mirror of https://github.com/mpv-player/mpv
372 lines
14 KiB
C
372 lines
14 KiB
C
/*
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* this code comes under GPL
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* This code was taken from http://www.mpg123.org
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* See ChangeLog of mpg123-0.59s-pre.1 for detail
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* Applied to mplayer by Nick Kurshev <nickols_k@mail.ru>
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*
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* Local ChangeLog:
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* - Partial loops unrolling and removing MOVW insn from loops
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*/
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#include "config.h"
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#include "mangle.h"
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#define real float /* ugly - but only way */
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extern void (*dct64_MMX_func)(short*, short*, real*);
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static unsigned long long attribute_used __attribute__((aligned(8))) null_one = 0x0000ffff0000ffffULL;
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static unsigned long long attribute_used __attribute__((aligned(8))) one_null = 0xffff0000ffff0000ULL;
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unsigned int __attribute__((aligned(16))) costab_mmx[] =
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{
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1056974725,
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1057056395,
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1057223771,
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1057485416,
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1057855544,
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1058356026,
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1059019886,
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1059897405,
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1061067246,
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1062657950,
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1064892987,
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1066774581,
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1069414683,
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1073984175,
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1079645762,
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1092815430,
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1057005197,
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1057342072,
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1058087743,
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1059427869,
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1061799040,
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1065862217,
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1071413542,
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1084439708,
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1057128951,
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1058664893,
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1063675095,
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1076102863,
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1057655764,
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1067924853,
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1060439283,
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};
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/**
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This array of magic numbers were calculated by the pure function
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make_decode_tables_MMX(32768), which had been implemented in (deleted since
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r23383) tabinit_MMX.c.
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*/
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static short __attribute__((aligned(8))) mp3lib_decwins[] =
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{
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0, 7, 54, 114, 510, 1288, 1644, 9372,
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18760, -9373, 1644, -1289, 510, -115, 54, -8,
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0, 7, 54, 114, 510, 1288, 1644, 9372,
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18760, -9373, 1644, -1289, 510, -115, 54, -8,
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0, 7, 55, 129, 500, 1379, 1490, 9834,
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18748, -8910, 1784, -1197, 516, -101, 52, -7,
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0, 7, 55, 129, 500, 1379, 1490, 9834,
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18748, -8910, 1784, -1197, 516, -101, 52, -7,
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0, 8, 56, 145, 488, 1469, 1322, 10294,
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18714, -8448, 1910, -1107, 520, -87, 51, -6,
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0, 8, 56, 145, 488, 1469, 1322, 10294,
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18714, -8448, 1910, -1107, 520, -87, 51, -6,
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0, 9, 57, 161, 474, 1559, 1141, 10751,
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18658, -7987, 2023, -1016, 522, -74, 49, -6,
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0, 9, 57, 161, 474, 1559, 1141, 10751,
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18658, -7987, 2023, -1016, 522, -74, 49, -6,
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0, 10, 57, 177, 456, 1647, 944, 11205,
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18579, -7528, 2123, -927, 522, -61, 48, -5,
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0, 10, 57, 177, 456, 1647, 944, 11205,
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18579, -7528, 2123, -927, 522, -61, 48, -5,
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0, 11, 57, 194, 435, 1733, 734, 11654,
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18477, -7073, 2210, -838, 519, -50, 46, -5,
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0, 11, 57, 194, 435, 1733, 734, 11654,
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18477, -7073, 2210, -838, 519, -50, 46, -5,
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0, 12, 57, 212, 411, 1817, 510, 12097,
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18354, -6621, 2285, -751, 515, -39, 44, -4,
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0, 12, 57, 212, 411, 1817, 510, 12097,
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18354, -6621, 2285, -751, 515, -39, 44, -4,
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0, 13, 57, 229, 384, 1899, 271, 12534,
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18209, -6174, 2348, -666, 508, -28, 43, -4,
