/* * MMX optimized DSP utils * Copyright (c) 2000, 2001 Fabrice Bellard * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> * * MMX optimization by Nick Kurshev <nickols_k@mail.ru> * * 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 */ #include "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/x86/asm.h" #include "libavutil/x86/cpu.h" #include "libavcodec/dct.h" #include "libavcodec/dsputil.h" #include "libavcodec/mpegvideo.h" #include "libavcodec/mathops.h" #include "dsputil_x86.h" void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size); void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, int line_size); void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, int stride); int ff_pix_sum16_mmx(uint8_t * pix, int line_size); int ff_pix_norm1_mmx(uint8_t *pix, int line_size); #if HAVE_INLINE_ASM static int sse8_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) { int tmp; __asm__ volatile ( "movl %4,%%ecx\n" "shr $1,%%ecx\n" "pxor %%mm0,%%mm0\n" /* mm0 = 0 */ "pxor %%mm7,%%mm7\n" /* mm7 holds the sum */ "1:\n" "movq (%0),%%mm1\n" /* mm1 = pix1[0][0-7] */ "movq (%1),%%mm2\n" /* mm2 = pix2[0][0-7] */ "movq (%0,%3),%%mm3\n" /* mm3 = pix1[1][0-7] */ "movq (%1,%3),%%mm4\n" /* mm4 = pix2[1][0-7] */ /* todo: mm1-mm2, mm3-mm4 */ /* algo: subtract mm1 from mm2 with saturation and vice versa */ /* OR the results to get absolute difference */ "movq %%mm1,%%mm5\n" "movq %%mm3,%%mm6\n" "psubusb %%mm2,%%mm1\n" "psubusb %%mm4,%%mm3\n" "psubusb %%mm5,%%mm2\n" "psubusb %%mm6,%%mm4\n" "por %%mm1,%%mm2\n" "por %%mm3,%%mm4\n" /* now convert to 16-bit vectors so we can square them */ "movq %%mm2,%%mm1\n" "movq %%mm4,%%mm3\n" "punpckhbw %%mm0,%%mm2\n" "punpckhbw %%mm0,%%mm4\n" "punpcklbw %%mm0,%%mm1\n" /* mm1 now spread over (mm1,mm2) */ "punpcklbw %%mm0,%%mm3\n" /* mm4 now spread over (mm3,mm4) */ "pmaddwd %%mm2,%%mm2\n" "pmaddwd %%mm4,%%mm4\n" "pmaddwd %%mm1,%%mm1\n" "pmaddwd %%mm3,%%mm3\n" "lea (%0,%3,2), %0\n" /* pix1 += 2*line_size */ "lea (%1,%3,2), %1\n" /* pix2 += 2*line_size */ "paddd %%mm2,%%mm1\n" "paddd %%mm4,%%mm3\n" "paddd %%mm1,%%mm7\n" "paddd %%mm3,%%mm7\n" "decl %%ecx\n" "jnz 1b\n" "movq %%mm7,%%mm1\n" "psrlq $32, %%mm7\n" /* shift hi dword to lo */ "paddd %%mm7,%%mm1\n" "movd %%mm1,%2\n" : "+r" (pix1), "+r" (pix2), "=r"(tmp) : "r" ((x86_reg)line_size) , "m" (h) : "%ecx"); return tmp; } static int sse16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) { int tmp; __asm__ volatile ( "movl %4,%%ecx\n" "pxor %%mm0,%%mm0\n" /* mm0 = 0 */ "pxor %%mm7,%%mm7\n" /* mm7 holds the sum */ "1:\n" "movq (%0),%%mm1\n" /* mm1 = pix1[0-7] */ "movq (%1),%%mm2\n" /* mm2 = pix2[0-7] */ "movq 8(%0),%%mm3\n" /* mm3 = pix1[8-15] */ "movq 8(%1),%%mm4\n" /* mm4 = pix2[8-15] */ /* todo: mm1-mm2, mm3-mm4 */ /* algo: subtract mm1 from mm2 with saturation and vice versa */ /* OR the results to get absolute difference */ "movq %%mm1,%%mm5\n" "movq %%mm3,%%mm6\n" "psubusb %%mm2,%%mm1\n" "psubusb %%mm4,%%mm3\n" "psubusb %%mm5,%%mm2\n" "psubusb %%mm6,%%mm4\n" "por %%mm1,%%mm2\n" "por %%mm3,%%mm4\n" /* now convert to 16-bit vectors so we can square them */ "movq %%mm2,%%mm1\n" "movq %%mm4,%%mm3\n" "punpckhbw %%mm0,%%mm2\n" "punpckhbw %%mm0,%%mm4\n" "punpcklbw %%mm0,%%mm1\n" /* mm1 now spread over (mm1,mm2) */ "punpcklbw %%mm0,%%mm3\n" /* mm4 now spread over (mm3,mm4) */ "pmaddwd %%mm2,%%mm2\n" "pmaddwd %%mm4,%%mm4\n" "pmaddwd %%mm1,%%mm1\n" "pmaddwd %%mm3,%%mm3\n" "add %3,%0\n" "add %3,%1\n" "paddd %%mm2,%%mm1\n" "paddd %%mm4,%%mm3\n" "paddd %%mm1,%%mm7\n" "paddd %%mm3,%%mm7\n" "decl %%ecx\n" "jnz 1b\n" "movq %%mm7,%%mm1\n" "psrlq $32, %%mm7\n" /* shift hi dword to lo */ "paddd %%mm7,%%mm1\n" "movd %%mm1,%2\n" : "+r" (pix1), "+r" (pix2), "=r"(tmp) : "r" ((x86_reg)line_size) , "m" (h) : "%ecx"); return tmp; } static int hf_noise8_mmx(uint8_t * pix1, int line_size, int h) { int tmp; __asm__ volatile ( "movl %3,%%ecx\n" "pxor %%mm7,%%mm7\n" "pxor %%mm6,%%mm6\n" "movq (%0),%%mm0\n" "movq %%mm0, %%mm1\n" "psllq $8, %%mm0\n" "psrlq $8, %%mm1\n" "psrlq $8, %%mm0\n" "movq %%mm0, %%mm2\n" "movq %%mm1, %%mm3\n" "punpcklbw %%mm7,%%mm0\n" "punpcklbw %%mm7,%%mm1\n" "punpckhbw %%mm7,%%mm2\n" "punpckhbw %%mm7,%%mm3\n" "psubw %%mm1, %%mm0\n" "psubw %%mm3, %%mm2\n" "add %2,%0\n" "movq (%0),%%mm4\n" "movq %%mm4, %%mm1\n" "psllq $8, %%mm4\n" "psrlq $8, %%mm1\n" "psrlq $8, %%mm4\n" "movq %%mm4, %%mm5\n" "movq %%mm1, %%mm3\n" "punpcklbw %%mm7,%%mm4\n" "punpcklbw %%mm7,%%mm1\n" "punpckhbw %%mm7,%%mm5\n" "punpckhbw %%mm7,%%mm3\n" "psubw %%mm1, %%mm4\n" "psubw %%mm3, %%mm5\n" "psubw %%mm4, %%mm0\n" "psubw %%mm5, %%mm2\n" "pxor %%mm3, %%mm3\n" "pxor %%mm1, %%mm1\n" "pcmpgtw %%mm0, %%mm3\n\t" "pcmpgtw %%mm2, %%mm1\n\t" "pxor %%mm3, %%mm0\n" "pxor %%mm1, %%mm2\n" "psubw %%mm3, %%mm0\n" "psubw %%mm1, %%mm2\n" "paddw %%mm0, %%mm2\n" "paddw %%mm2, %%mm6\n" "add %2,%0\n" "1:\n" "movq (%0),%%mm0\n" "movq %%mm0, %%mm1\n" "psllq $8, %%mm0\n" "psrlq $8, %%mm1\n" "psrlq $8, %%mm0\n" "movq %%mm0, %%mm2\n" "movq %%mm1, %%mm3\n" "punpcklbw %%mm7,%%mm0\n" "punpcklbw %%mm7,%%mm1\n" "punpckhbw %%mm7,%%mm2\n" "punpckhbw %%mm7,%%mm3\n" "psubw %%mm1, %%mm0\n" "psubw %%mm3, %%mm2\n" "psubw %%mm0, %%mm4\n" "psubw %%mm2, %%mm5\n" "pxor %%mm3, %%mm3\n" "pxor %%mm1, %%mm1\n" "pcmpgtw %%mm4, %%mm3\n\t" "pcmpgtw %%mm5, %%mm1\n\t" "pxor %%mm3, %%mm4\n" "pxor %%mm1, %%mm5\n" "psubw %%mm3, %%mm4\n" "psubw %%mm1, %%mm5\n" "paddw %%mm4, %%mm5\n" "paddw %%mm5, %%mm6\n" "add %2,%0\n" "movq (%0),%%mm4\n" "movq %%mm4, %%mm1\n" "psllq $8, %%mm4\n" "psrlq $8, %%mm1\n" "psrlq $8, %%mm4\n" "movq %%mm4, %%mm5\n" "movq %%mm1, %%mm3\n" "punpcklbw %%mm7,%%mm4\n" "punpcklbw %%mm7,%%mm1\n" "punpckhbw %%mm7,%%mm5\n" "punpckhbw %%mm7,%%mm3\n" "psubw %%mm1, %%mm4\n" "psubw %%mm3, %%mm5\n" "psubw %%mm4, %%mm0\n" "psubw %%mm5, %%mm2\n" "pxor %%mm3, %%mm3\n" "pxor %%mm1, %%mm1\n" "pcmpgtw %%mm0, %%mm3\n\t" "pcmpgtw %%mm2, %%mm1\n\t" "pxor %%mm3, %%mm0\n" "pxor %%mm1, %%mm2\n" "psubw %%mm3, %%mm0\n" "psubw %%mm1, %%mm2\n" "paddw %%mm0, %%mm2\n" "paddw %%mm2, %%mm6\n" "add %2,%0\n" "subl $2, %%ecx\n" " jnz 1b\n" "movq %%mm6, %%mm0\n" "punpcklwd %%mm7,%%mm0\n" "punpckhwd %%mm7,%%mm6\n" "paddd %%mm0, %%mm6\n" "movq %%mm6,%%mm0\n" "psrlq $32, %%mm6\n" "paddd %%mm6,%%mm0\n" "movd %%mm0,%1\n" : "+r" (pix1), "=r"(tmp) : "r" ((x86_reg)line_size) , "g" (h-2) : "%ecx"); return tmp; } static int hf_noise16_mmx(uint8_t * pix1, int line_size, int h) { int tmp; uint8_t * pix= pix1; __asm__ volatile ( "movl %3,%%ecx\n" "pxor %%mm7,%%mm7\n" "pxor %%mm6,%%mm6\n" "movq (%0),%%mm0\n" "movq 1(%0),%%mm1\n" "movq %%mm0, %%mm2\n" "movq %%mm1, %%mm3\n" "punpcklbw %%mm7,%%mm0\n" "punpcklbw %%mm7,%%mm1\n" "punpckhbw %%mm7,%%mm2\n" "punpckhbw %%mm7,%%mm3\n" "psubw %%mm1, %%mm0\n" "psubw %%mm3, %%mm2\n" "add %2,%0\n" "movq (%0),%%mm4\n" "movq 1(%0),%%mm1\n" "movq %%mm4, %%mm5\n" "movq %%mm1, %%mm3\n" "punpcklbw %%mm7,%%mm4\n" "punpcklbw %%mm7,%%mm1\n" "punpckhbw %%mm7,%%mm5\n" "punpckhbw %%mm7,%%mm3\n" "psubw %%mm1, %%mm4\n" "psubw %%mm3, %%mm5\n" "psubw %%mm4, %%mm0\n" "psubw %%mm5, %%mm2\n" "pxor %%mm3, %%mm3\n" "pxor %%mm1, %%mm1\n" "pcmpgtw %%mm0, %%mm3\n\t" "pcmpgtw %%mm2, %%mm1\n\t" "pxor %%mm3, %%mm0\n" "pxor %%mm1, %%mm2\n" "psubw %%mm3, %%mm0\n" "psubw %%mm1, %%mm2\n" "paddw %%mm0, %%mm2\n" "paddw %%mm2, %%mm6\n" "add %2,%0\n" "1:\n" "movq (%0),%%mm0\n" "movq 1(%0),%%mm1\n" "movq %%mm0, %%mm2\n" "movq %%mm1, %%mm3\n" "punpcklbw %%mm7,%%mm0\n" "punpcklbw %%mm7,%%mm1\n" "punpckhbw %%mm7,%%mm2\n" "punpckhbw %%mm7,%%mm3\n" "psubw %%mm1, %%mm0\n" "psubw %%mm3, %%mm2\n" "psubw %%mm0, %%mm4\n" "psubw %%mm2, %%mm5\n" "pxor %%mm3, %%mm3\n" "pxor %%mm1, %%mm1\n" "pcmpgtw %%mm4, %%mm3\n\t" "pcmpgtw %%mm5, %%mm1\n\t" "pxor %%mm3, %%mm4\n" "pxor %%mm1, %%mm5\n" "psubw %%mm3, %%mm4\n" "psubw %%mm1, %%mm5\n" "paddw %%mm4, %%mm5\n" "paddw %%mm5, %%mm6\n" "add %2,%0\n" "movq (%0),%%mm4\n" "movq 1(%0),%%mm1\n" "movq %%mm4, %%mm5\n" "movq %%mm1, %%mm3\n" "punpcklbw %%mm7,%%mm4\n" "punpcklbw %%mm7,%%mm1\n" "punpckhbw %%mm7,%%mm5\n" "punpckhbw %%mm7,%%mm3\n" "psubw %%mm1, %%mm4\n" "psubw %%mm3, %%mm5\n" "psubw %%mm4, %%mm0\n" "psubw %%mm5, %%mm2\n" "pxor %%mm3, %%mm3\n" "pxor %%mm1, %%mm1\n" "pcmpgtw %%mm0, %%mm3\n\t" "pcmpgtw %%mm2, %%mm1\n\t" "pxor %%mm3, %%mm0\n" "pxor %%mm1, %%mm2\n" "psubw %%mm3, %%mm0\n" "psubw %%mm1, %%mm2\n" "paddw %%mm0, %%mm2\n" "paddw %%mm2, %%mm6\n" "add %2,%0\n" "subl $2, %%ecx\n" " jnz 1b\n" "movq %%mm6, %%mm0\n" "punpcklwd %%mm7,%%mm0\n" "punpckhwd %%mm7,%%mm6\n" "paddd %%mm0, %%mm6\n" "movq %%mm6,%%mm0\n" "psrlq $32, %%mm6\n" "paddd %%mm6,%%mm0\n" "movd %%mm0,%1\n" : "+r" (pix1), "=r"(tmp) : "r" ((x86_reg)line_size) , "g" (h-2) : "%ecx"); return tmp + hf_noise8_mmx(pix+8, line_size, h); } static int nsse16_mmx(void *p, uint8_t * pix1, uint8_t * pix2, int line_size, int h) { MpegEncContext *c = p; int