imgutils.asm (1713B)
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 23 SECTION .text 24 25 INIT_XMM sse4 26 cglobal 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