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libavcodec
arm
dcadsp_init_arm.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
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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/dcadsp.h
"
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void
ff_dca_lfe_fir0_neon
(
float
*
out
,
const
float
*
in
,
const
float
*coefs);
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void
ff_dca_lfe_fir1_neon
(
float
*
out
,
const
float
*
in
,
const
float
*coefs);
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void
ff_dca_lfe_fir32_vfp
(
float
*
out
,
const
float
*
in
,
const
float
*coefs);
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void
ff_dca_lfe_fir64_vfp
(
float
*
out
,
const
float
*
in
,
const
float
*coefs);
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void
ff_dca_qmf_32_subbands_vfp
(
float
samples_in[32][8],
int
sb_act,
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SynthFilterContext
*synth,
FFTContext
*imdct,
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float
synth_buf_ptr[512],
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int
*synth_buf_offset,
float
synth_buf2[32],
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const
float
window[512],
float
*samples_out,
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float
raXin[32],
float
scale);
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void
ff_synth_filter_float_vfp
(
FFTContext
*imdct,
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float
*synth_buf_ptr,
int
*synth_buf_offset,
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float
synth_buf2[32],
const
float
window[512],
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float
out
[32],
const
float
in
[32],
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float
scale);
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void
ff_synth_filter_float_neon
(
FFTContext
*imdct,
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float
*synth_buf_ptr,
int
*synth_buf_offset,
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float
synth_buf2[32],
const
float
window[512],
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float
out
[32],
const
float
in
[32],
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float
scale);
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void
ff_decode_hf_neon
(
float
dst[
DCA_SUBBANDS
][8],
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const
int32_t
vq_num[DCA_SUBBANDS],
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const
int8_t hf_vq[1024][32], intptr_t vq_offset,
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int32_t
scale[DCA_SUBBANDS][2],
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intptr_t
start
, intptr_t
end
);
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av_cold
void
ff_dcadsp_init_arm
(
DCADSPContext
*
s
)
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{
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int
cpu_flags =
av_get_cpu_flags
();
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if
(
have_vfp
(cpu_flags) && !
have_vfpv3
(cpu_flags)) {
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s->
lfe_fir
[0] =
ff_dca_lfe_fir32_vfp
;
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s->
lfe_fir
[1] =
ff_dca_lfe_fir64_vfp
;
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s->
qmf_32_subbands
=
ff_dca_qmf_32_subbands_vfp
;
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}
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if
(
have_neon
(cpu_flags)) {
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s->
lfe_fir
[0] =
ff_dca_lfe_fir0_neon
;
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s->
lfe_fir
[1] =
ff_dca_lfe_fir1_neon
;
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s->
decode_hf
=
ff_decode_hf_neon
;
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}
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}
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av_cold
void
ff_synth_filter_init_arm
(
SynthFilterContext
*
s
)
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{
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int
cpu_flags =
av_get_cpu_flags
();
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if
(
have_vfp
(cpu_flags) && !
have_vfpv3
(cpu_flags))
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s->
synth_filter_float
=
ff_synth_filter_float_vfp
;
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if
(
have_neon
(cpu_flags))
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s->
synth_filter_float
=
ff_synth_filter_float_neon
;
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}
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