git.sesse.net Git - ffmpeg/blob - libavcodec/x86/vc1dsp_mmx.c

   1 /*
   2  * VC-1 and WMV3 - DSP functions MMX-optimized
   3  * Copyright (c) 2007 Christophe GISQUET <christophe.gisquet@free.fr>
   4  *
   5  * Permission is hereby granted, free of charge, to any person
   6  * obtaining a copy of this software and associated documentation
   7  * files (the "Software"), to deal in the Software without
   8  * restriction, including without limitation the rights to use,
   9  * copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following
  12  * conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be
  15  * included in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  19  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  21  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  22  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  24  * OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 #include "libavutil/cpu.h"
  28 #include "libavutil/internal.h"
  29 #include "libavutil/mem.h"
  30 #include "libavutil/x86/asm.h"
  31 #include "libavutil/x86/cpu.h"
  32 #include "libavcodec/dsputil.h"
  33 #include "dsputil_mmx.h"
  34 #include "libavcodec/vc1dsp.h"
  35 #include "vc1dsp.h"
  36
  37 #if HAVE_INLINE_ASM
  38
  39 #define OP_PUT(S,D)
  40 #define OP_AVG(S,D) "pavgb " #S ", " #D " \n\t"
  41
  42 /** Add rounder from mm7 to mm3 and pack result at destination */
  43 #define NORMALIZE_MMX(SHIFT)                                    \
  44      "paddw     %%mm7, %%mm3           \n\t" /* +bias-r */      \
  45      "paddw     %%mm7, %%mm4           \n\t" /* +bias-r */      \
  46      "psraw     "SHIFT", %%mm3         \n\t"                    \
  47      "psraw     "SHIFT", %%mm4         \n\t"
  48
  49 #define TRANSFER_DO_PACK(OP)                    \
  50      "packuswb  %%mm4, %%mm3           \n\t"    \
  51      OP((%2), %%mm3)                            \
  52      "movq      %%mm3, (%2)            \n\t"
  53
  54 #define TRANSFER_DONT_PACK(OP)                  \
  55      OP(0(%2), %%mm3)                           \
  56      OP(8(%2), %%mm4)                           \
  57      "movq      %%mm3, 0(%2)           \n\t"    \
  58      "movq      %%mm4, 8(%2)           \n\t"
  59
  60 /** @see MSPEL_FILTER13_CORE for use as UNPACK macro */
  61 #define DO_UNPACK(reg)  "punpcklbw %%mm0, " reg "\n\t"
  62 #define DONT_UNPACK(reg)
  63
  64 /** Compute the rounder 32-r or 8-r and unpacks it to mm7 */
  65 #define LOAD_ROUNDER_MMX(ROUND)                 \
  66      "movd      "ROUND", %%mm7         \n\t"    \
  67      "punpcklwd %%mm7, %%mm7           \n\t"    \
  68      "punpckldq %%mm7, %%mm7           \n\t"
  69
  70 #define SHIFT2_LINE(OFF, R0,R1,R2,R3)           \
  71     "paddw     %%mm"#R2", %%mm"#R1"    \n\t"    \
  72     "movd      (%0,%3), %%mm"#R0"      \n\t"    \
  73     "pmullw    %%mm6, %%mm"#R1"        \n\t"    \
  74     "punpcklbw %%mm0, %%mm"#R0"        \n\t"    \
  75     "movd      (%0,%2), %%mm"#R3"      \n\t"    \
  76     "psubw     %%mm"#R0", %%mm"#R1"    \n\t"    \
  77     "punpcklbw %%mm0, %%mm"#R3"        \n\t"    \
  78     "paddw     %%mm7, %%mm"#R1"        \n\t"    \
  79     "psubw     %%mm"#R3", %%mm"#R1"    \n\t"    \
  80     "psraw     %4, %%mm"#R1"           \n\t"    \
  81     "movq      %%mm"#R1", "#OFF"(%1)   \n\t"    \
  82     "add       %2, %0                  \n\t"
  83
  84 /** Sacrifying mm6 allows to pipeline loads from src */
  85 static void vc1_put_ver_16b_shift2_mmx(int16_t *dst,
  86                                        const uint8_t *src, x86_reg stride,
  87                                        int rnd, int64_t shift)
  88 {
  89     __asm__ volatile(
  90         "mov       $3, %%"REG_c"           \n\t"
  91         LOAD_ROUNDER_MMX("%5")
  92         "movq      "MANGLE(ff_pw_9)", %%mm6 \n\t"
  93         "1:                                \n\t"
  94         "movd      (%0), %%mm2             \n\t"
  95         "add       %2, %0                  \n\t"
  96         "movd      (%0), %%mm3             \n\t"
  97         "punpcklbw %%mm0, %%mm2            \n\t"
  98         "punpcklbw %%mm0, %%mm3            \n\t"
  99         SHIFT2_LINE(  0, 1, 2, 3, 4)
 100         SHIFT2_LINE( 24, 2, 3, 4, 1)
 101         SHIFT2_LINE( 48, 3, 4, 1, 2)
 102         SHIFT2_LINE( 72, 4, 1, 2, 3)
 103         SHIFT2_LINE( 96, 1, 2, 3, 4)
 104         SHIFT2_LINE(120, 2, 3, 4, 1)
 105         SHIFT2_LINE(144, 3, 4, 1, 2)
 106         SHIFT2_LINE(168, 4, 1, 2, 3)
 107         "sub       %6, %0                  \n\t"
 108         "add       $8, %1                  \n\t"
 109         "dec       %%"REG_c"               \n\t"
 110         "jnz 1b                            \n\t"
 111         : "+r"(src), "+r"(dst)
 112         : "r"(stride), "r"(-2*stride),
 113           "m"(shift), "m"(rnd), "r"(9*stride-4)
 114         : "%"REG_c, "memory"
 115     );
 116 }
 117
 118 /**
 119  * Data is already unpacked, so some operations can directly be made from
 120  * memory.
