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float_dsp_init.c
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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 
55 {
56  int cpu_flags = av_get_cpu_flags();
57 
58  if (have_neon(cpu_flags)) {
68  }
69 }