FFmpeg
4.0
libavutil
aarch64
cpu.c
Go to the documentation of this file.
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "
libavutil/cpu.h
"
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#include "
libavutil/cpu_internal.h
"
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#include "config.h"
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int
ff_get_cpu_flags_aarch64
(
void
)
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{
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return
AV_CPU_FLAG_ARMV8
*
HAVE_ARMV8
|
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AV_CPU_FLAG_NEON
*
HAVE_NEON
|
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AV_CPU_FLAG_VFP
*
HAVE_VFP
;
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}
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size_t
ff_get_cpu_max_align_aarch64
(
void
)
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{
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int
flags
=
av_get_cpu_flags
();
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if
(flags &
AV_CPU_FLAG_NEON
)
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return
16;
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return
8;
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}
HAVE_NEON
#define HAVE_NEON
Definition:
config.h:45
AV_CPU_FLAG_VFP
#define AV_CPU_FLAG_VFP
Definition:
cpu.h:67
ff_get_cpu_max_align_aarch64
size_t ff_get_cpu_max_align_aarch64(void)
Definition:
cpu.c:30
AV_CPU_FLAG_NEON
#define AV_CPU_FLAG_NEON
Definition:
cpu.h:69
flags
static int flags
Definition:
log.c:55
HAVE_VFP
#define HAVE_VFP
Definition:
config.h:46
HAVE_ARMV8
#define HAVE_ARMV8
Definition:
config.h:44
ff_get_cpu_flags_aarch64
int ff_get_cpu_flags_aarch64(void)
Definition:
cpu.c:23
cpu.h
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:93
AV_CPU_FLAG_ARMV8
#define AV_CPU_FLAG_ARMV8
Definition:
cpu.h:70
cpu_internal.h
Generated on Tue May 22 2018 07:06:59 for FFmpeg by
1.8.13