| 1 | /* |
| 2 | * Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at> |
| 3 | * Copyright (C) 2005 Nikolaj Poroshin <porosh3@psu.ru> |
| 4 | * |
| 5 | * This file is part of MPlayer. |
| 6 | * |
| 7 | * MPlayer is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * MPlayer is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with MPlayer; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This implementation is based on an algorithm described in |
| 24 | * "Aria Nosratinia Embedded Post-Processing for |
| 25 | * Enhancement of Compressed Images (1999)" |
| 26 | * (http://citeseer.nj.nec.com/nosratinia99embedded.html) |
| 27 | * Further, with splitting (i)dct into hor/ver passes, one of them can be |
| 28 | * performed once per block, not pixel. This allows for much better speed. |
| 29 | */ |
| 30 | |
| 31 | /* |
| 32 | Heavily optimized version of SPP filter by Nikolaj |
| 33 | */ |
| 34 | |
| 35 | #include <stdio.h> |
| 36 | #include <stdlib.h> |
| 37 | #include <string.h> |
| 38 | #include <inttypes.h> |
| 39 | #include <math.h> |
| 40 | |
| 41 | #include "config.h" |
| 42 | |
| 43 | #include "mp_msg.h" |
| 44 | #include "cpudetect.h" |
| 45 | #include "img_format.h" |
| 46 | #include "mp_image.h" |
| 47 | #include "vf.h" |
| 48 | #include "av_helpers.h" |
| 49 | #include "libvo/fastmemcpy.h" |
| 50 | |
| 51 | #include "libavutil/internal.h" |
| 52 | #include "libavutil/intreadwrite.h" |
| 53 | #include "libavutil/mem.h" |
| 54 | #include "libavutil/x86/asm.h" |
| 55 | #include "libavcodec/avcodec.h" |
| 56 | |
| 57 | #undef free |
| 58 | #undef malloc |
| 59 | |
| 60 | //===========================================================================// |
| 61 | #define BLOCKSZ 12 |
| 62 | |
| 63 | static const short custom_threshold[64]= |
| 64 | // values (296) can't be too high |
| 65 | // -it causes too big quant dependence |
| 66 | // or maybe overflow(check), which results in some flashing |
| 67 | { 71, 296, 295, 237, 71, 40, 38, 19, |
| 68 | 245, 193, 185, 121, 102, 73, 53, 27, |
| 69 | 158, 129, 141, 107, 97, 73, 50, 26, |
| 70 | 102, 116, 109, 98, 82, 66, 45, 23, |
| 71 | 71, 94, 95, 81, 70, 56, 38, 20, |
| 72 | 56, 77, 74, 66, 56, 44, 30, 15, |
| 73 | 38, 53, 50, 45, 38, 30, 21, 11, |
| 74 | 20, 27, 26, 23, 20, 15, 11, 5 |
| 75 | }; |
| 76 | |
| 77 | DECLARE_ALIGNED(32, static const uint8_t, dither)[8][8] = { |
| 78 | { 0, 48, 12, 60, 3, 51, 15, 63, }, |
| 79 | { 32, 16, 44, 28, 35, 19, 47, 31, }, |
| 80 | { 8, 56, 4, 52, 11, 59, 7, 55, }, |
| 81 | { 40, 24, 36, 20, 43, 27, 39, 23, }, |
| 82 | { 2, 50, 14, 62, 1, 49, 13, 61, }, |
| 83 | { 34, 18, 46, 30, 33, 17, 45, 29, }, |
| 84 | { 10, 58, 6, 54, 9, 57, 5, 53, }, |
| 85 | { 42, 26, 38, 22, 41, 25, 37, 21, }, |
| 86 | }; |
| 87 | |
| 88 | struct vf_priv_s { //align 16 ! |
| 89 | uint64_t threshold_mtx_noq[8*2]; |
| 90 | uint64_t threshold_mtx[8*2];//used in both C & MMX (& later SSE2) versions |
| 91 | |
| 92 | int log2_count; |
| 93 | int temp_stride; |
| 94 | int qp; |
| 95 | int mpeg2; |
| 96 | int prev_q; |
| 97 | uint8_t *src; |
| 98 | int16_t *temp; |
| 99 | int bframes; |
| 100 | char *non_b_qp; |
| 101 | }; |
| 102 | |
| 103 | |
| 104 | #if !HAVE_MMX |
| 105 | |
| 106 | //This func reads from 1 slice, 1 and clears 0 & 1 |
| 107 | static void store_slice_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale) |
| 108 | {int y, x; |
| 109 | #define STORE(pos) \ |
| 110 | temp= (src[x + pos] + (d[pos]>>log2_scale))>>(6-log2_scale); \ |
| 111 | src[x + pos]=src[x + pos - 8*src_stride]=0; \ |
| 112 | if(temp & 0x100) temp= ~(temp>>31); \ |
| 113 | dst[x + pos]= temp; |
| 114 | |
| 115 | for(y=0; y<height; y++){ |
| 116 | const uint8_t *d= dither[y]; |
| 117 | for(x=0; x<width; x+=8){ |
| 118 | int temp; |
| 119 | STORE(0); |
| 120 | STORE(1); |
| 121 | STORE(2); |
| 122 | STORE(3); |
| 123 | STORE(4); |
| 124 | STORE(5); |
| 125 | STORE(6); |
| 126 | STORE(7); |
| 127 | } |
| 128 | src+=src_stride; |
| 129 | dst+=dst_stride; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | //This func reads from 2 slices, 0 & 2 and clears 2-nd |
| 134 | static void store_slice2_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale) |
| 135 | {int y, x; |
| 136 | #define STORE2(pos) \ |
| 137 | temp= (src[x + pos] + src[x + pos + 16*src_stride] + (d[pos]>>log2_scale))>>(6-log2_scale); \ |
| 138 | src[x + pos + 16*src_stride]=0; \ |
| 139 | if(temp & 0x100) temp= ~(temp>>31); \ |
| 140 | dst[x + pos]= temp; |
| 141 | |
| 142 | for(y=0; y<height; y++){ |
| 143 | const uint8_t *d= dither[y]; |
| 144 | for(x=0; x<width; x+=8){ |
| 145 | int temp; |
| 146 | STORE2(0); |
| 147 | STORE2(1); |
| 148 | STORE2(2); |
| 149 | STORE2(3); |
| 150 | STORE2(4); |
| 151 | STORE2(5); |
| 152 | STORE2(6); |
| 153 | STORE2(7); |
| 154 | } |
| 155 | src+=src_stride; |
| 156 | dst+=dst_stride; |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | static void mul_thrmat_c(struct vf_priv_s *p,int q) |
| 161 | { |
| 162 | int a; |
| 163 | for(a=0;a<64;a++) |
| 164 | ((short*)p->threshold_mtx)[a]=q * ((short*)p->threshold_mtx_noq)[a];//ints faster in C |
| 165 | } |
| 166 | |
| 167 | static void column_fidct_c(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt); |
| 168 | static void row_idct_c(int16_t* workspace, |
| 169 | int16_t* output_adr, int output_stride, int cnt); |
| 170 | static void row_fdct_c(int16_t *data, const uint8_t *pixels, int line_size, int cnt); |
| 171 | |
| 172 | //this is rather ugly, but there is no need for function pointers |
| 173 | #define store_slice_s store_slice_c |
| 174 | #define store_slice2_s store_slice2_c |
| 175 | #define mul_thrmat_s mul_thrmat_c |
| 176 | #define column_fidct_s column_fidct_c |
| 177 | #define row_idct_s row_idct_c |
| 178 | #define row_fdct_s row_fdct_c |
| 179 | |
| 180 | #else /* HAVE_MMX */ |
| 181 | |
| 182 | //This func reads from 1 slice, 1 and clears 0 & 1 |
| 183 | static void store_slice_mmx(uint8_t *dst, int16_t *src, long dst_stride, long src_stride, long width, long height, long log2_scale) |
| 184 | { |
| 185 | const uint8_t *od=&dither[0][0]; |
| 186 | const uint8_t *end=&dither[height][0]; |
| 187 | width = (width+7)&~7; |
| 188 | dst_stride-=width; |
| 189 | //src_stride=(src_stride-width)*2; |
| 190 | __asm__ volatile( |
| 191 | "mov %5, %%"REG_d" \n\t" |
| 192 | "mov %6, %%"REG_S" \n\t" |
| 193 | "mov %7, %%"REG_D" \n\t" |
| 194 | "mov %1, %%"REG_a" \n\t" |
| 195 | "movd %%"REG_d", %%mm5 \n\t" |
| 196 | "xor $-1, %%"REG_d" \n\t" |
| 197 | "mov %%"REG_a", %%"REG_c" \n\t" |
| 198 | "add $7, %%"REG_d" \n\t" |
| 199 | "neg %%"REG_a" \n\t" |
| 200 | "sub %0, %%"REG_c" \n\t" |
| 201 | "add %%"REG_c", %%"REG_c" \n\t" |
| 202 | "movd %%"REG_d", %%mm2 \n\t" |
| 203 | "mov %%"REG_c", %1 \n\t" |
| 204 | "mov %2, %%"REG_d" \n\t" |
| 205 | "shl $4, %%"REG_a" \n\t" |
| 206 | |
| 207 | "2: \n\t" |
| 208 | "movq (%%"REG_d"), %%mm3 \n\t" |
| 209 | "movq %%mm3, %%mm4 \n\t" |
| 210 | "pxor %%mm7, %%mm7 \n\t" |
| 211 | "punpcklbw %%mm7, %%mm3 \n\t" |
| 212 | "punpckhbw %%mm7, %%mm4 \n\t" |
| 213 | "mov %0, %%"REG_c" \n\t" |
| 214 | "psraw %%mm5, %%mm3 \n\t" |
| 215 | "psraw %%mm5, %%mm4 \n\t" |
| 216 | "1: \n\t" |
| 217 | "movq %%mm7, (%%"REG_S",%%"REG_a") \n\t" |
| 218 | "movq (%%"REG_S"), %%mm0 \n\t" |
| 219 | "movq 8(%%"REG_S"), %%mm1 \n\t" |
| 220 | |
| 221 | "movq %%mm7, 8(%%"REG_S",%%"REG_a") \n\t" |
| 222 | "paddw %%mm3, %%mm0 \n\t" |
| 223 | "paddw %%mm4, %%mm1 \n\t" |
| 224 | |
| 225 | "movq %%mm7, (%%"REG_S") \n\t" |
| 226 | "psraw %%mm2, %%mm0 \n\t" |
| 227 | "psraw %%mm2, %%mm1 \n\t" |
| 228 | |
| 229 | "movq %%mm7, 8(%%"REG_S") \n\t" |
| 230 | "packuswb %%mm1, %%mm0 \n\t" |
| 231 | "add $16, %%"REG_S" \n\t" |
| 232 | |
| 233 | "movq %%mm0, (%%"REG_D") \n\t" |
| 234 | "add $8, %%"REG_D" \n\t" |
| 235 | "sub $8, %%"REG_c" \n\t" |
| 236 | "jg 1b \n\t" |
| 237 | "add %1, %%"REG_S" \n\t" |
| 238 | "add $8, %%"REG_d" \n\t" |
| 239 | "add %3, %%"REG_D" \n\t" |
| 240 | "cmp %4, %%"REG_d" \n\t" |
| 241 | "jl 2b \n\t" |
| 242 | |
| 243 | : |
| 244 | : "m" (width), "m" (src_stride), "erm" (od), "m" (dst_stride), "erm" (end), |
| 245 | "m" (log2_scale), "m" (src), "m" (dst) //input |
| 246 | : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D |
| 247 | ); |
| 248 | } |
| 249 | |
| 250 | //This func reads from 2 slices, 0 & 2 and clears 2-nd |
| 251 | static void store_slice2_mmx(uint8_t *dst, int16_t *src, long dst_stride, long src_stride, long width, long height, long log2_scale) |
| 252 | { |
| 253 | const uint8_t *od=&dither[0][0]; |
| 254 | const uint8_t *end=&dither[height][0]; |
| 255 | width = (width+7)&~7; |
| 256 | dst_stride-=width; |
| 257 | //src_stride=(src_stride-width)*2; |
| 258 | __asm__ volatile( |
| 259 | "mov %5, %%"REG_d" \n\t" |
| 260 | "mov %6, %%"REG_S" \n\t" |
| 261 | "mov %7, %%"REG_D" \n\t" |
| 262 | "mov %1, %%"REG_a" \n\t" |
| 263 | "movd %%"REG_d", %%mm5 \n\t" |
| 264 | "xor $-1, %%"REG_d" \n\t" |
| 265 | "mov %%"REG_a", %%"REG_c" \n\t" |
| 266 | "add $7, %%"REG_d" \n\t" |
| 267 | "sub %0, %%"REG_c" \n\t" |
| 268 | "add %%"REG_c", %%"REG_c" \n\t" |
| 269 | "movd %%"REG_d", %%mm2 \n\t" |
| 270 | "mov %%"REG_c", %1 \n\t" |
| 271 | "mov %2, %%"REG_d" \n\t" |
| 272 | "shl $5, %%"REG_a" \n\t" |
| 273 | |
| 274 | "2: \n\t" |
| 275 | "movq (%%"REG_d"), %%mm3 \n\t" |
| 276 | "movq %%mm3, %%mm4 \n\t" |
| 277 | "pxor %%mm7, %%mm7 \n\t" |
| 278 | "punpcklbw %%mm7, %%mm3 \n\t" |
| 279 | "punpckhbw %%mm7, %%mm4 \n\t" |
| 280 | "mov %0, %%"REG_c" \n\t" |
| 281 | "psraw %%mm5, %%mm3 \n\t" |
| 282 | "psraw %%mm5, %%mm4 \n\t" |
| 283 | "1: \n\t" |
| 284 | "movq (%%"REG_S"), %%mm0 \n\t" |
| 285 | "movq 8(%%"REG_S"), %%mm1 \n\t" |
