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 Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 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 GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along 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 "config.h"
20
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/fixed_dsp.h"
24 #include "cpu.h"
25
26 void ff_butterflies_fixed_sse2(int *src0, int *src1, int len);
27
ff_fixed_dsp_init_x86(AVFixedDSPContext * fdsp)28 av_cold void ff_fixed_dsp_init_x86(AVFixedDSPContext *fdsp)
29 {
30 int cpu_flags = av_get_cpu_flags();
31
32 if (EXTERNAL_SSE2(cpu_flags)) {
33 fdsp->butterflies_fixed = ff_butterflies_fixed_sse2;
34 }
35 }
36