1/* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License along 15 * with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17*/ 18 19#include "libavutil/attributes.h" 20#include "libavutil/cpu.h" 21#include "libavutil/mem.h" 22#include "libavutil/x86/asm.h" 23#include "libavutil/x86/cpu.h" 24#include "libavfilter/vf_pullup.h" 25 26int ff_pullup_filter_diff_mmx(const uint8_t *a, const uint8_t *b, ptrdiff_t s); 27int ff_pullup_filter_comb_mmx(const uint8_t *a, const uint8_t *b, ptrdiff_t s); 28int ff_pullup_filter_var_mmx (const uint8_t *a, const uint8_t *b, ptrdiff_t s); 29 30av_cold void ff_pullup_init_x86(PullupContext *s) 31{ 32#if HAVE_YASM 33 int cpu_flags = av_get_cpu_flags(); 34 35 if (EXTERNAL_MMX(cpu_flags)) { 36 s->diff = ff_pullup_filter_diff_mmx; 37 s->comb = ff_pullup_filter_comb_mmx; 38 s->var = ff_pullup_filter_var_mmx; 39 } 40#endif 41} 42