FFmpeg
cpu.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "libavutil/cpu.h"
20 #include "libavutil/cpu_internal.h"
21 #include "config.h"
22 
24 {
25  return AV_CPU_FLAG_ARMV8 * HAVE_ARMV8 |
26  AV_CPU_FLAG_NEON * HAVE_NEON |
27  AV_CPU_FLAG_VFP * HAVE_VFP;
28 }
29 
31 {
32  int flags = av_get_cpu_flags();
33 
34  if (flags & AV_CPU_FLAG_NEON)
35  return 16;
36 
37  return 8;
38 }
#define AV_CPU_FLAG_VFP
Definition: cpu.h:67
size_t ff_get_cpu_max_align_aarch64(void)
Definition: cpu.c:30
#define AV_CPU_FLAG_NEON
Definition: cpu.h:69
int ff_get_cpu_flags_aarch64(void)
Definition: cpu.c:23
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
#define flags(name, subs,...)
Definition: cbs_av1.c:561
#define AV_CPU_FLAG_ARMV8
Definition: cpu.h:70