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0, 13, 57, 229, 384, 1899, 271, 12534,
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18209, -6174, 2348, -666, 508, -28, 43, -4,
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0, 14, 56, 247, 354, 1977, 18, 12963,
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18043, -5733, 2398, -583, 501, -18, 41, -4,
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0, 14, 56, 247, 354, 1977, 18, 12963,
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18043, -5733, 2398, -583, 501, -18, 41, -4,
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0, 15, 56, 266, 320, 2052, -249, 13383,
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17855, -5298, 2438, -502, 491, -9, 39, -3,
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0, 15, 56, 266, 320, 2052, -249, 13383,
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17855, -5298, 2438, -502, 491, -9, 39, -3,
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0, 17, 54, 284, 283, 2122, -530, 13794,
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17648, -4870, 2466, -423, 480, -1, 37, -3,
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0, 17, 54, 284, 283, 2122, -530, 13794,
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17648, -4870, 2466, -423, 480, -1, 37, -3,
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0, 18, 52, 302, 243, 2188, -825, 14194,
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17420, -4450, 2484, -347, 468, 7, 35, -3,
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0, 18, 52, 302, 243, 2188, -825, 14194,
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17420, -4450, 2484, -347, 468, 7, 35, -3,
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0, 19, 50, 320, 199, 2249, -1133, 14583,
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17173, -4039, 2492, -274, 455, 14, 33, -2,
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0, 19, 50, 320, 199, 2249, -1133, 14583,
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17173, -4039, 2492, -274, 455, 14, 33, -2,
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-1, 21, 48, 339, 152, 2304, -1454, 14959,
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16908, -3637, 2490, -204, 440, 20, 32, -2,
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-1, 21, 48, 339, 152, 2304, -1454, 14959,
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16908, -3637, 2490, -204, 440, 20, 32, -2,
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-1, 22, 45, 357, 101, 2354, -1788, 15322,
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16624, -3245, 2479, -137, 425, 26, 30, -2,
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-1, 22, 45, 357, 101, 2354, -1788, 15322,
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16624, -3245, 2479, -137, 425, 26, 30, -2,
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-1, 24, 41, 374, 47, 2396, -2135, 15671,
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16323, -2864, 2460, -72, 409, 31, 28, -2,
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-1, 24, 41, 374, 47, 2396, -2135, 15671,
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16323, -2864, 2460, -72, 409, 31, 28, -2,
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-1, 26, 37, 391, -11, 2431, -2493, 16004,
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16005, -2494, 2432, -12, 392, 36, 26, -2,
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-1, 26, 37, 391, -11, 2431, -2493, 16004,
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16005, -2494, 2432, -12, 392, 36, 26, -2,
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-2, -28, 31, -409, -72, -2460, -2864, -16323,
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15671, 2135, 2396, -47, 374, -41, 24, 1,
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-2, -28, 31, -409, -72, -2460, -2864, -16323,
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15671, 2135, 2396, -47, 374, -41, 24, 1,
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-2, -30, 26, -425, -137, -2479, -3245, -16624,
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15322, 1788, 2354, -101, 357, -45, 22, 1,
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-2, -30, 26, -425, -137, -2479, -3245, -16624,
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15322, 1788, 2354, -101, 357, -45, 22, 1,
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-2, -32, 20, -440, -204, -2490, -3637, -16908,
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14959, 1454, 2304, -152, 339, -48, 21, 1,
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-2, -32, 20, -440, -204, -2490, -3637, -16908,
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14959, 1454, 2304, -152, 339, -48, 21, 1,
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-2, -33, 14, -455, -274, -2492, -4039, -17173,
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14583, 1133, 2249, -199, 320, -50, 19, 0,
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-2, -33, 14, -455, -274, -2492, -4039, -17173,
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14583, 1133, 2249, -199, 320, -50, 19, 0,
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-3, -35, 7, -468, -347, -2484, -4450, -17420,
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14194, 825, 2188, -243, 302, -52, 18, 0,
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-3, -35, 7, -468, -347, -2484, -4450, -17420,
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14194, 825, 2188, -243, 302, -52, 18, 0,
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-3, -37, -1, -480, -423, -2466, -4870, -17648,
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13794, 530, 2122, -283, 284, -54, 17, 0,
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-3, -37, -1, -480, -423, -2466, -4870, -17648,
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13794, 530, 2122, -283, 284, -54, 17, 0,
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-3, -39, -9, -491, -502, -2438, -5298, -17855,
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13383, 249, 2052, -320, 266, -56, 15, 0,
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-3, -39, -9, -491, -502, -2438, -5298, -17855,
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13383, 249, 2052, -320, 266, -56, 15, 0,
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-4, -41, -18, -501, -583, -2398, -5733, -18043,
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12963, -18, 1977, -354, 247, -56, 14, 0,
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-4, -41, -18, -501, -583, -2398, -5733, -18043,
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12963, -18, 1977, -354, 247, -56, 14, 0,
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-4, -43, -28, -508, -666, -2348, -6174, -18209,
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12534, -271, 1899, -384, 229, -57, 13, 0,
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-4, -43, -28, -508, -666, -2348, -6174, -18209,
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12534, -271, 1899, -384, 229, -57, 13, 0,
