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Linshizhi
ffmpeg.wasm-core
Commits
f4d5a2cc
Commit
f4d5a2cc
authored
Apr 16, 2014
by
Janne Grunau
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aarch64: NEON float to s16 audio conversion
parent
ee2bc597
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5 changed files
with
419 additions
and
0 deletions
+419
-0
Makefile
libavresample/aarch64/Makefile
+4
-0
audio_convert_init.c
libavresample/aarch64/audio_convert_init.c
+49
-0
audio_convert_neon.S
libavresample/aarch64/audio_convert_neon.S
+363
-0
audio_convert.c
libavresample/audio_convert.c
+2
-0
audio_convert.h
libavresample/audio_convert.h
+1
-0
No files found.
libavresample/aarch64/Makefile
View file @
f4d5a2cc
OBJS
+=
aarch64/audio_convert_init.o
OBJS-$(CONFIG_NEON_CLOBBER_TEST)
+=
aarch64/neontest.o
OBJS-$(CONFIG_NEON_CLOBBER_TEST)
+=
aarch64/neontest.o
NEON-OBJS
+=
aarch64/audio_convert_neon.o
libavresample/aarch64/audio_convert_init.c
0 → 100644
View file @
f4d5a2cc
/*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/aarch64/cpu.h"
#include "libavutil/samplefmt.h"
#include "libavresample/audio_convert.h"
void
ff_conv_flt_to_s16_neon
(
int16_t
*
dst
,
const
float
*
src
,
int
len
);
void
ff_conv_fltp_to_s16_neon
(
int16_t
*
dst
,
float
*
const
*
src
,
int
len
,
int
channels
);
void
ff_conv_fltp_to_s16_2ch_neon
(
int16_t
*
dst
,
float
*
const
*
src
,
int
len
,
int
channels
);
av_cold
void
ff_audio_convert_init_aarch64
(
AudioConvert
*
ac
)
{
int
cpu_flags
=
av_get_cpu_flags
();
if
(
have_neon
(
cpu_flags
))
{
ff_audio_convert_set_func
(
ac
,
AV_SAMPLE_FMT_S16
,
AV_SAMPLE_FMT_FLT
,
0
,
16
,
8
,
"NEON"
,
ff_conv_flt_to_s16_neon
);
ff_audio_convert_set_func
(
ac
,
AV_SAMPLE_FMT_S16
,
AV_SAMPLE_FMT_FLTP
,
2
,
16
,
8
,
"NEON"
,
ff_conv_fltp_to_s16_2ch_neon
);
ff_audio_convert_set_func
(
ac
,
AV_SAMPLE_FMT_S16
,
AV_SAMPLE_FMT_FLTP
,
0
,
16
,
8
,
"NEON"
,
ff_conv_fltp_to_s16_neon
);
}
}
libavresample/aarch64/audio_convert_neon.S
0 → 100644
View file @
f4d5a2cc
This diff is collapsed.
Click to expand it.
libavresample/audio_convert.c
View file @
f4d5a2cc
...
@@ -301,6 +301,8 @@ AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr,
...
@@ -301,6 +301,8 @@ AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr,
set_generic_function
(
ac
);
set_generic_function
(
ac
);
if
(
ARCH_AARCH64
)
ff_audio_convert_init_aarch64
(
ac
);
if
(
ARCH_ARM
)
if
(
ARCH_ARM
)
ff_audio_convert_init_arm
(
ac
);
ff_audio_convert_init_arm
(
ac
);
if
(
ARCH_X86
)
if
(
ARCH_X86
)
...
...
libavresample/audio_convert.h
View file @
f4d5a2cc
...
@@ -96,6 +96,7 @@ int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in);
...
@@ -96,6 +96,7 @@ int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in);
/* arch-specific initialization functions */
/* arch-specific initialization functions */
void
ff_audio_convert_init_aarch64
(
AudioConvert
*
ac
);
void
ff_audio_convert_init_arm
(
AudioConvert
*
ac
);
void
ff_audio_convert_init_arm
(
AudioConvert
*
ac
);
void
ff_audio_convert_init_x86
(
AudioConvert
*
ac
);
void
ff_audio_convert_init_x86
(
AudioConvert
*
ac
);
...
...
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