2 * This file is part of FFmpeg.
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.
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.
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
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"
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
);
30 av_cold
void ff_pullup_init_x86(PullupContext
*s
)
33 int cpu_flags
= av_get_cpu_flags();
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
;