| 286 | "paddw %%mm3, %%mm0 \n\t" |
| 287 | |
| 288 | "paddw (%%"REG_S",%%"REG_a"), %%mm0 \n\t" |
| 289 | "paddw %%mm4, %%mm1 \n\t" |
| 290 | "movq 8(%%"REG_S",%%"REG_a"), %%mm6 \n\t" |
| 291 | |
| 292 | "movq %%mm7, (%%"REG_S",%%"REG_a") \n\t" |
| 293 | "psraw %%mm2, %%mm0 \n\t" |
| 294 | "paddw %%mm6, %%mm1 \n\t" |
| 295 | |
| 296 | "movq %%mm7, 8(%%"REG_S",%%"REG_a") \n\t" |
| 297 | "psraw %%mm2, %%mm1 \n\t" |
| 298 | "packuswb %%mm1, %%mm0 \n\t" |
| 299 | |
| 300 | "movq %%mm0, (%%"REG_D") \n\t" |
| 301 | "add $16, %%"REG_S" \n\t" |
| 302 | "add $8, %%"REG_D" \n\t" |
| 303 | "sub $8, %%"REG_c" \n\t" |
| 304 | "jg 1b \n\t" |
| 305 | "add %1, %%"REG_S" \n\t" |
| 306 | "add $8, %%"REG_d" \n\t" |
| 307 | "add %3, %%"REG_D" \n\t" |
| 308 | "cmp %4, %%"REG_d" \n\t" |
| 309 | "jl 2b \n\t" |
| 310 | |
| 311 | : |
| 312 | : "m" (width), "m" (src_stride), "erm" (od), "m" (dst_stride), "erm" (end), |
| 313 | "m" (log2_scale), "m" (src), "m" (dst) //input |
| 314 | : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_D, "%"REG_S |
| 315 | ); |
| 316 | } |
| 317 | |
| 318 | static void mul_thrmat_mmx(struct vf_priv_s *p, int q) |
| 319 | { |
| 320 | uint64_t *adr=&p->threshold_mtx_noq[0]; |
| 321 | __asm__ volatile( |
| 322 | "movd %0, %%mm7 \n\t" |
| 323 | "add $8*8*2, %%"REG_D" \n\t" |
| 324 | "movq 0*8(%%"REG_S"), %%mm0 \n\t" |
| 325 | "punpcklwd %%mm7, %%mm7 \n\t" |
| 326 | "movq 1*8(%%"REG_S"), %%mm1 \n\t" |
| 327 | "punpckldq %%mm7, %%mm7 \n\t" |
| 328 | "pmullw %%mm7, %%mm0 \n\t" |
| 329 | |
| 330 | "movq 2*8(%%"REG_S"), %%mm2 \n\t" |
| 331 | "pmullw %%mm7, %%mm1 \n\t" |
| 332 | |
| 333 | "movq 3*8(%%"REG_S"), %%mm3 \n\t" |
| 334 | "pmullw %%mm7, %%mm2 \n\t" |
| 335 | |
| 336 | "movq %%mm0, 0*8(%%"REG_D") \n\t" |
| 337 | "movq 4*8(%%"REG_S"), %%mm4 \n\t" |
| 338 | "pmullw %%mm7, %%mm3 \n\t" |
| 339 | |
| 340 | "movq %%mm1, 1*8(%%"REG_D") \n\t" |
| 341 | "movq 5*8(%%"REG_S"), %%mm5 \n\t" |
| 342 | "pmullw %%mm7, %%mm4 \n\t" |
| 343 | |
| 344 | "movq %%mm2, 2*8(%%"REG_D") \n\t" |
| 345 | "movq 6*8(%%"REG_S"), %%mm6 \n\t" |
| 346 | "pmullw %%mm7, %%mm5 \n\t" |
| 347 | |
| 348 | "movq %%mm3, 3*8(%%"REG_D") \n\t" |
| 349 | "movq 7*8+0*8(%%"REG_S"), %%mm0 \n\t" |
| 350 | "pmullw %%mm7, %%mm6 \n\t" |
| 351 | |
| 352 | "movq %%mm4, 4*8(%%"REG_D") \n\t" |
| 353 | "movq 7*8+1*8(%%"REG_S"), %%mm1 \n\t" |
| 354 | "pmullw %%mm7, %%mm0 \n\t" |
| 355 | |
| 356 | "movq %%mm5, 5*8(%%"REG_D") \n\t" |
| 357 | "movq 7*8+2*8(%%"REG_S"), %%mm2 \n\t" |
| 358 | "pmullw %%mm7, %%mm1 \n\t" |
| 359 | |
| 360 | "movq %%mm6, 6*8(%%"REG_D") \n\t" |
| 361 | "movq 7*8+3*8(%%"REG_S"), %%mm3 \n\t" |
| 362 | "pmullw %%mm7, %%mm2 \n\t" |
| 363 | |
| 364 | "movq %%mm0, 7*8+0*8(%%"REG_D") \n\t" |
| 365 | "movq 7*8+4*8(%%"REG_S"), %%mm4 \n\t" |
| 366 | "pmullw %%mm7, %%mm3 \n\t" |
| 367 | |
| 368 | "movq %%mm1, 7*8+1*8(%%"REG_D") \n\t" |
| 369 | "movq 7*8+5*8(%%"REG_S"), %%mm5 \n\t" |
| 370 | "pmullw %%mm7, %%mm4 \n\t" |
| 371 | |
| 372 | "movq %%mm2, 7*8+2*8(%%"REG_D") \n\t" |
| 373 | "movq 7*8+6*8(%%"REG_S"), %%mm6 \n\t" |
| 374 | "pmullw %%mm7, %%mm5 \n\t" |
| 375 | |
| 376 | "movq %%mm3, 7*8+3*8(%%"REG_D") \n\t" |
| 377 | "movq 14*8+0*8(%%"REG_S"), %%mm0 \n\t" |
| 378 | "pmullw %%mm7, %%mm6 \n\t" |
| 379 | |
| 380 | "movq %%mm4, 7*8+4*8(%%"REG_D") \n\t" |
| 381 | "movq 14*8+1*8(%%"REG_S"), %%mm1 \n\t" |
| 382 | "pmullw %%mm7, %%mm0 \n\t" |
| 383 | |
| 384 | "movq %%mm5, 7*8+5*8(%%"REG_D") \n\t" |
| 385 | "pmullw %%mm7, %%mm1 \n\t" |
| 386 | |
| 387 | "movq %%mm6, 7*8+6*8(%%"REG_D") \n\t" |
| 388 | "movq %%mm0, 14*8+0*8(%%"REG_D") \n\t" |
| 389 | "movq %%mm1, 14*8+1*8(%%"REG_D") \n\t" |
| 390 | |
| 391 | : "+g" (q), "+S" (adr), "+D" (adr) |
| 392 | : |
| 393 | ); |
| 394 | } |
| 395 | |
| 396 | static void column_fidct_mmx(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt); |
| 397 | static void row_idct_mmx(int16_t* workspace, |
| 398 | int16_t* output_adr, int output_stride, int cnt); |
| 399 | static void row_fdct_mmx(int16_t *data, const uint8_t *pixels, int line_size, int cnt); |
| 400 | |
| 401 | #define store_slice_s store_slice_mmx |
| 402 | #define store_slice2_s store_slice2_mmx |
| 403 | #define mul_thrmat_s mul_thrmat_mmx |
| 404 | #define column_fidct_s column_fidct_mmx |
| 405 | #define row_idct_s row_idct_mmx |
| 406 | #define row_fdct_s row_fdct_mmx |
| 407 | #endif // HAVE_MMX |
| 408 | |
| 409 | static void filter(struct vf_priv_s *p, uint8_t *dst, uint8_t *src, |
| 410 | int dst_stride, int src_stride, |
| 411 | int width, int height, |
| 412 | uint8_t *qp_store, int qp_stride, int is_luma) |
| 413 | { |
| 414 | int x, x0, y, es, qy, t; |
| 415 | const int stride= is_luma ? p->temp_stride : (width+16);//((width+16+15)&(~15)) |
| 416 | const int step=6-p->log2_count; |
| 417 | const int qps= 3 + is_luma; |
| 418 | DECLARE_ALIGNED(32, int32_t, block_align)[4*8*BLOCKSZ+ 4*8*BLOCKSZ]; |
| 419 | int16_t *block= (int16_t *)block_align; |
| 420 | int16_t *block3=(int16_t *)(block_align+4*8*BLOCKSZ); |
| 421 | |
| 422 | memset(block3, 0, 4*8*BLOCKSZ); |
| 423 | |
| 424 | //p->src=src-src_stride*8-8;//! |
| 425 | if (!src || !dst) return; // HACK avoid crash for Y8 colourspace |
| 426 | for(y=0; y<height; y++){ |
| 427 | int index= 8 + 8*stride + y*stride; |
| 428 | fast_memcpy(p->src + index, src + y*src_stride, width);//this line can be avoided by using DR & user fr.buffers |
| 429 | for(x=0; x<8; x++){ |
| 430 | p->src[index - x - 1]= p->src[index + x ]; |
| 431 | p->src[index + width + x ]= p->src[index + width - x - 1]; |
| 432 | } |
| 433 | } |
| 434 | for(y=0; y<8; y++){ |
| 435 | fast_memcpy(p->src + ( 7-y)*stride, p->src + ( y+8)*stride, stride); |
| 436 | fast_memcpy(p->src + (height+8+y)*stride, p->src + (height-y+7)*stride, stride); |
| 437 | } |
| 438 | //FIXME (try edge emu) |
| 439 | |
| 440 | for(y=8; y<24; y++) |
| 441 | memset(p->temp+ 8 +y*stride, 0,width*sizeof(int16_t)); |
| 442 | |
| 443 | for(y=step; y<height+8; y+=step){ //step= 1,2 |
| 444 | qy=y-4; |
| 445 | if (qy>height-1) qy=height-1; |
| 446 | if (qy<0) qy=0; |
| 447 | qy=(qy>>qps)*qp_stride; |
| 448 | row_fdct_s(block, p->src + y*stride +2-(y&1), stride, 2); |
| 449 | for(x0=0; x0<width+8-8*(BLOCKSZ-1); x0+=8*(BLOCKSZ-1)){ |
| 450 | row_fdct_s(block+8*8, p->src + y*stride+8+x0 +2-(y&1), stride, 2*(BLOCKSZ-1)); |
| 451 | if(p->qp) |
| 452 | column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block+0*8, block3+0*8, 8*(BLOCKSZ-1)); //yes, this is a HOTSPOT |
| 453 | else |
| 454 | for (x=0; x<8*(BLOCKSZ-1); x+=8) { |
| 455 | t=x+x0-2; //correct t=x+x0-2-(y&1), but its the same |
| 456 | if (t<0) t=0;//t always < width-2 |
| 457 | t=qp_store[qy+(t>>qps)]; |
| 458 | t=norm_qscale(t, p->mpeg2); |
| 459 | if (t!=p->prev_q) p->prev_q=t, mul_thrmat_s(p, t); |
| 460 | column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block+x*8, block3+x*8, 8); //yes, this is a HOTSPOT |
| 461 | } |
| 462 | row_idct_s(block3+0*8, p->temp + (y&15)*stride+x0+2-(y&1), stride, 2*(BLOCKSZ-1)); |
| 463 | memmove(block, block+(BLOCKSZ-1)*64, 8*8*sizeof(int16_t)); //cycling |
| 464 | memmove(block3, block3+(BLOCKSZ-1)*64, 6*8*sizeof(int16_t)); |
| 465 | } |
| 466 | // |
| 467 | es=width+8-x0; // 8, ... |
| 468 | if (es>8) |
| 469 | row_fdct_s(block+8*8, p->src + y*stride+8+x0 +2-(y&1), stride, (es-4)>>2); |
| 470 | column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block, block3, es&(~1)); |
| 471 | row_idct_s(block3+0*8, p->temp + (y&15)*stride+x0+2-(y&1), stride, es>>2); |
| 472 | {const int y1=y-8+step;//l5-7 l4-6 |
| 473 | if (!(y1&7) && y1) { |
| 474 | if (y1&8) store_slice_s(dst + (y1-8)*dst_stride, p->temp+ 8 +8*stride, |
| 475 | dst_stride, stride, width, 8, 5-p->log2_count); |
| 476 | else store_slice2_s(dst + (y1-8)*dst_stride, p->temp+ 8 +0*stride, |
| 477 | dst_stride, stride, width, 8, 5-p->log2_count); |
| 478 | } } |
| 479 | } |
| 480 | |
| 481 | if (y&7) { // == height & 7 |
| 482 | if (y&8) store_slice_s(dst + ((y-8)&~7)*dst_stride, p->temp+ 8 +8*stride, |
| 483 | dst_stride, stride, width, y&7, 5-p->log2_count); |
| 484 | else store_slice2_s(dst + ((y-8)&~7)*dst_stride, p->temp+ 8 +0*stride, |
| 485 | dst_stride, stride, width, y&7, 5-p->log2_count); |
| 486 | } |
| 487 | } |
| 488 | |
| 489 | static int config(struct vf_instance *vf, |
| 490 | int width, int height, int d_width, int d_height, |
| 491 | unsigned int flags, unsigned int outfmt) |
| 492 | { |
| 493 | int h= (height+16+15)&(~15); |
| 494 | |
| 495 | vf->priv->temp_stride= (width+16+15)&(~15); |
| 496 | vf->priv->temp= (int16_t*)av_mallocz(vf->priv->temp_stride*3*8*sizeof(int16_t)); |
| 497 | //this can also be avoided, see above |
| 498 | vf->priv->src = (uint8_t*)av_malloc(vf->priv->temp_stride*h*sizeof(uint8_t)); |
| 499 | |
| 500 | return ff_vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); |
| 501 | } |
| 502 | |
| 503 | static void get_image(struct vf_instance *vf, mp_image_t *mpi) |
| 504 | { |
| 505 | if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change |
| 506 | // ok, we can do pp in-place (or pp disabled): |
| 507 | vf->dmpi=ff_vf_get_image(vf->next,mpi->imgfmt, |
| 508 | mpi->type, mpi->flags, mpi->width, mpi->height); |
| 509 | mpi->planes[0]=vf->dmpi->planes[0]; |
| 510 | mpi->stride[0]=vf->dmpi->stride[0]; |
| 511 | mpi->width=vf->dmpi->width; |
| 512 | if(mpi->flags&MP_IMGFLAG_PLANAR){ |
| 513 | mpi->planes[1]=vf->dmpi->planes[1]; |
| 514 | mpi->planes[2]=vf->dmpi->planes[2]; |
| 515 | mpi->stride[1]=vf->dmpi->stride[1]; |
| 516 | mpi->stride[2]=vf->dmpi->stride[2]; |
| 517 | } |
| 518 | mpi->flags|=MP_IMGFLAG_DIRECT; |
| 519 | } |
| 520 | |
| 521 | static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts) |
