FFmpeg
float_dsp_init_neon.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/float_dsp.h"
26 #include "float_dsp_arm.h"
27 
28 void ff_vector_fmul_neon(float *dst, const float *src0, const float *src1, int len);
29 
30 void ff_vector_fmac_scalar_neon(float *dst, const float *src, float mul,
31  int len);
32 
33 void ff_vector_fmul_scalar_neon(float *dst, const float *src, float mul,
34  int len);
35 
36 void ff_vector_fmul_window_neon(float *dst, const float *src0,
37  const float *src1, const float *win, int len);
38 
39 void ff_vector_fmul_add_neon(float *dst, const float *src0, const float *src1,
40  const float *src2, int len);
41 
42 void ff_vector_fmul_reverse_neon(float *dst, const float *src0,
43  const float *src1, int len);
44 
45 void ff_butterflies_float_neon(float *v1, float *v2, int len);
46 
47 float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len);
48 
50 {
59 }
ff_vector_fmul_add_neon
void ff_vector_fmul_add_neon(float *dst, const float *src0, const float *src1, const float *src2, int len)
AVFloatDSPContext::vector_fmul_reverse
void(* vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len)
Calculate the entry wise product of two vectors of floats, and store the result in a vector of floats...
Definition: float_dsp.h:154
AVFloatDSPContext::butterflies_float
void(* butterflies_float)(float *av_restrict v1, float *av_restrict v2, int len)
Calculate the sum and difference of two vectors of floats.
Definition: float_dsp.h:164
win
static float win(SuperEqualizerContext *s, float n, int N)
Definition: af_superequalizer.c:119
ff_scalarproduct_float_neon
float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len)
av_cold
#define av_cold
Definition: attributes.h:90
AVFloatDSPContext::scalarproduct_float
float(* scalarproduct_float)(const float *v1, const float *v2, int len)
Calculate the scalar product of two vectors of floats.
Definition: float_dsp.h:175
ff_vector_fmul_reverse_neon
void ff_vector_fmul_reverse_neon(float *dst, const float *src0, const float *src1, int len)
mul
static float mul(float src0, float src1)
Definition: dnn_backend_native_layer_mathbinary.c:40
ff_vector_fmul_window_neon
void ff_vector_fmul_window_neon(float *dst, const float *src0, const float *src1, const float *win, int len)
AVFloatDSPContext::vector_fmul_scalar
void(* vector_fmul_scalar)(float *dst, const float *src, float mul, int len)
Multiply a vector of floats by a scalar float.
Definition: float_dsp.h:85
src
#define src
Definition: vp8dsp.c:255
float_dsp.h
AVFloatDSPContext::vector_fmul
void(* vector_fmul)(float *dst, const float *src0, const float *src1, int len)
Calculate the entry wise product of two vectors of floats and store the result in a vector of floats.
Definition: float_dsp.h:38
AVFloatDSPContext
Definition: float_dsp.h:24
ff_vector_fmul_neon
void ff_vector_fmul_neon(float *dst, const float *src0, const float *src1, int len)
attributes.h
src0
#define src0
Definition: h264pred.c:139
ff_butterflies_float_neon
void ff_butterflies_float_neon(float *v1, float *v2, int len)
src1
#define src1
Definition: h264pred.c:140
ff_float_dsp_init_neon
av_cold void ff_float_dsp_init_neon(AVFloatDSPContext *fdsp)
Definition: float_dsp_init_neon.c:49
AVFloatDSPContext::vector_fmac_scalar
void(* vector_fmac_scalar)(float *dst, const float *src, float mul, int len)
Multiply a vector of floats by a scalar float and add to destination vector.
Definition: float_dsp.h:54
AVFloatDSPContext::vector_fmul_add
void(* vector_fmul_add)(float *dst, const float *src0, const float *src1, const float *src2, int len)
Calculate the entry wise product of two vectors of floats, add a third vector of floats and store the...
Definition: float_dsp.h:137
len
int len
Definition: vorbis_enc_data.h:426
float_dsp_arm.h
AVFloatDSPContext::vector_fmul_window
void(* vector_fmul_window)(float *dst, const float *src0, const float *src1, const float *win, int len)
Overlap/add with window function.
Definition: float_dsp.h:119
ff_vector_fmac_scalar_neon
void ff_vector_fmac_scalar_neon(float *dst, const float *src, float mul, int len)
ff_vector_fmul_scalar_neon
void ff_vector_fmul_scalar_neon(float *dst, const float *src, float mul, int len)