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libavcodec
arm
aacpsdsp_init_arm.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2012 Mans Rullgard
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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/arm/cpu.h
"
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#include "
libavutil/attributes.h
"
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#include "
libavcodec/aacpsdsp.h
"
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void
ff_ps_add_squares_neon
(
float
*dst,
const
float
(*
src
)[2],
int
n
);
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void
ff_ps_mul_pair_single_neon
(
float
(*dst)[2],
float
(*src0)[2],
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float
*src1,
int
n
);
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void
ff_ps_hybrid_analysis_neon
(
float
(*
out
)[2],
float
(*
in
)[2],
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const
float
(*
filter
)[8][2],
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int
stride
,
int
n
);
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void
ff_ps_hybrid_analysis_ileave_neon
(
float
(*
out
)[32][2],
float
L
[2][38][64],
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int
i,
int
len
);
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void
ff_ps_hybrid_synthesis_deint_neon
(
float
out
[2][38][64],
float
(*
in
)[32][2],
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int
i,
int
len
);
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void
ff_ps_decorrelate_neon
(
float
(*out)[2],
float
(*delay)[2],
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float
(*ap_delay)[
PS_QMF_TIME_SLOTS
+
PS_MAX_AP_DELAY
][2],
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const
float
phi_fract
[2],
float
(*Q_fract)[2],
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const
float
*transient_gain,
float
g_decay_slope,
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int
len
);
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void
ff_ps_stereo_interpolate_neon
(
float
(*l)[2],
float
(*
r
)[2],
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float
h[2][4],
float
h_step[2][4],
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int
len
);
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av_cold
void
ff_psdsp_init_arm
(
PSDSPContext
*
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->
add_squares
=
ff_ps_add_squares_neon
;
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s->
mul_pair_single
=
ff_ps_mul_pair_single_neon
;
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s->
hybrid_synthesis_deint
=
ff_ps_hybrid_synthesis_deint_neon
;
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s->
hybrid_analysis
=
ff_ps_hybrid_analysis_neon
;
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s->
stereo_interpolate
[0] =
ff_ps_stereo_interpolate_neon
;
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}
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}
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