FFmpeg
synth_filter_init_arm.c
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1 /*
2  * Copyright (c) 2010 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 "config.h"
22 
23 #include "libavutil/arm/cpu.h"
24 #include "libavutil/attributes.h"
25 #include "libavutil/internal.h"
27 
29  float *synth_buf_ptr, int *synth_buf_offset,
30  float synth_buf2[32], const float window[512],
31  float out[32], float in[32],
32  float scale, av_tx_fn imdct_fn);
33 
35  float *synth_buf_ptr, int *synth_buf_offset,
36  float synth_buf2[32], const float window[512],
37  float out[32], float in[32],
38  float scale, av_tx_fn imdct_fn);
39 
41 {
43 
45  s->synth_filter_float = ff_synth_filter_float_vfp;
46  if (have_neon(cpu_flags))
47  s->synth_filter_float = ff_synth_filter_float_neon;
48 }
out
FILE * out
Definition: movenc.c:54
AVTXContext
Definition: tx_priv.h:235
synth_filter.h
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:103
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:52
window
static SDL_Window * window
Definition: ffplay.c:364
SynthFilterContext
Definition: synth_filter.h:27
ff_synth_filter_float_vfp
void ff_synth_filter_float_vfp(AVTXContext *imdct, float *synth_buf_ptr, int *synth_buf_offset, float synth_buf2[32], const float window[512], float out[32], float in[32], float scale, av_tx_fn imdct_fn)
av_cold
#define av_cold
Definition: attributes.h:90
av_tx_fn
void(* av_tx_fn)(AVTXContext *s, void *out, void *in, ptrdiff_t stride)
Function pointer to a function to perform the transform.
Definition: tx.h:151
s
#define s(width, name)
Definition: cbs_vp9.c:198
cpu.h
scale
static void scale(int *out, const int *in, const int w, const int h, const int shift)
Definition: vvc_intra.c:292
ff_synth_filter_init_arm
av_cold void ff_synth_filter_init_arm(SynthFilterContext *s)
Definition: synth_filter_init_arm.c:40
have_neon
#define have_neon(flags)
Definition: cpu.h:26
attributes.h
ff_synth_filter_float_neon
void ff_synth_filter_float_neon(AVTXContext *imdct, float *synth_buf_ptr, int *synth_buf_offset, float synth_buf2[32], const float window[512], float out[32], float in[32], float scale, av_tx_fn imdct_fn)
internal.h
have_vfp_vm
#define have_vfp_vm(flags)
Definition: cpu.h:35