yading@11: /*
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or
yading@11:  * modify it under the terms of the GNU Lesser General Public
yading@11:  * License as published by the Free Software Foundation; either
yading@11:  * version 2.1 of the License, or (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11:  * Lesser General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU Lesser General Public
yading@11:  * License along with FFmpeg; if not, write to the Free Software
yading@11:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11:  */
yading@11: 
yading@11: #include <stdint.h>
yading@11: 
yading@11: #include "config.h"
yading@11: #include "libavutil/attributes.h"
yading@11: #include "libavutil/cpu.h"
yading@11: #include "libavutil/arm/cpu.h"
yading@11: #include "libavutil/samplefmt.h"
yading@11: #include "libavresample/audio_convert.h"
yading@11: 
yading@11: void ff_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len);
yading@11: void ff_conv_fltp_to_s16_neon(int16_t *dst, float *const *src,
yading@11:                               int len, int channels);
yading@11: void ff_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src,
yading@11:                                   int len, int channels);
yading@11: 
yading@11: av_cold void ff_audio_convert_init_arm(AudioConvert *ac)
yading@11: {
yading@11:     int cpu_flags = av_get_cpu_flags();
yading@11: 
yading@11:     if (have_neon(cpu_flags)) {
yading@11:         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT,
yading@11:                                   0, 16, 8, "NEON",
yading@11:                                   ff_conv_flt_to_s16_neon);
yading@11:         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
yading@11:                                   0, 16, 8, "NEON",
yading@11:                                   ff_conv_fltp_to_s16_neon);
yading@11:         ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
yading@11:                                   2, 16, 8, "NEON",
yading@11:                                   ff_conv_fltp_to_s16_2ch_neon);
yading@11:     }
yading@11: }