| 1 | ;***************************************************************************** |
| 2 | ;* x86-optimized functions for yadif filter |
| 3 | ;* |
| 4 | ;* Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at> |
| 5 | ;* Copyright (c) 2013 Daniel Kang <daniel.d.kang@gmail.com> |
| 6 | ;* Copyright (c) 2011-2013 James Darnley <james.darnley@gmail.com> |
| 7 | ;* |
| 8 | ;* This file is part of FFmpeg. |
| 9 | ;* |
| 10 | ;* FFmpeg is free software; you can redistribute it and/or |
| 11 | ;* modify it under the terms of the GNU Lesser General Public |
| 12 | ;* License as published by the Free Software Foundation; either |
| 13 | ;* version 2.1 of the License, or (at your option) any later version. |
| 14 | ;* |
| 15 | ;* FFmpeg is distributed in the hope that it will be useful, |
| 16 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | ;* Lesser General Public License for more details. |
| 19 | ;* |
| 20 | ;* You should have received a copy of the GNU Lesser General Public |
| 21 | ;* License along with FFmpeg; if not, write to the Free Software |
| 22 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 23 | ;****************************************************************************** |
| 24 | |
| 25 | %include "libavutil/x86/x86util.asm" |
| 26 | |
| 27 | SECTION_RODATA |
| 28 | |
| 29 | pw_1: times 8 dw 1 |
| 30 | |
| 31 | SECTION .text |
| 32 | |
| 33 | %macro PMAXUW 2 |
| 34 | %if cpuflag(sse4) |
| 35 | pmaxuw %1, %2 |
| 36 | %else |
| 37 | psubusw %1, %2 |
| 38 | paddusw %1, %2 |
| 39 | %endif |
| 40 | %endmacro |
| 41 | |
| 42 | %macro CHECK 2 |
| 43 | movu m2, [curq+t1+%1*2] |
| 44 | movu m3, [curq+t0+%2*2] |
| 45 | mova m4, m2 |
| 46 | mova m5, m2 |
| 47 | pxor m4, m3 |
| 48 | pavgw m5, m3 |
| 49 | pand m4, [pw_1] |
| 50 | psubusw m5, m4 |
| 51 | RSHIFT m5, 2 |
| 52 | mova m4, m2 |
| 53 | psubusw m2, m3 |
| 54 | psubusw m3, m4 |
| 55 | PMAXUW m2, m3 |
| 56 | mova m3, m2 |
| 57 | mova m4, m2 |
| 58 | RSHIFT m3, 2 |
| 59 | RSHIFT m4, 4 |
| 60 | paddw m2, m3 |
| 61 | paddw m2, m4 |
| 62 | %endmacro |
| 63 | |
| 64 | %macro CHECK1 0 |
| 65 | mova m3, m0 |
| 66 | pcmpgtw m3, m2 |
| 67 | pminsw m0, m2 |
| 68 | mova m6, m3 |
| 69 | pand m5, m3 |
| 70 | pandn m3, m1 |
| 71 | por m3, m5 |
| 72 | mova m1, m3 |
| 73 | %endmacro |
| 74 | |
| 75 | ; %macro CHECK2 0 |
| 76 | ; paddw m6, [pw_1] |
| 77 | ; psllw m6, 14 |
| 78 | ; paddsw m2, m6 |
| 79 | ; mova m3, m0 |
| 80 | ; pcmpgtw m3, m2 |
| 81 | ; pminsw m0, m2 |
| 82 | ; pand m5, m3 |
| 83 | ; pandn m3, m1 |
| 84 | ; por m3, m5 |
| 85 | ; mova m1, m3 |
| 86 | ; %endmacro |
| 87 | |
| 88 | ; This version of CHECK2 is required for 14-bit samples. The left-shift trick |
| 89 | ; in the old code is not large enough to correctly select pixels or scores. |
| 90 | |
| 91 | %macro CHECK2 0 |
| 92 | mova m3, m0 |
| 93 | pcmpgtw m0, m2 |
| 94 | pand m0, m6 |
| 95 | mova m6, m0 |
| 96 | pand m5, m6 |
| 97 | pand m2, m0 |
| 98 | pandn m6, m1 |
| 99 | pandn m0, m3 |
| 100 | por m6, m5 |
| 101 | por m0, m2 |
| 102 | mova m1, m6 |
| 103 | %endmacro |
| 104 | |
| 105 | %macro LOAD 2 |
| 106 | movu %1, %2 |
| 107 | %endmacro |
| 108 | |
| 109 | %macro FILTER 3 |
| 110 | .loop%1: |
| 111 | pxor m7, m7 |
| 112 | LOAD m0, [curq+t1] |
| 113 | LOAD m1, [curq+t0] |
| 114 | LOAD m2, [%2] |
| 115 | LOAD m3, [%3] |
| 116 | mova m4, m3 |