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-4, -44, -39, -515, -751, -2285, -6621, -18354,
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12097, -510, 1817, -411, 212, -57, 12, 0,
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-4, -44, -39, -515, -751, -2285, -6621, -18354,
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12097, -510, 1817, -411, 212, -57, 12, 0,
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-5, -46, -50, -519, -838, -2210, -7073, -18477,
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11654, -734, 1733, -435, 194, -57, 11, 0,
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-5, -46, -50, -519, -838, -2210, -7073, -18477,
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11654, -734, 1733, -435, 194, -57, 11, 0,
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-5, -48, -61, -522, -927, -2123, -7528, -18579,
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11205, -944, 1647, -456, 177, -57, 10, 0,
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-5, -48, -61, -522, -927, -2123, -7528, -18579,
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11205, -944, 1647, -456, 177, -57, 10, 0,
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-6, -49, -74, -522, -1016, -2023, -7987, -18658,
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10751, -1141, 1559, -474, 161, -57, 9, 0,
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-6, -49, -74, -522, -1016, -2023, -7987, -18658,
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10751, -1141, 1559, -474, 161, -57, 9, 0,
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-6, -51, -87, -520, -1107, -1910, -8448, -18714,
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10294, -1322, 1469, -488, 145, -56, 8, 0,
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-6, -51, -87, -520, -1107, -1910, -8448, -18714,
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10294, -1322, 1469, -488, 145, -56, 8, 0,
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-7, -52, -101, -516, -1197, -1784, -8910, -18748,
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9834, -1490, 1379, -500, 129, -55, 7, 0,
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-7, -52, -101, -516, -1197, -1784, -8910, -18748,
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9834, -1490, 1379, -500, 129, -55, 7, 0,
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};
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int synth_1to1_MMX(real *bandPtr, int channel, short *samples)
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{
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static short buffs[2][2][0x110] __attribute__((aligned(8)));
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static int bo = 1;
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short *b0, (*buf)[0x110], *a, *b;
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short* window;
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int bo1, i = 8;
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if (channel == 0) {
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bo = (bo - 1) & 0xf;
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buf = buffs[1];
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} else {
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samples++;
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buf = buffs[0];
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}
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if (bo & 1) {
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b0 = buf[1];
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bo1 = bo + 1;
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a = buf[0] + bo;
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b = buf[1] + ((bo + 1) & 0xf);
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} else {
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b0 = buf[0];
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bo1 = bo;
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b = buf[0] + bo;
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a = buf[1] + ((bo + 1) & 0xf);
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}
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dct64_MMX_func(a, b, bandPtr);
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window = mp3lib_decwins + 16 - bo1;
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//printf("DEBUG: channel %d, bo %d, off %d\n", channel, bo, 16 - bo1);
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__asm __volatile(
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ASMALIGN(4)
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".L03:\n\t"
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"movq (%1),%%mm0\n\t"
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"movq 64(%1),%%mm4\n\t"
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"pmaddwd (%2),%%mm0\n\t"
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"pmaddwd 32(%2),%%mm4\n\t"
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"movq 8(%1),%%mm1\n\t"
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"movq 72(%1),%%mm5\n\t"
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"pmaddwd 8(%2),%%mm1\n\t"
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"pmaddwd 40(%2),%%mm5\n\t"
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"movq 16(%1),%%mm2\n\t"
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"movq 80(%1),%%mm6\n\t"
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"pmaddwd 16(%2),%%mm2\n\t"
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"pmaddwd 48(%2),%%mm6\n\t"
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"movq 24(%1),%%mm3\n\t"
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"movq 88(%1),%%mm7\n\t"
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"pmaddwd 24(%2),%%mm3\n\t"
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"pmaddwd 56(%2),%%mm7\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"paddd %%mm5,%%mm4\n\t"
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"paddd %%mm2,%%mm0\n\t"
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"paddd %%mm6,%%mm4\n\t"
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"paddd %%mm3,%%mm0\n\t"
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"paddd %%mm7,%%mm4\n\t"
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"movq %%mm0,%%mm1\n\t"
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"movq %%mm4,%%mm5\n\t"
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"psrlq $32,%%mm1\n\t"
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"psrlq $32,%%mm5\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"paddd %%mm5,%%mm4\n\t"
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"psrad $13,%%mm0\n\t"
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"psrad $13,%%mm4\n\t"
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"packssdw %%mm0,%%mm0\n\t"
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"packssdw %%mm4,%%mm4\n\t"
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"movq (%3), %%mm1\n\t"