 121  */
 122 #define VC1_HOR_16b_SHIFT2(OP, OPNAME)\
 123 static void OPNAME ## vc1_hor_16b_shift2_mmx(uint8_t *dst, x86_reg stride,\
 124                                              const int16_t *src, int rnd)\
 125 {\
 126     int h = 8;\
 127 \
 128     src -= 1;\
 129     rnd -= (-1+9+9-1)*1024; /* Add -1024 bias */\
 130     __asm__ volatile(\
 131         LOAD_ROUNDER_MMX("%4")\
 132         "movq      "MANGLE(ff_pw_128)", %%mm6\n\t"\
 133         "movq      "MANGLE(ff_pw_9)", %%mm5 \n\t"\
 134         "1:                                \n\t"\
 135         "movq      2*0+0(%1), %%mm1        \n\t"\
 136         "movq      2*0+8(%1), %%mm2        \n\t"\
 137         "movq      2*1+0(%1), %%mm3        \n\t"\
 138         "movq      2*1+8(%1), %%mm4        \n\t"\
 139         "paddw     2*3+0(%1), %%mm1        \n\t"\
 140         "paddw     2*3+8(%1), %%mm2        \n\t"\
 141         "paddw     2*2+0(%1), %%mm3        \n\t"\
 142         "paddw     2*2+8(%1), %%mm4        \n\t"\
 143         "pmullw    %%mm5, %%mm3            \n\t"\
 144         "pmullw    %%mm5, %%mm4            \n\t"\
 145         "psubw     %%mm1, %%mm3            \n\t"\
 146         "psubw     %%mm2, %%mm4            \n\t"\
 147         NORMALIZE_MMX("$7")\
 148         /* Remove bias */\
 149         "paddw     %%mm6, %%mm3            \n\t"\
 150         "paddw     %%mm6, %%mm4            \n\t"\
 151         TRANSFER_DO_PACK(OP)\
 152         "add       $24, %1                 \n\t"\
 153         "add       %3, %2                  \n\t"\
 154         "decl      %0                      \n\t"\
 155         "jnz 1b                            \n\t"\
 156         : "+r"(h), "+r" (src),  "+r" (dst)\
 157         : "r"(stride), "m"(rnd)\
 158         : "memory"\
 159     );\
 160 }
 161
 162 VC1_HOR_16b_SHIFT2(OP_PUT, put_)
 163 VC1_HOR_16b_SHIFT2(OP_AVG, avg_)
 164
 165
 166 /**
 167  * Purely vertical or horizontal 1/2 shift interpolation.
 168  * Sacrify mm6 for *9 factor.
 169  */
 170 #define VC1_SHIFT2(OP, OPNAME)\
 171 static void OPNAME ## vc1_shift2_mmx(uint8_t *dst, const uint8_t *src,\
 172                                      x86_reg stride, int rnd, x86_reg offset)\
 173 {\
 174     rnd = 8-rnd;\
 175     __asm__ volatile(\
 176         "mov       $8, %%"REG_c"           \n\t"\
 177         LOAD_ROUNDER_MMX("%5")\
 178         "movq      "MANGLE(ff_pw_9)", %%mm6\n\t"\
 179         "1:                                \n\t"\
 180         "movd      0(%0   ), %%mm3         \n\t"\
 181         "movd      4(%0   ), %%mm4         \n\t"\
 182         "movd      0(%0,%2), %%mm1         \n\t"\
 183         "movd      4(%0,%2), %%mm2         \n\t"\
 184         "add       %2, %0                  \n\t"\
 185         "punpcklbw %%mm0, %%mm3            \n\t"\
 186         "punpcklbw %%mm0, %%mm4            \n\t"\
 187         "punpcklbw %%mm0, %%mm1            \n\t"\
 188         "punpcklbw %%mm0, %%mm2            \n\t"\
 189         "paddw     %%mm1, %%mm3            \n\t"\
 190         "paddw     %%mm2, %%mm4            \n\t"\
 191         "movd      0(%0,%3), %%mm1         \n\t"\
 192         "movd      4(%0,%3), %%mm2         \n\t"\
 193         "pmullw    %%mm6, %%mm3            \n\t" /* 0,9,9,0*/\
 194         "pmullw    %%mm6, %%mm4            \n\t" /* 0,9,9,0*/\
 195         "punpcklbw %%mm0, %%mm1            \n\t"\
 196         "punpcklbw %%mm0, %%mm2            \n\t"\
 197         "psubw     %%mm1, %%mm3            \n\t" /*-1,9,9,0*/\
 198         "psubw     %%mm2, %%mm4            \n\t" /*-1,9,9,0*/\
 199         "movd      0(%0,%2), %%mm1         \n\t"\
 200         "movd      4(%0,%2), %%mm2         \n\t"\
 201         "punpcklbw %%mm0, %%mm1            \n\t"\
