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| 1 ;***************************************************************************** | |
| 2 ;* SSE2-optimized weighted prediction code | |
| 3 ;***************************************************************************** | |
| 4 ;* Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt | |
| 5 ;* Copyright (C) 2010 Eli Friedman <eli.friedman@gmail.com> | |
| 6 ;* | |
| 7 ;* This file is part of FFmpeg. | |
| 8 ;* | |
| 9 ;* FFmpeg is free software; you can redistribute it and/or | |
| 10 ;* modify it under the terms of the GNU Lesser General Public | |
| 11 ;* License as published by the Free Software Foundation; either | |
| 12 ;* version 2.1 of the License, or (at your option) any later version. | |
| 13 ;* | |
| 14 ;* FFmpeg is distributed in the hope that it will be useful, | |
| 15 ;* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 ;* Lesser General Public License for more details. | |
| 18 ;* | |
| 19 ;* You should have received a copy of the GNU Lesser General Public | |
| 20 ;* License along with FFmpeg; if not, write to the Free Software | |
| 21 ;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 22 ;****************************************************************************** | |
| 23 | |
| 24 %include "x86inc.asm" | |
| 25 | |
| 26 SECTION .text | |
| 27 INIT_XMM | |
| 28 | |
| 29 ;----------------------------------------------------------------------------- | |
| 30 ; biweight pred: | |
| 31 ; | |
| 32 ; void h264_biweight_16x16_sse2(uint8_t *dst, uint8_t *src, int stride, | |
| 33 ; int log2_denom, int weightd, int weights, | |
| 34 ; int offset); | |
| 35 ;----------------------------------------------------------------------------- | |
| 36 | |
| 37 %macro BIWEIGHT_SSE2_SETUP 0 | |
| 38 add r6, 1 | |
| 39 or r6, 1 | |
| 40 add r3, 1 | |
| 41 movd m3, r4 | |
| 42 movd m4, r5 | |
| 43 movd m5, r6 | |
| 44 movd m6, r3 | |
| 45 pslld m5, m6 | |
| 46 psrld m5, 1 | |
| 47 pshuflw m3, m3, 0 | |
| 48 pshuflw m4, m4, 0 | |
| 49 pshuflw m5, m5, 0 | |
| 50 punpcklqdq m3, m3 | |
| 51 punpcklqdq m4, m4 | |
| 52 punpcklqdq m5, m5 | |
| 53 pxor m7, m7 | |
| 54 %endmacro | |
| 55 | |
| 56 %macro BIWEIGHT_SSE2_STEPA 3 | |
| 57 movh m%1, [r0+%3] | |
| 58 movh m%2, [r1+%3] | |
| 59 punpcklbw m%1, m7 | |
| 60 punpcklbw m%2, m7 | |
| 61 pmullw m%1, m3 | |
| 62 pmullw m%2, m4 | |
| 63 paddsw m%1, m%2 | |
| 64 %endmacro | |
| 65 | |
| 66 %macro BIWEIGHT_SSE2_STEPB 0 | |
| 67 paddsw m0, m5 | |
| 68 paddsw m1, m5 | |
| 69 psraw m0, m6 | |
| 70 psraw m1, m6 | |
| 71 packuswb m0, m1 | |
| 72 %endmacro | |
| 73 | |
| 74 cglobal h264_biweight_16x16_sse2, 7, 7, 8 | |
| 75 BIWEIGHT_SSE2_SETUP | |
| 76 mov r3, 16 | |
| 77 | |
| 78 .nextrow | |
| 79 BIWEIGHT_SSE2_STEPA 0, 1, 0 | |
| 80 BIWEIGHT_SSE2_STEPA 1, 2, 8 | |
| 81 BIWEIGHT_SSE2_STEPB | |
| 82 mova [r0], m0 | |
| 83 add r0, r2 | |
| 84 add r1, r2 | |
| 85 dec r3 | |
| 86 jnz .nextrow | |
| 87 REP_RET | |
| 88 | |
| 89 cglobal h264_biweight_8x8_sse2, 7, 7, 8 | |
| 90 BIWEIGHT_SSE2_SETUP | |
| 91 mov r3, 4 | |
| 92 lea r4, [r2*2] | |
| 93 | |
| 94 .nextrow | |
| 95 BIWEIGHT_SSE2_STEPA 0, 1, 0 | |
| 96 BIWEIGHT_SSE2_STEPA 1, 2, r2 | |
| 97 BIWEIGHT_SSE2_STEPB | |
| 98 movh [r0], m0 | |
| 99 movhps [r0+r2], m0 | |
| 100 add r0, r4 | |
| 101 add r1, r4 | |
| 102 dec r3 | |
| 103 jnz .nextrow | |
| 104 REP_RET | |
| 105 | |
| 106 %macro BIWEIGHT_SSSE3_SETUP 0 | |
| 107 add r6, 1 | |
| 108 or r6, 1 | |
| 109 add r3, 1 | |
| 110 movd m4, r4 | |
| 111 movd m0, r5 | |
| 112 movd m5, r6 | |
| 113 movd m6, r3 | |
| 114 pslld m5, m6 | |
| 115 psrld m5, 1 | |
| 116 punpcklbw m4, m0 | |
| 117 pshuflw m4, m4, 0 | |
| 118 pshuflw m5, m5, 0 | |
| 119 punpcklqdq m4, m4 | |
| 120 punpcklqdq m5, m5 | |
| 121 %endmacro | |
| 122 | |
| 123 %macro BIWEIGHT_SSSE3_OP 0 | |
| 124 pmaddubsw m0, m4 | |
| 125 pmaddubsw m2, m4 | |
| 126 paddsw m0, m5 | |
| 127 paddsw m2, m5 | |
| 128 psraw m0, m6 | |
| 129 psraw m2, m6 | |
| 130 packuswb m0, m2 | |
| 131 %endmacro | |
| 132 | |
| 133 cglobal h264_biweight_16x16_ssse3, 7, 7, 8 | |
| 134 BIWEIGHT_SSSE3_SETUP | |
| 135 mov r3, 16 | |
| 136 | |
| 137 .nextrow | |
| 138 movh m0, [r0] | |
| 139 movh m2, [r0+8] | |
| 140 movh m3, [r1+8] | |
| 141 punpcklbw m0, [r1] | |
| 142 punpcklbw m2, m3 | |
| 143 BIWEIGHT_SSSE3_OP | |
| 144 mova [r0], m0 | |
| 145 add r0, r2 | |
| 146 add r1, r2 | |
| 147 dec r3 | |
| 148 jnz .nextrow | |
| 149 REP_RET | |
| 150 | |
| 151 cglobal h264_biweight_8x8_ssse3, 7, 7, 8 | |
| 152 BIWEIGHT_SSSE3_SETUP | |
| 153 mov r3, 4 | |
| 154 lea r4, [r2*2] | |
| 155 | |
| 156 .nextrow | |
| 157 movh m0, [r0] | |
| 158 movh m1, [r1] | |
| 159 movh m2, [r0+r2] | |
| 160 movh m3, [r1+r2] | |
| 161 punpcklbw m0, m1 | |
| 162 punpcklbw m2, m3 | |
| 163 BIWEIGHT_SSSE3_OP | |
| 164 movh [r0], m0 | |
| 165 movhps [r0+r2], m0 | |
| 166 add r0, r4 | |
| 167 add r1, r4 | |
| 168 dec r3 | |
| 169 jnz .nextrow | |
| 170 REP_RET | |
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Chromium Code Reviews
Issue 3384002:
ffmpeg source update for sep 09 (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/