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/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/float_dsp.h"
27 void ff_vector_fmul_sse(float *dst, const float *src0, const float *src1,
29 void ff_vector_fmul_avx(float *dst, const float *src0, const float *src1,
32 void ff_vector_fmac_scalar_sse(float *dst, const float *src, float mul,
34 void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul,
36 void ff_vector_fmac_scalar_fma3(float *dst, const float *src, float mul,
39 void ff_vector_fmul_scalar_sse(float *dst, const float *src, float mul,
42 void ff_vector_dmul_scalar_sse2(double *dst, const double *src,
44 void ff_vector_dmul_scalar_avx(double *dst, const double *src,
47 void ff_vector_fmul_window_3dnowext(float *dst, const float *src0,
48 const float *src1, const float *win, int len);
49 void ff_vector_fmul_window_sse(float *dst, const float *src0,
50 const float *src1, const float *win, int len);
52 void ff_vector_fmul_add_sse(float *dst, const float *src0, const float *src1,
53 const float *src2, int len);
54 void ff_vector_fmul_add_avx(float *dst, const float *src0, const float *src1,
55 const float *src2, int len);
56 void ff_vector_fmul_add_fma3(float *dst, const float *src0, const float *src1,
57 const float *src2, int len);
59 void ff_vector_fmul_reverse_sse(float *dst, const float *src0,
60 const float *src1, int len);
61 void ff_vector_fmul_reverse_avx(float *dst, const float *src0,
62 const float *src1, int len);
64 float ff_scalarproduct_float_sse(const float *v1, const float *v2, int order);
66 void ff_butterflies_float_sse(float *src0, float *src1, int len);
68 av_cold void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp)
70 int cpu_flags = av_get_cpu_flags();
72 if (EXTERNAL_AMD3DNOWEXT(cpu_flags)) {
73 fdsp->vector_fmul_window = ff_vector_fmul_window_3dnowext;
75 if (EXTERNAL_SSE(cpu_flags)) {
76 fdsp->vector_fmul = ff_vector_fmul_sse;
77 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse;
78 fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_sse;
79 fdsp->vector_fmul_window = ff_vector_fmul_window_sse;
80 fdsp->vector_fmul_add = ff_vector_fmul_add_sse;
81 fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_sse;
82 fdsp->scalarproduct_float = ff_scalarproduct_float_sse;
83 fdsp->butterflies_float = ff_butterflies_float_sse;
85 if (EXTERNAL_SSE2(cpu_flags)) {
86 fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2;
88 if (EXTERNAL_AVX_FAST(cpu_flags)) {
89 fdsp->vector_fmul = ff_vector_fmul_avx;
90 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx;
91 fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_avx;
92 fdsp->vector_fmul_add = ff_vector_fmul_add_avx;
93 fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_avx;
95 if (EXTERNAL_FMA3_FAST(cpu_flags)) {
96 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_fma3;
97 fdsp->vector_fmul_add = ff_vector_fmul_add_fma3;