 202         "punpcklbw %%mm0, %%mm2            \n\t"\
 203         "psubw     %%mm1, %%mm3            \n\t" /*-1,9,9,-1*/\
 204         "psubw     %%mm2, %%mm4            \n\t" /*-1,9,9,-1*/\
 205         NORMALIZE_MMX("$4")\
 206         "packuswb  %%mm4, %%mm3            \n\t"\
 207         OP((%1), %%mm3)\
 208         "movq      %%mm3, (%1)             \n\t"\
 209         "add       %6, %0                  \n\t"\
 210         "add       %4, %1                  \n\t"\
 211         "dec       %%"REG_c"               \n\t"\
 212         "jnz 1b                            \n\t"\
 213         : "+r"(src),  "+r"(dst)\
 214         : "r"(offset), "r"(-2*offset), "g"(stride), "m"(rnd),\
 215           "g"(stride-offset)\
 216         : "%"REG_c, "memory"\
 217     );\
 218 }
 219
 220 VC1_SHIFT2(OP_PUT, put_)
 221 VC1_SHIFT2(OP_AVG, avg_)
 222
 223 /**
 224  * Core of the 1/4 and 3/4 shift bicubic interpolation.
 225  *
 226  * @param UNPACK  Macro unpacking arguments from 8 to 16bits (can be empty).
 227  * @param MOVQ    "movd 1" or "movq 2", if data read is already unpacked.
 228  * @param A1      Address of 1st tap (beware of unpacked/packed).
 229  * @param A2      Address of 2nd tap
 230  * @param A3      Address of 3rd tap
 231  * @param A4      Address of 4th tap
 232  */
 233 #define MSPEL_FILTER13_CORE(UNPACK, MOVQ, A1, A2, A3, A4)       \
 234      MOVQ "*0+"A1", %%mm1       \n\t"                           \
 235      MOVQ "*4+"A1", %%mm2       \n\t"                           \
 236      UNPACK("%%mm1")                                            \
 237      UNPACK("%%mm2")                                            \
 238      "pmullw    "MANGLE(ff_pw_3)", %%mm1\n\t"                   \
 239      "pmullw    "MANGLE(ff_pw_3)", %%mm2\n\t"                   \
 240      MOVQ "*0+"A2", %%mm3       \n\t"                           \
 241      MOVQ "*4+"A2", %%mm4       \n\t"                           \
 242      UNPACK("%%mm3")                                            \
 243      UNPACK("%%mm4")                                            \
 244      "pmullw    %%mm6, %%mm3    \n\t" /* *18 */                 \
 245      "pmullw    %%mm6, %%mm4    \n\t" /* *18 */                 \
 246      "psubw     %%mm1, %%mm3    \n\t" /* 18,-3 */               \
 247      "psubw     %%mm2, %%mm4    \n\t" /* 18,-3 */               \
 248      MOVQ "*0+"A4", %%mm1       \n\t"                           \
 249      MOVQ "*4+"A4", %%mm2       \n\t"                           \
 250      UNPACK("%%mm1")                                            \
 251      UNPACK("%%mm2")                                            \
 252      "psllw     $2, %%mm1       \n\t" /* 4* */                  \
 253      "psllw     $2, %%mm2       \n\t" /* 4* */                  \
 254      "psubw     %%mm1, %%mm3    \n\t" /* -4,18,-3 */            \
 255      "psubw     %%mm2, %%mm4    \n\t" /* -4,18,-3 */            \
 256      MOVQ "*0+"A3", %%mm1       \n\t"                           \
 257      MOVQ "*4+"A3", %%mm2       \n\t"                           \
 258      UNPACK("%%mm1")                                            \
 259      UNPACK("%%mm2")                                            \
 260      "pmullw    %%mm5, %%mm1    \n\t" /* *53 */                 \
 261      "pmullw    %%mm5, %%mm2    \n\t" /* *53 */                 \
 262      "paddw     %%mm1, %%mm3    \n\t" /* 4,53,18,-3 */          \
 263      "paddw     %%mm2, %%mm4    \n\t" /* 4,53,18,-3 */
 264
 265 /**
 266  * Macro to build the vertical 16bits version of vc1_put_shift[13].
 267  * Here, offset=src_stride. Parameters passed A1 to A4 must use
 268  * %3 (src_stride) and %4 (3*src_stride).
