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FFmpeg/libavcodec/x86/vc1dsp_mmx.c

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  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 "dsputil_mmx.h"

  33. #include "libavcodec/vc1dsp.h"

  34. #include "vc1dsp.h"

  35. 

  36. #if HAVE_INLINE_ASM

  37. 

  38. #define OP_PUT(S,D)

  39. #define OP_AVG(S,D) "pavgb " #S ", " #D " \n\t"

  40. 

  41. /** Add rounder from mm7 to mm3 and pack result at destination */

  42. #define NORMALIZE_MMX(SHIFT)                                    \

  43.      "paddw     %%mm7, %%mm3           \n\t" /* +bias-r */      \

  44.      "paddw     %%mm7, %%mm4           \n\t" /* +bias-r */      \

  45.      "psraw     "SHIFT", %%mm3         \n\t"                    \

  46.      "psraw     "SHIFT", %%mm4         \n\t"

  47. 

  48. #define TRANSFER_DO_PACK(OP)                    \

  49.      "packuswb  %%mm4, %%mm3           \n\t"    \

  50.      OP((%2), %%mm3)                            \

  51.      "movq      %%mm3, (%2)            \n\t"

  52. 

  53. #define TRANSFER_DONT_PACK(OP)                  \

  54.      OP(0(%2), %%mm3)                           \

  55.      OP(8(%2), %%mm4)                           \

  56.      "movq      %%mm3, 0(%2)           \n\t"    \

  57.      "movq      %%mm4, 8(%2)           \n\t"

  58. 

  59. /** @see MSPEL_FILTER13_CORE for use as UNPACK macro */

  60. #define DO_UNPACK(reg)  "punpcklbw %%mm0, " reg "\n\t"

  61. #define DONT_UNPACK(reg)

  62. 

  63. /** Compute the rounder 32-r or 8-r and unpacks it to mm7 */

  64. #define LOAD_ROUNDER_MMX(ROUND)                 \

  65.      "movd      "ROUND", %%mm7         \n\t"    \

  66.      "punpcklwd %%mm7, %%mm7           \n\t"    \

  67.      "punpckldq %%mm7, %%mm7           \n\t"

  68. 

  69. #define SHIFT2_LINE(OFF, R0,R1,R2,R3)           \

  70.     "paddw     %%mm"#R2", %%mm"#R1"    \n\t"    \

  71.     "movd      (%0,%3), %%mm"#R0"      \n\t"    \

  72.     "pmullw    %%mm6, %%mm"#R1"        \n\t"    \

  73.     "punpcklbw %%mm0, %%mm"#R0"        \n\t"    \

  74.     "movd      (%0,%2), %%mm"#R3"      \n\t"    \

  75.     "psubw     %%mm"#R0", %%mm"#R1"    \n\t"    \

  76.     "punpcklbw %%mm0, %%mm"#R3"        \n\t"    \

  77.     "paddw     %%mm7, %%mm"#R1"        \n\t"    \

  78.     "psubw     %%mm"#R3", %%mm"#R1"    \n\t"    \

  79.     "psraw     %4, %%mm"#R1"           \n\t"    \

  80.     "movq      %%mm"#R1", "#OFF"(%1)   \n\t"    \

  81.     "add       %2, %0                  \n\t"

  82. 

  83. /** Sacrifying mm6 allows to pipeline loads from src */

  84. static void vc1_put_ver_16b_shift2_mmx(int16_t *dst,

  85.                                        const uint8_t *src, x86_reg stride,

  86.                                        int rnd, int64_t shift)

  87. {

  88.     __asm__ volatile(

  89.         "mov       $3, %%"REG_c"           \n\t"

  90.         LOAD_ROUNDER_MMX("%5")

  91.         "movq      "MANGLE(ff_pw_9)", %%mm6 \n\t"

  92.         "1:                                \n\t"

  93.         "movd      (%0), %%mm2             \n\t"

  94.         "add       %2, %0                  \n\t"

  95.         "movd      (%0), %%mm3             \n\t"

  96.         "punpcklbw %%mm0, %%mm2            \n\t"

  97.         "punpcklbw %%mm0, %%mm3            \n\t"

  98.         SHIFT2_LINE(  0, 1, 2, 3, 4)

  99.         SHIFT2_LINE( 24, 2, 3, 4, 1)

  100.         SHIFT2_LINE( 48, 3, 4, 1, 2)

  101.         SHIFT2_LINE( 72, 4, 1, 2, 3)

  102.         SHIFT2_LINE( 96, 1, 2, 3, 4)

  103.         SHIFT2_LINE(120, 2, 3, 4, 1)

  104.         SHIFT2_LINE(144, 3, 4, 1, 2)

  105.         SHIFT2_LINE(168, 4, 1, 2, 3)

  106.         "sub       %6, %0                  \n\t"

  107.         "add       $8, %1                  \n\t"

  108.         "dec       %%"REG_c"               \n\t"

  109.         "jnz 1b                            \n\t"

  110.         : "+r"(src), "+r"(dst)

  111.         : "r"(stride), "r"(-2*stride),

  112.           "m"(shift), "m"(rnd), "r"(9*stride-4)

  113.         : "%"REG_c, "memory"

  114.     );

  115. }

  116. 

