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| 1 /* | |
| 2 * Copyright (c) 2008 Loren Merritt | |
| 3 * | |
| 4 * This file is part of FFmpeg. | |
| 5 * | |
| 6 * FFmpeg is free software; you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU Lesser General Public | |
| 8 * License as published by the Free Software Foundation; either | |
| 9 * version 2.1 of the License, or (at your option) any later version. | |
| 10 * | |
| 11 * FFmpeg is distributed in the hope that it will be useful, | |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * Lesser General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU Lesser General Public | |
| 17 * License along with FFmpeg; if not, write to the Free Software | |
| 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 19 */ | |
| 20 | |
| 21 /** | |
| 22 * SSSE3 optimized version of (put|avg)_h264_chroma_mc8. | |
| 23 * H264_CHROMA_MC8_TMPL must be defined to the desired function name | |
| 24 * H264_CHROMA_MC8_MV0 must be defined to a (put|avg)_pixels8 function | |
| 25 * AVG_OP must be defined to empty for put and the identify for avg | |
| 26 */ | |
| 27 static void H264_CHROMA_MC8_TMPL(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*
/, int stride, int h, int x, int y, int rnd) | |
| 28 { | |
| 29 if(y==0 && x==0) { | |
| 30 /* no filter needed */ | |
| 31 H264_CHROMA_MC8_MV0(dst, src, stride, h); | |
| 32 return; | |
| 33 } | |
| 34 | |
| 35 assert(x<8 && y<8 && x>=0 && y>=0); | |
| 36 | |
| 37 if(y==0 || x==0) | |
| 38 { | |
| 39 /* 1 dimensional filter only */ | |
| 40 __asm__ volatile( | |
| 41 "movd %0, %%xmm7 \n\t" | |
| 42 "movq %1, %%xmm6 \n\t" | |
| 43 "pshuflw $0, %%xmm7, %%xmm7 \n\t" | |
| 44 "movlhps %%xmm6, %%xmm6 \n\t" | |
| 45 "movlhps %%xmm7, %%xmm7 \n\t" | |
| 46 :: "r"(255*(x+y)+8), "m"(*(rnd?&ff_pw_4.a:&ff_pw_3)) | |
| 47 ); | |
| 48 | |
| 49 if(x) { | |
| 50 __asm__ volatile( | |
| 51 "1: \n\t" | |
| 52 "movq (%1), %%xmm0 \n\t" | |
| 53 "movq 1(%1), %%xmm1 \n\t" | |
| 54 "movq (%1,%3), %%xmm2 \n\t" | |
| 55 "movq 1(%1,%3), %%xmm3 \n\t" | |
| 56 "punpcklbw %%xmm1, %%xmm0 \n\t" | |
| 57 "punpcklbw %%xmm3, %%xmm2 \n\t" | |
| 58 "pmaddubsw %%xmm7, %%xmm0 \n\t" | |
| 59 "pmaddubsw %%xmm7, %%xmm2 \n\t" | |
| 60 AVG_OP("movq (%0), %%xmm4 \n\t") | |
| 61 AVG_OP("movhps (%0,%3), %%xmm4 \n\t") | |
| 62 "paddw %%xmm6, %%xmm0 \n\t" | |
| 63 "paddw %%xmm6, %%xmm2 \n\t" | |
| 64 "psrlw $3, %%xmm0 \n\t" | |
| 65 "psrlw $3, %%xmm2 \n\t" | |
| 66 "packuswb %%xmm2, %%xmm0 \n\t" | |