 269  *
 270  * @param  NAME   Either 1 or 3
 271  * @see MSPEL_FILTER13_CORE for information on A1->A4
 272  */
 273 #define MSPEL_FILTER13_VER_16B(NAME, A1, A2, A3, A4)                    \
 274 static void                                                             \
 275 vc1_put_ver_16b_ ## NAME ## _mmx(int16_t *dst, const uint8_t *src,      \
 276                                  x86_reg src_stride,                   \
 277                                  int rnd, int64_t shift)                \
 278 {                                                                       \
 279     int h = 8;                                                          \
 280     src -= src_stride;                                                  \
 281     __asm__ volatile(                                                       \
 282         LOAD_ROUNDER_MMX("%5")                                          \
 283         "movq      "MANGLE(ff_pw_53)", %%mm5\n\t"                       \
 284         "movq      "MANGLE(ff_pw_18)", %%mm6\n\t"                       \
 285         ".p2align 3                \n\t"                                \
 286         "1:                        \n\t"                                \
 287         MSPEL_FILTER13_CORE(DO_UNPACK, "movd  1", A1, A2, A3, A4)       \
 288         NORMALIZE_MMX("%6")                                             \
 289         TRANSFER_DONT_PACK(OP_PUT)                                      \
 290         /* Last 3 (in fact 4) bytes on the line */                      \
 291         "movd      8+"A1", %%mm1   \n\t"                                \
 292         DO_UNPACK("%%mm1")                                              \
 293         "movq      %%mm1, %%mm3    \n\t"                                \
 294         "paddw     %%mm1, %%mm1    \n\t"                                \
 295         "paddw     %%mm3, %%mm1    \n\t" /* 3* */                       \
 296         "movd      8+"A2", %%mm3   \n\t"                                \
 297         DO_UNPACK("%%mm3")                                              \
 298         "pmullw    %%mm6, %%mm3    \n\t" /* *18 */                      \
 299         "psubw     %%mm1, %%mm3    \n\t" /*18,-3 */                     \
 300         "movd      8+"A3", %%mm1   \n\t"                                \
 301         DO_UNPACK("%%mm1")                                              \
 302         "pmullw    %%mm5, %%mm1    \n\t" /* *53 */                      \
 303         "paddw     %%mm1, %%mm3    \n\t" /*53,18,-3 */                  \
 304         "movd      8+"A4", %%mm1   \n\t"                                \
 305         DO_UNPACK("%%mm1")                                              \
 306         "psllw     $2, %%mm1       \n\t" /* 4* */                       \
 307         "psubw     %%mm1, %%mm3    \n\t"                                \
 308         "paddw     %%mm7, %%mm3    \n\t"                                \
 309         "psraw     %6, %%mm3       \n\t"                                \
 310         "movq      %%mm3, 16(%2)   \n\t"                                \
 311         "add       %3, %1          \n\t"                                \
 312         "add       $24, %2         \n\t"                                \
 313         "decl      %0              \n\t"                                \
 314         "jnz 1b                    \n\t"                                \
 315         : "+r"(h), "+r" (src),  "+r" (dst)                              \
 316         : "r"(src_stride), "r"(3*src_stride),                           \
 317           "m"(rnd), "m"(shift)                                          \
 318         : "memory"                                                      \
 319     );                                                                  \
 320 }
 321
 322 /**
 323  * Macro to build the horizontal 16bits version of vc1_put_shift[13].
 324  * Here, offset=16bits, so parameters passed A1 to A4 should be simple.
 325  *
 326  * @param  NAME   Either 1 or 3
 327  * @see MSPEL_FILTER13_CORE for information on A1->A4
 328  */
 329 #define MSPEL_FILTER13_HOR_16B(NAME, A1, A2, A3, A4, OP, OPNAME)        \
 330 static void                                                             \
 331 OPNAME ## vc1_hor_16b_ ## NAME ## _mmx(uint8_t *dst, x86_reg stride,    \
 332                                  const int16_t *src, int rnd)           \
 333 {                                                                       \
 334     int h = 8;                                                          \
 335     src -= 1;                                                           \
 336     rnd -= (-4+58+13-3)*256; /* Add -256 bias */                        \
 337     __asm__ volatile(                                                       \
 338         LOAD_ROUNDER_MMX("%4")                                          \
 339         "movq      "MANGLE(ff_pw_18)", %%mm6   \n\t"                    \
 340         "movq      "MANGLE(ff_pw_53)", %%mm5   \n\t"                    \
 341         ".p2align 3                \n\t"                                \
 342         "1:                        \n\t"                                \
 343         MSPEL_FILTER13_CORE(DONT_UNPACK, "movq 2", A1, A2, A3, A4)      \
 344         NORMALIZE_MMX("$7")                                             \
 345         /* Remove bias */                                               \
 346         "paddw     "MANGLE(ff_pw_128)", %%mm3  \n\t"                    \
 347         "paddw     "MANGLE(ff_pw_128)", %%mm4  \n\t"                    \
 348         TRANSFER_DO_PACK(OP)                                            \
 349         "add       $24, %1         \n\t"                                \
 350         "add       %3, %2          \n\t"                                \
 351         "decl      %0              \n\t"                                \
 352         "jnz 1b                    \n\t"                                \
 353         : "+r"(h), "+r" (src),  "+r" (dst)                              \
 354         : "r"(stride), "m"(rnd)                                         \
 355         : "memory"                                                      \
 356     );                                                                  \
 357 }
 358
 359 /**
 360  * Macro to build the 8bits, any direction, version of vc1_put_shift[13].