  117. /**

  118.  * Data is already unpacked, so some operations can directly be made from

  119.  * memory.

  120.  */

  121. #define VC1_HOR_16b_SHIFT2(OP, OPNAME)\

  122. static void OPNAME ## vc1_hor_16b_shift2_mmx(uint8_t *dst, x86_reg stride,\

  123.                                              const int16_t *src, int rnd)\

  124. {\

  125.     int h = 8;\

  126. \

  127.     src -= 1;\

  128.     rnd -= (-1+9+9-1)*1024; /* Add -1024 bias */\

  129.     __asm__ volatile(\

  130.         LOAD_ROUNDER_MMX("%4")\

  131.         "movq      "MANGLE(ff_pw_128)", %%mm6\n\t"\

  132.         "movq      "MANGLE(ff_pw_9)", %%mm5 \n\t"\

  133.         "1:                                \n\t"\

  134.         "movq      2*0+0(%1), %%mm1        \n\t"\

  135.         "movq      2*0+8(%1), %%mm2        \n\t"\

  136.         "movq      2*1+0(%1), %%mm3        \n\t"\

  137.         "movq      2*1+8(%1), %%mm4        \n\t"\

  138.         "paddw     2*3+0(%1), %%mm1        \n\t"\

  139.         "paddw     2*3+8(%1), %%mm2        \n\t"\

  140.         "paddw     2*2+0(%1), %%mm3        \n\t"\

  141.         "paddw     2*2+8(%1), %%mm4        \n\t"\

  142.         "pmullw    %%mm5, %%mm3            \n\t"\

  143.         "pmullw    %%mm5, %%mm4            \n\t"\

  144.         "psubw     %%mm1, %%mm3            \n\t"\

  145.         "psubw     %%mm2, %%mm4            \n\t"\

  146.         NORMALIZE_MMX("$7")\

  147.         /* Remove bias */\

  148.         "paddw     %%mm6, %%mm3            \n\t"\

  149.         "paddw     %%mm6, %%mm4            \n\t"\

  150.         TRANSFER_DO_PACK(OP)\

  151.         "add       $24, %1                 \n\t"\

  152.         "add       %3, %2                  \n\t"\

  153.         "decl      %0                      \n\t"\

  154.         "jnz 1b                            \n\t"\

  155.         : "+r"(h), "+r" (src),  "+r" (dst)\

  156.         : "r"(stride), "m"(rnd)\

  157.         : "memory"\

  158.     );\

  159. }

  160. 

  161. VC1_HOR_16b_SHIFT2(OP_PUT, put_)

  162. VC1_HOR_16b_SHIFT2(OP_AVG, avg_)

  163. 

  164. 

  165. /**

  166.  * Purely vertical or horizontal 1/2 shift interpolation.

  167.  * Sacrify mm6 for *9 factor.

  168.  */

  169. #define VC1_SHIFT2(OP, OPNAME)\

  170. static void OPNAME ## vc1_shift2_mmx(uint8_t *dst, const uint8_t *src,\

  171.                                      x86_reg stride, int rnd, x86_reg offset)\