| 67 AVG_OP("pavgb %%xmm4, %%xmm0 \n\t") | |
| 68 "movq %%xmm0, (%0) \n\t" | |
| 69 "movhps %%xmm0, (%0,%3) \n\t" | |
| 70 "sub $2, %2 \n\t" | |
| 71 "lea (%1,%3,2), %1 \n\t" | |
| 72 "lea (%0,%3,2), %0 \n\t" | |
| 73 "jg 1b \n\t" | |
| 74 :"+r"(dst), "+r"(src), "+r"(h) | |
| 75 :"r"((x86_reg)stride) | |
| 76 ); | |
| 77 } else { | |
| 78 __asm__ volatile( | |
| 79 "1: \n\t" | |
| 80 "movq (%1), %%xmm0 \n\t" | |
| 81 "movq (%1,%3), %%xmm1 \n\t" | |
| 82 "movdqa %%xmm1, %%xmm2 \n\t" | |
| 83 "movq (%1,%3,2), %%xmm3 \n\t" | |
| 84 "punpcklbw %%xmm1, %%xmm0 \n\t" | |
| 85 "punpcklbw %%xmm3, %%xmm2 \n\t" | |
| 86 "pmaddubsw %%xmm7, %%xmm0 \n\t" | |
| 87 "pmaddubsw %%xmm7, %%xmm2 \n\t" | |
| 88 AVG_OP("movq (%0), %%xmm4 \n\t") | |
| 89 AVG_OP("movhps (%0,%3), %%xmm4 \n\t") | |
| 90 "paddw %%xmm6, %%xmm0 \n\t" | |
| 91 "paddw %%xmm6, %%xmm2 \n\t" | |
| 92 "psrlw $3, %%xmm0 \n\t" | |
| 93 "psrlw $3, %%xmm2 \n\t" | |
| 94 "packuswb %%xmm2, %%xmm0 \n\t" | |
| 95 AVG_OP("pavgb %%xmm4, %%xmm0 \n\t") | |
| 96 "movq %%xmm0, (%0) \n\t" | |
| 97 "movhps %%xmm0, (%0,%3) \n\t" | |
| 98 "sub $2, %2 \n\t" | |
| 99 "lea (%1,%3,2), %1 \n\t" | |
| 100 "lea (%0,%3,2), %0 \n\t" | |
| 101 "jg 1b \n\t" | |
| 102 :"+r"(dst), "+r"(src), "+r"(h) | |
| 103 :"r"((x86_reg)stride) | |
| 104 ); | |
| 105 } | |
| 106 return; | |
| 107 } | |
| 108 | |
| 109 /* general case, bilinear */ | |
| 110 __asm__ volatile( | |
| 111 "movd %0, %%xmm7 \n\t" | |
| 112 "movd %1, %%xmm6 \n\t" | |
| 113 "movdqa %2, %%xmm5 \n\t" | |
| 114 "pshuflw $0, %%xmm7, %%xmm7 \n\t" | |
| 115 "pshuflw $0, %%xmm6, %%xmm6 \n\t" | |
| 116 "movlhps %%xmm7, %%xmm7 \n\t" | |
| 117 "movlhps %%xmm6, %%xmm6 \n\t" | |
| 118 :: "r"((x*255+8)*(8-y)), "r"((x*255+8)*y), "m"(*(rnd?&ff_pw_32:&ff_pw_28
)) | |
| 119 ); | |
| 120 | |
| 121 __asm__ volatile( | |
| 122 "movq (%1), %%xmm0 \n\t" | |
| 123 "movq 1(%1), %%xmm1 \n\t" | |
| 124 "punpcklbw %%xmm1, %%xmm0 \n\t" | |
| 125 "add %3, %1 \n\t" | |
| 126 "1: \n\t" | |
| 127 "movq (%1), %%xmm1 \n\t" | |
| 128 "movq 1(%1), %%xmm2 \n\t" | |
| 129 "movq (%1,%3), %%xmm3 \n\t" | |
| 130 "movq 1(%1,%3), %%xmm4 \n\t" | |
| 131 "lea (%1,%3,2), %1 \n\t" | |
| 132 "punpcklbw %%xmm2, %%xmm1 \n\t" | |
| 133 "punpcklbw %%xmm4, %%xmm3 \n\t" | |
| 134 "movdqa %%xmm1, %%xmm2 \n\t" | |
| 135 "movdqa %%xmm3, %%xmm4 \n\t" | |
| 136 "pmaddubsw %%xmm7, %%xmm0 \n\t" | |
| 137 "pmaddubsw %%xmm6, %%xmm1 \n\t" | |
| 138 "pmaddubsw %%xmm7, %%xmm2 \n\t" | |
| 139 "pmaddubsw %%xmm6, %%xmm3 \n\t" | |