 361  * Here, offset=src_stride. Parameters passed A1 to A4 must use
 362  * %3 (offset) and %4 (3*offset).
 363  *
 364  * @param  NAME   Either 1 or 3
 365  * @see MSPEL_FILTER13_CORE for information on A1->A4
 366  */
 367 #define MSPEL_FILTER13_8B(NAME, A1, A2, A3, A4, OP, OPNAME)             \
 368 static void                                                             \
 369 OPNAME ## vc1_## NAME ## _mmx(uint8_t *dst, const uint8_t *src,         \
 370                         x86_reg stride, int rnd, x86_reg offset)      \
 371 {                                                                       \
 372     int h = 8;                                                          \
 373     src -= offset;                                                      \
 374     rnd = 32-rnd;                                                       \
 375     __asm__ volatile (                                                      \
 376         LOAD_ROUNDER_MMX("%6")                                          \
 377         "movq      "MANGLE(ff_pw_53)", %%mm5       \n\t"                \
 378         "movq      "MANGLE(ff_pw_18)", %%mm6       \n\t"                \
 379         ".p2align 3                \n\t"                                \
 380         "1:                        \n\t"                                \
 381         MSPEL_FILTER13_CORE(DO_UNPACK, "movd   1", A1, A2, A3, A4)      \
 382         NORMALIZE_MMX("$6")                                             \
 383         TRANSFER_DO_PACK(OP)                                            \
 384         "add       %5, %1          \n\t"                                \
 385         "add       %5, %2          \n\t"                                \
 386         "decl      %0              \n\t"                                \
 387         "jnz 1b                    \n\t"                                \
 388         : "+r"(h), "+r" (src),  "+r" (dst)                              \
 389         : "r"(offset), "r"(3*offset), "g"(stride), "m"(rnd)             \
 390         : "memory"                                                      \
 391     );                                                                  \
 392 }
 393
 394 /** 1/4 shift bicubic interpolation */
 395 MSPEL_FILTER13_8B     (shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )", OP_PUT, put_)
 396 MSPEL_FILTER13_8B     (shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )", OP_AVG, avg_)
 397 MSPEL_FILTER13_VER_16B(shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )")
 398 MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)", OP_PUT, put_)
 399 MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)", OP_AVG, avg_)
 400
 401 /** 3/4 shift bicubic interpolation */
 402 MSPEL_FILTER13_8B     (shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )", OP_PUT, put_)
 403 MSPEL_FILTER13_8B     (shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )", OP_AVG, avg_)
 404 MSPEL_FILTER13_VER_16B(shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )")
 405 MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)", OP_PUT, put_)
 406 MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)", OP_AVG, avg_)
 407
 408 typedef void (*vc1_mspel_mc_filter_ver_16bits)(int16_t *dst, const uint8_t *src, x86_reg src_stride, int rnd, int64_t shift);
 409 typedef void (*vc1_mspel_mc_filter_hor_16bits)(uint8_t *dst, x86_reg dst_stride, const int16_t *src, int rnd);
 410 typedef void (*vc1_mspel_mc_filter_8bits)(uint8_t *dst, const uint8_t *src, x86_reg stride, int rnd, x86_reg offset);
 411
 412 /**
 413  * Interpolate fractional pel values by applying proper vertical then
 414  * horizontal filter.
 415  *
 416  * @param  dst     Destination buffer for interpolated pels.
 417  * @param  src     Source buffer.
 418  * @param  stride  Stride for both src and dst buffers.
 419  * @param  hmode   Horizontal filter (expressed in quarter pixels shift).
 420  * @param  hmode   Vertical filter.
 421  * @param  rnd     Rounding bias.