| 117 | paddw m3, m2 |
| 118 | psraw m3, 1 |
| 119 | mova [rsp+ 0], m0 |
| 120 | mova [rsp+16], m3 |
| 121 | mova [rsp+32], m1 |
| 122 | psubw m2, m4 |
| 123 | ABS1 m2, m4 |
| 124 | LOAD m3, [prevq+t1] |
| 125 | LOAD m4, [prevq+t0] |
| 126 | psubw m3, m0 |
| 127 | psubw m4, m1 |
| 128 | ABS2 m3, m4, m5, m6 |
| 129 | paddw m3, m4 |
| 130 | psrlw m2, 1 |
| 131 | psrlw m3, 1 |
| 132 | pmaxsw m2, m3 |
| 133 | LOAD m3, [nextq+t1] |
| 134 | LOAD m4, [nextq+t0] |
| 135 | psubw m3, m0 |
| 136 | psubw m4, m1 |
| 137 | ABS2 m3, m4, m5, m6 |
| 138 | paddw m3, m4 |
| 139 | psrlw m3, 1 |
| 140 | pmaxsw m2, m3 |
| 141 | mova [rsp+48], m2 |
| 142 | |
| 143 | paddw m1, m0 |
| 144 | paddw m0, m0 |
| 145 | psubw m0, m1 |
| 146 | psrlw m1, 1 |
| 147 | ABS1 m0, m2 |
| 148 | |
| 149 | movu m2, [curq+t1-1*2] |
| 150 | movu m3, [curq+t0-1*2] |
| 151 | mova m4, m2 |
| 152 | psubusw m2, m3 |
| 153 | psubusw m3, m4 |
| 154 | PMAXUW m2, m3 |
| 155 | mova m3, m2 |
| 156 | RSHIFT m3, 4 |
| 157 | paddw m0, m2 |
| 158 | paddw m0, m3 |
| 159 | psubw m0, [pw_1] |
| 160 | |
| 161 | CHECK -2, 0 |
| 162 | CHECK1 |
| 163 | CHECK -3, 1 |
| 164 | CHECK2 |
| 165 | CHECK 0, -2 |
| 166 | CHECK1 |
| 167 | CHECK 1, -3 |
| 168 | CHECK2 |
| 169 | |
| 170 | mova m6, [rsp+48] |
| 171 | cmp DWORD r8m, 2 |
| 172 | jge .end%1 |
| 173 | LOAD m2, [%2+t1*2] |
| 174 | LOAD m4, [%3+t1*2] |
| 175 | LOAD m3, [%2+t0*2] |
| 176 | LOAD m5, [%3+t0*2] |
| 177 | paddw m2, m4 |
| 178 | paddw m3, m5 |
| 179 | psrlw m2, 1 |
| 180 | psrlw m3, 1 |
| 181 | mova m4, [rsp+ 0] |
| 182 | mova m5, [rsp+16] |
| 183 | mova m7, [rsp+32] |
| 184 | psubw m2, m4 |
| 185 | psubw m3, m7 |
| 186 | mova m0, m5 |
| 187 | psubw m5, m4 |
| 188 | psubw m0, m7 |
| 189 | mova m4, m2 |
| 190 | pminsw m2, m3 |
| 191 | pmaxsw m3, m4 |
| 192 | pmaxsw m2, m5 |
| 193 | pminsw m3, m5 |
| 194 | pmaxsw m2, m0 |
| 195 | pminsw m3, m0 |
| 196 | pxor m4, m4 |
| 197 | pmaxsw m6, m3 |
| 198 | psubw m4, m2 |
| 199 | pmaxsw m6, m4 |
| 200 | |
| 201 | .end%1: |
| 202 | mova m2, [rsp+16] |
| 203 | mova m3, m2 |
| 204 | psubw m2, m6 |
| 205 | paddw m3, m6 |
| 206 | pmaxsw m1, m2 |
| 207 | pminsw m1, m3 |
| 208 | |
| 209 | movu [dstq], m1 |
| 210 | add dstq, mmsize-4 |
| 211 | add prevq, mmsize-4 |
| 212 | add curq, mmsize-4 |
| 213 | add nextq, mmsize-4 |
| 214 | sub DWORD r4m, mmsize/2-2 |
| 215 | jg .loop%1 |
| 216 | %endmacro |
| 217 | |
| 218 | %macro YADIF 0 |
| 219 | %if ARCH_X86_32 |
| 220 | cglobal yadif_filter_line_10bit, 4, 6, 8, 80, dst, prev, cur, next, w, \ |
| 221 | prefs, mrefs, parity, mode |
| 222 | %else |
| 223 | cglobal yadif_filter_line_10bit, 4, 7, 8, 80, dst, prev, cur, next, w, \ |
| 224 | prefs, mrefs, parity, mode |
| 225 | %endif |
| 226 | %if ARCH_X86_32 |
| 227 | mov r4, r5mp |
| 228 | mov r5, r6mp |
| 229 | DECLARE_REG_TMP 4,5 |
| 230 | %else |
| 231 | movsxd r5, DWORD r5m |
| 232 | movsxd r6, DWORD r6m |
| 233 | DECLARE_REG_TMP 5,6 |
| 234 | %endif |
| 235 | |
| 236 | cmp DWORD paritym, 0 |
| 237 | je .parity0 |
| 238 | FILTER 1, prevq, curq |
| 239 | jmp .ret |
| 240 | |
| 241 | .parity0: |
| 242 | FILTER 0, curq, nextq |
| 243 | |
| 244 | .ret: |
| 245 | RET |
| 246 | %endmacro |
| 247 | |
| 248 | INIT_XMM ssse3 |
| 249 | YADIF |
| 250 | INIT_XMM sse2 |
| 251 | YADIF |
| 252 | %if ARCH_X86_32 |
| 253 | INIT_MMX mmxext |
| 254 | YADIF |
| 255 | %endif |