score1, score2; if(c) score1 = c->dsp.sse[0](c, pix1, pix2, line_size, h); else score1 = sse16_mmx(c, pix1, pix2, line_size, h); score2= hf_noise16_mmx(pix1, line_size, h) - hf_noise16_mmx(pix2, line_size, h); if(c) return score1 + FFABS(score2)*c->avctx->nsse_weight; else return score1 + FFABS(score2)*8; } static int nsse8_mmx(void *p, uint8_t * pix1, uint8_t * pix2, int line_size, int h) { MpegEncContext *c = p; int score1= sse8_mmx(c, pix1, pix2, line_size, h); int score2= hf_noise8_mmx(pix1, line_size, h) - hf_noise8_mmx(pix2, line_size, h); if(c) return score1 + FFABS(score2)*c->avctx->nsse_weight; else return score1 + FFABS(score2)*8; } static int vsad_intra16_mmx(void *v, uint8_t * pix, uint8_t * dummy, int line_size, int h) { int tmp; av_assert2( (((int)pix) & 7) == 0); av_assert2((line_size &7) ==0); #define SUM(in0, in1, out0, out1) \ "movq (%0), %%mm2\n"\ "movq 8(%0), %%mm3\n"\ "add %2,%0\n"\ "movq %%mm2, " #out0 "\n"\ "movq %%mm3, " #out1 "\n"\ "psubusb " #in0 ", %%mm2\n"\ "psubusb " #in1 ", %%mm3\n"\ "psubusb " #out0 ", " #in0 "\n"\ "psubusb " #out1 ", " #in1 "\n"\ "por %%mm2, " #in0 "\n"\ "por %%mm3, " #in1 "\n"\ "movq " #in0 ", %%mm2\n"\ "movq " #in1 ", %%mm3\n"\ "punpcklbw %%mm7, " #in0 "\n"\ "punpcklbw %%mm7, " #in1 "\n"\ "punpckhbw %%mm7, %%mm2\n"\ "punpckhbw %%mm7, %%mm3\n"\ "paddw " #in1 ", " #in0 "\n"\ "paddw %%mm3, %%mm2\n"\ "paddw %%mm2, " #in0 "\n"\ "paddw " #in0 ", %%mm6\n" __asm__ volatile ( "movl %3,%%ecx\n" "pxor %%mm6,%%mm6\n" "pxor %%mm7,%%mm7\n" "movq (%0),%%mm0\n" "movq 8(%0),%%mm1\n" "add %2,%0\n" "jmp 2f\n" "1:\n" SUM(%%mm4, %%mm5, %%mm0, %%mm1) "2:\n" SUM(%%mm0, %%mm1, %%mm4, %%mm5) "subl $2, %%ecx\n" "jnz 1b\n" "movq %%mm6,%%mm0\n" "psrlq $32, %%mm6\n" "paddw %%mm6,%%mm0\n" "movq %%mm0,%%mm6\n" "psrlq $16, %%mm0\n" "paddw %%mm6,%%mm0\n" "movd %%mm0,%1\n" : "+r" (pix), "=r"(tmp) : "r" ((x86_reg)line_size) , "m" (h) : "%ecx"); return tmp & 0xFFFF; } #undef SUM static int vsad_intra16_mmxext(void *v, uint8_t *pix, uint8_t *dummy, int line_size, int h) { int tmp; av_assert2( (((int)pix) & 7) == 0); av_assert2((line_size &7) ==0); #define SUM(in0, in1, out0, out1) \ "movq (%0), " #out0 "\n"\ "movq 8(%0), " #out1 "\n"\ "add %2,%0\n"\ "psadbw " #out0 ", " #in0 "\n"\ "psadbw " #out1 ", " #in1 "\n"\ "paddw " #in1 ", " #in0 "\n"\ "paddw " #in0 ", %%mm6\n" __asm__ volatile ( "movl %3,%%ecx\n" "pxor %%mm6,%%mm6\n" "pxor %%mm7,%%mm7\n" "movq (%0),%%mm0\n" "movq 8(%0),%%mm1\n" "add %2,%0\n" "jmp 2f\n" "1:\n" SUM(%%mm4, %%mm5, %%mm0, %%mm1) "2:\n" SUM(%%mm0, %%mm1, %%mm4, %%mm5) "subl $2, %%ecx\n" "jnz 1b\n" "movd %%mm6,%1\n" : "+r" (pix), "=r"(tmp) : "r" ((x86_reg)line_size) , "m" (h) : "%ecx"); return tmp; } #undef SUM static int vsad16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) { int tmp; av_assert2( (((int)pix1) & 7) == 0); av_assert2( (((int)pix2) & 7) == 0); av_assert2((line_size &7) ==0); #define SUM(in0, in1, out0, out1) \ "movq (%0),%%mm2\n"\ "movq (%1)," #out0 "\n"\ "movq 8(%0),%%mm3\n"\ "movq 8(%1)," #out1 "\n"\ "add %3,%0\n"\ "add %3,%1\n"\ "psubb " #out0 ", %%mm2\n"\ "psubb " #out1 ", %%mm3\n"\ "pxor %%mm7, %%mm2\n"\ "pxor %%mm7, %%mm3\n"\ "movq %%mm2, " #out0 "\n"\ "movq %%mm3, " #out1 "\n"\ "psubusb " #in0 ", %%mm2\n"\ "psubusb " #in1 ", %%mm3\n"\ "psubusb " #out0 ", " #in0 "\n"\ "psubusb " #out1 ", " #in1 "\n"\ "por %%mm2, " #in0 "\n"\ "por %%mm3, " #in1 "\n"\ "movq " #in0 ", %%mm2\n"\ "movq " #in1 ", %%mm3\n"\ "punpcklbw %%mm7, " #in0 "\n"\ "punpcklbw %%mm7, " #in1 "\n"\ "punpckhbw %%mm7, %%mm2\n"\ "punpckhbw %%mm7, %%mm3\n"\ "paddw " #in1 ", " #in0 "\n"\ "paddw %%mm3, %%mm2\n"\ "paddw %%mm2, " #in0 "\n"\ "paddw " #in0 ", %%mm6\n" __asm__ volatile ( "movl %4,%%ecx\n" "pxor %%mm6,%%mm6\n" "pcmpeqw %%mm7,%%mm7\n" "psllw $15, %%mm7\n" "packsswb %%mm7, %%mm7\n" "movq (%0),%%mm0\n" "movq (%1),%%mm2\n" "movq 8(%0),%%mm1\n" "movq 8(%1),%%mm3\n" "add %3,%0\n" "add %3,%1\n" "psubb %%mm2, %%mm0\n" "psubb %%mm3, %%mm1\n" "pxor %%mm7, %%mm0\n" "pxor %%mm7, %%mm1\n" "jmp 2f\n" "1:\n" SUM(%%mm4, %%mm5, %%mm0, %%mm1) "2:\n" SUM(%%mm0, %%mm1, %%mm4, %%mm5) "subl $2, %%ecx\n" "jnz 1b\n" "movq %%mm6,%%mm0\n" "psrlq $32, %%mm6\n" "paddw %%mm6,%%mm0\n" "movq %%mm0,%%mm6\n" "psrlq $16, %%mm0\n" "paddw %%mm6,%%mm0\n" "movd %%mm0,%2\n" : "+r" (pix1), "+r" (pix2), "=r"(tmp) : "r" ((x86_reg)line_size) , "m" (h) : "%ecx"); return tmp & 0x7FFF; } #undef SUM static int vsad16_mmxext(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int tmp; av_assert2( (((int)pix1) & 7) == 0); av_assert2( (((int)pix2) & 7) == 0); av_assert2((line_size &7) ==0); #define SUM(in0, in1, out0, out1) \ "movq (%0)," #out0 "\n"\ "movq (%1),%%mm2\n"\ "movq 8(%0)," #out1 "\n"\ "movq 8(%1),%%mm3\n"\ "add %3,%0\n"\ "add %3,%1\n"\ "psubb %%mm2, " #out0 "\n"\ "psubb %%mm3, " #out1 "\n"\ "pxor %%mm7, " #out0 "\n"\ "pxor %%mm7, " #out1 "\n"\ "psadbw " #out0 ", " #in0 "\n"\ "psadbw " #out1 ", " #in1 "\n"\ "paddw " #in1 ", " #in0 "\n"\ "paddw " #in0 ", %%mm6\n" __asm__ volatile ( "movl %4,%%ecx\n" "pxor %%mm6,%%mm6\n" "pcmpeqw %%mm7,%%mm7\n" "psllw $15, %%mm7\n" "packsswb %%mm7, %%mm7\n" "movq (%0),%%mm0\n" "movq (%1),%%mm2\n" "movq 8(%0),%%mm1\n" "movq 8(%1),%%mm3\n" "add %3,%0\n" "add %3,%1\n" "psubb %%mm2, %%mm0\n" "psubb %%mm3, %%mm1\n" "pxor %%mm7, %%mm0\n" "pxor %%mm7, %%mm1\n" "jmp 2f\n" "1:\n" SUM(%%mm4, %%mm5, %%mm0, %%mm1) "2:\n" SUM(%%mm0, %%mm1, %%mm4, %%mm5) "subl $2, %%ecx\n" "jnz 1b\n" "movd %%mm6,%2\n" : "+r" (pix1), "+r" (pix2), "=r"(tmp) : "r" ((x86_reg)line_size) , "m" (h) : "%ecx"); return tmp; } #undef SUM static void diff_bytes_mmx(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w){ x86_reg i=0; if(w>=16) __asm__ volatile( "1: \n\t" "movq (%2, %0), %%mm0 \n\t" "movq (%1, %0), %%mm1 \n\t" "psubb %%mm0, %%mm1 \n\t" "movq %%mm1, (%3, %0) \n\t" "movq 8(%2, %0), %%mm0 \n\t" "movq 8(%1, %0), %%mm1 \n\t" "psubb %%mm0, %%mm1 \n\t" "movq %%mm1, 