0,0 → 1,49 |
/* |
* This file is part of FFmpeg. |
* |
* FFmpeg 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. |
* |
* FFmpeg 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 FFmpeg; 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/arm/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_arm(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, |
0, 16, 8, "NEON", |
ff_conv_fltp_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); |
} |
} |