/* * 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) ); }