8(%3, %0) \n\t" "add $16, %0 \n\t" "cmp %4, %0 \n\t" " jb 1b \n\t" : "+r" (i) : "r"(src1), "r"(src2), "r"(dst), "r"((x86_reg)w-15) ); for(; i<w; i++) dst[i+0] = src1[i+0]-src2[i+0]; } static void sub_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top) { x86_reg i=0; uint8_t l, lt; __asm__ volatile( "movq (%1, %0), %%mm0 \n\t" // LT "psllq $8, %%mm0 \n\t" "1: \n\t" "movq (%1, %0), %%mm1 \n\t" // T "movq -1(%2, %0), %%mm2 \n\t" // L "movq (%2, %0), %%mm3 \n\t" // X "movq %%mm2, %%mm4 \n\t" // L "psubb %%mm0, %%mm2 \n\t" "paddb %%mm1, %%mm2 \n\t" // L + T - LT "movq %%mm4, %%mm5 \n\t" // L "pmaxub %%mm1, %%mm4 \n\t" // max(T, L) "pminub %%mm5, %%mm1 \n\t" // min(T, L) "pminub %%mm2, %%mm4 \n\t" "pmaxub %%mm1, %%mm4 \n\t" "psubb %%mm4, %%mm3 \n\t" // dst - pred "movq %%mm3, (%3, %0) \n\t" "add $8, %0 \n\t" "movq -1(%1, %0), %%mm0 \n\t" // LT "cmp %4, %0 \n\t" " jb 1b \n\t" : "+r" (i) : "r"(src1), "r"(src2), "r"(dst), "r"((x86_reg)w) ); l= *left; lt= *left_top; dst[0]= src2[0] - mid_pred(l, src1[0], (l + src1[0] - lt)&0xFF); *left_top= src1[w-1]; *left = src2[w-1]; } #define MMABS_MMX(a,z)\ "pxor " #z ", " #z " \n\t"\ "pcmpgtw " #a ", " #z " \n\t"\ "pxor " #z ", " #a " \n\t"\ "psubw " #z ", " #a " \n\t" #define MMABS_MMXEXT(a, z) \ "pxor " #z ", " #z " \n\t"\ "psubw " #a ", " #z " \n\t"\ "pmaxsw " #z ", " #a " \n\t" #define MMABS_SSSE3(a,z)\ "pabsw " #a ", " #a " \n\t" #define MMABS_SUM(a,z, sum)\ MMABS(a,z)\ "paddusw " #a ", " #sum " \n\t" /* FIXME: HSUM_* saturates at 64k, while an 8x8 hadamard or dct block can get up to * about 100k on extreme inputs. But that's very unlikely to occur in natural video, * and it's even more unlikely to not have any alternative mvs/modes with lower cost. */ #define HSUM_MMX(a, t, dst)\ "movq "#a", "#t" \n\t"\ "psrlq $32, "#a" \n\t"\ "paddusw "#t", "#a" \n\t"\ "movq "#a", "#t" \n\t"\ "psrlq $16, "#a" \n\t"\ "paddusw "#t", "#a" \n\t"\ "movd "#a", "#dst" \n\t"\ #define HSUM_MMXEXT(a, t, dst) \ "pshufw $0x0E, "#a", "#t" \n\t"\ "paddusw "#t", "#a" \n\t"\ "pshufw $0x01, "#a", "#t" \n\t"\ "paddusw "#t", "#a" \n\t"\ "movd "#a", "#dst" \n\t"\ #define HSUM_SSE2(a, t, dst)\ "movhlps "#a", "#t" \n\t"\ "paddusw "#t", "#a" \n\t"\ "pshuflw $0x0E, "#a", "#t" \n\t"\ "paddusw "#t", "#a" \n\t"\ "pshuflw $0x01, "#a", "#t" \n\t"\ "paddusw "#t", "#a" \n\t"\ "movd "#a", "#dst" \n\t"\ #define DCT_SAD4(m,mm,o)\ "mov"#m" "#o"+ 0(%1), "#mm"2 \n\t"\ "mov"#m" "#o"+16(%1), "#mm"3 \n\t"\ "mov"#m" "#o"+32(%1), "#mm"4 \n\t"\ "mov"#m" "#o"+48(%1), "#mm"5 \n\t"\ MMABS_SUM(mm##2, mm##6, mm##0)\ MMABS_SUM(mm##3, mm##7, mm##1)\ MMABS_SUM(mm##4, mm##6, mm##0)\ MMABS_SUM(mm##5, mm##7, mm##1)\ #define DCT_SAD_MMX\ "pxor %%mm0, %%mm0 \n\t"\ "pxor %%mm1, %%mm1 \n\t"\ DCT_SAD4(q, %%mm, 0)\ DCT_SAD4(q, %%mm, 8)\ DCT_SAD4(q, %%mm, 64)\ DCT_SAD4(q, %%mm, 72)\ "paddusw %%mm1, %%mm0 \n\t"\ HSUM(%%mm0, %%mm1, %0) #define DCT_SAD_SSE2\ "pxor %%xmm0, %%xmm0 \n\t"\ "pxor %%xmm1, %%xmm1 \n\t"\ DCT_SAD4(dqa, %%xmm, 0)\ DCT_SAD4(dqa, %%xmm, 64)\ "paddusw %%xmm1, %%xmm0 \n\t"\ HSUM(%%xmm0, %%xmm1, %0) #define DCT_SAD_FUNC(cpu) \ static int sum_abs_dctelem_##cpu(int16_t *block){\ int sum;\ __asm__ volatile(\ DCT_SAD\ :"=r"(sum)\ :"r"(block)\ );\ return sum&0xFFFF;\ } #define DCT_SAD DCT_SAD_MMX #define HSUM(a,t,dst) HSUM_MMX(a,t,dst) #define MMABS(a,z) MMABS_MMX(a,z) DCT_SAD_FUNC(mmx) #undef MMABS #undef HSUM #define HSUM(a,t,dst) HSUM_MMXEXT(a,t,dst) #define MMABS(a,z) MMABS_MMXEXT(a,z) DCT_SAD_FUNC(mmxext) #undef HSUM #undef DCT_SAD #define DCT_SAD DCT_SAD_SSE2 #define HSUM(a,t,dst) HSUM_SSE2(a,t,dst) DCT_SAD_FUNC(sse2) #undef MMABS #if HAVE_SSSE3_INLINE #define MMABS(a,z) MMABS_SSSE3(a,z) DCT_SAD_FUNC(ssse3) #undef MMABS #endif #undef HSUM #undef DCT_SAD static int ssd_int8_vs_int16_mmx(const int8_t *pix1, const int16_t *pix2, int size){ int sum; x86_reg i=size; __asm__ volatile( "pxor %%mm4, %%mm4 \n" "1: \n" "sub $8, %0 \n" "movq (%2,%0), %%mm2 \n" "movq (%3,%0,2), %%mm0 \n" "movq 8(%3,%0,2), %%mm1 \n" "punpckhbw %%mm2, %%mm3 \n" "punpcklbw %%mm2, %%mm2 \n" "psraw $8, %%mm3 \n" "psraw $8, %%mm2 \n" "psubw %%mm3, %%mm1 \n" "psubw %%mm2, %%mm0 \n" "pmaddwd %%mm1, %%mm1 \n" "pmaddwd %%mm0, %%mm0 \n" "paddd %%mm1, %%mm4 \n" "paddd %%mm0, %%mm4 \n" "jg 1b \n" "movq %%mm4, %%mm3 \n" "psrlq $32, %%mm3 \n" "paddd %%mm3, %%mm4 \n" "movd %%mm4, %1 \n" :"+r"(i), "=r"(sum) :"r"(pix1), "r"(pix2) ); return sum; } #define PHADDD(a, t)\ "movq "#a", "#t" \n\t"\ "psrlq $32, "#a" \n\t"\ "paddd "#t", "#a" \n\t" /* pmulhw: dst[0-15]=(src[0-15]*dst[0-15])[16-31] pmulhrw: dst[0-15]=(src[0-15]*dst[0-15] + 0x8000)[16-31] pmulhrsw: dst[0-15]=(src[0-15]*dst[0-15] + 0x4000)[15-30] */ #define PMULHRW(x, y, s, o)\ "pmulhw " #s ", "#x " \n\t"\ "pmulhw " #s ", "#y " \n\t"\ "paddw " #o ", "#x " \n\t"\ "paddw " #o ", "#y " \n\t"\ "psraw $1, "#x " \n\t"\ "psraw $1, "#y " \n\t" #define DEF(x) x ## _mmx #define SET_RND MOVQ_WONE #define SCALE_OFFSET 1 #include "dsputil_qns_template.c" #undef DEF #undef SET_RND #undef SCALE_OFFSET #undef PMULHRW #define DEF(x) x ## _3dnow #define SET_RND(x) #define SCALE_OFFSET 0 #define PMULHRW(x, y, s, o)\ "pmulhrw " #s ", "#x " \n\t"\ "pmulhrw " #s ", "#y " \n\t" #include "dsputil_qns_template.c" #undef DEF #undef SET_RND #undef SCALE_OFFSET #undef PMULHRW #if HAVE_SSSE3_INLINE #undef PHADDD #define DEF(x) x ## _ssse3 #define SET_RND(x) #define SCALE_OFFSET -1 #define PHADDD(a, t)\ "pshufw $0x0E, "#a", "#t" \n\t"\ "paddd "#t", "#a" \n\t" /* faster than phaddd on core2 */ #define PMULHRW(x, y, s, o)\ "pmulhrsw " #s ", "#x " \n\t"\ "pmulhrsw " #s ", "#y " \n\t" #include "dsputil_qns_template.c" #undef DEF #undef SET_RND #undef SCALE_OFFSET #undef PMULHRW #undef PHADDD #endif /* HAVE_SSSE3_INLINE */ #endif /* HAVE_INLINE_ASM */ int ff_sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h); #define hadamard_func(cpu) \ int ff_hadamard8_diff_##cpu (void *s, uint8_t *src1, uint8_t *src2, \ int stride, int h); \ int ff_hadamard8_diff16_##cpu(void *s, uint8_t *src1, uint8_t *src2, \ int stride, int h); hadamard_func(mmx) hadamard_func(mmxext) hadamard_func(sse2) hadamard_func(ssse3) av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx) { int cpu_flags = av_get_cpu_flags(); const int dct_algo = avctx->dct_algo; #if HAVE_YASM int bit_depth = avctx->bits_per_raw_sample; if (EXTERNAL_MMX(cpu_flags)) { if (bit_depth <= 8) c->get_pixels = ff_get_pixels_mmx; c->diff_pixels = ff_diff_pixels_mmx; c->pix_sum = ff_pix_sum16_mmx; c->pix_norm1 = ff_pix_norm1_mmx; } if (EXTERNAL_SSE2(cpu_flags)) if (bit_depth <= 8) c->get_pixels = ff_get_pixels_sse2; #endif /* HAVE_YASM */ #if HAVE_INLINE_ASM if (INLINE_MMX(cpu_flags)) { if (avctx->bits_per_raw_sample <= 8 && (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX)) c->fdct = ff_fdct_mmx; c->diff_bytes= diff_bytes_mmx; c->sum_abs_dctelem= sum_abs_dctelem_mmx; c->sse[0] = sse16_mmx; c->sse[1] = sse8_mmx; c->vsad[4]= vsad_intra16_mmx; c->nsse[0] = nsse16_mmx; c->nsse[1] = nsse8_mmx; if(!(avctx->flags & CODEC_FLAG_BITEXACT)){ c->vsad[0] = vsad16_mmx; } if(!(avctx->flags & CODEC_FLAG_BITEXACT)){ c->try_8x8basis= try_8x8basis_mmx; } c->add_8x8basis= add_8x8basis_mmx; c->ssd_int8_vs_int16 = ssd_int8_vs_int16_mmx; } if (INLINE_AMD3DNOW(cpu_flags)) { if (!(avctx->flags & CODEC_FLAG_BITEXACT)) { c->try_8x8basis = try_8x8basis_3dnow; } c->add_8x8basis = add_8x8basis_3dnow; } if (INLINE_MMXEXT(cpu_flags)) { if (avctx->bits_per_raw_sample <= 8 && (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX)) c->fdct = ff_fdct_mmxext; c->sum_abs_dctelem = sum_abs_dctelem_mmxext; c->vsad[4] = vsad_intra16_mmxext; if (!(avctx->flags & CODEC_FLAG_BITEXACT)){ c->vsad[0] = vsad16_mmxext; } c->sub_hfyu_median_prediction = sub_hfyu_median_prediction_mmxext; } if (INLINE_SSE2(cpu_flags)) { if (avctx->bits_per_raw_sample <= 8 && (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX)) c->fdct = ff_fdct_sse2; c->sum_abs_dctelem= sum_abs_dctelem_sse2; } #if HAVE_SSSE3_INLINE if (INLINE_SSSE3(cpu_flags)) { if (!(avctx->flags & CODEC_FLAG_BITEXACT)) { c->try_8x8basis = try_8x8basis_ssse3; } c->add_8x8basis = add_8x8basis_ssse3; c->sum_abs_dctelem = sum_abs_dctelem_ssse3; } #endif #endif /* HAVE_INLINE_ASM */ if (EXTERNAL_MMX(cpu_flags)) { c->hadamard8_diff[0] = ff_hadamard8_diff16_mmx; c->hadamard8_diff[1] = ff_hadamard8_diff_mmx; } if (EXTERNAL_MMXEXT(cpu_flags)) { c->hadamard8_diff[0] = ff_hadamard8_diff16_mmxext; c->hadamard8_diff[1] = ff_hadamard8_diff_mmxext; } if (EXTERNAL_SSE2(cpu_flags)) { c->sse[0] = ff_sse16_sse2; #if HAVE_ALIGNED_STACK c->hadamard8_diff[0] = ff_hadamard8_diff16_sse2; c->hadamard8_diff[1] = ff_hadamard8_diff_sse2; #endif } if (EXTERNAL_SSSE3(cpu_flags) && HAVE_ALIGNED_STACK) { c->hadamard8_diff[0] = ff_hadamard8_diff16_ssse3; c->hadamard8_diff[1] = ff_hadamard8_diff_ssse3; } ff_dsputil_init_pix_mmx(c, avctx); }