| 522 | { |
| 523 | mp_image_t *dmpi; |
| 524 | if(!(mpi->flags&MP_IMGFLAG_DIRECT)){ |
| 525 | // no DR, so get a new image! hope we'll get DR buffer: |
| 526 | dmpi=ff_vf_get_image(vf->next,mpi->imgfmt, |
| 527 | MP_IMGTYPE_TEMP, |
| 528 | MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE, |
| 529 | mpi->width,mpi->height); |
| 530 | ff_vf_clone_mpi_attributes(dmpi, mpi); |
| 531 | }else{ |
| 532 | dmpi=vf->dmpi; |
| 533 | } |
| 534 | |
| 535 | vf->priv->mpeg2= mpi->qscale_type; |
| 536 | if(mpi->pict_type != 3 && mpi->qscale && !vf->priv->qp){ |
| 537 | int w = mpi->qstride; |
| 538 | int h = (mpi->h + 15) >> 4; |
| 539 | if (!w) { |
| 540 | w = (mpi->w + 15) >> 4; |
| 541 | h = 1; |
| 542 | } |
| 543 | if(!vf->priv->non_b_qp) |
| 544 | vf->priv->non_b_qp= malloc(w*h); |
| 545 | fast_memcpy(vf->priv->non_b_qp, mpi->qscale, w*h); |
| 546 | } |
| 547 | if(vf->priv->log2_count || !(mpi->flags&MP_IMGFLAG_DIRECT)){ |
| 548 | char *qp_tab= vf->priv->non_b_qp; |
| 549 | if(vf->priv->bframes || !qp_tab) |
| 550 | qp_tab= mpi->qscale; |
| 551 | |
| 552 | if(qp_tab || vf->priv->qp){ |
| 553 | filter(vf->priv, dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], |
| 554 | mpi->w, mpi->h, qp_tab, mpi->qstride, 1); |
| 555 | filter(vf->priv, dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1], |
| 556 | mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0); |
| 557 | filter(vf->priv, dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2], |
| 558 | mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0); |
| 559 | }else{ |
| 560 | memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]); |
| 561 | memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[1], mpi->stride[1]); |
| 562 | memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[2], mpi->stride[2]); |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | #if HAVE_MMX |
| 567 | if(ff_gCpuCaps.hasMMX) __asm__ volatile ("emms\n\t"); |
| 568 | #endif |
| 569 | #if HAVE_MMX2 |
| 570 | if(ff_gCpuCaps.hasMMX2) __asm__ volatile ("sfence\n\t"); |
| 571 | #endif |
| 572 | return ff_vf_next_put_image(vf,dmpi, pts); |
| 573 | } |
| 574 | |
| 575 | static void uninit(struct vf_instance *vf) |
| 576 | { |
| 577 | if(!vf->priv) return; |
| 578 | |
| 579 | av_free(vf->priv->temp); |
| 580 | vf->priv->temp= NULL; |
| 581 | av_free(vf->priv->src); |
| 582 | vf->priv->src= NULL; |
| 583 | //free(vf->priv->avctx); |
| 584 | //vf->priv->avctx= NULL; |
| 585 | free(vf->priv->non_b_qp); |
| 586 | vf->priv->non_b_qp= NULL; |
| 587 | |
| 588 | av_free(vf->priv); |
| 589 | vf->priv=NULL; |
| 590 | } |
| 591 | |
| 592 | //===========================================================================// |
| 593 | |
| 594 | static int query_format(struct vf_instance *vf, unsigned int fmt) |
| 595 | { |
| 596 | switch(fmt){ |
| 597 | case IMGFMT_YVU9: |
| 598 | case IMGFMT_IF09: |
| 599 | case IMGFMT_YV12: |
| 600 | case IMGFMT_I420: |
| 601 | case IMGFMT_IYUV: |
| 602 | case IMGFMT_CLPL: |
| 603 | case IMGFMT_Y800: |
| 604 | case IMGFMT_Y8: |
| 605 | case IMGFMT_444P: |
| 606 | case IMGFMT_422P: |
| 607 | case IMGFMT_411P: |
| 608 | return ff_vf_next_query_format(vf,fmt); |
| 609 | } |
| 610 | return 0; |
| 611 | } |
| 612 | |
| 613 | static int control(struct vf_instance *vf, int request, void* data) |
| 614 | { |
| 615 | switch(request){ |
| 616 | case VFCTRL_QUERY_MAX_PP_LEVEL: |
| 617 | return 5; |
| 618 | case VFCTRL_SET_PP_LEVEL: |
| 619 | vf->priv->log2_count= *((unsigned int*)data); |
| 620 | if (vf->priv->log2_count < 4) vf->priv->log2_count=4; |
| 621 | return CONTROL_TRUE; |
| 622 | } |
| 623 | return ff_vf_next_control(vf,request,data); |
| 624 | } |
| 625 | |
| 626 | static int vf_open(vf_instance_t *vf, char *args) |
| 627 | { |
| 628 | int i=0, bias; |
| 629 | int custom_threshold_m[64]; |
| 630 | int log2c=-1; |
| 631 | |
| 632 | vf->config=config; |
| 633 | vf->put_image=put_image; |
| 634 | vf->get_image=get_image; |
| 635 | vf->query_format=query_format; |
| 636 | vf->uninit=uninit; |
| 637 | vf->control= control; |
| 638 | vf->priv=av_mallocz(sizeof(struct vf_priv_s));//assumes align 16 ! |
| 639 | |
| 640 | ff_init_avcodec(); |
| 641 | |
| 642 | //vf->priv->avctx= avcodec_alloc_context(); |
| 643 | //dsputil_init(&vf->priv->dsp, vf->priv->avctx); |
| 644 | |
| 645 | vf->priv->log2_count= 4; |
| 646 | vf->priv->bframes = 0; |
| 647 | |
| 648 | if (args) sscanf(args, "%d:%d:%d:%d", &log2c, &vf->priv->qp, &i, &vf->priv->bframes); |
| 649 | |
| 650 | if( log2c >=4 && log2c <=5 ) |
| 651 | vf->priv->log2_count = log2c; |
| 652 | else if( log2c >= 6 ) |
| 653 | vf->priv->log2_count = 5; |
| 654 | |
| 655 | if(vf->priv->qp < 0) |
| 656 | vf->priv->qp = 0; |
| 657 | |
| 658 | if (i < -15) i = -15; |
| 659 | if (i > 32) i = 32; |
| 660 | |
| 661 | bias= (1<<4)+i; //regulable |
| 662 | vf->priv->prev_q=0; |
| 663 | // |
| 664 | for(i=0;i<64;i++) //FIXME: tune custom_threshold[] and remove this ! |
| 665 | custom_threshold_m[i]=(int)(custom_threshold[i]*(bias/71.)+ 0.5); |
| 666 | for(i=0;i<8;i++){ |
| 667 | vf->priv->threshold_mtx_noq[2*i]=(uint64_t)custom_threshold_m[i*8+2] |
| 668 | |(((uint64_t)custom_threshold_m[i*8+6])<<16) |
| 669 | |(((uint64_t)custom_threshold_m[i*8+0])<<32) |
| 670 | |(((uint64_t)custom_threshold_m[i*8+4])<<48); |
| 671 | vf->priv->threshold_mtx_noq[2*i+1]=(uint64_t)custom_threshold_m[i*8+5] |
| 672 | |(((uint64_t)custom_threshold_m[i*8+3])<<16) |
| 673 | |(((uint64_t)custom_threshold_m[i*8+1])<<32) |
| 674 | |(((uint64_t)custom_threshold_m[i*8+7])<<48); |
| 675 | } |
| 676 | |
| 677 | if (vf->priv->qp) vf->priv->prev_q=vf->priv->qp, mul_thrmat_s(vf->priv, vf->priv->qp); |
| 678 | |
| 679 | return 1; |
| 680 | } |
| 681 | |
| 682 | const vf_info_t ff_vf_info_fspp = { |
| 683 | "fast simple postprocess", |
| 684 | "fspp", |
| 685 | "Michael Niedermayer, Nikolaj Poroshin", |
| 686 | "", |
| 687 | vf_open, |
| 688 | NULL |
| 689 | }; |
| 690 | |
| 691 | //==================================================================== |
| 692 | //Specific spp's dct, idct and threshold functions |
| 693 | //I'd prefer to have them in the separate file. |
| 694 | |
| 695 | //#define MANGLE(a) #a |
| 696 | |
| 697 | //typedef int16_t int16_t; //! only int16_t |
| 698 | |
| 699 | #define DCTSIZE 8 |
| 700 | #define DCTSIZE_S "8" |
| 701 | |
| 702 | #define FIX(x,s) ((int) ((x) * (1<<s) + 0.5)&0xffff) |
| 703 | #define C64(x) ((uint64_t)((x)|(x)<<16))<<32 | (uint64_t)(x) | (uint64_t)(x)<<16 |
| 704 | #define FIX64(x,s) C64(FIX(x,s)) |
| 705 | |
| 706 | #define MULTIPLY16H(x,k) (((x)*(k))>>16) |
| 707 | #define THRESHOLD(r,x,t) if(((unsigned)((x)+t))>t*2) r=(x);else r=0; |
| 708 | #define DESCALE(x,n) (((x) + (1 << ((n)-1))) >> n) |
| 709 | |
| 710 | #if HAVE_MMX |
| 711 | |
| 712 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_382683433)=FIX64(0.382683433, 14); |
| 713 | DECLARE_ALIGNED(8, uint64_t, ff_MM_FIX_0_541196100)=FIX64(0.541196100, 14); |
| 714 | DECLARE_ALIGNED(8, uint64_t, ff_MM_FIX_0_707106781)=FIX64(0.707106781, 14); |
| 715 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_306562965)=FIX64(1.306562965, 14); |
| 716 | |
| 717 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_414213562_A)=FIX64(1.414213562, 14); |
| 718 | |
| 719 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_847759065)=FIX64(1.847759065, 13); |
| 720 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_2_613125930)=FIX64(-2.613125930, 13); //- |
| 721 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_414213562)=FIX64(1.414213562, 13); |
| 722 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_082392200)=FIX64(1.082392200, 13); |
| 723 | //for t3,t5,t7 == 0 shortcut |
| 724 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_847759065)=FIX64(0.847759065, 14); |
| 725 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_566454497)=FIX64(0.566454497, 14); |
| 726 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_198912367)=FIX64(0.198912367, 14); |
| 727 | |
| 728 | DECLARE_ASM_CONST(8, uint64_t, MM_DESCALE_RND)=C64(4); |
| 729 | DECLARE_ASM_CONST(8, uint64_t, MM_2)=C64(2); |
| 730 | |
| 731 | #else /* !HAVE_MMX */ |
| 732 | |
| 733 | typedef int32_t int_simd16_t; |
| 734 | static const int16_t FIX_0_382683433=FIX(0.382683433, 14); |
| 735 | static const int16_t FIX_0_541196100=FIX(0.541196100, 14); |
| 736 | static const int16_t FIX_0_707106781=FIX(0.707106781, 14); |
| 737 | static const int16_t FIX_1_306562965=FIX(1.306562965, 14); |
| 738 | static const int16_t FIX_1_414213562_A=FIX(1.414213562, 14); |
| 739 | static const int16_t FIX_1_847759065=FIX(1.847759065, 13); |
| 740 | static const int16_t FIX_2_613125930=FIX(-2.613125930, 13); //- |
| 741 | static const int16_t FIX_1_414213562=FIX(1.414213562, 13); |
| 742 | static const int16_t FIX_1_082392200=FIX(1.082392200, 13); |
| 743 | |
| 744 | #endif |
| 745 | |
| 746 | #if !HAVE_MMX |
| 747 | |
| 748 | static void column_fidct_c(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt) |
| 749 | { |
| 750 | int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; |
| 751 | int_simd16_t tmp10, tmp11, tmp12, tmp13; |
| 752 | int_simd16_t z1,z2,z3,z4,z5, z10, z11, z12, z13; |
| 753 | int_simd16_t d0, d1, d2, d3, d4, d5, d6, d7; |
| 754 | |
| 755 | int16_t* dataptr; |
| 756 | int16_t* wsptr; |
| 757 | int16_t *threshold; |
| 758 | int ctr; |
| 759 | |
| 760 | dataptr = data; |
| 761 | wsptr = output; |
| 762 | |
| 763 | for (; cnt > 0; cnt-=2) { //start positions |
| 764 | threshold=(int16_t*)thr_adr;//threshold_mtx |
| 765 | for (ctr = DCTSIZE; ctr > 0; ctr--) { |
| 766 | // Process columns from input, add to output. |
