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libavcodec
aarch64
imdct15_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 <stddef.h>
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#include "
libavutil/cpu.h
"
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#include "
libavutil/aarch64/cpu.h
"
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#include "
libavutil/internal.h
"
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#include "
libavcodec/imdct15.h
"
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#include "
asm-offsets.h
"
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AV_CHECK_OFFSET
(
IMDCT15Context
,
exptab
,
CELT_EXPTAB
);
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AV_CHECK_OFFSET
(
IMDCT15Context
, fft_n,
CELT_FFT_N
);
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AV_CHECK_OFFSET
(
IMDCT15Context
, len2,
CELT_LEN2
);
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AV_CHECK_OFFSET
(
IMDCT15Context
, len4,
CELT_LEN4
);
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AV_CHECK_OFFSET
(
IMDCT15Context
, tmp,
CELT_TMP
);
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AV_CHECK_OFFSET
(
IMDCT15Context
, twiddle_exptab,
CELT_TWIDDLE
);
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void
ff_celt_imdct_half_neon
(
IMDCT15Context
*
s
,
float
*dst,
const
float
*
src
,
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ptrdiff_t
stride
,
float
scale);
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void
ff_imdct15_init_aarch64
(
IMDCT15Context
*
s
)
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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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s->
imdct_half
=
ff_celt_imdct_half_neon
;
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}
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}
Generated on Thu Sep 30 2021 22:46:54 for FFmpeg by
1.8.1.2