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 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.
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.
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
21 #include "libavutil/cpu.h"
22 #include "libavutil/float_dsp.h"
24 extern void ff_vector_fmul_sse(float *dst, const float *src0, const float *src1,
26 extern void ff_vector_fmul_avx(float *dst, const float *src0, const float *src1,
29 extern void ff_vector_fmac_scalar_sse(float *dst, const float *src, float mul,
31 extern void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul,
34 void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp)
37 int mm_flags = av_get_cpu_flags();
39 if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) {
40 fdsp->vector_fmul = ff_vector_fmul_sse;
41 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse;
43 if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) {
44 fdsp->vector_fmul = ff_vector_fmul_avx;
45 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx;