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libavfilter
x86
af_anlmdn_init.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 "config.h"
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#include "
libavutil/attributes.h
"
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#include "
libavutil/cpu.h
"
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#include "
libavutil/x86/cpu.h
"
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#include "
libavfilter/af_anlmdndsp.h
"
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float
ff_compute_distance_ssd_sse
(
const
float
*f1,
const
float
*f2,
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ptrdiff_t
len
);
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av_cold
void
ff_anlmdn_init_x86
(
AudioNLMDNDSPContext
*
s
)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(
EXTERNAL_SSE
(cpu_flags)) {
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s->
compute_distance_ssd
=
ff_compute_distance_ssd_sse
;
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}
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}
cpu_flags
static atomic_int cpu_flags
Definition:
cpu.c:50
cpu.h
EXTERNAL_SSE
#define EXTERNAL_SSE(flags)
Definition:
cpu.h:58
attributes.h
Macro definitions for various function/variable attributes.
av_cold
#define av_cold
Definition:
attributes.h:88
AudioNLMDNDSPContext::compute_distance_ssd
float(* compute_distance_ssd)(const float *f1, const float *f2, ptrdiff_t K)
Definition:
af_anlmdndsp.h:32
s
#define s(width, name)
Definition:
cbs_vp9.c:257
ff_compute_distance_ssd_sse
float ff_compute_distance_ssd_sse(const float *f1, const float *f2, ptrdiff_t len)
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:95
ff_anlmdn_init_x86
av_cold void ff_anlmdn_init_x86(AudioNLMDNDSPContext *s)
Definition:
af_anlmdn_init.c:28
AudioNLMDNDSPContext
Definition:
af_anlmdndsp.h:31
af_anlmdndsp.h
len
int len
Definition:
vorbis_enc_data.h:452
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