FFmpeg
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libavcodec
x86
flacencdsp_init.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2014 James Almer
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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/x86/cpu.h
"
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#include "
libavcodec/flacencdsp.h
"
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void
ff_flac_enc_lpc_16_sse4
(
int32_t
*,
const
int32_t
*,
int
,
int
,
const
int32_t
*,
int
);
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av_cold
void
ff_flacencdsp_init_x86
(
FLACEncDSPContext
*
c
)
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{
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#if CONFIG_GPL
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(
EXTERNAL_SSE4
(
cpu_flags
)) {
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if
(CONFIG_GPL)
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c
->lpc16_encode =
ff_flac_enc_lpc_16_sse4
;
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}
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#endif
/* CONFIG_GPL */
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}
int32_t
int32_t
Definition
audioconvert.c:56
flacencdsp.h
ff_flac_enc_lpc_16_sse4
void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *, int)
ff_flacencdsp_init_x86
av_cold void ff_flacencdsp_init_x86(FLACEncDSPContext *c)
Definition
flacencdsp_init.c:28
attributes.h
Macro definitions for various function/variable attributes.
av_cold
#define av_cold
Definition
attributes.h:117
cpu_flags
static atomic_int cpu_flags
Definition
cpu.c:56
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition
cpu.c:109
cpu.h
EXTERNAL_SSE4
#define EXTERNAL_SSE4(flags)
Definition
cpu.h:62
FLACEncDSPContext
Definition
flacencdsp.h:24
c
static double c[64]
Definition
vsrc_mptestsrc.c:89
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