| 767 | tmp0 = dataptr[DCTSIZE*0] + dataptr[DCTSIZE*7]; |
| 768 | tmp7 = dataptr[DCTSIZE*0] - dataptr[DCTSIZE*7]; |
| 769 | |
| 770 | tmp1 = dataptr[DCTSIZE*1] + dataptr[DCTSIZE*6]; |
| 771 | tmp6 = dataptr[DCTSIZE*1] - dataptr[DCTSIZE*6]; |
| 772 | |
| 773 | tmp2 = dataptr[DCTSIZE*2] + dataptr[DCTSIZE*5]; |
| 774 | tmp5 = dataptr[DCTSIZE*2] - dataptr[DCTSIZE*5]; |
| 775 | |
| 776 | tmp3 = dataptr[DCTSIZE*3] + dataptr[DCTSIZE*4]; |
| 777 | tmp4 = dataptr[DCTSIZE*3] - dataptr[DCTSIZE*4]; |
| 778 | |
| 779 | // Even part of FDCT |
| 780 | |
| 781 | tmp10 = tmp0 + tmp3; |
| 782 | tmp13 = tmp0 - tmp3; |
| 783 | tmp11 = tmp1 + tmp2; |
| 784 | tmp12 = tmp1 - tmp2; |
| 785 | |
| 786 | d0 = tmp10 + tmp11; |
| 787 | d4 = tmp10 - tmp11; |
| 788 | |
| 789 | z1 = MULTIPLY16H((tmp12 + tmp13) <<2, FIX_0_707106781); |
| 790 | d2 = tmp13 + z1; |
| 791 | d6 = tmp13 - z1; |
| 792 | |
| 793 | // Even part of IDCT |
| 794 | |
| 795 | THRESHOLD(tmp0, d0, threshold[0*8]); |
| 796 | THRESHOLD(tmp1, d2, threshold[2*8]); |
| 797 | THRESHOLD(tmp2, d4, threshold[4*8]); |
| 798 | THRESHOLD(tmp3, d6, threshold[6*8]); |
| 799 | tmp0+=2; |
| 800 | tmp10 = (tmp0 + tmp2)>>2; |
| 801 | tmp11 = (tmp0 - tmp2)>>2; |
| 802 | |
| 803 | tmp13 = (tmp1 + tmp3)>>2; //+2 ! (psnr decides) |
| 804 | tmp12 = MULTIPLY16H((tmp1 - tmp3), FIX_1_414213562_A) - tmp13; //<<2 |
| 805 | |
| 806 | tmp0 = tmp10 + tmp13; //->temps |
| 807 | tmp3 = tmp10 - tmp13; //->temps |
| 808 | tmp1 = tmp11 + tmp12; //->temps |
| 809 | tmp2 = tmp11 - tmp12; //->temps |
| 810 | |
| 811 | // Odd part of FDCT |
| 812 | |
| 813 | tmp10 = tmp4 + tmp5; |
| 814 | tmp11 = tmp5 + tmp6; |
| 815 | tmp12 = tmp6 + tmp7; |
| 816 | |
| 817 | z5 = MULTIPLY16H((tmp10 - tmp12)<<2, FIX_0_382683433); |
| 818 | z2 = MULTIPLY16H(tmp10 <<2, FIX_0_541196100) + z5; |
| 819 | z4 = MULTIPLY16H(tmp12 <<2, FIX_1_306562965) + z5; |
| 820 | z3 = MULTIPLY16H(tmp11 <<2, FIX_0_707106781); |
| 821 | |
| 822 | z11 = tmp7 + z3; |
| 823 | z13 = tmp7 - z3; |
| 824 | |
| 825 | d5 = z13 + z2; |
| 826 | d3 = z13 - z2; |
| 827 | d1 = z11 + z4; |
| 828 | d7 = z11 - z4; |
| 829 | |
| 830 | // Odd part of IDCT |
| 831 | |
| 832 | THRESHOLD(tmp4, d1, threshold[1*8]); |
| 833 | THRESHOLD(tmp5, d3, threshold[3*8]); |
| 834 | THRESHOLD(tmp6, d5, threshold[5*8]); |
| 835 | THRESHOLD(tmp7, d7, threshold[7*8]); |
| 836 | |
| 837 | //Simd version uses here a shortcut for the tmp5,tmp6,tmp7 == 0 |
| 838 | z13 = tmp6 + tmp5; |
| 839 | z10 = (tmp6 - tmp5)<<1; |
| 840 | z11 = tmp4 + tmp7; |
| 841 | z12 = (tmp4 - tmp7)<<1; |
| 842 | |
| 843 | tmp7 = (z11 + z13)>>2; //+2 ! |
| 844 | tmp11 = MULTIPLY16H((z11 - z13)<<1, FIX_1_414213562); |
| 845 | z5 = MULTIPLY16H(z10 + z12, FIX_1_847759065); |
| 846 | tmp10 = MULTIPLY16H(z12, FIX_1_082392200) - z5; |
| 847 | tmp12 = MULTIPLY16H(z10, FIX_2_613125930) + z5; // - !! |
| 848 | |
| 849 | tmp6 = tmp12 - tmp7; |
| 850 | tmp5 = tmp11 - tmp6; |
| 851 | tmp4 = tmp10 + tmp5; |
| 852 | |
| 853 | wsptr[DCTSIZE*0]+= (tmp0 + tmp7); |
| 854 | wsptr[DCTSIZE*1]+= (tmp1 + tmp6); |
| 855 | wsptr[DCTSIZE*2]+= (tmp2 + tmp5); |
| 856 | wsptr[DCTSIZE*3]+= (tmp3 - tmp4); |
| 857 | wsptr[DCTSIZE*4]+= (tmp3 + tmp4); |
| 858 | wsptr[DCTSIZE*5]+= (tmp2 - tmp5); |
| 859 | wsptr[DCTSIZE*6]= (tmp1 - tmp6); |
| 860 | wsptr[DCTSIZE*7]= (tmp0 - tmp7); |
| 861 | // |
| 862 | dataptr++; //next column |
| 863 | wsptr++; |
| 864 | threshold++; |
| 865 | } |
| 866 | dataptr+=8; //skip each second start pos |
| 867 | wsptr +=8; |
| 868 | } |
| 869 | } |
| 870 | |
| 871 | #else /* HAVE_MMX */ |
| 872 | |
| 873 | static void column_fidct_mmx(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt) |
| 874 | { |
| 875 | DECLARE_ALIGNED(8, uint64_t, temps)[4]; |
| 876 | __asm__ volatile( |
| 877 | ASMALIGN(4) |
| 878 | "1: \n\t" |
| 879 | "movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm1 \n\t" |
| 880 | // |
| 881 | "movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm7 \n\t" |
| 882 | "movq %%mm1, %%mm0 \n\t" |
| 883 | |
| 884 | "paddw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm1 \n\t" //t0 |
| 885 | "movq %%mm7, %%mm3 \n\t" |
| 886 | |
| 887 | "paddw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm7 \n\t" //t3 |
| 888 | "movq %%mm1, %%mm5 \n\t" |
| 889 | |
| 890 | "movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm6 \n\t" |
| 891 | "psubw %%mm7, %%mm1 \n\t" //t13 |
| 892 | |
| 893 | "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
| 894 | "movq %%mm6, %%mm4 \n\t" |
| 895 | |
| 896 | "paddw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm6 \n\t" //t1 |
| 897 | "paddw %%mm7, %%mm5 \n\t" //t10 |
| 898 | |
| 899 | "paddw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t2 |
| 900 | "movq %%mm6, %%mm7 \n\t" |
| 901 | |
| 902 | "paddw %%mm2, %%mm6 \n\t" //t11 |
| 903 | "psubw %%mm2, %%mm7 \n\t" //t12 |
| 904 | |
| 905 | "movq %%mm5, %%mm2 \n\t" |
| 906 | "paddw %%mm6, %%mm5 \n\t" //d0 |
| 907 | // i0 t13 t12 i3 i1 d0 - d4 |
| 908 | "psubw %%mm6, %%mm2 \n\t" //d4 |
| 909 | "paddw %%mm1, %%mm7 \n\t" |
| 910 | |
| 911 | "movq 4*16(%%"REG_d"), %%mm6 \n\t" |
| 912 | "psllw $2, %%mm7 \n\t" |
| 913 | |
| 914 | "psubw 0*16(%%"REG_d"), %%mm5 \n\t" |
| 915 | "psubw %%mm6, %%mm2 \n\t" |
| 916 | |
| 917 | "paddusw 0*16(%%"REG_d"), %%mm5 \n\t" |
| 918 | "paddusw %%mm6, %%mm2 \n\t" |
| 919 | |
| 920 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm7 \n\t" |
| 921 | // |
| 922 | "paddw 0*16(%%"REG_d"), %%mm5 \n\t" |
| 923 | "paddw %%mm6, %%mm2 \n\t" |
| 924 | |
| 925 | "psubusw 0*16(%%"REG_d"), %%mm5 \n\t" |
| 926 | "psubusw %%mm6, %%mm2 \n\t" |
| 927 | |
| 928 | //This func is totally compute-bound, operates at huge speed. So, DC shortcut |
| 929 | // at this place isn't worthwhile due to BTB miss penalty (checked on Pent. 3). |
| 930 | //However, typical numbers: nondc - 29%%, dc - 46%%, zero - 25%%. All <> 0 case is very rare. |
| 931 | "paddw "MANGLE(MM_2)", %%mm5 \n\t" |
| 932 | "movq %%mm2, %%mm6 \n\t" |
| 933 | |
| 934 | "paddw %%mm5, %%mm2 \n\t" |
| 935 | "psubw %%mm6, %%mm5 \n\t" |
| 936 | |
| 937 | "movq %%mm1, %%mm6 \n\t" |
| 938 | "paddw %%mm7, %%mm1 \n\t" //d2 |
| 939 | |
| 940 | "psubw 2*16(%%"REG_d"), %%mm1 \n\t" |
| 941 | "psubw %%mm7, %%mm6 \n\t" //d6 |
| 942 | |
| 943 | "movq 6*16(%%"REG_d"), %%mm7 \n\t" |
| 944 | "psraw $2, %%mm5 \n\t" |
| 945 | |
| 946 | "paddusw 2*16(%%"REG_d"), %%mm1 \n\t" |
| 947 | "psubw %%mm7, %%mm6 \n\t" |
| 948 | // t7 d2 /t11 t4 t6 - d6 /t10 |
| 949 | |
| 950 | "paddw 2*16(%%"REG_d"), %%mm1 \n\t" |
| 951 | "paddusw %%mm7, %%mm6 \n\t" |
| 952 | |
| 953 | "psubusw 2*16(%%"REG_d"), %%mm1 \n\t" |
| 954 | "paddw %%mm7, %%mm6 \n\t" |
| 955 | |
| 956 | "psubw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm3 \n\t" |
| 957 | "psubusw %%mm7, %%mm6 \n\t" |
| 958 | |
| 959 | //movq [edi+"DCTSIZE_S"*2*2], mm1 |
| 960 | //movq [edi+"DCTSIZE_S"*6*2], mm6 |
| 961 | "movq %%mm1, %%mm7 \n\t" |
| 962 | "psraw $2, %%mm2 \n\t" |
| 963 | |
| 964 | "psubw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm4 \n\t" |
| 965 | "psubw %%mm6, %%mm1 \n\t" |
| 966 | |
| 967 | "psubw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm0 \n\t" |
| 968 | "paddw %%mm7, %%mm6 \n\t" //'t13 |
| 969 | |
| 970 | "psraw $2, %%mm6 \n\t" //paddw mm6, MM_2 !! --- |
| 971 | "movq %%mm2, %%mm7 \n\t" |
| 972 | |
| 973 | "pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm1 \n\t" |
| 974 | "paddw %%mm6, %%mm2 \n\t" //'t0 |
| 975 | |
| 976 | "movq %%mm2, 0*8+%3 \n\t" //! |
| 977 | "psubw %%mm6, %%mm7 \n\t" //'t3 |
| 978 | |
| 979 | "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
| 980 | "psubw %%mm6, %%mm1 \n\t" //'t12 |
| 981 | |
| 982 | "psubw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t5 |
| 983 | "movq %%mm5, %%mm6 \n\t" |
| 984 | |
| 985 | "movq %%mm7, 3*8+%3 \n\t" |
| 986 | "paddw %%mm2, %%mm3 \n\t" //t10 |
| 987 | |
| 988 | "paddw %%mm4, %%mm2 \n\t" //t11 |
| 989 | "paddw %%mm0, %%mm4 \n\t" //t12 |
| 990 | |
| 991 | "movq %%mm3, %%mm7 \n\t" |
| 992 | "psubw %%mm4, %%mm3 \n\t" |
| 993 | |
| 994 | "psllw $2, %%mm3 \n\t" |
| 995 | "psllw $2, %%mm7 \n\t" //opt for P6 |
| 996 | |
| 997 | "pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" |
| 998 | "psllw $2, %%mm4 \n\t" |
| 999 | |
| 1000 | "pmulhw "MANGLE(ff_MM_FIX_0_541196100)", %%mm7 \n\t" |
| 1001 | "psllw $2, %%mm2 \n\t" |
| 1002 | |
| 1003 | "pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm4 \n\t" |
| 1004 | "paddw %%mm1, %%mm5 \n\t" //'t1 |
| 1005 | |
| 1006 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm2 \n\t" |
| 1007 | "psubw %%mm1, %%mm6 \n\t" //'t2 |
| 1008 | // t7 't12 't11 t4 t6 - 't13 't10 --- |
| 1009 | |
| 1010 | "paddw %%mm3, %%mm7 \n\t" //z2 |
| 1011 | |
| 1012 | "movq %%mm5, 1*8+%3 \n\t" |
| 1013 | "paddw %%mm3, %%mm4 \n\t" //z4 |
| 1014 | |
| 1015 | "movq 3*16(%%"REG_d"), %%mm3 \n\t" |
| 1016 | "movq %%mm0, %%mm1 \n\t" |
| 1017 | |
| 1018 | "movq %%mm6, 2*8+%3 \n\t" |
| 1019 | "psubw %%mm2, %%mm1 \n\t" //z13 |
| 1020 | |
| 1021 | //=== |
| 1022 | "paddw %%mm2, %%mm0 \n\t" //z11 |
| 1023 | "movq %%mm1, %%mm5 \n\t" |
| 1024 | |
| 1025 | "movq 5*16(%%"REG_d"), %%mm2 \n\t" |
| 1026 | "psubw %%mm7, %%mm1 \n\t" //d3 |
| 1027 | |
| 1028 | "paddw %%mm7, %%mm5 \n\t" //d5 |
| 1029 | "psubw %%mm3, %%mm1 \n\t" |
| 1030 | |
| 1031 | "movq 1*16(%%"REG_d"), %%mm7 \n\t" |
| 1032 | "psubw %%mm2, %%mm5 \n\t" |
| 1033 | |
| 1034 | "movq %%mm0, %%mm6 \n\t" |
| 1035 | "paddw %%mm4, %%mm0 \n\t" //d1 |
| 1036 | |
| 1037 | "paddusw %%mm3, %%mm1 \n\t" |
| 1038 | "psubw %%mm4, %%mm6 \n\t" //d7 |
| 1039 | |
| 1040 | // d1 d3 - - - d5 d7 - |
| 1041 | "movq 7*16(%%"REG_d"), %%mm4 \n\t" |
| 1042 | "psubw %%mm7, %%mm0 \n\t" |
| 1043 | |
