| 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 | |
| 26 | int ff_pullup_filter_diff_mmx(const uint8_t *a, const uint8_t *b, ptrdiff_t s); |
| 27 | int ff_pullup_filter_comb_mmx(const uint8_t *a, const uint8_t *b, ptrdiff_t s); |
| 28 | int ff_pullup_filter_var_mmx (const uint8_t *a, const uint8_t *b, ptrdiff_t s); |
| 29 | |
| 30 | av_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 | } |