 \n\t" 497 "psubw %%mm1, %%mm3 \n\t" 498 "movq %%mm2, %%mm4 \n\t" 499 "movq %%mm3, %%mm5 \n\t" 500 "psubusw (%2), %%mm2 \n\t" 501 "psubusw 8(%2), %%mm3 \n\t" 502 "pxor %%mm0, %%mm2 \n\t" 503 "pxor %%mm1, %%mm3 \n\t" 504 "psubw %%mm0, %%mm2 \n\t" 505 "psubw %%mm1, %%mm3 \n\t" 506 "movq %%mm2, (%0) \n\t" 507 "movq %%mm3, 8(%0) \n\t" 508 "movq %%mm4, %%mm2 \n\t" 509 "movq %%mm5, %%mm3 \n\t" 510 "punpcklwd %%mm7, %%mm4 \n\t" 511 "punpckhwd %%mm7, %%mm2 \n\t" 512 "punpcklwd %%mm7, %%mm5 \n\t" 513 "punpckhwd %%mm7, %%mm3 \n\t" 514 "paddd (%1), %%mm4 \n\t" 515 "paddd 8(%1), %%mm2 \n\t" 516 "paddd 16(%1), %%mm5 \n\t" 517 "paddd 24(%1), %%mm3 \n\t" 518 "movq %%mm4, (%1) \n\t" 519 "movq %%mm2, 8(%1) \n\t" 520 "movq %%mm5, 16(%1) \n\t" 521 "movq %%mm3, 24(%1) \n\t" 522 "add $16, %0 \n\t" 523 "add $32, %1 \n\t" 524 "add $16, %2 \n\t" 525 "cmp %3, %0 \n\t" 526 " jb 1b \n\t" 527 : "+r" (block), "+r" (sum), "+r" (offset) 528 : "r"(block+64) 529 ); 530} 531 532static void denoise_dct_sse2(MpegEncContext *s, DCTELEM *block){ 533 const int intra= s->mb_intra; 534 int *sum= s->dct_error_sum[intra]; 535 uint16_t *offset= s->dct_offset[intra]; 536 537 s->dct_count[intra]++; 538 539 __asm__ volatile( 540 "pxor %%xmm7, %%xmm7 \n\t" 541 "1: \n\t" 542 "pxor %%xmm0, %%xmm0 \n\t" 543 "pxor %%xmm1, %%xmm1 \n\t" 544 "movdqa (%0), %%xmm2 \n\t" 545 "movdqa 16(%0), %%xmm3 \n\t" 546 "pcmpgtw %%xmm2, %%xmm0 \n\t" 547 "pcmpgtw %%xmm3, %%xmm1 \n\t" 548 "pxor %%xmm0, %%xmm2 \n\t" 549 "pxor %%xmm1, %%xmm3 \n\t" 550 "psubw %%xmm0, %%xmm2 \n\t" 551 "psubw %%xmm1, %%xmm3 \n\t" 552 "movdqa %%xmm2, %%xmm4 \n\t" 553 "movdqa %%xmm3, %%xmm5 \n\t" 554 "psubusw (%2), %%xmm2 \n\t" 555 "psubusw 16(%2), %%xmm3 \n\t" 556 "pxor %%xmm0, %%xmm2 \n\t" 557 "pxor %%xmm1, %%xmm3 \n\t" 558 "psubw %%xmm0, %%xmm2 \n\t" 559 "psubw %%xmm1, %%xmm3 \n\t" 560 "movdqa %%xmm2, (%0) \n\t" 561 "movdqa %%xmm3, 16(%0) \n\t" 562 "movdqa %%xmm4, %%xmm6 \n\t" 563 "movdqa %%xmm5, %%xmm0 \n\t" 564 "punpcklwd %%xmm7, %%xmm4 \n\t" 565 "punpckhwd %%xmm7, %%xmm6 \n\t" 566 "punpcklwd %%xmm7, %%xmm5 \n\t" 567 "punpckhwd %%xmm7, %%xmm0 \n\t" 568 "paddd (%1), %%xmm4 \n\t" 569 "paddd 16(%1), %%xmm6 \n\t" 570 "paddd 32(%1), %%xmm5 \n\t" 571 "paddd 48(%1), %%xmm0 \n\t" 572 "movdqa %%xmm4, (%1) \n\t" 573 "movdqa %%xmm6, 16(%1) \n\t" 574 "movdqa %%xmm5, 32(%1) \n\t" 575 "movdqa %%xmm0, 48(%1) \n\t" 576 "add $32, %0 \n\t" 577 "add $64, %1 \n\t" 578 "add $32, %2 \n\t" 579 "cmp %3, %0 \n\t" 580 " jb 1b \n\t" 581 : "+r" (block), "+r" (sum), "+r" (offset) 582 : "r"(block+64) 583 ); 584} 585 586#if HAVE_SSSE3 587#define HAVE_SSSE3_BAK 588#endif 589#undef HAVE_SSSE3 590#define HAVE_SSSE3 0 591 592#undef HAVE_SSE2 593#undef HAVE_MMX2 594#define HAVE_SSE2 0 595#define HAVE_MMX2 0 596#define RENAME(a) a ## _MMX 597#define RENAMEl(a) a ## _mmx 598#include "mpegvideo_mmx_template.c" 599 600#undef HAVE_MMX2 601#define HAVE_MMX2 1 602#undef RENAME 603#undef RENAMEl 604#define RENAME(a) a ## _MMX2 605#define RENAMEl(a) a ## _mmx2 606#include "mpegvideo_mmx_template.c" 607 608#undef HAVE_SSE2 609#define HAVE_SSE2 1 610#undef RENAME 611#undef RENAMEl 612#define RENAME(a) a ## _SSE2 613#define RENAMEl(a) a ## _sse2 614#include "mpegvideo_mmx_template.c" 615 616#ifdef HAVE_SSSE3_BAK 617#undef HAVE_SSSE3 618#define HAVE_SSSE3 1 619#undef RENAME 620#undef RENAMEl 621#define RENAME(a) a ## _SSSE3 622#define RENAMEl(a) a ## _sse2 623#include "mpegvideo_mmx_template.c" 624#endif 625 626void MPV_common_init_mmx(MpegEncContext *s) 627{ 628 if (mm_flags & FF_MM_MMX) { 629 const int dct_algo = s->avctx->dct_algo; 630 631 s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_mmx; 632 s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_mmx; 633 s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_mmx; 634 s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_mmx; 635 if(!(s->flags & CODEC_FLAG_BITEXACT)) 636 s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_mmx; 637 s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx; 638 639 if (mm_flags & FF_MM_SSE2) { 640 s->denoise_dct= denoise_dct_sse2; 641 } else { 642 s->denoise_dct= denoise_dct_mmx; 643 } 644 645 if(dct_algo==FF_DCT_AUTO || dct_algo==FF_DCT_MMX){ 646#if HAVE_SSSE3 647 if(mm_flags & FF_MM_SSSE3){ 648 s->dct_quantize= dct_quantize_SSSE3; 649 } else 650#endif 651 if(mm_flags & FF_MM_SSE2){ 652 s->dct_quantize= dct_quantize_SSE2; 653 } else if(mm_flags & FF_MM_MMXEXT){ 654 s->dct_quantize= dct_quantize_MMX2; 655 } else { 656 s->dct_quantize= dct_quantize_MMX; 657 } 658 } 659 } 660} 661