| 1044 | "psubw %%mm4, %%mm6 \n\t" |
| 1045 | "paddusw %%mm2, %%mm5 \n\t" |
| 1046 | |
| 1047 | "paddusw %%mm4, %%mm6 \n\t" |
| 1048 | "paddw %%mm3, %%mm1 \n\t" |
| 1049 | |
| 1050 | "paddw %%mm2, %%mm5 \n\t" |
| 1051 | "paddw %%mm4, %%mm6 \n\t" |
| 1052 | |
| 1053 | "psubusw %%mm3, %%mm1 \n\t" |
| 1054 | "psubusw %%mm2, %%mm5 \n\t" |
| 1055 | |
| 1056 | "psubusw %%mm4, %%mm6 \n\t" |
| 1057 | "movq %%mm1, %%mm4 \n\t" |
| 1058 | |
| 1059 | "por %%mm5, %%mm4 \n\t" |
| 1060 | "paddusw %%mm7, %%mm0 \n\t" |
| 1061 | |
| 1062 | "por %%mm6, %%mm4 \n\t" |
| 1063 | "paddw %%mm7, %%mm0 \n\t" |
| 1064 | |
| 1065 | "packssdw %%mm4, %%mm4 \n\t" |
| 1066 | "psubusw %%mm7, %%mm0 \n\t" |
| 1067 | |
| 1068 | "movd %%mm4, %%"REG_a" \n\t" |
| 1069 | "or %%"REG_a", %%"REG_a" \n\t" |
| 1070 | "jnz 2f \n\t" |
| 1071 | //movq [edi+"DCTSIZE_S"*3*2], mm1 |
| 1072 | //movq [edi+"DCTSIZE_S"*5*2], mm5 |
| 1073 | //movq [edi+"DCTSIZE_S"*1*2], mm0 |
| 1074 | //movq [edi+"DCTSIZE_S"*7*2], mm6 |
| 1075 | // t4 t5 - - - t6 t7 - |
| 1076 | //--- t4 (mm0) may be <>0; mm1, mm5, mm6 == 0 |
| 1077 | //Typical numbers: nondc - 19%%, dc - 26%%, zero - 55%%. zero case alone isn't worthwhile |
| 1078 | "movq 0*8+%3, %%mm4 \n\t" |
| 1079 | "movq %%mm0, %%mm1 \n\t" |
| 1080 | |
| 1081 | "pmulhw "MANGLE(MM_FIX_0_847759065)", %%mm0 \n\t" //tmp6 |
| 1082 | "movq %%mm1, %%mm2 \n\t" |
| 1083 | |
| 1084 | "movq "DCTSIZE_S"*0*2(%%"REG_D"), %%mm5 \n\t" |
| 1085 | "movq %%mm2, %%mm3 \n\t" |
| 1086 | |
| 1087 | "pmulhw "MANGLE(MM_FIX_0_566454497)", %%mm1 \n\t" //tmp5 |
| 1088 | "paddw %%mm4, %%mm5 \n\t" |
| 1089 | |
| 1090 | "movq 1*8+%3, %%mm6 \n\t" |
| 1091 | //paddw mm3, MM_2 |
| 1092 | "psraw $2, %%mm3 \n\t" //tmp7 |
| 1093 | |
| 1094 | "pmulhw "MANGLE(MM_FIX_0_198912367)", %%mm2 \n\t" //-tmp4 |
| 1095 | "psubw %%mm3, %%mm4 \n\t" |
| 1096 | |
| 1097 | "movq "DCTSIZE_S"*1*2(%%"REG_D"), %%mm7 \n\t" |
| 1098 | "paddw %%mm3, %%mm5 \n\t" |
| 1099 | |
| 1100 | "movq %%mm4, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
| 1101 | "paddw %%mm6, %%mm7 \n\t" |
| 1102 | |
| 1103 | "movq 2*8+%3, %%mm3 \n\t" |
| 1104 | "psubw %%mm0, %%mm6 \n\t" |
| 1105 | |
| 1106 | "movq "DCTSIZE_S"*2*2(%%"REG_D"), %%mm4 \n\t" |
| 1107 | "paddw %%mm0, %%mm7 \n\t" |
| 1108 | |
| 1109 | "movq %%mm5, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
| 1110 | "paddw %%mm3, %%mm4 \n\t" |
| 1111 | |
| 1112 | "movq %%mm6, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
| 1113 | "psubw %%mm1, %%mm3 \n\t" |
| 1114 | |
| 1115 | "movq "DCTSIZE_S"*5*2(%%"REG_D"), %%mm5 \n\t" |
| 1116 | "paddw %%mm1, %%mm4 \n\t" |
| 1117 | |
| 1118 | "movq "DCTSIZE_S"*3*2(%%"REG_D"), %%mm6 \n\t" |
| 1119 | "paddw %%mm3, %%mm5 \n\t" |
| 1120 | |
| 1121 | "movq 3*8+%3, %%mm0 \n\t" |
| 1122 | "add $8, %%"REG_S" \n\t" |
| 1123 | |
| 1124 | "movq %%mm7, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
| 1125 | "paddw %%mm0, %%mm6 \n\t" |
| 1126 | |
| 1127 | "movq %%mm4, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
| 1128 | "psubw %%mm2, %%mm0 \n\t" |
| 1129 | |
| 1130 | "movq "DCTSIZE_S"*4*2(%%"REG_D"), %%mm7 \n\t" |
| 1131 | "paddw %%mm2, %%mm6 \n\t" |
| 1132 | |
| 1133 | "movq %%mm5, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
| 1134 | "paddw %%mm0, %%mm7 \n\t" |
| 1135 | |
| 1136 | "movq %%mm6, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
| 1137 | |
| 1138 | "movq %%mm7, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
| 1139 | "add $8, %%"REG_D" \n\t" |
| 1140 | "jmp 4f \n\t" |
| 1141 | |
| 1142 | "2: \n\t" |
| 1143 | //--- non DC2 |
| 1144 | //psraw mm1, 2 w/o it -> offset. thr1, thr1, thr1 (actually thr1, thr1, thr1-1) |
| 1145 | //psraw mm5, 2 |
| 1146 | //psraw mm0, 2 |
| 1147 | //psraw mm6, 2 |
| 1148 | "movq %%mm5, %%mm3 \n\t" |
| 1149 | "psubw %%mm1, %%mm5 \n\t" |
| 1150 | |
| 1151 | "psllw $1, %%mm5 \n\t" //'z10 |
| 1152 | "paddw %%mm1, %%mm3 \n\t" //'z13 |
| 1153 | |
| 1154 | "movq %%mm0, %%mm2 \n\t" |
| 1155 | "psubw %%mm6, %%mm0 \n\t" |
| 1156 | |
| 1157 | "movq %%mm5, %%mm1 \n\t" |
| 1158 | "psllw $1, %%mm0 \n\t" //'z12 |
| 1159 | |
| 1160 | "pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm1 \n\t" //- |
| 1161 | "paddw %%mm0, %%mm5 \n\t" |
| 1162 | |
| 1163 | "pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm5 \n\t" //'z5 |
| 1164 | "paddw %%mm6, %%mm2 \n\t" //'z11 |
| 1165 | |
| 1166 | "pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm0 \n\t" |
| 1167 | "movq %%mm2, %%mm7 \n\t" |
| 1168 | |
| 1169 | //--- |
| 1170 | "movq 0*8+%3, %%mm4 \n\t" |
| 1171 | "psubw %%mm3, %%mm2 \n\t" |
| 1172 | |
| 1173 | "psllw $1, %%mm2 \n\t" |
| 1174 | "paddw %%mm3, %%mm7 \n\t" //'t7 |
| 1175 | |
| 1176 | "pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //'t11 |
| 1177 | "movq %%mm4, %%mm6 \n\t" |
| 1178 | //paddw mm7, MM_2 |
| 1179 | "psraw $2, %%mm7 \n\t" |
| 1180 | |
| 1181 | "paddw "DCTSIZE_S"*0*2(%%"REG_D"), %%mm4 \n\t" |
| 1182 | "psubw %%mm7, %%mm6 \n\t" |
| 1183 | |
| 1184 | "movq 1*8+%3, %%mm3 \n\t" |
| 1185 | "paddw %%mm7, %%mm4 \n\t" |
| 1186 | |
| 1187 | "movq %%mm6, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
| 1188 | "paddw %%mm5, %%mm1 \n\t" //'t12 |
| 1189 | |
| 1190 | "movq %%mm4, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
| 1191 | "psubw %%mm7, %%mm1 \n\t" //'t6 |
| 1192 | |
| 1193 | "movq 2*8+%3, %%mm7 \n\t" |
| 1194 | "psubw %%mm5, %%mm0 \n\t" //'t10 |
| 1195 | |
| 1196 | "movq 3*8+%3, %%mm6 \n\t" |
| 1197 | "movq %%mm3, %%mm5 \n\t" |
| 1198 | |
| 1199 | "paddw "DCTSIZE_S"*1*2(%%"REG_D"), %%mm3 \n\t" |
| 1200 | "psubw %%mm1, %%mm5 \n\t" |
| 1201 | |
| 1202 | "psubw %%mm1, %%mm2 \n\t" //'t5 |
| 1203 | "paddw %%mm1, %%mm3 \n\t" |
| 1204 | |
| 1205 | "movq %%mm5, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
| 1206 | "movq %%mm7, %%mm4 \n\t" |
| 1207 | |
| 1208 | "paddw "DCTSIZE_S"*2*2(%%"REG_D"), %%mm7 \n\t" |
| 1209 | "psubw %%mm2, %%mm4 \n\t" |
| 1210 | |
| 1211 | "paddw "DCTSIZE_S"*5*2(%%"REG_D"), %%mm4 \n\t" |
| 1212 | "paddw %%mm2, %%mm7 \n\t" |
| 1213 | |
| 1214 | "movq %%mm3, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
| 1215 | "paddw %%mm2, %%mm0 \n\t" //'t4 |
| 1216 | |
| 1217 | // 't4 't6 't5 - - - - 't7 |
| 1218 | "movq %%mm7, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
| 1219 | "movq %%mm6, %%mm1 \n\t" |
| 1220 | |
| 1221 | "paddw "DCTSIZE_S"*4*2(%%"REG_D"), %%mm6 \n\t" |
| 1222 | "psubw %%mm0, %%mm1 \n\t" |
| 1223 | |
| 1224 | "paddw "DCTSIZE_S"*3*2(%%"REG_D"), %%mm1 \n\t" |
| 1225 | "paddw %%mm0, %%mm6 \n\t" |
| 1226 | |
| 1227 | "movq %%mm4, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
| 1228 | "add $8, %%"REG_S" \n\t" |
| 1229 | |
| 1230 | "movq %%mm6, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
| 1231 | |
| 1232 | "movq %%mm1, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
| 1233 | "add $8, %%"REG_D" \n\t" |
| 1234 | |
| 1235 | "4: \n\t" |
| 1236 | //=part 2 (the same)=========================================================== |
| 1237 | "movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm1 \n\t" |
| 1238 | // |
| 1239 | "movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm7 \n\t" |
| 1240 | "movq %%mm1, %%mm0 \n\t" |
| 1241 | |
| 1242 | "paddw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm1 \n\t" //t0 |
| 1243 | "movq %%mm7, %%mm3 \n\t" |
| 1244 | |
| 1245 | "paddw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm7 \n\t" //t3 |
| 1246 | "movq %%mm1, %%mm5 \n\t" |
| 1247 | |
| 1248 | "movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm6 \n\t" |
| 1249 | "psubw %%mm7, %%mm1 \n\t" //t13 |
| 1250 | |
| 1251 | "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
| 1252 | "movq %%mm6, %%mm4 \n\t" |
| 1253 | |
| 1254 | "paddw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm6 \n\t" //t1 |
| 1255 | "paddw %%mm7, %%mm5 \n\t" //t10 |
| 1256 | |
| 1257 | "paddw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t2 |
| 1258 | "movq %%mm6, %%mm7 \n\t" |
| 1259 | |
| 1260 | "paddw %%mm2, %%mm6 \n\t" //t11 |
| 1261 | "psubw %%mm2, %%mm7 \n\t" //t12 |
| 1262 | |
| 1263 | "movq %%mm5, %%mm2 \n\t" |
| 1264 | "paddw %%mm6, %%mm5 \n\t" //d0 |
| 1265 | // i0 t13 t12 i3 i1 d0 - d4 |
| 1266 | "psubw %%mm6, %%mm2 \n\t" //d4 |
| 1267 | "paddw %%mm1, %%mm7 \n\t" |
| 1268 | |
| 1269 | "movq 1*8+4*16(%%"REG_d"), %%mm6 \n\t" |
| 1270 | "psllw $2, %%mm7 \n\t" |
| 1271 | |
| 1272 | "psubw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
| 1273 | "psubw %%mm6, %%mm2 \n\t" |
| 1274 | |
| 1275 | "paddusw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
| 1276 | "paddusw %%mm6, %%mm2 \n\t" |
| 1277 | |
| 1278 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm7 \n\t" |
| 1279 | // |
| 1280 | "paddw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
| 1281 | "paddw %%mm6, %%mm2 \n\t" |
| 1282 | |
| 1283 | "psubusw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
| 1284 | "psubusw %%mm6, %%mm2 \n\t" |
| 1285 | |
| 1286 | //This func is totally compute-bound, operates at huge speed. So, DC shortcut |
| 1287 | // at this place isn't worthwhile due to BTB miss penalty (checked on Pent. 3). |
| 1288 | //However, typical numbers: nondc - 29%%, dc - 46%%, zero - 25%%. All <> 0 case is very rare. |
| 1289 | "paddw "MANGLE(MM_2)", %%mm5 \n\t" |
| 1290 | "movq %%mm2, %%mm6 \n\t" |
| 1291 | |
| 1292 | "paddw %%mm5, %%mm2 \n\t" |
| 1293 | "psubw %%mm6, %%mm5 \n\t" |
| 1294 | |
| 1295 | "movq %%mm1, %%mm6 \n\t" |
| 1296 | "paddw %%mm7, %%mm1 \n\t" //d2 |
| 1297 | |
| 1298 | "psubw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
| 1299 | "psubw %%mm7, %%mm6 \n\t" //d6 |
| 1300 | |
| 1301 | "movq 1*8+6*16(%%"REG_d"), %%mm7 \n\t" |
| 1302 | "psraw $2, %%mm5 \n\t" |
| 1303 | |
| 1304 | "paddusw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
