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libavcodec
aarch64
mpegaudiodsp_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 <stdint.h>
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#include "
libavutil/attributes.h
"
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#include "
libavutil/aarch64/cpu.h
"
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#include "
libavcodec/mpegaudiodsp.h
"
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#include "
config.h
"
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void
ff_mpadsp_apply_window_fixed_neon
(
int32_t
*synth_buf,
int32_t
*window,
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int
*
dither
, int16_t *samples,
int
incr);
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void
ff_mpadsp_apply_window_float_neon
(
float
*synth_buf,
float
*window,
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int
*
dither
,
float
*samples,
int
incr);
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av_cold
void
ff_mpadsp_init_aarch64
(
MPADSPContext
*
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->
apply_window_fixed
=
ff_mpadsp_apply_window_fixed_neon
;
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s->
apply_window_float
=
ff_mpadsp_apply_window_float_neon
;
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}
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}
s
const char * s
Definition:
avisynth_c.h:669
cpu.h
attributes.h
Macro definitions for various function/variable attributes.
config.h
av_cold
#define av_cold
Definition:
attributes.h:74
mpegaudiodsp.h
dither
static const uint8_t dither[8][8]
Definition:
vf_fspp.c:57
ff_mpadsp_apply_window_fixed_neon
void ff_mpadsp_apply_window_fixed_neon(int32_t *synth_buf, int32_t *window, int *dither, int16_t *samples, int incr)
have_neon
#define have_neon(flags)
Definition:
cpu.h:27
ff_mpadsp_apply_window_float_neon
void ff_mpadsp_apply_window_float_neon(float *synth_buf, float *window, int *dither, float *samples, int incr)
int32_t
int32_t
Definition:
audio_convert.c:194
MPADSPContext
Definition:
mpegaudiodsp.h:25
MPADSPContext::apply_window_float
void(* apply_window_float)(float *synth_buf, float *window, int *dither_state, float *samples, int incr)
Definition:
mpegaudiodsp.h:26
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:75
MPADSPContext::apply_window_fixed
void(* apply_window_fixed)(int32_t *synth_buf, int32_t *window, int *dither_state, int16_t *samples, int incr)
Definition:
mpegaudiodsp.h:28
ff_mpadsp_init_aarch64
av_cold void ff_mpadsp_init_aarch64(MPADSPContext *s)
Definition:
mpegaudiodsp_init.c:31
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