  172. {\

  173.     rnd = 8-rnd;\

  174.     __asm__ volatile(\

  175.         "mov       $8, %%"REG_c"           \n\t"\

  176.         LOAD_ROUNDER_MMX("%5")\

  177.         "movq      "MANGLE(ff_pw_9)", %%mm6\n\t"\

  178.         "1:                                \n\t"\

  179.         "movd      0(%0   ), %%mm3         \n\t"\

  180.         "movd      4(%0   ), %%mm4         \n\t"\

  181.         "movd      0(%0,%2), %%mm1         \n\t"\

  182.         "movd      4(%0,%2), %%mm2         \n\t"\

  183.         "add       %2, %0                  \n\t"\

  184.         "punpcklbw %%mm0, %%mm3            \n\t"\

  185.         "punpcklbw %%mm0, %%mm4            \n\t"\

  186.         "punpcklbw %%mm0, %%mm1            \n\t"\

  187.         "punpcklbw %%mm0, %%mm2            \n\t"\

  188.         "paddw     %%mm1, %%mm3            \n\t"\

  189.         "paddw     %%mm2, %%mm4            \n\t"\

  190.         "movd      0(%0,%3), %%mm1         \n\t"\

  191.         "movd      4(%0,%3), %%mm2         \n\t"\

  192.         "pmullw    %%mm6, %%mm3            \n\t" /* 0,9,9,0*/\

  193.         "pmullw    %%mm6, %%mm4            \n\t" /* 0,9,9,0*/\

  194.         "punpcklbw %%mm0, %%mm1            \n\t"\

  195.         "punpcklbw %%mm0, %%mm2            \n\t"\

  196.         "psubw     %%mm1, %%mm3            \n\t" /*-1,9,9,0*/\

  197.         "psubw     %%mm2, %%mm4            \n\t" /*-1,9,9,0*/\

  198.         "movd      0(%0,%2), %%mm1         \n\t"\

  199.         "movd      4(%0,%2), %%mm2         \n\t"\

  200.         "punpcklbw %%mm0, %%mm1            \n\t"\

  201.         "punpcklbw %%mm0, %%mm2            \n\t"\

  202.         "psubw     %%mm1, %%mm3            \n\t" /*-1,9,9,-1*/\

  203.         "psubw     %%mm2, %%mm4            \n\t" /*-1,9,9,-1*/\

  204.         NORMALIZE_MMX("$4")\

  205.         "packuswb  %%mm4, %%mm3            \n\t"\

  206.         OP((%1), %%mm3)\

  207.         "movq      %%mm3, (%1)             \n\t"\

  208.         "add       %6, %0                  \n\t"\

  209.         "add       %4, %1                  \n\t"\

  210.         "dec       %%"REG_c"               \n\t"\

  211.         "jnz 1b                            \n\t"\

  212.         : "+r"(src),  "+r"(dst)\

  213.         : "r"(offset), "r"(-2*offset), "g"(stride), "m"(rnd),\

  214.           "g"(stride-offset)\

  215.         : "%"REG_c, "memory"\

  216.     );\

  217. }

  218. 

  219. VC1_SHIFT2(OP_PUT, put_)

  220. VC1_SHIFT2(OP_AVG, avg_)

  221. 

  222. /**

  223.  * Core of the 1/4 and 3/4 shift bicubic interpolation.

  224.  *

  225.  * @param UNPACK  Macro unpacking arguments from 8 to 16bits (can be empty).

  226.  * @param MOVQ    "movd 1" or "movq 2", if data read is already unpacked.

  227.  * @param A1      Address of 1st tap (beware of unpacked/packed).

  228.  * @param A2      Address of 2nd tap

  229.  * @param A3      Address of 3rd tap

  230.  * @param A4      Address of 4th tap

  231.  */

  232. #define MSPEL_FILTER13_CORE(UNPACK, MOVQ, A1, A2, A3, A4)       \

  233.      MOVQ "*0+"A1", %%mm1       \n\t"                           \

  234.      MOVQ "*4+"A1", %%mm2       \n\t"                           \

  235.      UNPACK("%%mm1")                                            \

  236.      UNPACK("%%mm2")                                            \

  237.      "pmullw    "MANGLE(ff_pw_3)", %%mm1\n\t"                   \

  238.      "pmullw    "MANGLE(ff_pw_3)", %%mm2\n\t"                   \

  239.      MOVQ "*0+"A2", %%mm3       \n\t"                           \

  240.      MOVQ "*4+"A2", %%mm4       \n\t"                           \

  241.      UNPACK("%%mm3")                                            \

  242.      UNPACK("%%mm4")                                            \

  243.      "pmullw    %%mm6, %%mm3    \n\t" /* *18 */                 \

  244.      "pmullw    %%mm6, %%mm4    \n\t" /* *18 */                 \

  245.      "psubw     %%mm1, %%mm3    \n\t" /* 18,-3 */               \

  246.      "psubw     %%mm2, %%mm4    \n\t" /* 18,-3 */               \

  247.      MOVQ "*0+"A4", %%mm1       \n\t"                           \

  248.      MOVQ "*4+"A4", %%mm2       \n\t"                           \

  249.      UNPACK("%%mm1")                                            \

  250.      UNPACK("%%mm2")                                            \

  251.      "psllw     $2, %%mm1       \n\t" /* 4* */                  \

  252.      "psllw     $2, %%mm2       \n\t" /* 4* */                  \

  253.      "psubw     %%mm1, %%mm3    \n\t" /* -4,18,-3 */            \

  254.      "psubw     %%mm2, %%mm4    \n\t" /* -4,18,-3 */            \

  255.      MOVQ "*0+"A3", %%mm1       \n\t"                           \

  256.      MOVQ "*4+"A3", %%mm2       \n\t"                           \

  257.      UNPACK("%%mm1")                                            \

  258.      UNPACK("%%mm2")                                            \

  259.      "pmullw    %%mm5, %%mm1    \n\t" /* *53 */                 \

  260.      "pmullw    %%mm5, %%mm2    \n\t" /* *53 */                 \

  261.      "paddw     %%mm1, %%mm3    \n\t" /* 4,53,18,-3 */          \

  262.      "paddw     %%mm2, %%mm4    \n\t" /* 4,53,18,-3 */

  263. 

  264. /**

  265.  * Macro to build the vertical 16bits version of vc1_put_shift[13].

  266.  * Here, offset=src_stride. Parameters passed A1 to A4 must use

  267.  * %3 (src_stride) and %4 (3*src_stride).

  268.  *

  269.  * @param  NAME   Either 1 or 3

  270.  * @see MSPEL_FILTER13_CORE for information on A1->A4

  271.  */

  272. #define MSPEL_FILTER13_VER_16B(NAME, A1, A2, A3, A4)                    \

  273. static void                                                             \

  274. vc1_put_ver_16b_ ## NAME ## _mmx(int16_t *dst, const uint8_t *src,      \

  275.                                  x86_reg src_stride,                   \

  276.                                  int rnd, int64_t shift)                \

  277. {                                                                       \

  278.     int h = 8;                                                          \

  279.     src -= src_stride;                                                  \

  280.     __asm__ volatile(                                                       \

