FFmpeg
libavcodec
arm
mpegaudiodsp_init_arm.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2011 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 <stdint.h>
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#include "
libavutil/attributes.h
"
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#include "
libavutil/arm/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_armv6
(
int32_t
*synth_buf,
int32_t
*
window
,
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int
*
dither
, int16_t *
out
, ptrdiff_t incr);
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av_cold
void
ff_mpadsp_init_arm
(
MPADSPContext
*
s
)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(
have_armv6
(
cpu_flags
)) {
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s
->apply_window_fixed =
ff_mpadsp_apply_window_fixed_armv6
;
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}
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}
out
FILE * out
Definition:
movenc.c:55
MPADSPContext
Definition:
mpegaudiodsp.h:28
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:109
cpu_flags
static atomic_int cpu_flags
Definition:
cpu.c:56
window
static SDL_Window * window
Definition:
ffplay.c:361
av_cold
#define av_cold
Definition:
attributes.h:90
s
#define s(width, name)
Definition:
cbs_vp9.c:198
ff_mpadsp_init_arm
av_cold void ff_mpadsp_init_arm(MPADSPContext *s)
Definition:
mpegaudiodsp_init_arm.c:31
cpu.h
attributes.h
ff_mpadsp_apply_window_fixed_armv6
void ff_mpadsp_apply_window_fixed_armv6(int32_t *synth_buf, int32_t *window, int *dither, int16_t *out, ptrdiff_t incr)
mpegaudiodsp.h
have_armv6
#define have_armv6(flags)
Definition:
cpu.h:26
int32_t
int32_t
Definition:
audioconvert.c:56
dither
static const uint8_t dither[8][8]
Definition:
vf_fspp.c:62
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