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