FFmpeg
4.0
libavcodec
arm
audiodsp_init_arm.c
Go to the documentation of this file.
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/*
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* ARM optimized audio functions
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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/attributes.h
"
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#include "
libavutil/cpu.h
"
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#include "
libavutil/arm/cpu.h
"
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#include "
libavcodec/audiodsp.h
"
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#include "
audiodsp_arm.h
"
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av_cold
void
ff_audiodsp_init_arm
(
AudioDSPContext
*
c
)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(
have_neon
(cpu_flags))
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ff_audiodsp_init_neon
(c);
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}
audiodsp_arm.h
cpu_flags
static atomic_int cpu_flags
Definition:
cpu.c:50
attributes.h
Macro definitions for various function/variable attributes.
ff_audiodsp_init_arm
av_cold void ff_audiodsp_init_arm(AudioDSPContext *c)
Definition:
audiodsp_init_arm.c:27
av_cold
#define av_cold
Definition:
attributes.h:82
have_neon
#define have_neon(flags)
Definition:
cpu.h:26
cpu.h
audiodsp.h
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
c
static double c[64]
Definition:
vsrc_mptestsrc.c:87
ff_audiodsp_init_neon
void ff_audiodsp_init_neon(AudioDSPContext *c)
Definition:
audiodsp_init_neon.c:34
AudioDSPContext
Definition:
audiodsp.h:24
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