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Merge commit 'f4d5a2cc35fcdf06ec031fabe8b0710e995fe924'
* commit 'f4d5a2cc35fcdf06ec031fabe8b0710e995fe924': aarch64: NEON float to s16 audio conversion Merged-by: Michael Niedermayer <[email protected]>
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OBJS += aarch64/audio_convert_init.o | ||
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OBJS-$(CONFIG_NEON_CLOBBER_TEST) += aarch64/neontest.o | ||
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NEON-OBJS += aarch64/audio_convert_neon.o |
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/* | ||
* 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 | ||
*/ | ||
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#include <stdint.h> | ||
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#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" | ||
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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); | ||
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av_cold void ff_audio_convert_init_aarch64(AudioConvert *ac) | ||
{ | ||
int cpu_flags = av_get_cpu_flags(); | ||
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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); | ||
} | ||
} |
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