1 /*
2 * ARM NEON optimised Float DSP functions
3 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include <stdint.h>
23
24 #include "libavutil/attributes.h"
25 #include "libavutil/cpu.h"
26 #include "libavutil/float_dsp.h"
27 #include "cpu.h"
28
29 void ff_vector_fmul_neon(float *dst, const float *src0, const float *src1,
30 int len);
31
32 void ff_vector_fmac_scalar_neon(float *dst, const float *src, float mul,
33 int len);
34
35 void ff_vector_fmul_scalar_neon(float *dst, const float *src, float mul,
36 int len);
37
38 void ff_vector_dmul_scalar_neon(double *dst, const double *src, double mul,
39 int len);
40
41 void ff_vector_fmul_window_neon(float *dst, const float *src0,
42 const float *src1, const float *win, int len);
43
44 void ff_vector_fmul_add_neon(float *dst, const float *src0, const float *src1,
45 const float *src2, int len);
46
47 void ff_vector_fmul_reverse_neon(float *dst, const float *src0,
48 const float *src1, int len);
49
50 void ff_butterflies_float_neon(float *v1, float *v2, int len);
51
52 float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len);
53
ff_float_dsp_init_aarch64(AVFloatDSPContext * fdsp)54 av_cold void ff_float_dsp_init_aarch64(AVFloatDSPContext *fdsp)
55 {
56 int cpu_flags = av_get_cpu_flags();
57
58 if (have_neon(cpu_flags)) {
59 fdsp->butterflies_float = ff_butterflies_float_neon;
60 fdsp->scalarproduct_float = ff_scalarproduct_float_neon;
61 fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_neon;
62 fdsp->vector_fmul = ff_vector_fmul_neon;
63 fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_neon;
64 fdsp->vector_fmul_add = ff_vector_fmul_add_neon;
65 fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_neon;
66 fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_neon;
67 fdsp->vector_fmul_window = ff_vector_fmul_window_neon;
68 }
69 }
70