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libavcodec
x86
flacdsp_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 "
libavcodec/flacdsp.h
"
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#include "
libavutil/x86/cpu.h
"
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#include "config.h"
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void
ff_flac_lpc_32_sse4
(
int32_t
*samples,
const
int
coeffs
[32],
int
order,
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int
qlevel,
int
len
);
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void
ff_flac_lpc_32_xop
(
int32_t
*samples,
const
int
coeffs
[32],
int
order,
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int
qlevel,
int
len
);
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av_cold
void
ff_flacdsp_init_x86
(
FLACDSPContext
*
c
,
enum
AVSampleFormat
fmt
,
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int
bps
)
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{
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#if HAVE_YASM
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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
(bps > 16 && CONFIG_FLAC_DECODER)
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c->
lpc
=
ff_flac_lpc_32_sse4
;
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}
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if
(
EXTERNAL_XOP
(cpu_flags)) {
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if
(bps > 16 && CONFIG_FLAC_DECODER)
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c->
lpc
=
ff_flac_lpc_32_xop
;
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}
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#endif
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}
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