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"
25 extern void ff_vector_fmul_sse(float *dst, const float *src0, const float *src1,
27 extern void ff_vector_fmul_avx(float *dst, const float *src0, const float *src1,
30 extern void ff_vector_fmac_scalar_sse(float *dst, const float *src, float mul,
32 extern void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul,
35 extern void ff_vector_fmul_scalar_sse(float *dst, const float *src, float mul,
38 extern void ff_vector_dmul_scalar_sse2(double *dst, const double *src,
40 extern void ff_vector_dmul_scalar_avx(double *dst, const double *src,
43 void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp)
45 int mm_flags = av_get_cpu_flags();
47 if (EXTERNAL_SSE(mm_flags)) {
48 fdsp->vector_fmul = ff_vector_fmul_sse;
49 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse;
50 fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_sse;
52 if (EXTERNAL_SSE2(mm_flags)) {
53 fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2;
55 if (EXTERNAL_AVX(mm_flags)) {
56 fdsp->vector_fmul = ff_vector_fmul_avx;
57 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx;
58 fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_avx;