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2ba45a60 DM |
1 | /* |
2 | * This file is part of FFmpeg. | |
3 | * | |
4 | * FFmpeg is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * FFmpeg is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public | |
15 | * License along with FFmpeg; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #include <stdint.h> | |
20 | ||
21 | #include "config.h" | |
22 | #include "libavutil/attributes.h" | |
23 | #include "libavutil/cpu.h" | |
24 | #include "libavutil/aarch64/cpu.h" | |
25 | #include "libavutil/samplefmt.h" | |
26 | #include "libavresample/audio_convert.h" | |
27 | ||
28 | void ff_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len); | |
29 | void ff_conv_fltp_to_s16_neon(int16_t *dst, float *const *src, | |
30 | int len, int channels); | |
31 | void ff_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src, | |
32 | int len, int channels); | |
33 | ||
34 | av_cold void ff_audio_convert_init_aarch64(AudioConvert *ac) | |
35 | { | |
36 | int cpu_flags = av_get_cpu_flags(); | |
37 | ||
38 | if (have_neon(cpu_flags)) { | |
39 | ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT, | |
40 | 0, 16, 8, "NEON", | |
41 | ff_conv_flt_to_s16_neon); | |
42 | ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP, | |
43 | 2, 16, 8, "NEON", | |
44 | ff_conv_fltp_to_s16_2ch_neon); | |
45 | ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP, | |
46 | 0, 16, 8, "NEON", | |
47 | ff_conv_fltp_to_s16_neon); | |
48 | } | |
49 | } |