| 140 "paddw %%xmm5, %%xmm0 \n\t" | |
| 141 "paddw %%xmm5, %%xmm2 \n\t" | |
| 142 "paddw %%xmm0, %%xmm1 \n\t" | |
| 143 "paddw %%xmm2, %%xmm3 \n\t" | |
| 144 "movdqa %%xmm4, %%xmm0 \n\t" | |
| 145 "psrlw $6, %%xmm1 \n\t" | |
| 146 "psrlw $6, %%xmm3 \n\t" | |
| 147 AVG_OP("movq (%0), %%xmm2 \n\t") | |
| 148 AVG_OP("movhps (%0,%3), %%xmm2 \n\t") | |
| 149 "packuswb %%xmm3, %%xmm1 \n\t" | |
| 150 AVG_OP("pavgb %%xmm2, %%xmm1 \n\t") | |
| 151 "movq %%xmm1, (%0)\n\t" | |
| 152 "movhps %%xmm1, (%0,%3)\n\t" | |
| 153 "sub $2, %2 \n\t" | |
| 154 "lea (%0,%3,2), %0 \n\t" | |
| 155 "jg 1b \n\t" | |
| 156 :"+r"(dst), "+r"(src), "+r"(h) | |
| 157 :"r"((x86_reg)stride) | |
| 158 ); | |
| 159 } | |
| 160 | |
| 161 static void H264_CHROMA_MC4_TMPL(uint8_t *dst/*align 4*/, uint8_t *src/*align 1*
/, int stride, int h, int x, int y) | |
| 162 { | |
| 163 __asm__ volatile( | |
| 164 "movd %0, %%mm7 \n\t" | |
| 165 "movd %1, %%mm6 \n\t" | |
| 166 "movq %2, %%mm5 \n\t" | |
| 167 "pshufw $0, %%mm7, %%mm7 \n\t" | |
| 168 "pshufw $0, %%mm6, %%mm6 \n\t" | |
| 169 :: "r"((x*255+8)*(8-y)), "r"((x*255+8)*y), "m"(ff_pw_32) | |
| 170 ); | |
| 171 | |
| 172 __asm__ volatile( | |
| 173 "movd (%1), %%mm0 \n\t" | |
| 174 "punpcklbw 1(%1), %%mm0 \n\t" | |
| 175 "add %3, %1 \n\t" | |
| 176 "1: \n\t" | |
| 177 "movd (%1), %%mm1 \n\t" | |
| 178 "movd (%1,%3), %%mm3 \n\t" | |
| 179 "punpcklbw 1(%1), %%mm1 \n\t" | |
| 180 "punpcklbw 1(%1,%3), %%mm3 \n\t" | |
| 181 "lea (%1,%3,2), %1 \n\t" | |
| 182 "movq %%mm1, %%mm2 \n\t" | |
| 183 "movq %%mm3, %%mm4 \n\t" | |
| 184 "pmaddubsw %%mm7, %%mm0 \n\t" | |
| 185 "pmaddubsw %%mm6, %%mm1 \n\t" | |
| 186 "pmaddubsw %%mm7, %%mm2 \n\t" | |
| 187 "pmaddubsw %%mm6, %%mm3 \n\t" | |
| 188 "paddw %%mm5, %%mm0 \n\t" | |
| 189 "paddw %%mm5, %%mm2 \n\t" | |
| 190 "paddw %%mm0, %%mm1 \n\t" | |
| 191 "paddw %%mm2, %%mm3 \n\t" | |
| 192 "movq %%mm4, %%mm0 \n\t" | |
| 193 "psrlw $6, %%mm1 \n\t" | |
| 194 "psrlw $6, %%mm3 \n\t" | |
| 195 "packuswb %%mm1, %%mm1 \n\t" | |
| 196 "packuswb %%mm3, %%mm3 \n\t" | |
| 197 AVG_OP("pavgb (%0), %%mm1 \n\t") | |
| 198 AVG_OP("pavgb (%0,%3), %%mm3 \n\t") | |
| 199 "movd %%mm1, (%0)\n\t" | |
| 200 "movd %%mm3, (%0,%3)\n\t" | |
| 201 "sub $2, %2 \n\t" | |
| 202 "lea (%0,%3,2), %0 \n\t" | |
| 203 "jg 1b \n\t" | |
| 204 :"+r"(dst), "+r"(src), "+r"(h) | |
| 205 :"r"((x86_reg)stride) | |
| 206 ); | |
| 207 } | |
| 208 | |
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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/