| 1305 | "psubw %%mm7, %%mm6 \n\t" |
| 1306 | // t7 d2 /t11 t4 t6 - d6 /t10 |
| 1307 | |
| 1308 | "paddw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
| 1309 | "paddusw %%mm7, %%mm6 \n\t" |
| 1310 | |
| 1311 | "psubusw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
| 1312 | "paddw %%mm7, %%mm6 \n\t" |
| 1313 | |
| 1314 | "psubw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm3 \n\t" |
| 1315 | "psubusw %%mm7, %%mm6 \n\t" |
| 1316 | |
| 1317 | //movq [edi+"DCTSIZE_S"*2*2], mm1 |
| 1318 | //movq [edi+"DCTSIZE_S"*6*2], mm6 |
| 1319 | "movq %%mm1, %%mm7 \n\t" |
| 1320 | "psraw $2, %%mm2 \n\t" |
| 1321 | |
| 1322 | "psubw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm4 \n\t" |
| 1323 | "psubw %%mm6, %%mm1 \n\t" |
| 1324 | |
| 1325 | "psubw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm0 \n\t" |
| 1326 | "paddw %%mm7, %%mm6 \n\t" //'t13 |
| 1327 | |
| 1328 | "psraw $2, %%mm6 \n\t" //paddw mm6, MM_2 !! --- |
| 1329 | "movq %%mm2, %%mm7 \n\t" |
| 1330 | |
| 1331 | "pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm1 \n\t" |
| 1332 | "paddw %%mm6, %%mm2 \n\t" //'t0 |
| 1333 | |
| 1334 | "movq %%mm2, 0*8+%3 \n\t" //! |
| 1335 | "psubw %%mm6, %%mm7 \n\t" //'t3 |
| 1336 | |
| 1337 | "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
| 1338 | "psubw %%mm6, %%mm1 \n\t" //'t12 |
| 1339 | |
| 1340 | "psubw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t5 |
| 1341 | "movq %%mm5, %%mm6 \n\t" |
| 1342 | |
| 1343 | "movq %%mm7, 3*8+%3 \n\t" |
| 1344 | "paddw %%mm2, %%mm3 \n\t" //t10 |
| 1345 | |
| 1346 | "paddw %%mm4, %%mm2 \n\t" //t11 |
| 1347 | "paddw %%mm0, %%mm4 \n\t" //t12 |
| 1348 | |
| 1349 | "movq %%mm3, %%mm7 \n\t" |
| 1350 | "psubw %%mm4, %%mm3 \n\t" |
| 1351 | |
| 1352 | "psllw $2, %%mm3 \n\t" |
| 1353 | "psllw $2, %%mm7 \n\t" //opt for P6 |
| 1354 | |
| 1355 | "pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" |
| 1356 | "psllw $2, %%mm4 \n\t" |
| 1357 | |
| 1358 | "pmulhw "MANGLE(ff_MM_FIX_0_541196100)", %%mm7 \n\t" |
| 1359 | "psllw $2, %%mm2 \n\t" |
| 1360 | |
| 1361 | "pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm4 \n\t" |
| 1362 | "paddw %%mm1, %%mm5 \n\t" //'t1 |
| 1363 | |
| 1364 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm2 \n\t" |
| 1365 | "psubw %%mm1, %%mm6 \n\t" //'t2 |
| 1366 | // t7 't12 't11 t4 t6 - 't13 't10 --- |
| 1367 | |
| 1368 | "paddw %%mm3, %%mm7 \n\t" //z2 |
| 1369 | |
| 1370 | "movq %%mm5, 1*8+%3 \n\t" |
| 1371 | "paddw %%mm3, %%mm4 \n\t" //z4 |
| 1372 | |
| 1373 | "movq 1*8+3*16(%%"REG_d"), %%mm3 \n\t" |
| 1374 | "movq %%mm0, %%mm1 \n\t" |
| 1375 | |
| 1376 | "movq %%mm6, 2*8+%3 \n\t" |
| 1377 | "psubw %%mm2, %%mm1 \n\t" //z13 |
| 1378 | |
| 1379 | //=== |
| 1380 | "paddw %%mm2, %%mm0 \n\t" //z11 |
| 1381 | "movq %%mm1, %%mm5 \n\t" |
| 1382 | |
| 1383 | "movq 1*8+5*16(%%"REG_d"), %%mm2 \n\t" |
| 1384 | "psubw %%mm7, %%mm1 \n\t" //d3 |
| 1385 | |
| 1386 | "paddw %%mm7, %%mm5 \n\t" //d5 |
| 1387 | "psubw %%mm3, %%mm1 \n\t" |
| 1388 | |
| 1389 | "movq 1*8+1*16(%%"REG_d"), %%mm7 \n\t" |
| 1390 | "psubw %%mm2, %%mm5 \n\t" |
| 1391 | |
| 1392 | "movq %%mm0, %%mm6 \n\t" |
| 1393 | "paddw %%mm4, %%mm0 \n\t" //d1 |
| 1394 | |
| 1395 | "paddusw %%mm3, %%mm1 \n\t" |
| 1396 | "psubw %%mm4, %%mm6 \n\t" //d7 |
| 1397 | |
| 1398 | // d1 d3 - - - d5 d7 - |
| 1399 | "movq 1*8+7*16(%%"REG_d"), %%mm4 \n\t" |
| 1400 | "psubw %%mm7, %%mm0 \n\t" |
| 1401 | |
| 1402 | "psubw %%mm4, %%mm6 \n\t" |
| 1403 | "paddusw %%mm2, %%mm5 \n\t" |
| 1404 | |
| 1405 | "paddusw %%mm4, %%mm6 \n\t" |
| 1406 | "paddw %%mm3, %%mm1 \n\t" |
| 1407 | |
| 1408 | "paddw %%mm2, %%mm5 \n\t" |
| 1409 | "paddw %%mm4, %%mm6 \n\t" |
| 1410 | |
| 1411 | "psubusw %%mm3, %%mm1 \n\t" |
| 1412 | "psubusw %%mm2, %%mm5 \n\t" |
| 1413 | |
| 1414 | "psubusw %%mm4, %%mm6 \n\t" |
| 1415 | "movq %%mm1, %%mm4 \n\t" |
| 1416 | |
| 1417 | "por %%mm5, %%mm4 \n\t" |
| 1418 | "paddusw %%mm7, %%mm0 \n\t" |
| 1419 | |
| 1420 | "por %%mm6, %%mm4 \n\t" |
| 1421 | "paddw %%mm7, %%mm0 \n\t" |
| 1422 | |
| 1423 | "packssdw %%mm4, %%mm4 \n\t" |
| 1424 | "psubusw %%mm7, %%mm0 \n\t" |
| 1425 | |
| 1426 | "movd %%mm4, %%"REG_a" \n\t" |
| 1427 | "or %%"REG_a", %%"REG_a" \n\t" |
| 1428 | "jnz 3f \n\t" |
| 1429 | //movq [edi+"DCTSIZE_S"*3*2], mm1 |
| 1430 | //movq [edi+"DCTSIZE_S"*5*2], mm5 |
| 1431 | //movq [edi+"DCTSIZE_S"*1*2], mm0 |
| 1432 | //movq [edi+"DCTSIZE_S"*7*2], mm6 |
| 1433 | // t4 t5 - - - t6 t7 - |
| 1434 | //--- t4 (mm0) may be <>0; mm1, mm5, mm6 == 0 |
| 1435 | //Typical numbers: nondc - 19%%, dc - 26%%, zero - 55%%. zero case alone isn't worthwhile |
| 1436 | "movq 0*8+%3, %%mm4 \n\t" |
| 1437 | "movq %%mm0, %%mm1 \n\t" |
| 1438 | |
| 1439 | "pmulhw "MANGLE(MM_FIX_0_847759065)", %%mm0 \n\t" //tmp6 |
| 1440 | "movq %%mm1, %%mm2 \n\t" |
| 1441 | |
| 1442 | "movq "DCTSIZE_S"*0*2(%%"REG_D"), %%mm5 \n\t" |
| 1443 | "movq %%mm2, %%mm3 \n\t" |
| 1444 | |
| 1445 | "pmulhw "MANGLE(MM_FIX_0_566454497)", %%mm1 \n\t" //tmp5 |
| 1446 | "paddw %%mm4, %%mm5 \n\t" |
| 1447 | |
| 1448 | "movq 1*8+%3, %%mm6 \n\t" |
| 1449 | //paddw mm3, MM_2 |
| 1450 | "psraw $2, %%mm3 \n\t" //tmp7 |
| 1451 | |
| 1452 | "pmulhw "MANGLE(MM_FIX_0_198912367)", %%mm2 \n\t" //-tmp4 |
| 1453 | "psubw %%mm3, %%mm4 \n\t" |
| 1454 | |
| 1455 | "movq "DCTSIZE_S"*1*2(%%"REG_D"), %%mm7 \n\t" |
| 1456 | "paddw %%mm3, %%mm5 \n\t" |
| 1457 | |
| 1458 | "movq %%mm4, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
| 1459 | "paddw %%mm6, %%mm7 \n\t" |
| 1460 | |
| 1461 | "movq 2*8+%3, %%mm3 \n\t" |
| 1462 | "psubw %%mm0, %%mm6 \n\t" |
| 1463 | |
| 1464 | "movq "DCTSIZE_S"*2*2(%%"REG_D"), %%mm4 \n\t" |
| 1465 | "paddw %%mm0, %%mm7 \n\t" |
| 1466 | |
| 1467 | "movq %%mm5, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
| 1468 | "paddw %%mm3, %%mm4 \n\t" |
| 1469 | |
| 1470 | "movq %%mm6, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
| 1471 | "psubw %%mm1, %%mm3 \n\t" |
| 1472 | |
| 1473 | "movq "DCTSIZE_S"*5*2(%%"REG_D"), %%mm5 \n\t" |
| 1474 | "paddw %%mm1, %%mm4 \n\t" |
| 1475 | |
| 1476 | "movq "DCTSIZE_S"*3*2(%%"REG_D"), %%mm6 \n\t" |
| 1477 | "paddw %%mm3, %%mm5 \n\t" |
| 1478 | |
| 1479 | "movq 3*8+%3, %%mm0 \n\t" |
| 1480 | "add $24, %%"REG_S" \n\t" |
| 1481 | |
| 1482 | "movq %%mm7, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
| 1483 | "paddw %%mm0, %%mm6 \n\t" |
| 1484 | |
| 1485 | "movq %%mm4, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
| 1486 | "psubw %%mm2, %%mm0 \n\t" |
| 1487 | |
| 1488 | "movq "DCTSIZE_S"*4*2(%%"REG_D"), %%mm7 \n\t" |
| 1489 | "paddw %%mm2, %%mm6 \n\t" |
| 1490 | |
| 1491 | "movq %%mm5, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
| 1492 | "paddw %%mm0, %%mm7 \n\t" |
| 1493 | |
| 1494 | "movq %%mm6, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
| 1495 | |
| 1496 | "movq %%mm7, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
| 1497 | "add $24, %%"REG_D" \n\t" |
| 1498 | "sub $2, %%"REG_c" \n\t" |
| 1499 | "jnz 1b \n\t" |
| 1500 | "jmp 5f \n\t" |
| 1501 | |
| 1502 | "3: \n\t" |
| 1503 | //--- non DC2 |
| 1504 | //psraw mm1, 2 w/o it -> offset. thr1, thr1, thr1 (actually thr1, thr1, thr1-1) |
| 1505 | //psraw mm5, 2 |
| 1506 | //psraw mm0, 2 |
| 1507 | //psraw mm6, 2 |
| 1508 | "movq %%mm5, %%mm3 \n\t" |
| 1509 | "psubw %%mm1, %%mm5 \n\t" |
| 1510 | |
| 1511 | "psllw $1, %%mm5 \n\t" //'z10 |
| 1512 | "paddw %%mm1, %%mm3 \n\t" //'z13 |
| 1513 | |
| 1514 | "movq %%mm0, %%mm2 \n\t" |
| 1515 | "psubw %%mm6, %%mm0 \n\t" |
| 1516 | |
| 1517 | "movq %%mm5, %%mm1 \n\t" |
| 1518 | "psllw $1, %%mm0 \n\t" //'z12 |
| 1519 | |
| 1520 | "pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm1 \n\t" //- |
| 1521 | "paddw %%mm0, %%mm5 \n\t" |
| 1522 | |
| 1523 | "pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm5 \n\t" //'z5 |
| 1524 | "paddw %%mm6, %%mm2 \n\t" //'z11 |
| 1525 | |
| 1526 | "pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm0 \n\t" |
| 1527 | "movq %%mm2, %%mm7 \n\t" |
| 1528 | |
| 1529 | //--- |
| 1530 | "movq 0*8+%3, %%mm4 \n\t" |
| 1531 | "psubw %%mm3, %%mm2 \n\t" |
| 1532 | |
| 1533 | "psllw $1, %%mm2 \n\t" |
| 1534 | "paddw %%mm3, %%mm7 \n\t" //'t7 |
| 1535 | |
| 1536 | "pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //'t11 |
| 1537 | "movq %%mm4, %%mm6 \n\t" |
| 1538 | //paddw mm7, MM_2 |
| 1539 | "psraw $2, %%mm7 \n\t" |
| 1540 | |
| 1541 | "paddw "DCTSIZE_S"*0*2(%%"REG_D"), %%mm4 \n\t" |
| 1542 | "psubw %%mm7, %%mm6 \n\t" |
| 1543 | |
| 1544 | "movq 1*8+%3, %%mm3 \n\t" |
| 1545 | "paddw %%mm7, %%mm4 \n\t" |
| 1546 | |
| 1547 | "movq %%mm6, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
| 1548 | "paddw %%mm5, %%mm1 \n\t" //'t12 |
| 1549 | |
| 1550 | "movq %%mm4, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
| 1551 | "psubw %%mm7, %%mm1 \n\t" //'t6 |
| 1552 | |
| 1553 | "movq 2*8+%3, %%mm7 \n\t" |
| 1554 | "psubw %%mm5, %%mm0 \n\t" //'t10 |
| 1555 | |
| 1556 | "movq 3*8+%3, %%mm6 \n\t" |
| 1557 | "movq %%mm3, %%mm5 \n\t" |
| 1558 | |
| 1559 | "paddw "DCTSIZE_S"*1*2(%%"REG_D"), %%mm3 \n\t" |
| 1560 | "psubw %%mm1, %%mm5 \n\t" |
| 1561 | |
| 1562 | "psubw %%mm1, %%mm2 \n\t" //'t5 |
| 1563 | "paddw %%mm1, %%mm3 \n\t" |
| 1564 | |
| 1565 | "movq %%mm5, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
| 1566 | "movq %%mm7, %%mm4 \n\t" |
| 1567 | |
| 1568 | "paddw "DCTSIZE_S"*2*2(%%"REG_D"), %%mm7 \n\t" |
| 1569 | "psubw %%mm2, %%mm4 \n\t" |
| 1570 | |
| 1571 | "paddw "DCTSIZE_S"*5*2(%%"REG_D"), %%mm4 \n\t" |
| 1572 | "paddw %%mm2, %%mm7 \n\t" |
| 1573 | |
| 1574 | "movq %%mm3, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
| 1575 | "paddw %%mm2, %%mm0 \n\t" //'t4 |
| 1576 | |
| 1577 | // 't4 't6 't5 - - - - 't7 |