 422  */
 423 #define VC1_MSPEL_MC(OP)\
 424 static void OP ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride,\
 425                                int hmode, int vmode, int rnd)\
 426 {\
 427     static const vc1_mspel_mc_filter_ver_16bits vc1_put_shift_ver_16bits[] =\
 428          { NULL, vc1_put_ver_16b_shift1_mmx, vc1_put_ver_16b_shift2_mmx, vc1_put_ver_16b_shift3_mmx };\
 429     static const vc1_mspel_mc_filter_hor_16bits vc1_put_shift_hor_16bits[] =\
 430          { NULL, OP ## vc1_hor_16b_shift1_mmx, OP ## vc1_hor_16b_shift2_mmx, OP ## vc1_hor_16b_shift3_mmx };\
 431     static const vc1_mspel_mc_filter_8bits vc1_put_shift_8bits[] =\
 432          { NULL, OP ## vc1_shift1_mmx, OP ## vc1_shift2_mmx, OP ## vc1_shift3_mmx };\
 433 \
 434     __asm__ volatile(\
 435         "pxor %%mm0, %%mm0         \n\t"\
 436         ::: "memory"\
 437     );\
 438 \
 439     if (vmode) { /* Vertical filter to apply */\
 440         if (hmode) { /* Horizontal filter to apply, output to tmp */\
 441             static const int shift_value[] = { 0, 5, 1, 5 };\
 442             int              shift = (shift_value[hmode]+shift_value[vmode])>>1;\
 443             int              r;\
 444             DECLARE_ALIGNED(16, int16_t, tmp)[12*8];\
 445 \
 446             r = (1<<(shift-1)) + rnd-1;\
 447             vc1_put_shift_ver_16bits[vmode](tmp, src-1, stride, r, shift);\
 448 \
 449             vc1_put_shift_hor_16bits[hmode](dst, stride, tmp+1, 64-rnd);\
 450             return;\
 451         }\
 452         else { /* No horizontal filter, output 8 lines to dst */\
 453             vc1_put_shift_8bits[vmode](dst, src, stride, 1-rnd, stride);\
 454             return;\
 455         }\
 456     }\
 457 \
 458     /* Horizontal mode with no vertical mode */\
 459     vc1_put_shift_8bits[hmode](dst, src, stride, rnd, 1);\
 460 }
 461
 462 VC1_MSPEL_MC(put_)
 463 VC1_MSPEL_MC(avg_)
 464
 465 /** Macro to ease bicubic filter interpolation functions declarations */
 466 #define DECLARE_FUNCTION(a, b)                                          \
 467 static void put_vc1_mspel_mc ## a ## b ## _mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
 468      put_vc1_mspel_mc(dst, src, stride, a, b, rnd);                     \
 469 }\
 470 static void avg_vc1_mspel_mc ## a ## b ## _mmxext(uint8_t *dst,         \
 471                                                   const uint8_t *src,   \
 472                                                   int stride, int rnd)  \
 473 {                                                                       \
 474      avg_vc1_mspel_mc(dst, src, stride, a, b, rnd);                     \
 475 }
 476
 477 DECLARE_FUNCTION(0, 1)
 478 DECLARE_FUNCTION(0, 2)
 479 DECLARE_FUNCTION(0, 3)
 480
 481 DECLARE_FUNCTION(1, 0)
 482 DECLARE_FUNCTION(1, 1)
 483 DECLARE_FUNCTION(1, 2)
 484 DECLARE_FUNCTION(1, 3)
 485
 486 DECLARE_FUNCTION(2, 0)
 487 DECLARE_FUNCTION(2, 1)
 488 DECLARE_FUNCTION(2, 2)
 489 DECLARE_FUNCTION(2, 3)
 490
 491 DECLARE_FUNCTION(3, 0)
 492 DECLARE_FUNCTION(3, 1)
 493 DECLARE_FUNCTION(3, 2)
 494 DECLARE_FUNCTION(3, 3)
 495
 496 static void vc1_inv_trans_4x4_dc_mmxext(uint8_t *dest, int linesize,
 497                                         int16_t *block)
 498 {
 499     int dc = block[0];
 500     dc = (17 * dc +  4) >> 3;
 501     dc = (17 * dc + 64) >> 7;
 502     __asm__ volatile(
 503         "movd          %0, %%mm0 \n\t"
 504         "pshufw $0, %%mm0, %%mm0 \n\t"
 505         "pxor       %%mm1, %%mm1 \n\t"
 506         "psubw      %%mm0, %%mm1 \n\t"
 507         "packuswb   %%mm0, %%mm0 \n\t"
 508         "packuswb   %%mm1, %%mm1 \n\t"
 509         ::"r"(dc)
 510     );
 511     __asm__ volatile(
 512         "movd          %0, %%mm2 \n\t"
 513         "movd          %1, %%mm3 \n\t"
 514         "movd          %2, %%mm4 \n\t"
 515         "movd          %3, %%mm5 \n\t"
 516         "paddusb    %%mm0, %%mm2 \n\t"
 517         "paddusb    %%mm0, %%mm3 \n\t"
 518         "paddusb    %%mm0, %%mm4 \n\t"
 519         "paddusb    %%mm0, %%mm5 \n\t"
 520         "psubusb    %%mm1, %%mm2 \n\t"
 521         "psubusb    %%mm1, %%mm3 \n\t"
 522         "psubusb    %%mm1, %%mm4 \n\t"
 523         "psubusb    %%mm1, %%mm5 \n\t"
 524         "movd       %%mm2, %0    \n\t"
 525         "movd       %%mm3, %1    \n\t"
 526         "movd       %%mm4, %2    \n\t"
 527         "movd       %%mm5, %3    \n\t"
 528         :"+m"(*(uint32_t*)(dest+0*linesize)),
 529          "+m"(*(uint32_t*)(dest+1*linesize)),
 530          "+m"(*(uint32_t*)(dest+2*linesize)),
 531          "+m"(*(uint32_t*)(dest+3*linesize))
 532     );
 533 }
 534
 535 static void vc1_inv_trans_4x8_dc_mmxext(uint8_t *dest, int linesize,
