| /* |
| * Copyright (c) 2008 Loren Merritt |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * SSSE3 optimized version of (put|avg)_h264_chroma_mc8. |
| * H264_CHROMA_MC8_TMPL must be defined to the desired function name |
| * H264_CHROMA_MC8_MV0 must be defined to a (put|avg)_pixels8 function |
| * AVG_OP must be defined to empty for put and the identify for avg |
| */ |
| 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) |
| { |
| if(y==0 && x==0) { |
| /* no filter needed */ |
| H264_CHROMA_MC8_MV0(dst, src, stride, h); |
| return; |
| } |
| |
| assert(x<8 && y<8 && x>=0 && y>=0); |
| |
| if(y==0 || x==0) |
| { |
| /* 1 dimensional filter only */ |
| __asm__ volatile( |
| "movd %0, %%xmm7 \n\t" |
| "movq %1, %%xmm6 \n\t" |
| "pshuflw $0, %%xmm7, %%xmm7 \n\t" |
| "movlhps %%xmm6, %%xmm6 \n\t" |
| "movlhps %%xmm7, %%xmm7 \n\t" |
| :: "r"(255*(x+y)+8), "m"(*(rnd?&ff_pw_4:&ff_pw_3)) |
| ); |
| |
| if(x) { |
| __asm__ volatile( |
| "1: \n\t" |
| "movq (%1), %%xmm0 \n\t" |
| "movq 1(%1), %%xmm1 \n\t" |
| "movq (%1,%3), %%xmm2 \n\t" |
| "movq 1(%1,%3), %%xmm3 \n\t" |
| "punpcklbw %%xmm1, %%xmm0 \n\t" |
| "punpcklbw %%xmm3, %%xmm2 \n\t" |
| "pmaddubsw %%xmm7, %%xmm0 \n\t" |
| "pmaddubsw %%xmm7, %%xmm2 \n\t" |
| AVG_OP("movq (%0), %%xmm4 \n\t") |
| AVG_OP("movhps (%0,%3), %%xmm4 \n\t") |
| "paddw %%xmm6, %%xmm0 \n\t" |
| "paddw %%xmm6, %%xmm2 \n\t" |
| "psrlw $3, %%xmm0 \n\t" |
| "psrlw $3, %%xmm2 \n\t" |
| "packuswb %%xmm2, %%xmm0 \n\t" |
| AVG_OP("pavgb %%xmm4, %%xmm0 \n\t") |
| "movq %%xmm0, (%0) \n\t" |
| "movhps %%xmm0, (%0,%3) \n\t" |
| "sub $2, %2 \n\t" |
| "lea (%1,%3,2), %1 \n\t" |
| "lea (%0,%3,2), %0 \n\t" |
| "jg 1b \n\t" |
| :"+r"(dst), "+r"(src), "+r"(h) |
| :"r"((x86_reg)stride) |
| ); |
| } else { |
| __asm__ volatile( |
| "1: \n\t" |
| "movq (%1), %%xmm0 \n\t" |
| "movq (%1,%3), %%xmm1 \n\t" |
| "movdqa %%xmm1, %%xmm2 \n\t" |
| "movq (%1,%3,2), %%xmm3 \n\t" |
| "punpcklbw %%xmm1, %%xmm0 \n\t" |
| "punpcklbw %%xmm3, %%xmm2 \n\t" |
| "pmaddubsw %%xmm7, %%xmm0 \n\t" |
| "pmaddubsw %%xmm7, %%xmm2 \n\t" |
| AVG_OP("movq (%0), %%xmm4 \n\t") |
| AVG_OP("movhps (%0,%3), %%xmm4 \n\t") |
| "paddw %%xmm6, %%xmm0 \n\t" |
| "paddw %%xmm6, %%xmm2 \n\t" |
| "psrlw $3, %%xmm0 \n\t" |
| "psrlw $3, %%xmm2 \n\t" |
| "packuswb %%xmm2, %%xmm0 \n\t" |
| AVG_OP("pavgb %%xmm4, %%xmm0 \n\t") |
| "movq %%xmm0, (%0) \n\t" |
| "movhps %%xmm0, (%0,%3) \n\t" |
| "sub $2, %2 \n\t" |
| "lea (%1,%3,2), %1 \n\t" |
| "lea (%0,%3,2), %0 \n\t" |
| "jg 1b \n\t" |
| :"+r"(dst), "+r"(src), "+r"(h) |
| :"r"((x86_reg)stride) |
| ); |
| } |
| return; |
| } |
| |
| /* general case, bilinear */ |
| __asm__ volatile( |
| "movd %0, %%xmm7 \n\t" |
| "movd %1, %%xmm6 \n\t" |
| "movdqa %2, %%xmm5 \n\t" |
| "pshuflw $0, %%xmm7, %%xmm7 \n\t" |