| 1578 | "movq %%mm7, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
| 1579 | "movq %%mm6, %%mm1 \n\t" |
| 1580 | |
| 1581 | "paddw "DCTSIZE_S"*4*2(%%"REG_D"), %%mm6 \n\t" |
| 1582 | "psubw %%mm0, %%mm1 \n\t" |
| 1583 | |
| 1584 | "paddw "DCTSIZE_S"*3*2(%%"REG_D"), %%mm1 \n\t" |
| 1585 | "paddw %%mm0, %%mm6 \n\t" |
| 1586 | |
| 1587 | "movq %%mm4, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
| 1588 | "add $24, %%"REG_S" \n\t" |
| 1589 | |
| 1590 | "movq %%mm6, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
| 1591 | |
| 1592 | "movq %%mm1, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
| 1593 | "add $24, %%"REG_D" \n\t" |
| 1594 | "sub $2, %%"REG_c" \n\t" |
| 1595 | "jnz 1b \n\t" |
| 1596 | "5: \n\t" |
| 1597 | |
| 1598 | : "+S"(data), "+D"(output), "+c"(cnt), "=o"(temps) |
| 1599 | : "d"(thr_adr) |
| 1600 | NAMED_CONSTRAINTS_ADD(ff_MM_FIX_0_707106781,MM_2,MM_FIX_1_414213562_A,MM_FIX_1_414213562,MM_FIX_0_382683433, |
| 1601 | ff_MM_FIX_0_541196100,MM_FIX_1_306562965,MM_FIX_0_847759065) |
| 1602 | NAMED_CONSTRAINTS_ADD(MM_FIX_0_566454497,MM_FIX_0_198912367,MM_FIX_2_613125930,MM_FIX_1_847759065, |
| 1603 | MM_FIX_1_082392200) |
| 1604 | : "%"REG_a |
| 1605 | ); |
| 1606 | } |
| 1607 | |
| 1608 | #endif // HAVE_MMX |
| 1609 | |
| 1610 | #if !HAVE_MMX |
| 1611 | |
| 1612 | static void row_idct_c(int16_t* workspace, |
| 1613 | int16_t* output_adr, int output_stride, int cnt) |
| 1614 | { |
| 1615 | int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; |
| 1616 | int_simd16_t tmp10, tmp11, tmp12, tmp13; |
| 1617 | int_simd16_t z5, z10, z11, z12, z13; |
| 1618 | int16_t* outptr; |
| 1619 | int16_t* wsptr; |
| 1620 | |
| 1621 | cnt*=4; |
| 1622 | wsptr = workspace; |
| 1623 | outptr = output_adr; |
| 1624 | for (; cnt > 0; cnt--) { |
| 1625 | // Even part |
| 1626 | //Simd version reads 4x4 block and transposes it |
| 1627 | tmp10 = ( wsptr[2] + wsptr[3]); |
| 1628 | tmp11 = ( wsptr[2] - wsptr[3]); |
| 1629 | |
| 1630 | tmp13 = ( wsptr[0] + wsptr[1]); |
| 1631 | tmp12 = (MULTIPLY16H( wsptr[0] - wsptr[1], FIX_1_414213562_A)<<2) - tmp13;//this shift order to avoid overflow |
| 1632 | |
| 1633 | tmp0 = tmp10 + tmp13; //->temps |
| 1634 | tmp3 = tmp10 - tmp13; //->temps |
| 1635 | tmp1 = tmp11 + tmp12; |
| 1636 | tmp2 = tmp11 - tmp12; |
| 1637 | |
| 1638 | // Odd part |
| 1639 | //Also transpose, with previous: |
| 1640 | // ---- ---- |||| |
| 1641 | // ---- ---- idct |||| |
| 1642 | // ---- ---- ---> |||| |
| 1643 | // ---- ---- |||| |
| 1644 | z13 = wsptr[4] + wsptr[5]; |
| 1645 | z10 = wsptr[4] - wsptr[5]; |
| 1646 | z11 = wsptr[6] + wsptr[7]; |
| 1647 | z12 = wsptr[6] - wsptr[7]; |
| 1648 | |
| 1649 | tmp7 = z11 + z13; |
| 1650 | tmp11 = MULTIPLY16H(z11 - z13, FIX_1_414213562); |
| 1651 | |
| 1652 | z5 = MULTIPLY16H(z10 + z12, FIX_1_847759065); |
| 1653 | tmp10 = MULTIPLY16H(z12, FIX_1_082392200) - z5; |
| 1654 | tmp12 = MULTIPLY16H(z10, FIX_2_613125930) + z5; // - FIX_ |
| 1655 | |
| 1656 | tmp6 = (tmp12<<3) - tmp7; |
| 1657 | tmp5 = (tmp11<<3) - tmp6; |
| 1658 | tmp4 = (tmp10<<3) + tmp5; |
| 1659 | |
| 1660 | // Final output stage: descale and write column |
| 1661 | outptr[0*output_stride]+= DESCALE(tmp0 + tmp7, 3); |
| 1662 | outptr[1*output_stride]+= DESCALE(tmp1 + tmp6, 3); |
| 1663 | outptr[2*output_stride]+= DESCALE(tmp2 + tmp5, 3); |
| 1664 | outptr[3*output_stride]+= DESCALE(tmp3 - tmp4, 3); |
| 1665 | outptr[4*output_stride]+= DESCALE(tmp3 + tmp4, 3); |
| 1666 | outptr[5*output_stride]+= DESCALE(tmp2 - tmp5, 3); |
| 1667 | outptr[6*output_stride]+= DESCALE(tmp1 - tmp6, 3); //no += ? |
| 1668 | outptr[7*output_stride]+= DESCALE(tmp0 - tmp7, 3); //no += ? |
| 1669 | outptr++; |
| 1670 | |
| 1671 | wsptr += DCTSIZE; // advance pointer to next row |
| 1672 | } |
| 1673 | } |
| 1674 | |
| 1675 | #else /* HAVE_MMX */ |
| 1676 | |
| 1677 | static void row_idct_mmx (int16_t* workspace, |
| 1678 | int16_t* output_adr, int output_stride, int cnt) |
| 1679 | { |
| 1680 | DECLARE_ALIGNED(8, uint64_t, temps)[4]; |
| 1681 | __asm__ volatile( |
| 1682 | "lea (%%"REG_a",%%"REG_a",2), %%"REG_d" \n\t" |
| 1683 | "1: \n\t" |
| 1684 | "movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm0 \n\t" |
| 1685 | // |
| 1686 | |
| 1687 | "movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm1 \n\t" |
| 1688 | "movq %%mm0, %%mm4 \n\t" |
| 1689 | |
| 1690 | "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
| 1691 | "punpcklwd %%mm1, %%mm0 \n\t" |
| 1692 | |
| 1693 | "movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm3 \n\t" |
| 1694 | "punpckhwd %%mm1, %%mm4 \n\t" |
| 1695 | |
| 1696 | //transpose 4x4 |
| 1697 | "movq %%mm2, %%mm7 \n\t" |
| 1698 | "punpcklwd %%mm3, %%mm2 \n\t" |
| 1699 | |
| 1700 | "movq %%mm0, %%mm6 \n\t" |
| 1701 | "punpckldq %%mm2, %%mm0 \n\t" //0 |
| 1702 | |
| 1703 | "punpckhdq %%mm2, %%mm6 \n\t" //1 |
| 1704 | "movq %%mm0, %%mm5 \n\t" |
| 1705 | |
| 1706 | "punpckhwd %%mm3, %%mm7 \n\t" |
| 1707 | "psubw %%mm6, %%mm0 \n\t" |
| 1708 | |
| 1709 | "pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm0 \n\t" |
| 1710 | "movq %%mm4, %%mm2 \n\t" |
| 1711 | |
| 1712 | "punpckldq %%mm7, %%mm4 \n\t" //2 |
| 1713 | "paddw %%mm6, %%mm5 \n\t" |
| 1714 | |
| 1715 | "punpckhdq %%mm7, %%mm2 \n\t" //3 |
| 1716 | "movq %%mm4, %%mm1 \n\t" |
| 1717 | |
| 1718 | "psllw $2, %%mm0 \n\t" |
| 1719 | "paddw %%mm2, %%mm4 \n\t" //t10 |
| 1720 | |
| 1721 | "movq "DCTSIZE_S"*0*2+"DCTSIZE_S"(%%"REG_S"), %%mm3 \n\t" |
| 1722 | "psubw %%mm2, %%mm1 \n\t" //t11 |
| 1723 | |
| 1724 | "movq "DCTSIZE_S"*1*2+"DCTSIZE_S"(%%"REG_S"), %%mm2 \n\t" |
| 1725 | "psubw %%mm5, %%mm0 \n\t" |
| 1726 | |
| 1727 | "movq %%mm4, %%mm6 \n\t" |
| 1728 | "paddw %%mm5, %%mm4 \n\t" //t0 |
| 1729 | |
| 1730 | "psubw %%mm5, %%mm6 \n\t" //t3 |
| 1731 | "movq %%mm1, %%mm7 \n\t" |
| 1732 | |
| 1733 | "movq "DCTSIZE_S"*2*2+"DCTSIZE_S"(%%"REG_S"), %%mm5 \n\t" |
| 1734 | "paddw %%mm0, %%mm1 \n\t" //t1 |
| 1735 | |
| 1736 | "movq %%mm4, 0*8+%3 \n\t" //t0 |
| 1737 | "movq %%mm3, %%mm4 \n\t" |
| 1738 | |
| 1739 | "movq %%mm6, 1*8+%3 \n\t" //t3 |
| 1740 | "punpcklwd %%mm2, %%mm3 \n\t" |
| 1741 | |
| 1742 | //transpose 4x4 |
| 1743 | "movq "DCTSIZE_S"*3*2+"DCTSIZE_S"(%%"REG_S"), %%mm6 \n\t" |
| 1744 | "punpckhwd %%mm2, %%mm4 \n\t" |
| 1745 | |
| 1746 | "movq %%mm5, %%mm2 \n\t" |
| 1747 | "punpcklwd %%mm6, %%mm5 \n\t" |
| 1748 | |
| 1749 | "psubw %%mm0, %%mm7 \n\t" //t2 |
| 1750 | "punpckhwd %%mm6, %%mm2 \n\t" |
| 1751 | |
| 1752 | "movq %%mm3, %%mm0 \n\t" |
| 1753 | "punpckldq %%mm5, %%mm3 \n\t" //4 |
| 1754 | |
| 1755 | "punpckhdq %%mm5, %%mm0 \n\t" //5 |
| 1756 | "movq %%mm4, %%mm5 \n\t" |
| 1757 | |
| 1758 | // |
| 1759 | "movq %%mm3, %%mm6 \n\t" |
| 1760 | "punpckldq %%mm2, %%mm4 \n\t" //6 |
| 1761 | |
| 1762 | "psubw %%mm0, %%mm3 \n\t" //z10 |
| 1763 | "punpckhdq %%mm2, %%mm5 \n\t" //7 |
| 1764 | |
| 1765 | "paddw %%mm0, %%mm6 \n\t" //z13 |
| 1766 | "movq %%mm4, %%mm2 \n\t" |
| 1767 | |
| 1768 | "movq %%mm3, %%mm0 \n\t" |
| 1769 | "psubw %%mm5, %%mm4 \n\t" //z12 |
| 1770 | |
| 1771 | "pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm0 \n\t" //- |
| 1772 | "paddw %%mm4, %%mm3 \n\t" |
| 1773 | |
| 1774 | "pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm3 \n\t" //z5 |
| 1775 | "paddw %%mm5, %%mm2 \n\t" //z11 > |
| 1776 | |
| 1777 | "pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm4 \n\t" |
| 1778 | "movq %%mm2, %%mm5 \n\t" |
| 1779 | |
| 1780 | "psubw %%mm6, %%mm2 \n\t" |
| 1781 | "paddw %%mm6, %%mm5 \n\t" //t7 |
| 1782 | |
| 1783 | "pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //t11 |
| 1784 | "paddw %%mm3, %%mm0 \n\t" //t12 |
| 1785 | |
| 1786 | "psllw $3, %%mm0 \n\t" |
| 1787 | "psubw %%mm3, %%mm4 \n\t" //t10 |
| 1788 | |
| 1789 | "movq 0*8+%3, %%mm6 \n\t" |
| 1790 | "movq %%mm1, %%mm3 \n\t" |
| 1791 | |
| 1792 | "psllw $3, %%mm4 \n\t" |
| 1793 | "psubw %%mm5, %%mm0 \n\t" //t6 |
| 1794 | |
| 1795 | "psllw $3, %%mm2 \n\t" |
| 1796 | "paddw %%mm0, %%mm1 \n\t" //d1 |
| 1797 | |
| 1798 | "psubw %%mm0, %%mm2 \n\t" //t5 |
| 1799 | "psubw %%mm0, %%mm3 \n\t" //d6 |
| 1800 | |
| 1801 | "paddw %%mm2, %%mm4 \n\t" //t4 |
| 1802 | "movq %%mm7, %%mm0 \n\t" |
| 1803 | |
| 1804 | "paddw %%mm2, %%mm7 \n\t" //d2 |
| 1805 | "psubw %%mm2, %%mm0 \n\t" //d5 |
| 1806 | |
| 1807 | "movq "MANGLE(MM_DESCALE_RND)", %%mm2 \n\t" //4 |
| 1808 | "psubw %%mm5, %%mm6 \n\t" //d7 |
| 1809 | |
| 1810 | "paddw 0*8+%3, %%mm5 \n\t" //d0 |
| 1811 | "paddw %%mm2, %%mm1 \n\t" |
| 1812 | |
| 1813 | "paddw %%mm2, %%mm5 \n\t" |
| 1814 | "psraw $3, %%mm1 \n\t" |
| 1815 | |
| 1816 | "paddw %%mm2, %%mm7 \n\t" |
| 1817 | "psraw $3, %%mm5 \n\t" |
| 1818 | |
| 1819 | "paddw (%%"REG_D"), %%mm5 \n\t" |
| 1820 | "psraw $3, %%mm7 \n\t" |
| 1821 | |
| 1822 | "paddw (%%"REG_D",%%"REG_a"), %%mm1 \n\t" |
| 1823 | "paddw %%mm2, %%mm0 \n\t" |
| 1824 | |
| 1825 | "paddw (%%"REG_D",%%"REG_a",2), %%mm7 \n\t" |
| 1826 | "paddw %%mm2, %%mm3 \n\t" |
| 1827 | |
| 1828 | "movq %%mm5, (%%"REG_D") \n\t" |
| 1829 | "paddw %%mm2, %%mm6 \n\t" |
| 1830 | |
| 1831 | "movq %%mm1, (%%"REG_D",%%"REG_a") \n\t" |
| 1832 | "psraw $3, %%mm0 \n\t" |
| 1833 | |
| 1834 | "movq %%mm7, (%%"REG_D",%%"REG_a",2) \n\t" |
| 1835 | "add %%"REG_d", %%"REG_D" \n\t" //3*ls |
| 1836 | |
| 1837 | "movq 1*8+%3, %%mm5 \n\t" //t3 |
| 1838 | "psraw $3, %%mm3 \n\t" |
| 1839 | |
| 1840 | "paddw (%%"REG_D",%%"REG_a",2), %%mm0 \n\t" |
| 1841 | "psubw %%mm4, %%mm5 \n\t" //d3 |
| 1842 | |
| 1843 | "paddw (%%"REG_D",%%"REG_d"), %%mm3 \n\t" |
| 1844 | "psraw $3, %%mm6 \n\t" |
| 1845 | |
| 1846 | "paddw 1*8+%3, %%mm4 \n\t" //d4 |
| 1847 | "paddw %%mm2, %%mm5 \n\t" |
| 1848 | |
| 1849 | "paddw (%%"REG_D",%%"REG_a",4), %%mm6 \n\t" |
| 1850 | "paddw %%mm2, %%mm4 \n\t" |