 536                                         int16_t *block)
 537 {
 538     int dc = block[0];
 539     dc = (17 * dc +  4) >> 3;
 540     dc = (12 * dc + 64) >> 7;
 541     __asm__ volatile(
 542         "movd          %0, %%mm0 \n\t"
 543         "pshufw $0, %%mm0, %%mm0 \n\t"
 544         "pxor       %%mm1, %%mm1 \n\t"
 545         "psubw      %%mm0, %%mm1 \n\t"
 546         "packuswb   %%mm0, %%mm0 \n\t"
 547         "packuswb   %%mm1, %%mm1 \n\t"
 548         ::"r"(dc)
 549     );
 550     __asm__ volatile(
 551         "movd          %0, %%mm2 \n\t"
 552         "movd          %1, %%mm3 \n\t"
 553         "movd          %2, %%mm4 \n\t"
 554         "movd          %3, %%mm5 \n\t"
 555         "paddusb    %%mm0, %%mm2 \n\t"
 556         "paddusb    %%mm0, %%mm3 \n\t"
 557         "paddusb    %%mm0, %%mm4 \n\t"
 558         "paddusb    %%mm0, %%mm5 \n\t"
 559         "psubusb    %%mm1, %%mm2 \n\t"
 560         "psubusb    %%mm1, %%mm3 \n\t"
 561         "psubusb    %%mm1, %%mm4 \n\t"
 562         "psubusb    %%mm1, %%mm5 \n\t"
 563         "movd       %%mm2, %0    \n\t"
 564         "movd       %%mm3, %1    \n\t"
 565         "movd       %%mm4, %2    \n\t"
 566         "movd       %%mm5, %3    \n\t"
 567         :"+m"(*(uint32_t*)(dest+0*linesize)),
 568          "+m"(*(uint32_t*)(dest+1*linesize)),
 569          "+m"(*(uint32_t*)(dest+2*linesize)),
 570          "+m"(*(uint32_t*)(dest+3*linesize))
 571     );
 572     dest += 4*linesize;
 573     __asm__ volatile(
 574         "movd          %0, %%mm2 \n\t"
 575         "movd          %1, %%mm3 \n\t"
 576         "movd          %2, %%mm4 \n\t"
 577         "movd          %3, %%mm5 \n\t"
 578         "paddusb    %%mm0, %%mm2 \n\t"
 579         "paddusb    %%mm0, %%mm3 \n\t"
 580         "paddusb    %%mm0, %%mm4 \n\t"
 581         "paddusb    %%mm0, %%mm5 \n\t"
 582         "psubusb    %%mm1, %%mm2 \n\t"
 583         "psubusb    %%mm1, %%mm3 \n\t"
 584         "psubusb    %%mm1, %%mm4 \n\t"
 585         "psubusb    %%mm1, %%mm5 \n\t"
 586         "movd       %%mm2, %0    \n\t"
 587         "movd       %%mm3, %1    \n\t"
 588         "movd       %%mm4, %2    \n\t"
 589         "movd       %%mm5, %3    \n\t"
 590         :"+m"(*(uint32_t*)(dest+0*linesize)),
 591          "+m"(*(uint32_t*)(dest+1*linesize)),
 592          "+m"(*(uint32_t*)(dest+2*linesize)),
 593          "+m"(*(uint32_t*)(dest+3*linesize))
 594     );
 595 }
 596
 597 static void vc1_inv_trans_8x4_dc_mmxext(uint8_t *dest, int linesize,
 598                                         int16_t *block)
 599 {
 600     int dc = block[0];
 601     dc = ( 3 * dc +  1) >> 1;
 602     dc = (17 * dc + 64) >> 7;
 603     __asm__ volatile(
 604         "movd          %0, %%mm0 \n\t"
 605         "pshufw $0, %%mm0, %%mm0 \n\t"
 606         "pxor       %%mm1, %%mm1 \n\t"
 607         "psubw      %%mm0, %%mm1 \n\t"
 608         "packuswb   %%mm0, %%mm0 \n\t"
 609         "packuswb   %%mm1, %%mm1 \n\t"
 610         ::"r"(dc)
 611     );
 612     __asm__ volatile(
 613         "movq          %0, %%mm2 \n\t"
 614         "movq          %1, %%mm3 \n\t"
 615         "movq          %2, %%mm4 \n\t"
 616         "movq          %3, %%mm5 \n\t"
 617         "paddusb    %%mm0, %%mm2 \n\t"
 618         "paddusb    %%mm0, %%mm3 \n\t"
 619         "paddusb    %%mm0, %%mm4 \n\t"
 620         "paddusb    %%mm0, %%mm5 \n\t"
 621         "psubusb    %%mm1, %%mm2 \n\t"
 622         "psubusb    %%mm1, %%mm3 \n\t"
 623         "psubusb    %%mm1, %%mm4 \n\t"
 624         "psubusb    %%mm1, %%mm5 \n\t"
 625         "movq       %%mm2, %0    \n\t"
 626         "movq       %%mm3, %1    \n\t"
 627         "movq       %%mm4, %2    \n\t"
 628         "movq       %%mm5, %3    \n\t"
 629         :"+m"(*(uint32_t*)(dest+0*linesize)),
 630          "+m"(*(uint32_t*)(dest+1*linesize)),
 631          "+m"(*(uint32_t*)(dest+2*linesize)),
 632          "+m"(*(uint32_t*)(dest+3*linesize))
 633     );
 634 }
 635
 636 static void vc1_inv_trans_8x8_dc_mmxext(uint8_t *dest, int linesize,
 637                                         int16_t *block)
 638 {
 639     int dc = block[0];
 640     dc = (3 * dc +  1) >> 1;
 641     dc = (3 * dc + 16) >> 5;
 642     __asm__ volatile(
 643         "movd          %0, %%mm0 \n\t"
 644         "pshufw $0, %%mm0, %%mm0 \n\t"
 645         "pxor       %%mm1, %%mm1 \n\t"
 646         "psubw      %%mm0, %%mm1 \n\t"
 647         "packuswb   %%mm0, %%mm0 \n\t"
 648         "packuswb   %%mm1, %%mm1 \n\t"
 649         ::"r"(dc)
 650     );
 651     __asm__ volatile(
 652         "movq          %0, %%mm2 \n\t"
 653         "movq          %1, %%mm3 \n\t"
 654         "movq          %2, %%mm4 \n\t"
