1;****************************************************************************** 2;* SIMD-optimized deinterlacing functions 3;* Copyright (c) 2010 Vitor Sessak 4;* Copyright (c) 2002 Michael Niedermayer 5;* 6;* This file is part of FFmpeg. 7;* 8;* FFmpeg is free software; you can redistribute it and/or 9;* modify it under the terms of the GNU Lesser General Public 10;* License as published by the Free Software Foundation; either 11;* version 2.1 of the License, or (at your option) any later version. 12;* 13;* FFmpeg is distributed in the hope that it will be useful, 14;* but WITHOUT ANY WARRANTY; without even the implied warranty of 15;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16;* Lesser General Public License for more details. 17;* 18;* You should have received a copy of the GNU Lesser General Public 19;* License along with FFmpeg; if not, write to the Free Software 20;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21;****************************************************************************** 22 23%include "libavutil/x86/x86util.asm" 24 25SECTION_RODATA 26 27cextern pw_4 28 29SECTION .text 30 31%macro DEINTERLACE 1 32%ifidn %1, inplace 33;void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4, const uint8_t *lum_m3, const uint8_t *lum_m2, const uint8_t *lum_m1, const uint8_t *lum, int size) 34cglobal deinterlace_line_inplace_mmx, 6,6,7, lum_m4, lum_m3, lum_m2, lum_m1, lum, size 35%else 36;void ff_deinterlace_line_mmx(uint8_t *dst, const uint8_t *lum_m4, const uint8_t *lum_m3, const uint8_t *lum_m2, const uint8_t *lum_m1, const uint8_t *lum, int size) 37cglobal deinterlace_line_mmx, 7,7,7, dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size 38%endif 39 pxor mm7, mm7 40 movq mm6, [pw_4] 41.nextrow: 42 movd mm0, [lum_m4q] 43 movd mm1, [lum_m3q] 44 movd mm2, [lum_m2q] 45%ifidn %1, inplace 46 movd [lum_m4q], mm2 47%endif 48 movd mm3, [lum_m1q] 49 movd mm4, [lumq] 50 punpcklbw mm0, mm7 51 punpcklbw mm1, mm7 52 punpcklbw mm2, mm7 53 punpcklbw mm3, mm7 54 punpcklbw mm4, mm7 55 paddw mm1, mm3 56 psllw mm2, 1 57 paddw mm0, mm4 58 psllw mm1, 2 59 paddw mm2, mm6 60 paddw mm1, mm2 61 psubusw mm1, mm0 62 psrlw mm1, 3 63 packuswb mm1, mm7 64%ifidn %1, inplace 65 movd [lum_m2q], mm1 66%else 67 movd [dstq], mm1 68 add dstq, 4 69%endif 70 add lum_m4q, 4 71 add lum_m3q, 4 72 add lum_m2q, 4 73 add lum_m1q, 4 74 add lumq, 4 75 sub sized, 4 76 jg .nextrow 77 REP_RET 78%endmacro 79 80DEINTERLACE "" 81 82DEINTERLACE inplace 83