| 1851 | |
| 1852 | "movq %%mm0, (%%"REG_D",%%"REG_a",2) \n\t" |
| 1853 | "psraw $3, %%mm5 \n\t" |
| 1854 | |
| 1855 | "paddw (%%"REG_D"), %%mm5 \n\t" |
| 1856 | "psraw $3, %%mm4 \n\t" |
| 1857 | |
| 1858 | "paddw (%%"REG_D",%%"REG_a"), %%mm4 \n\t" |
| 1859 | "add $"DCTSIZE_S"*2*4, %%"REG_S" \n\t" //4 rows |
| 1860 | |
| 1861 | "movq %%mm3, (%%"REG_D",%%"REG_d") \n\t" |
| 1862 | "movq %%mm6, (%%"REG_D",%%"REG_a",4) \n\t" |
| 1863 | "movq %%mm5, (%%"REG_D") \n\t" |
| 1864 | "movq %%mm4, (%%"REG_D",%%"REG_a") \n\t" |
| 1865 | |
| 1866 | "sub %%"REG_d", %%"REG_D" \n\t" |
| 1867 | "add $8, %%"REG_D" \n\t" |
| 1868 | "dec %%"REG_c" \n\t" |
| 1869 | "jnz 1b \n\t" |
| 1870 | |
| 1871 | : "+S"(workspace), "+D"(output_adr), "+c"(cnt), "=o"(temps) |
| 1872 | : "a"(output_stride*sizeof(short)) |
| 1873 | NAMED_CONSTRAINTS_ADD(MM_FIX_1_414213562_A,MM_FIX_2_613125930,MM_FIX_1_847759065,MM_FIX_1_082392200, |
| 1874 | MM_FIX_1_414213562,MM_DESCALE_RND) |
| 1875 | : "%"REG_d |
| 1876 | ); |
| 1877 | } |
| 1878 | |
| 1879 | #endif // HAVE_MMX |
| 1880 | |
| 1881 | #if !HAVE_MMX |
| 1882 | |
| 1883 | static void row_fdct_c(int16_t *data, const uint8_t *pixels, int line_size, int cnt) |
| 1884 | { |
| 1885 | int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; |
| 1886 | int_simd16_t tmp10, tmp11, tmp12, tmp13; |
| 1887 | int_simd16_t z1, z2, z3, z4, z5, z11, z13; |
| 1888 | int16_t *dataptr; |
| 1889 | |
| 1890 | cnt*=4; |
| 1891 | // Pass 1: process rows. |
| 1892 | |
| 1893 | dataptr = data; |
| 1894 | for (; cnt > 0; cnt--) { |
| 1895 | tmp0 = pixels[line_size*0] + pixels[line_size*7]; |
| 1896 | tmp7 = pixels[line_size*0] - pixels[line_size*7]; |
| 1897 | tmp1 = pixels[line_size*1] + pixels[line_size*6]; |
| 1898 | tmp6 = pixels[line_size*1] - pixels[line_size*6]; |
| 1899 | tmp2 = pixels[line_size*2] + pixels[line_size*5]; |
| 1900 | tmp5 = pixels[line_size*2] - pixels[line_size*5]; |
| 1901 | tmp3 = pixels[line_size*3] + pixels[line_size*4]; |
| 1902 | tmp4 = pixels[line_size*3] - pixels[line_size*4]; |
| 1903 | |
| 1904 | // Even part |
| 1905 | |
| 1906 | tmp10 = tmp0 + tmp3; |
| 1907 | tmp13 = tmp0 - tmp3; |
| 1908 | tmp11 = tmp1 + tmp2; |
| 1909 | tmp12 = tmp1 - tmp2; |
| 1910 | //Even columns are written first, this leads to different order of columns |
| 1911 | //in column_fidct(), but they are processed independently, so all ok. |
| 1912 | //Later in the row_idct() columns readed at the same order. |
| 1913 | dataptr[2] = tmp10 + tmp11; |
| 1914 | dataptr[3] = tmp10 - tmp11; |
| 1915 | |
| 1916 | z1 = MULTIPLY16H((tmp12 + tmp13)<<2, FIX_0_707106781); |
| 1917 | dataptr[0] = tmp13 + z1; |
| 1918 | dataptr[1] = tmp13 - z1; |
| 1919 | |
| 1920 | // Odd part |
| 1921 | |
| 1922 | tmp10 = (tmp4 + tmp5) <<2; |
| 1923 | tmp11 = (tmp5 + tmp6) <<2; |
| 1924 | tmp12 = (tmp6 + tmp7) <<2; |
| 1925 | |
| 1926 | z5 = MULTIPLY16H(tmp10 - tmp12, FIX_0_382683433); |
| 1927 | z2 = MULTIPLY16H(tmp10, FIX_0_541196100) + z5; |
| 1928 | z4 = MULTIPLY16H(tmp12, FIX_1_306562965) + z5; |
| 1929 | z3 = MULTIPLY16H(tmp11, FIX_0_707106781); |
| 1930 | |
| 1931 | z11 = tmp7 + z3; |
| 1932 | z13 = tmp7 - z3; |
| 1933 | |
| 1934 | dataptr[4] = z13 + z2; |
| 1935 | dataptr[5] = z13 - z2; |
| 1936 | dataptr[6] = z11 + z4; |
| 1937 | dataptr[7] = z11 - z4; |
| 1938 | |
| 1939 | pixels++; // advance pointer to next column |
| 1940 | dataptr += DCTSIZE; |
| 1941 | } |
| 1942 | } |
| 1943 | |
| 1944 | #else /* HAVE_MMX */ |
| 1945 | |
| 1946 | static void row_fdct_mmx(int16_t *data, const uint8_t *pixels, int line_size, int cnt) |
| 1947 | { |
| 1948 | DECLARE_ALIGNED(8, uint64_t, temps)[4]; |
| 1949 | __asm__ volatile( |
| 1950 | "lea (%%"REG_a",%%"REG_a",2), %%"REG_d" \n\t" |
| 1951 | "6: \n\t" |
| 1952 | "movd (%%"REG_S"), %%mm0 \n\t" |
| 1953 | "pxor %%mm7, %%mm7 \n\t" |
| 1954 | |
| 1955 | "movd (%%"REG_S",%%"REG_a"), %%mm1 \n\t" |
| 1956 | "punpcklbw %%mm7, %%mm0 \n\t" |
| 1957 | |
| 1958 | "movd (%%"REG_S",%%"REG_a",2), %%mm2 \n\t" |
| 1959 | "punpcklbw %%mm7, %%mm1 \n\t" |
| 1960 | |
| 1961 | "punpcklbw %%mm7, %%mm2 \n\t" |
| 1962 | "add %%"REG_d", %%"REG_S" \n\t" |
| 1963 | |
| 1964 | "movq %%mm0, %%mm5 \n\t" |
| 1965 | // |
| 1966 | |
| 1967 | "movd (%%"REG_S",%%"REG_a",4), %%mm3 \n\t" //7 ;prefetch! |
| 1968 | "movq %%mm1, %%mm6 \n\t" |
| 1969 | |
| 1970 | "movd (%%"REG_S",%%"REG_d"), %%mm4 \n\t" //6 |
| 1971 | "punpcklbw %%mm7, %%mm3 \n\t" |
| 1972 | |
| 1973 | "psubw %%mm3, %%mm5 \n\t" |
| 1974 | "punpcklbw %%mm7, %%mm4 \n\t" |
| 1975 | |
| 1976 | "paddw %%mm3, %%mm0 \n\t" |
| 1977 | "psubw %%mm4, %%mm6 \n\t" |
| 1978 | |
| 1979 | "movd (%%"REG_S",%%"REG_a",2), %%mm3 \n\t" //5 |
| 1980 | "paddw %%mm4, %%mm1 \n\t" |
| 1981 | |
| 1982 | "movq %%mm5, %3 \n\t" //t7 |
| 1983 | "punpcklbw %%mm7, %%mm3 \n\t" |
| 1984 | |
| 1985 | "movq %%mm6, %4 \n\t" //t6 |
| 1986 | "movq %%mm2, %%mm4 \n\t" |
| 1987 | |
| 1988 | "movd (%%"REG_S"), %%mm5 \n\t" //3 |
| 1989 | "paddw %%mm3, %%mm2 \n\t" |
| 1990 | |
| 1991 | "movd (%%"REG_S",%%"REG_a"), %%mm6 \n\t" //4 |
| 1992 | "punpcklbw %%mm7, %%mm5 \n\t" |
| 1993 | |
| 1994 | "psubw %%mm3, %%mm4 \n\t" |
| 1995 | "punpcklbw %%mm7, %%mm6 \n\t" |
| 1996 | |
| 1997 | "movq %%mm5, %%mm3 \n\t" |
| 1998 | "paddw %%mm6, %%mm5 \n\t" //t3 |
| 1999 | |
| 2000 | "psubw %%mm6, %%mm3 \n\t" //t4 ; t0 t1 t2 t4 t5 t3 - - |
| 2001 | "movq %%mm0, %%mm6 \n\t" |
| 2002 | |
| 2003 | "movq %%mm1, %%mm7 \n\t" |
| 2004 | "psubw %%mm5, %%mm0 \n\t" //t13 |
| 2005 | |
| 2006 | "psubw %%mm2, %%mm1 \n\t" |
| 2007 | "paddw %%mm2, %%mm7 \n\t" //t11 |
| 2008 | |
| 2009 | "paddw %%mm0, %%mm1 \n\t" |
| 2010 | "movq %%mm7, %%mm2 \n\t" |
| 2011 | |
| 2012 | "psllw $2, %%mm1 \n\t" |
| 2013 | "paddw %%mm5, %%mm6 \n\t" //t10 |
| 2014 | |
| 2015 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm1 \n\t" |
| 2016 | "paddw %%mm6, %%mm7 \n\t" //d2 |
| 2017 | |
| 2018 | "psubw %%mm2, %%mm6 \n\t" //d3 |
| 2019 | "movq %%mm0, %%mm5 \n\t" |
| 2020 | |
| 2021 | //transpose 4x4 |
| 2022 | "movq %%mm7, %%mm2 \n\t" |
| 2023 | "punpcklwd %%mm6, %%mm7 \n\t" |
| 2024 | |
| 2025 | "paddw %%mm1, %%mm0 \n\t" //d0 |
| 2026 | "punpckhwd %%mm6, %%mm2 \n\t" |
| 2027 | |
| 2028 | "psubw %%mm1, %%mm5 \n\t" //d1 |
| 2029 | "movq %%mm0, %%mm6 \n\t" |
| 2030 | |
| 2031 | "movq %4, %%mm1 \n\t" |
| 2032 | "punpcklwd %%mm5, %%mm0 \n\t" |
| 2033 | |
| 2034 | "punpckhwd %%mm5, %%mm6 \n\t" |
| 2035 | "movq %%mm0, %%mm5 \n\t" |
| 2036 | |
| 2037 | "punpckldq %%mm7, %%mm0 \n\t" //0 |
| 2038 | "paddw %%mm4, %%mm3 \n\t" |
| 2039 | |
| 2040 | "punpckhdq %%mm7, %%mm5 \n\t" //1 |
| 2041 | "movq %%mm6, %%mm7 \n\t" |
| 2042 | |
| 2043 | "movq %%mm0, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
| 2044 | "punpckldq %%mm2, %%mm6 \n\t" //2 |
| 2045 | |
| 2046 | "movq %%mm5, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
| 2047 | "punpckhdq %%mm2, %%mm7 \n\t" //3 |
| 2048 | |
| 2049 | "movq %%mm6, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
| 2050 | "paddw %%mm1, %%mm4 \n\t" |
| 2051 | |
| 2052 | "movq %%mm7, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
| 2053 | "psllw $2, %%mm3 \n\t" //t10 |
| 2054 | |
| 2055 | "movq %3, %%mm2 \n\t" |
| 2056 | "psllw $2, %%mm4 \n\t" //t11 |
| 2057 | |
| 2058 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm4 \n\t" //z3 |
| 2059 | "paddw %%mm2, %%mm1 \n\t" |
| 2060 | |
| 2061 | "psllw $2, %%mm1 \n\t" //t12 |
| 2062 | "movq %%mm3, %%mm0 \n\t" |
| 2063 | |
| 2064 | "pmulhw "MANGLE(ff_MM_FIX_0_541196100)", %%mm0 \n\t" |
| 2065 | "psubw %%mm1, %%mm3 \n\t" |
| 2066 | |
| 2067 | "pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" //z5 |
| 2068 | "movq %%mm2, %%mm5 \n\t" |
| 2069 | |
| 2070 | "pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm1 \n\t" |
| 2071 | "psubw %%mm4, %%mm2 \n\t" //z13 |
| 2072 | |
| 2073 | "paddw %%mm4, %%mm5 \n\t" //z11 |
| 2074 | "movq %%mm2, %%mm6 \n\t" |
| 2075 | |
| 2076 | "paddw %%mm3, %%mm0 \n\t" //z2 |
| 2077 | "movq %%mm5, %%mm7 \n\t" |
| 2078 | |
| 2079 | "paddw %%mm0, %%mm2 \n\t" //d4 |
| 2080 | "psubw %%mm0, %%mm6 \n\t" //d5 |
| 2081 | |
| 2082 | "movq %%mm2, %%mm4 \n\t" |
| 2083 | "paddw %%mm3, %%mm1 \n\t" //z4 |
| 2084 | |
| 2085 | //transpose 4x4 |
| 2086 | "punpcklwd %%mm6, %%mm2 \n\t" |
| 2087 | "paddw %%mm1, %%mm5 \n\t" //d6 |
| 2088 | |
| 2089 | "punpckhwd %%mm6, %%mm4 \n\t" |
| 2090 | "psubw %%mm1, %%mm7 \n\t" //d7 |
| 2091 | |
| 2092 | "movq %%mm5, %%mm6 \n\t" |
| 2093 | "punpcklwd %%mm7, %%mm5 \n\t" |
| 2094 | |
| 2095 | "punpckhwd %%mm7, %%mm6 \n\t" |
| 2096 | "movq %%mm2, %%mm7 \n\t" |
| 2097 | |
| 2098 | "punpckldq %%mm5, %%mm2 \n\t" //4 |
| 2099 | "sub %%"REG_d", %%"REG_S" \n\t" |
| 2100 | |
| 2101 | "punpckhdq %%mm5, %%mm7 \n\t" //5 |
| 2102 | "movq %%mm4, %%mm5 \n\t" |
| 2103 | |
| 2104 | "movq %%mm2, "DCTSIZE_S"*0*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
| 2105 | "punpckldq %%mm6, %%mm4 \n\t" //6 |
| 2106 | |
| 2107 | "movq %%mm7, "DCTSIZE_S"*1*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
| 2108 | "punpckhdq %%mm6, %%mm5 \n\t" //7 |
| 2109 | |
| 2110 | "movq %%mm4, "DCTSIZE_S"*2*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
| 2111 | "add $4, %%"REG_S" \n\t" |
| 2112 | |
| 2113 | "movq %%mm5, "DCTSIZE_S"*3*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
| 2114 | "add $"DCTSIZE_S"*2*4, %%"REG_D" \n\t" //4 rows |
| 2115 | "dec %%"REG_c" \n\t" |
| 2116 | "jnz 6b \n\t" |
| 2117 | |
| 2118 | : "+S"(pixels), "+D"(data), "+c"(cnt), "=o"(temps), "=o"(temps[1]) |
| 2119 | : "a"(line_size) |
| 2120 | NAMED_CONSTRAINTS_ADD(ff_MM_FIX_0_707106781,ff_MM_FIX_0_541196100,MM_FIX_0_382683433,MM_FIX_1_306562965) |
| 2121 | : "%"REG_d); |
| 2122 | } |
| 2123 | |
| 2124 | #endif // HAVE_MMX |