  281.         LOAD_ROUNDER_MMX("%5")                                          \

  282.         "movq      "MANGLE(ff_pw_53)", %%mm5\n\t"                       \

  283.         "movq      "MANGLE(ff_pw_18)", %%mm6\n\t"                       \

  284.         ".p2align 3                \n\t"                                \

  285.         "1:                        \n\t"                                \

  286.         MSPEL_FILTER13_CORE(DO_UNPACK, "movd  1", A1, A2, A3, A4)       \

  287.         NORMALIZE_MMX("%6")                                             \

  288.         TRANSFER_DONT_PACK(OP_PUT)                                      \

  289.         /* Last 3 (in fact 4) bytes on the line */                      \

  290.         "movd      8+"A1", %%mm1   \n\t"                                \

  291.         DO_UNPACK("%%mm1")                                              \

  292.         "movq      %%mm1, %%mm3    \n\t"                                \

  293.         "paddw     %%mm1, %%mm1    \n\t"                                \

  294.         "paddw     %%mm3, %%mm1    \n\t" /* 3* */                       \

  295.         "movd      8+"A2", %%mm3   \n\t"                                \

  296.         DO_UNPACK("%%mm3")                                              \

  297.         "pmullw    %%mm6, %%mm3    \n\t" /* *18 */                      \

  298.         "psubw     %%mm1, %%mm3    \n\t" /*18,-3 */                     \

  299.         "movd      8+"A3", %%mm1   \n\t"                                \

  300.         DO_UNPACK("%%mm1")                                              \

  301.         "pmullw    %%mm5, %%mm1    \n\t" /* *53 */                      \

  302.         "paddw     %%mm1, %%mm3    \n\t" /*53,18,-3 */                  \

  303.         "movd      8+"A4", %%mm1   \n\t"                                \

  304.         DO_UNPACK("%%mm1")                                              \

  305.         "psllw     $2, %%mm1       \n\t" /* 4* */                       \

  306.         "psubw     %%mm1, %%mm3    \n\t"                                \

  307.         "paddw     %%mm7, %%mm3    \n\t"                                \

  308.         "psraw     %6, %%mm3       \n\t"                                \

  309.         "movq      %%mm3, 16(%2)   \n\t"                                \

  310.         "add       %3, %1          \n\t"                                \

  311.         "add       $24, %2         \n\t"                                \

  312.         "decl      %0              \n\t"                                \

  313.         "jnz 1b                    \n\t"                                \

  314.         : "+r"(h), "+r" (src),  "+r" (dst)                              \

  315.         : "r"(src_stride), "r"(3*src_stride),                           \

  316.           "m"(rnd), "m"(shift)                                          \

  317.         : "memory"                                                      \

  318.     );                                                                  \

  319. }

  320. 

  321. /**

  322.  * Macro to build the horizontal 16bits version of vc1_put_shift[13].

  323.  * Here, offset=16bits, so parameters passed A1 to A4 should be simple.

  324.  *

  325.  * @param  NAME   Either 1 or 3

  326.  * @see MSPEL_FILTER13_CORE for information on A1->A4

  327.  */

  328. #define MSPEL_FILTER13_HOR_16B(NAME, A1, A2, A3, A4, OP, OPNAME)        \

  329. static void                                                             \

  330. OPNAME ## vc1_hor_16b_ ## NAME ## _mmx(uint8_t *dst, x86_reg stride,    \

  331.                                  const int16_t *src, int rnd)           \

  332. {                                                                       \

  333.     int h = 8;                                                          \

  334.     src -= 1;                                                           \

  335.     rnd -= (-4+58+13-3)*256; /* Add -256 bias */                        \

  336.     __asm__ volatile(                                                       \

  337.         LOAD_ROUNDER_MMX("%4")                                          \

  338.         "movq      "MANGLE(ff_pw_18)", %%mm6   \n\t"                    \

  339.         "movq      "MANGLE(ff_pw_53)", %%mm5   \n\t"                    \

  340.         ".p2align 3                \n\t"                                \

  341.         "1:                        \n\t"                                \

  342.         MSPEL_FILTER13_CORE(DONT_UNPACK, "movq 2", A1, A2, A3, A4)      \

  343.         NORMALIZE_MMX("$7")                                             \

  344.         /* Remove bias */                                               \

  345.         "paddw     "MANGLE(ff_pw_128)", %%mm3  \n\t"                    \

  346.         "paddw     "MANGLE(ff_pw_128)", %%mm4  \n\t"                    \

  347.         TRANSFER_DO_PACK(OP)                                            \

  348.         "add       $24, %1         \n\t"                                \

  349.         "add       %3, %2          \n\t"                                \

  350.         "decl      %0              \n\t"                                \

  351.         "jnz 1b                    \n\t"                                \

  352.         : "+r"(h), "+r" (src),  "+r" (dst)                              \

  353.         : "r"(stride), "m"(rnd)                                         \

  354.         : "memory"                                                      \

  355.     );                                                                  \

  356. }

  357. 

  358. /**

  359.  * Macro to build the 8bits, any direction, version of vc1_put_shift[13].

  360.  * Here, offset=src_stride. Parameters passed A1 to A4 must use

  361.  * %3 (offset) and %4 (3*offset).

