/* * 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); } }