/* * MMX optimized DSP utils * Copyright (c) 2000, 2001 Fabrice Bellard * Copyright (c) 2002-2004 Michael Niedermayer * * MMX optimization by Nick Kurshev * * 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" \ /* faster than phaddd on core2 */ \ "paddd " #t ", " #a " \n\t" #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; 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); }