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_dmac_scalar_sse2(double *dst, const double *src, double mul,
44 void ff_vector_dmac_scalar_avx(double *dst, const double *src, double mul,
46 void ff_vector_dmac_scalar_fma3(double *dst, const double *src, double mul,
49 void ff_vector_dmul_scalar_sse2(double *dst, const double *src,
51 void ff_vector_dmul_scalar_avx(double *dst, const double *src,
54 void ff_vector_fmul_window_3dnowext(float *dst, const float *src0,
55 const float *src1, const float *win, int len);
56 void ff_vector_fmul_window_sse(float *dst, const float *src0,
57 const float *src1, const float *win, int len);
59 void ff_vector_fmul_add_sse(float *dst, const float *src0, const float *src1,
60 const float *src2, int len);
61 void ff_vector_fmul_add_avx(float *dst, const float *src0, const float *src1,
62 const float *src2, int len);
63 void ff_vector_fmul_add_fma3(float *dst, const float *src0, const float *src1,
64 const float *src2, int len);
66 void ff_vector_fmul_reverse_sse(float *dst, const float *src0,
67 const float *src1, int len);
68 void ff_vector_fmul_reverse_avx(float *dst, const float *src0,
69 const float *src1, int len);
70 void ff_vector_fmul_reverse_avx2(float *dst, const float *src0,
71 const float *src1, int len);
73 float ff_scalarproduct_float_sse(const float *v1, const float *v2, int order);
75 void ff_butterflies_float_sse(float *av_restrict src0, float *av_restrict src1, int len);
77 av_cold void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp)
79 int cpu_flags = av_get_cpu_flags();
81 if (EXTERNAL_AMD3DNOWEXT(cpu_flags)) {
82 fdsp->vector_fmul_window = ff_vector_fmul_window_3dnowext;
84 if (EXTERNAL_SSE(cpu_flags)) {
85 fdsp->vector_fmul = ff_vector_fmul_sse;
86 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse;
87 fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_sse;
88 fdsp->vector_fmul_window = ff_vector_fmul_window_sse;
89 fdsp->vector_fmul_add = ff_vector_fmul_add_sse;
90 fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_sse;
91 fdsp->scalarproduct_float = ff_scalarproduct_float_sse;
92 fdsp->butterflies_float = ff_butterflies_float_sse;
94 if (EXTERNAL_SSE2(cpu_flags)) {
95 fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_sse2;
96 fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2;
98 if (EXTERNAL_AVX_FAST(cpu_flags)) {
99 fdsp->vector_fmul = ff_vector_fmul_avx;
100 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx;
101 fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_avx;
102 fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_avx;
103 fdsp->vector_fmul_add = ff_vector_fmul_add_avx;
104 fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_avx;
106 if (EXTERNAL_AVX2_FAST(cpu_flags)) {
107 fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_avx2;
109 if (EXTERNAL_FMA3_FAST(cpu_flags)) {
110 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_fma3;
111 fdsp->vector_fmul_add = ff_vector_fmul_add_fma3;
112 fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_fma3;