ffmpeg/libavresample/aarch64/audio_convert_init.c
Michael Niedermayer 96a4d0c1c3 Merge commit 'f4d5a2cc35fcdf06ec031fabe8b0710e995fe924'
* commit 'f4d5a2cc35fcdf06ec031fabe8b0710e995fe924':
  aarch64: NEON float to s16 audio conversion

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-04-22 23:33:07 +02:00

50 lines
2.0 KiB
C

/*
* 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/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);
}
}