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lossless_audiodsp_init_arm.c
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1 /*
2  * Copyright (c) 2011 Mans Rullgard <mans@mansr.com>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <stdint.h>
22 
23 #include "libavutil/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/arm/cpu.h"
27 
28 int32_t ff_scalarproduct_and_madd_int16_neon(int16_t *v1, const int16_t *v2,
29  const int16_t *v3, int len, int mul);
30 
32 {
33  int cpu_flags = av_get_cpu_flags();
34 
35  if (have_neon(cpu_flags)) {
37  }
38 }
av_cold void ff_llauddsp_init_arm(LLAudDSPContext *c)
Macro definitions for various function/variable attributes.
#define av_cold
Definition: attributes.h:74
int32_t ff_scalarproduct_and_madd_int16_neon(int16_t *v1, const int16_t *v2, const int16_t *v3, int len, int mul)
#define have_neon(flags)
Definition: cpu.h:27
int32_t
int32_t(* scalarproduct_and_madd_int16)(int16_t *v1, const int16_t *v2, const int16_t *v3, int len, int mul)
Calculate scalar product of v1 and v2, and v1[i] += v3[i] * mul.
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:76
static double c[64]
int len