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"punpckldq %%mm4, %%mm0\n\t"
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"pand "MANGLE(one_null)", %%mm1\n\t"
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"pand "MANGLE(null_one)", %%mm0\n\t"
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"por %%mm0, %%mm1\n\t"
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"movq %%mm1,(%3)\n\t"
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"add $64,%2\n\t"
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"add $128,%1\n\t"
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"add $8,%3\n\t"
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"decl %0\n\t"
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"jnz .L03\n\t"
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"movq (%1),%%mm0\n\t"
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"pmaddwd (%2),%%mm0\n\t"
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"movq 8(%1),%%mm1\n\t"
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"pmaddwd 8(%2),%%mm1\n\t"
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"movq 16(%1),%%mm2\n\t"
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"pmaddwd 16(%2),%%mm2\n\t"
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"movq 24(%1),%%mm3\n\t"
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"pmaddwd 24(%2),%%mm3\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"paddd %%mm2,%%mm0\n\t"
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"paddd %%mm3,%%mm0\n\t"
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"movq %%mm0,%%mm1\n\t"
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"psrlq $32,%%mm1\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"psrad $13,%%mm0\n\t"
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"packssdw %%mm0,%%mm0\n\t"
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"movd %%mm0,%%eax\n\t"
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"movw %%ax, (%3)\n\t"
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"sub $32,%2\n\t"
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"add $64,%1\n\t"
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"add $4,%3\n\t"
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"movl $7,%0\n\t"
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ASMALIGN(4)
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".L04:\n\t"
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"movq (%1),%%mm0\n\t"
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"movq 64(%1),%%mm4\n\t"
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"pmaddwd (%2),%%mm0\n\t"
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"pmaddwd -32(%2),%%mm4\n\t"
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"movq 8(%1),%%mm1\n\t"
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"movq 72(%1),%%mm5\n\t"
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"pmaddwd 8(%2),%%mm1\n\t"
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"pmaddwd -24(%2),%%mm5\n\t"
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"movq 16(%1),%%mm2\n\t"
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"movq 80(%1),%%mm6\n\t"
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"pmaddwd 16(%2),%%mm2\n\t"
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"pmaddwd -16(%2),%%mm6\n\t"
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"movq 24(%1),%%mm3\n\t"
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"movq 88(%1),%%mm7\n\t"
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"pmaddwd 24(%2),%%mm3\n\t"
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"pmaddwd -8(%2),%%mm7\n\t"
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"paddd %%mm1,%%mm0\n\t"
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"paddd %%mm5,%%mm4\n\t"
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"paddd %%mm2,%%mm0\n\t"
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"paddd %%mm6,%%mm4\n\t"
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"paddd %%mm3,%%mm0\n\t"
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"paddd %%mm7,%%mm4\n\t"
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"movq %%mm0,%%mm1\n\t"
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"movq %%mm4,%%mm5\n\t"
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"psrlq $32,%%mm1\n\t"
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"psrlq $32,%%mm5\n\t"
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"paddd %%mm0,%%mm1\n\t"
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"paddd %%mm4,%%mm5\n\t"
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"psrad $13,%%mm1\n\t"
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"psrad $13,%%mm5\n\t"
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"packssdw %%mm1,%%mm1\n\t"
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"packssdw %%mm5,%%mm5\n\t"
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"psubd %%mm0,%%mm0\n\t"
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"psubd %%mm4,%%mm4\n\t"
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"psubsw %%mm1,%%mm0\n\t"
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"psubsw %%mm5,%%mm4\n\t"
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"movq (%3), %%mm1\n\t"
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"punpckldq %%mm4, %%mm0\n\t"
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"pand "MANGLE(one_null)", %%mm1\n\t"
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"pand "MANGLE(null_one)", %%mm0\n\t"
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"por %%mm0, %%mm1\n\t"
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"movq %%mm1,(%3)\n\t"
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"sub $64,%2\n\t"
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"add $128,%1\n\t"
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"add $8,%3\n\t"
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"decl %0\n\t"
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"jnz .L04\n\t"
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"movq (%1),%%mm0\n\t"
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"pmaddwd (%2),%%mm0\n\t"
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"movq 8(%1),%%mm1\n\t"
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"pmaddwd 8(%2),%%mm1\n\t"
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"movq 16(%1),%%mm2\n\t"
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"pmaddwd 16(%2),%%mm2\n\t"
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"movq 24(%1),%%mm3\n\t"
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"pmaddwd 24(%2),%%mm3\n\t"
|
|
"paddd %%mm1,%%mm0\n\t"
|
|
"paddd %%mm2,%%mm0\n\t"
|
|
"paddd %%mm3,%%mm0\n\t"
|
|
"movq %%mm0,%%mm1\n\t"
|
|
"psrlq $32,%%mm1\n\t"
|
|
"paddd %%mm0,%%mm1\n\t"
|
|
"psrad $13,%%mm1\n\t"
|
|
"packssdw %%mm1,%%mm1\n\t"
|
|
"psubd %%mm0,%%mm0\n\t"
|
|
"psubsw %%mm1,%%mm0\n\t"
|
|
"movd %%mm0,%%eax\n\t"
|
|
"movw %%ax,(%3)\n\t"
|
|
"emms\n\t"
|
|
:"+r"(i), "+r"(window), "+r"(b0), "+r"(samples)
|
|
:
|
|
:"memory", "%eax");
|
|
return 0;
|
|
}
|
|
|