1;***************************************************************************** 2;* Copyright 2016 Anton Khirnov 3;* 4;* This file is part of FFmpeg. 5;* 6;* FFmpeg is free software; you can redistribute it and/or 7;* modify it under the terms of the GNU Lesser General Public 8;* License as published by the Free Software Foundation; either 9;* version 2.1 of the License, or (at your option) any later version. 10;* 11;* FFmpeg is distributed in the hope that it will be useful, 12;* but WITHOUT ANY WARRANTY; without even the implied warranty of 13;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14;* Lesser General Public License for more details. 15;* 16;* You should have received a copy of the GNU Lesser General Public 17;* License along with FFmpeg; if not, write to the Free Software 18;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19;****************************************************************************** 20 21%include "libavutil/x86/x86util.asm" 22 23SECTION .text 24 25INIT_XMM sse4 26cglobal image_copy_plane_uc_from, 6, 7, 4, dst, dst_linesize, src, src_linesize, bw, height, rowpos 27 add dstq, bwq 28 add srcq, bwq 29 neg bwq 30 31.row_start: 32 mov rowposq, bwq 33 34.loop: 35 movntdqa m0, [srcq + rowposq + 0 * mmsize] 36 movntdqa m1, [srcq + rowposq + 1 * mmsize] 37 movntdqa m2, [srcq + rowposq + 2 * mmsize] 38 movntdqa m3, [srcq + rowposq + 3 * mmsize] 39 40 mova [dstq + rowposq + 0 * mmsize], m0 41 mova [dstq + rowposq + 1 * mmsize], m1 42 mova [dstq + rowposq + 2 * mmsize], m2 43 mova [dstq + rowposq + 3 * mmsize], m3 44 45 add rowposq, 4 * mmsize 46 jnz .loop 47 48 add srcq, src_linesizeq 49 add dstq, dst_linesizeq 50 dec heightd 51 jnz .row_start 52 53 RET 54