 655         "movq          %3, %%mm5 \n\t"
 656         "paddusb    %%mm0, %%mm2 \n\t"
 657         "paddusb    %%mm0, %%mm3 \n\t"
 658         "paddusb    %%mm0, %%mm4 \n\t"
 659         "paddusb    %%mm0, %%mm5 \n\t"
 660         "psubusb    %%mm1, %%mm2 \n\t"
 661         "psubusb    %%mm1, %%mm3 \n\t"
 662         "psubusb    %%mm1, %%mm4 \n\t"
 663         "psubusb    %%mm1, %%mm5 \n\t"
 664         "movq       %%mm2, %0    \n\t"
 665         "movq       %%mm3, %1    \n\t"
 666         "movq       %%mm4, %2    \n\t"
 667         "movq       %%mm5, %3    \n\t"
 668         :"+m"(*(uint32_t*)(dest+0*linesize)),
 669          "+m"(*(uint32_t*)(dest+1*linesize)),
 670          "+m"(*(uint32_t*)(dest+2*linesize)),
 671          "+m"(*(uint32_t*)(dest+3*linesize))
 672     );
 673     dest += 4*linesize;
 674     __asm__ volatile(
 675         "movq          %0, %%mm2 \n\t"
 676         "movq          %1, %%mm3 \n\t"
 677         "movq          %2, %%mm4 \n\t"
 678         "movq          %3, %%mm5 \n\t"
 679         "paddusb    %%mm0, %%mm2 \n\t"
 680         "paddusb    %%mm0, %%mm3 \n\t"
 681         "paddusb    %%mm0, %%mm4 \n\t"
 682         "paddusb    %%mm0, %%mm5 \n\t"
 683         "psubusb    %%mm1, %%mm2 \n\t"
 684         "psubusb    %%mm1, %%mm3 \n\t"
 685         "psubusb    %%mm1, %%mm4 \n\t"
 686         "psubusb    %%mm1, %%mm5 \n\t"
 687         "movq       %%mm2, %0    \n\t"
 688         "movq       %%mm3, %1    \n\t"
 689         "movq       %%mm4, %2    \n\t"
 690         "movq       %%mm5, %3    \n\t"
 691         :"+m"(*(uint32_t*)(dest+0*linesize)),
 692          "+m"(*(uint32_t*)(dest+1*linesize)),
 693          "+m"(*(uint32_t*)(dest+2*linesize)),
 694          "+m"(*(uint32_t*)(dest+3*linesize))
 695     );
 696 }
 697
 698 av_cold void ff_vc1dsp_init_mmx(VC1DSPContext *dsp)
 699 {
 700         dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_vc1_mspel_mc00_mmx;
 701         dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_mmx;
 702         dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_mmx;
 703         dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_mmx;
 704
 705         dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_mmx;
 706         dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_mmx;
 707         dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_mmx;
 708         dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_mmx;
 709
 710         dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_mmx;
 711         dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_mmx;
 712         dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_mmx;
 713         dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_mmx;
 714
 715         dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_mmx;
 716         dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_mmx;
 717         dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_mmx;
 718         dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_mmx;
 719 }
 720
 721 av_cold void ff_vc1dsp_init_mmxext(VC1DSPContext *dsp)
 722 {
 723         dsp->avg_vc1_mspel_pixels_tab[ 0] = ff_avg_vc1_mspel_mc00_mmxext;
 724         dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_mmxext;
 725         dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_mmxext;
 726         dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_mmxext;
 727
 728         dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_mmxext;
 729         dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_mmxext;
 730         dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_mmxext;
 731         dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_mmxext;
 732
 733         dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_mmxext;
 734         dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_mmxext;
 735         dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_mmxext;
 736         dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_mmxext;
 737
 738         dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_mmxext;
 739         dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_mmxext;
 740         dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_mmxext;
 741         dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_mmxext;
 742
 743         dsp->vc1_inv_trans_8x8_dc = vc1_inv_trans_8x8_dc_mmxext;
 744         dsp->vc1_inv_trans_4x8_dc = vc1_inv_trans_4x8_dc_mmxext;
 745         dsp->vc1_inv_trans_8x4_dc = vc1_inv_trans_8x4_dc_mmxext;
 746         dsp->vc1_inv_trans_4x4_dc = vc1_inv_trans_4x4_dc_mmxext;
 747 }
 748 #endif /* HAVE_INLINE_ASM */