  362.  *

  363.  * @param  NAME   Either 1 or 3

  364.  * @see MSPEL_FILTER13_CORE for information on A1->A4

  365.  */

  366. #define MSPEL_FILTER13_8B(NAME, A1, A2, A3, A4, OP, OPNAME)             \

  367. static void                                                             \

  368. OPNAME ## vc1_## NAME ## _mmx(uint8_t *dst, const uint8_t *src,         \

  369.                         x86_reg stride, int rnd, x86_reg offset)      \

  370. {                                                                       \

  371.     int h = 8;                                                          \

  372.     src -= offset;                                                      \

  373.     rnd = 32-rnd;                                                       \

  374.     __asm__ volatile (                                                      \

  375.         LOAD_ROUNDER_MMX("%6")                                          \

  376.         "movq      "MANGLE(ff_pw_53)", %%mm5       \n\t"                \

  377.         "movq      "MANGLE(ff_pw_18)", %%mm6       \n\t"                \

  378.         ".p2align 3                \n\t"                                \

  379.         "1:                        \n\t"                                \

  380.         MSPEL_FILTER13_CORE(DO_UNPACK, "movd   1", A1, A2, A3, A4)      \

  381.         NORMALIZE_MMX("$6")                                             \

  382.         TRANSFER_DO_PACK(OP)                                            \

  383.         "add       %5, %1          \n\t"                                \

  384.         "add       %5, %2          \n\t"                                \

  385.         "decl      %0              \n\t"                                \

  386.         "jnz 1b                    \n\t"                                \

  387.         : "+r"(h), "+r" (src),  "+r" (dst)                              \

  388.         : "r"(offset), "r"(3*offset), "g"(stride), "m"(rnd)             \

  389.         : "memory"                                                      \

  390.     );                                                                  \

  391. }

  392. 

  393. /** 1/4 shift bicubic interpolation */

  394. MSPEL_FILTER13_8B     (shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )", OP_PUT, put_)

  395. MSPEL_FILTER13_8B     (shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )", OP_AVG, avg_)

  396. MSPEL_FILTER13_VER_16B(shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )")

  397. MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)", OP_PUT, put_)

  398. MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)", OP_AVG, avg_)

  399. 

  400. /** 3/4 shift bicubic interpolation */

  401. MSPEL_FILTER13_8B     (shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )", OP_PUT, put_)

  402. MSPEL_FILTER13_8B     (shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )", OP_AVG, avg_)

  403. MSPEL_FILTER13_VER_16B(shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )")

  404. MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)", OP_PUT, put_)

  405. MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)", OP_AVG, avg_)

  406. 

  407. typedef void (*vc1_mspel_mc_filter_ver_16bits)(int16_t *dst, const uint8_t *src, x86_reg src_stride, int rnd, int64_t shift);

  408. typedef void (*vc1_mspel_mc_filter_hor_16bits)(uint8_t *dst, x86_reg dst_stride, const int16_t *src, int rnd);

  409. typedef void (*vc1_mspel_mc_filter_8bits)(uint8_t *dst, const uint8_t *src, x86_reg stride, int rnd, x86_reg offset);

  410. 

  411. /**

  412.  * Interpolate fractional pel values by applying proper vertical then

  413.  * horizontal filter.

  414.  *

  415.  * @param  dst     Destination buffer for interpolated pels.

  416.  * @param  src     Source buffer.

  417.  * @param  stride  Stride for both src and dst buffers.

  418.  * @param  hmode   Horizontal filter (expressed in quarter pixels shift).

  419.  * @param  hmode   Vertical filter.

  420.  * @param  rnd     Rounding bias.

  421.  */

  422. #define VC1_MSPEL_MC(OP)\

  423. static void OP ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride,\

  424.                                int hmode, int vmode, int rnd)\

  425. {\

  426.     static const vc1_mspel_mc_filter_ver_16bits vc1_put_shift_ver_16bits[] =\

  427.          { NULL, vc1_put_ver_16b_shift1_mmx, vc1_put_ver_16b_shift2_mmx, vc1_put_ver_16b_shift3_mmx };\

  428.     static const vc1_mspel_mc_filter_hor_16bits vc1_put_shift_hor_16bits[] =\

  429.          { NULL, OP ## vc1_hor_16b_shift1_mmx, OP ## vc1_hor_16b_shift2_mmx, OP ## vc1_hor_16b_shift3_mmx };\

  430.     static const vc1_mspel_mc_filter_8bits vc1_put_shift_8bits[] =\

  431.          { NULL, OP ## vc1_shift1_mmx, OP ## vc1_shift2_mmx, OP ## vc1_shift3_mmx };\

  432. \

  433.     __asm__ volatile(\

  434.         "pxor %%mm0, %%mm0         \n\t"\

  435.         ::: "memory"\

  436.     );\

  437. \

  438.     if (vmode) { /* Vertical filter to apply */\

  439.         if (hmode) { /* Horizontal filter to apply, output to tmp */\

  440.             static const int shift_value[] = { 0, 5, 1, 5 };\

  441.             int              shift = (shift_value[hmode]+shift_value[vmode])>>1;\

  442.             int              r;\

  443.             DECLARE_ALIGNED(16, int16_t, tmp)[12*8];\

  444. \

  445.             r = (1<<(shift-1)) + rnd-1;\

  446.             vc1_put_shift_ver_16bits[vmode](tmp, src-1, stride, r, shift);\

  447. \

  448.             vc1_put_shift_hor_16bits[hmode](dst, stride, tmp+1, 64-rnd);\

  449.             return;\

  450.         }\

  451.         else { /* No horizontal filter, output 8 lines to dst */\

  452.             vc1_put_shift_8bits[vmode](dst, src, stride, 1-rnd, stride);\

  453.             return;\

  454.         }\

  455.     }\

  456. \

  457.     /* Horizontal mode with no vertical mode */\

  458.     vc1_put_shift_8bits[hmode](dst, src, stride, rnd, 1);\

  459. }

  460. 