| "pshuflw $0, %%xmm6, %%xmm6 \n\t" |
| "movlhps %%xmm7, %%xmm7 \n\t" |
| "movlhps %%xmm6, %%xmm6 \n\t" |
| :: "r"((x*255+8)*(8-y)), "r"((x*255+8)*y), "m"(*(rnd?&ff_pw_32:&ff_pw_28)) |
| ); |
| |
| __asm__ volatile( |
| "movq (%1), %%xmm0 \n\t" |
| "movq 1(%1), %%xmm1 \n\t" |
| "punpcklbw %%xmm1, %%xmm0 \n\t" |
| "add %3, %1 \n\t" |
| "1: \n\t" |
| "movq (%1), %%xmm1 \n\t" |
| "movq 1(%1), %%xmm2 \n\t" |
| "movq (%1,%3), %%xmm3 \n\t" |
| "movq 1(%1,%3), %%xmm4 \n\t" |
| "lea (%1,%3,2), %1 \n\t" |
| "punpcklbw %%xmm2, %%xmm1 \n\t" |
| "punpcklbw %%xmm4, %%xmm3 \n\t" |
| "movdqa %%xmm1, %%xmm2 \n\t" |
| "movdqa %%xmm3, %%xmm4 \n\t" |
| "pmaddubsw %%xmm7, %%xmm0 \n\t" |
| "pmaddubsw %%xmm6, %%xmm1 \n\t" |
| "pmaddubsw %%xmm7, %%xmm2 \n\t" |
| "pmaddubsw %%xmm6, %%xmm3 \n\t" |
| "paddw %%xmm5, %%xmm0 \n\t" |
| "paddw %%xmm5, %%xmm2 \n\t" |
| "paddw %%xmm0, %%xmm1 \n\t" |
| "paddw %%xmm2, %%xmm3 \n\t" |
| "movdqa %%xmm4, %%xmm0 \n\t" |
| "psrlw $6, %%xmm1 \n\t" |
| "psrlw $6, %%xmm3 \n\t" |
| AVG_OP("movq (%0), %%xmm2 \n\t") |
| AVG_OP("movhps (%0,%3), %%xmm2 \n\t") |
| "packuswb %%xmm3, %%xmm1 \n\t" |
| AVG_OP("pavgb %%xmm2, %%xmm1 \n\t") |
| "movq %%xmm1, (%0)\n\t" |
| "movhps %%xmm1, (%0,%3)\n\t" |
| "sub $2, %2 \n\t" |
| "lea (%0,%3,2), %0 \n\t" |
| "jg 1b \n\t" |
| :"+r"(dst), "+r"(src), "+r"(h) |
| :"r"((x86_reg)stride) |
| ); |
| } |
| |
| static void H264_CHROMA_MC4_TMPL(uint8_t *dst/*align 4*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y) |
| { |
| __asm__ volatile( |
| "movd %0, %%mm7 \n\t" |
| "movd %1, %%mm6 \n\t" |
| "movq %2, %%mm5 \n\t" |
| "pshufw $0, %%mm7, %%mm7 \n\t" |
| "pshufw $0, %%mm6, %%mm6 \n\t" |
| :: "r"((x*255+8)*(8-y)), "r"((x*255+8)*y), "m"(ff_pw_32) |
| ); |
| |
| __asm__ volatile( |
| "movd (%1), %%mm0 \n\t" |
| "punpcklbw 1(%1), %%mm0 \n\t" |
| "add %3, %1 \n\t" |
| "1: \n\t" |
| "movd (%1), %%mm1 \n\t" |
| "movd (%1,%3), %%mm3 \n\t" |
| "punpcklbw 1(%1), %%mm1 \n\t" |
| "punpcklbw 1(%1,%3), %%mm3 \n\t" |
| "lea (%1,%3,2), %1 \n\t" |
| "movq %%mm1, %%mm2 \n\t" |
| "movq %%mm3, %%mm4 \n\t" |
| "pmaddubsw %%mm7, %%mm0 \n\t" |
| "pmaddubsw %%mm6, %%mm1 \n\t" |
| "pmaddubsw %%mm7, %%mm2 \n\t" |
| "pmaddubsw %%mm6, %%mm3 \n\t" |
| "paddw %%mm5, %%mm0 \n\t" |
| "paddw %%mm5, %%mm2 \n\t" |
| "paddw %%mm0, %%mm1 \n\t" |
| "paddw %%mm2, %%mm3 \n\t" |
| "movq %%mm4, %%mm0 \n\t" |
| "psrlw $6, %%mm1 \n\t" |
| "psrlw $6, %%mm3 \n\t" |
| "packuswb %%mm1, %%mm1 \n\t" |
| "packuswb %%mm3, %%mm3 \n\t" |
| AVG_OP("pavgb (%0), %%mm1 \n\t") |
| AVG_OP("pavgb (%0,%3), %%mm3 \n\t") |
| "movd %%mm1, (%0)\n\t" |
| "movd %%mm3, (%0,%3)\n\t" |
| "sub $2, %2 \n\t" |
| "lea (%0,%3,2), %0 \n\t" |
| "jg 1b \n\t" |
| :"+r"(dst), "+r"(src), "+r"(h) |
| :"r"((x86_reg)stride) |
| ); |
| } |
| |
