From ce53144bac00bff5e7fd682c4d72daf80b21d6fb Mon Sep 17 00:00:00 2001 From: Loren Merritt Date: Tue, 1 Apr 2008 04:51:28 +0000 Subject: h264 chroma mc ssse3 width8: 180->92, width4: 78->63 cycles (core2) Originally committed as revision 12661 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/i386/dsputil_h264_template_ssse3.c | 207 ++++++++++++++++++++++++++ 1 file changed, 207 insertions(+) create mode 100644 libavcodec/i386/dsputil_h264_template_ssse3.c (limited to 'libavcodec/i386/dsputil_h264_template_ssse3.c') diff --git a/libavcodec/i386/dsputil_h264_template_ssse3.c b/libavcodec/i386/dsputil_h264_template_ssse3.c new file mode 100644 index 0000000000..27b5c56408 --- /dev/null +++ b/libavcodec/i386/dsputil_h264_template_ssse3.c @@ -0,0 +1,207 @@ +/* + * 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"((long)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"((long)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"((long)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"((long)stride) + ); +} + -- cgit v1.2.3