  461. VC1_MSPEL_MC(put_)

  462. VC1_MSPEL_MC(avg_)

  463. 

  464. /** Macro to ease bicubic filter interpolation functions declarations */

  465. #define DECLARE_FUNCTION(a, b)                                          \

  466. static void put_vc1_mspel_mc ## a ## b ## _mmx(uint8_t *dst,            \

  467.                                                const uint8_t *src,      \

  468.                                                ptrdiff_t stride,        \

  469.                                                int rnd)                 \

  470. {                                                                       \

  471.      put_vc1_mspel_mc(dst, src, stride, a, b, rnd);                     \

  472. }\

  473. static void avg_vc1_mspel_mc ## a ## b ## _mmxext(uint8_t *dst,         \

  474.                                                   const uint8_t *src,   \

  475.                                                   ptrdiff_t stride,     \

  476.                                                   int rnd)              \

  477. {                                                                       \

  478.      avg_vc1_mspel_mc(dst, src, stride, a, b, rnd);                     \

  479. }

  480. 

  481. DECLARE_FUNCTION(0, 1)

  482. DECLARE_FUNCTION(0, 2)

  483. DECLARE_FUNCTION(0, 3)

  484. 

  485. DECLARE_FUNCTION(1, 0)

  486. DECLARE_FUNCTION(1, 1)

  487. DECLARE_FUNCTION(1, 2)

  488. DECLARE_FUNCTION(1, 3)

  489. 

  490. DECLARE_FUNCTION(2, 0)

  491. DECLARE_FUNCTION(2, 1)

  492. DECLARE_FUNCTION(2, 2)

  493. DECLARE_FUNCTION(2, 3)

  494. 

  495. DECLARE_FUNCTION(3, 0)

  496. DECLARE_FUNCTION(3, 1)

  497. DECLARE_FUNCTION(3, 2)

  498. DECLARE_FUNCTION(3, 3)

  499. 

  500. static void vc1_inv_trans_4x4_dc_mmxext(uint8_t *dest, int linesize,

  501.                                         int16_t *block)

  502. {

  503.     int dc = block[0];

  504.     dc = (17 * dc +  4) >> 3;

  505.     dc = (17 * dc + 64) >> 7;

  506.     __asm__ volatile(

  507.         "movd          %0, %%mm0 \n\t"

  508.         "pshufw $0, %%mm0, %%mm0 \n\t"

  509.         "pxor       %%mm1, %%mm1 \n\t"

  510.         "psubw      %%mm0, %%mm1 \n\t"

  511.         "packuswb   %%mm0, %%mm0 \n\t"

  512.         "packuswb   %%mm1, %%mm1 \n\t"

  513.         ::"r"(dc)

  514.     );

  515.     __asm__ volatile(

  516.         "movd          %0, %%mm2 \n\t"

  517.         "movd          %1, %%mm3 \n\t"

  518.         "movd          %2, %%mm4 \n\t"

  519.         "movd          %3, %%mm5 \n\t"

  520.         "paddusb    %%mm0, %%mm2 \n\t"

  521.         "paddusb    %%mm0, %%mm3 \n\t"

  522.         "paddusb    %%mm0, %%mm4 \n\t"

  523.         "paddusb    %%mm0, %%mm5 \n\t"

  524.         "psubusb    %%mm1, %%mm2 \n\t"

  525.         "psubusb    %%mm1, %%mm3 \n\t"

  526.         "psubusb    %%mm1, %%mm4 \n\t"

  527.         "psubusb    %%mm1, %%mm5 \n\t"

  528.         "movd       %%mm2, %0    \n\t"

  529.         "movd       %%mm3, %1    \n\t"

  530.         "movd       %%mm4, %2    \n\t"

  531.         "movd       %%mm5, %3    \n\t"

  532.         :"+m"(*(uint32_t*)(dest+0*linesize)),

  533.          "+m"(*(uint32_t*)(dest+1*linesize)),

  534.          "+m"(*(uint32_t*)(dest+2*linesize)),

  535.          "+m"(*(uint32_t*)(dest+3*linesize))

  536.     );

  537. }

  538. 

  539. static void vc1_inv_trans_4x8_dc_mmxext(uint8_t *dest, int linesize,

  540.                                         int16_t *block)

  541. {

  542.     int dc = block[0];

  543.     dc = (17 * dc +  4) >> 3;

  544.     dc = (12 * dc + 64) >> 7;

  545.     __asm__ volatile(

  546.         "movd          %0, %%mm0 \n\t"

  547.         "pshufw $0, %%mm0, %%mm0 \n\t"

  548.         "pxor       %%mm1, %%mm1 \n\t"

  549.         "psubw      %%mm0, %%mm1 \n\t"

  550.         "packuswb   %%mm0, %%mm0 \n\t"

  551.         "packuswb   %%mm1, %%mm1 \n\t"

  552.         ::"r"(dc)

  553.     );

  554.     __asm__ volatile(

  555.         "movd          %0, %%mm2 \n\t"

  556.         "movd          %1, %%mm3 \n\t"

  557.         "movd          %2, %%mm4 \n\t"

  558.         "movd          %3, %%mm5 \n\t"

  559.         "paddusb    %%mm0, %%mm2 \n\t"

  560.         "paddusb    %%mm0, %%mm3 \n\t"

  561.         "paddusb    %%mm0, %%mm4 \n\t"

  562.         "paddusb    %%mm0, %%mm5 \n\t"

  563.         "psubusb    %%mm1, %%mm2 \n\t"

  564.         "psubusb    %%mm1, %%mm3 \n\t"

  565.         "psubusb    %%mm1, %%mm4 \n\t"

  566.         "psubusb    %%mm1, %%mm5 \n\t"

  567.         "movd       %%mm2, %0    \n\t"

  568.         "movd       %%mm3, %1    \n\t"

  569.         "movd       %%mm4, %2    \n\t"

  570.         "movd       %%mm5, %3    \n\t"

  571.         :"+m"(*(uint32_t*)(dest+0*linesize)),

  572.          "+m"(*(uint32_t*)(dest+1*linesize)),

  573.          "+m"(*(uint32_t*)(dest+2*linesize)),

  574.          "+m"(*(uint32_t*)(dest+3*linesize))

  575.     );

  576.     dest += 4*linesize;

  577.     __asm__ volatile(

  578.         "movd          %0, %%mm2 \n\t"

  579.         "movd          %1, %%mm3 \n\t"

  580.         "movd          %2, %%mm4 \n\t"

  581.         "movd          %3, %%mm5 \n\t"

  582.         "paddusb    %%mm0, %%mm2 \n\t"

  583.         "paddusb    %%mm0, %%mm3 \n\t"

  584.         "paddusb    %%mm0, %%mm4 \n\t"

  585.         "paddusb    %%mm0, %%mm5 \n\t"

  586.         "psubusb    %%mm1, %%mm2 \n\t"

  587.         "psubusb    %%mm1, %%mm3 \n\t"

  588.         "psubusb    %%mm1, %%mm4 \n\t"

  589.         "psubusb    %%mm1, %%mm5 \n\t"

  590.         "movd       %%mm2, %0    \n\t"

  591.         "movd       %%mm3, %1    \n\t"

  592.         "movd       %%mm4, %2    \n\t"

  593.         "movd       %%mm5, %3    \n\t"

  594.         :"+m"(*(uint32_t*)(dest+0*linesize)),

  595.          "+m"(*(uint32_t*)(dest+1*linesize)),

  596.          "+m"(*(uint32_t*)(dest+2*linesize)),

  597.          "+m"(*(uint32_t*)(dest+3*linesize))

  598.     );

  599. }

  600. 

  601. static void vc1_inv_trans_8x4_dc_mmxext(uint8_t *dest, int linesize,

  602.                                         int16_t *block)

  603. {

  604.     int dc = block[0];

  605.     dc = ( 3 * dc +  1) >> 1;

  606.     dc = (17 * dc + 64) >> 7;

  607.     __asm__ volatile(

  608.         "movd          %0, %%mm0 \n\t"

  609.         "pshufw $0, %%mm0, %%mm0 \n\t"

  610.         "pxor       %%mm1, %%mm1 \n\t"

  611.         "psubw      %%mm0, %%mm1 \n\t"

  612.         "packuswb   %%mm0, %%mm0 \n\t"

  613.         "packuswb   %%mm1, %%mm1 \n\t"

  614.         ::"r"(dc)

  615.     );

  616.     __asm__ volatile(

  617.         "movq          %0, %%mm2 \n\t"

  618.         "movq          %1, %%mm3 \n\t"

  619.         "movq          %2, %%mm4 \n\t"

  620.         "movq          %3, %%mm5 \n\t"

  621.         "paddusb    %%mm0, %%mm2 \n\t"

  622.         "paddusb    %%mm0, %%mm3 \n\t"

  623.         "paddusb    %%mm0, %%mm4 \n\t"

  624.         "paddusb    %%mm0, %%mm5 \n\t"

  625.         "psubusb    %%mm1, %%mm2 \n\t"

  626.         "psubusb    %%mm1, %%mm3 \n\t"

  627.         "psubusb    %%mm1, %%mm4 \n\t"

  628.         "psubusb    %%mm1, %%mm5 \n\t"

  629.         "movq       %%mm2, %0    \n\t"

  630.         "movq       %%mm3, %1    \n\t"

  631.         "movq       %%mm4, %2    \n\t"

  632.         "movq       %%mm5, %3    \n\t"

  633.         :"+m"(*(uint32_t*)(dest+0*linesize)),

  634.          "+m"(*(uint32_t*)(dest+1*linesize)),

  635.          "+m"(*(uint32_t*)(dest+2*linesize)),

  636.          "+m"(*(uint32_t*)(dest+3*linesize))

  637.     );

  638. }

  639. 

  640. static void vc1_inv_trans_8x8_dc_mmxext(uint8_t *dest, int linesize,

  641.                                         int16_t *block)

  642. {

  643.     int dc = block[0];

  644.     dc = (3 * dc +  1) >> 1;

  645.     dc = (3 * dc + 16) >> 5;

  646.     __asm__ volatile(

  647.         "movd          %0, %%mm0 \n\t"

  648.         "pshufw $0, %%mm0, %%mm0 \n\t"

  649.         "pxor       %%mm1, %%mm1 \n\t"

  650.         "psubw      %%mm0, %%mm1 \n\t"

  651.         "packuswb   %%mm0, %%mm0 \n\t"

  652.         "packuswb   %%mm1, %%mm1 \n\t"

  653.         ::"r"(dc)

  654.     );

  655.     __asm__ volatile(

  656.         "movq          %0, %%mm2 \n\t"

  657.         "movq          %1, %%mm3 \n\t"

  658.         "movq          %2, %%mm4 \n\t"

  659.         "movq          %3, %%mm5 \n\t"

  660.         "paddusb    %%mm0, %%mm2 \n\t"

  661.         "paddusb    %%mm0, %%mm3 \n\t"

  662.         "paddusb    %%mm0, %%mm4 \n\t"

  663.         "paddusb    %%mm0, %%mm5 \n\t"

  664.         "psubusb    %%mm1, %%mm2 \n\t"

  665.         "psubusb    %%mm1, %%mm3 \n\t"

  666.         "psubusb    %%mm1, %%mm4 \n\t"

  667.         "psubusb    %%mm1, %%mm5 \n\t"

  668.         "movq       %%mm2, %0    \n\t"

  669.         "movq       %%mm3, %1    \n\t"

  670.         "movq       %%mm4, %2    \n\t"

  671.         "movq       %%mm5, %3    \n\t"

  672.         :"+m"(*(uint32_t*)(dest+0*linesize)),

  673.          "+m"(*(uint32_t*)(dest+1*linesize)),

  674.          "+m"(*(uint32_t*)(dest+2*linesize)),

  675.          "+m"(*(uint32_t*)(dest+3*linesize))

  676.     );

  677.     dest += 4*linesize;

  678.     __asm__ volatile(

  679.         "movq          %0, %%mm2 \n\t"

  680.         "movq          %1, %%mm3 \n\t"

  681.         "movq          %2, %%mm4 \n\t"

  682.         "movq          %3, %%mm5 \n\t"

  683.         "paddusb    %%mm0, %%mm2 \n\t"

  684.         "paddusb    %%mm0, %%mm3 \n\t"

  685.         "paddusb    %%mm0, %%mm4 \n\t"

  686.         "paddusb    %%mm0, %%mm5 \n\t"

  687.         "psubusb    %%mm1, %%mm2 \n\t"

  688.         "psubusb    %%mm1, %%mm3 \n\t"

  689.         "psubusb    %%mm1, %%mm4 \n\t"

  690.         "psubusb    %%mm1, %%mm5 \n\t"

  691.         "movq       %%mm2, %0    \n\t"

  692.         "movq       %%mm3, %1    \n\t"

  693.         "movq       %%mm4, %2    \n\t"

  694.         "movq       %%mm5, %3    \n\t"

  695.         :"+m"(*(uint32_t*)(dest+0*linesize)),

  696.          "+m"(*(uint32_t*)(dest+1*linesize)),

  697.          "+m"(*(uint32_t*)(dest+2*linesize)),

  698.          "+m"(*(uint32_t*)(dest+3*linesize))

  699.     );

  700. }

  701. 

  702. av_cold void ff_vc1dsp_init_mmx(VC1DSPContext *dsp)

  703. {

  704.         dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_vc1_mspel_mc00_mmx;

  705.         dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_mmx;

  706.         dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_mmx;

  707.         dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_mmx;

  708. 

  709.         dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_mmx;

  710.         dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_mmx;

  711.         dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_mmx;

  712.         dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_mmx;

  713. 

  714.         dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_mmx;

  715.         dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_mmx;

  716.         dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_mmx;

  717.         dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_mmx;

  718. 

  719.         dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_mmx;

  720.         dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_mmx;

  721.         dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_mmx;

  722.         dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_mmx;

  723. }

  724. 

  725. av_cold void ff_vc1dsp_init_mmxext(VC1DSPContext *dsp)

  726. {

  727.         dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_mmxext;

  728.         dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_mmxext;

  729.         dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_mmxext;

  730. 

  731.         dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_mmxext;

  732.         dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_mmxext;

  733.         dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_mmxext;

  734.         dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_mmxext;

  735. 

  736.         dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_mmxext;

  737.         dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_mmxext;

  738.         dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_mmxext;

  739.         dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_mmxext;

  740. 

  741.         dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_mmxext;

  742.         dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_mmxext;

  743.         dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_mmxext;

  744.         dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_mmxext;

  745. 

  746.         dsp->vc1_inv_trans_8x8_dc = vc1_inv_trans_8x8_dc_mmxext;

  747.         dsp->vc1_inv_trans_4x8_dc = vc1_inv_trans_4x8_dc_mmxext;

  748.         dsp->vc1_inv_trans_8x4_dc = vc1_inv_trans_8x4_dc_mmxext;

  749.         dsp->vc1_inv_trans_4x4_dc = vc1_inv_trans_4x4_dc_mmxext;

  750. }

  751. #endif /* HAVE_INLINE_ASM */