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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/cpu.h" | |
23 | #include "libavutil/aarch64/cpu.h" | |
24 | #include "libavutil/internal.h" | |
25 | #include "libavutil/samplefmt.h" | |
26 | #include "libavresample/resample.h" | |
27 | ||
28 | #include "asm-offsets.h" | |
29 | ||
30 | AV_CHECK_OFFSET(struct ResampleContext, filter_bank, FILTER_BANK); | |
31 | AV_CHECK_OFFSET(struct ResampleContext, filter_length, FILTER_LENGTH); | |
32 | AV_CHECK_OFFSET(struct ResampleContext, phase_shift, PHASE_SHIFT); | |
33 | AV_CHECK_OFFSET(struct ResampleContext, phase_mask, PHASE_MASK); | |
34 | ||
35 | void ff_resample_one_dbl_neon(struct ResampleContext *c, void *dst0, | |
36 | int dst_index, const void *src0, | |
37 | unsigned int index, int frac); | |
38 | void ff_resample_one_flt_neon(struct ResampleContext *c, void *dst0, | |
39 | int dst_index, const void *src0, | |
40 | unsigned int index, int frac); | |
41 | void ff_resample_one_s16_neon(struct ResampleContext *c, void *dst0, | |
42 | int dst_index, const void *src0, | |
43 | unsigned int index, int frac); | |
44 | void ff_resample_one_s32_neon(struct ResampleContext *c, void *dst0, | |
45 | int dst_index, const void *src0, | |
46 | unsigned int index, int frac); | |
47 | ||
48 | void ff_audio_resample_init_aarch64(ResampleContext *c, | |
49 | enum AVSampleFormat sample_fmt) | |
50 | { | |
51 | int cpu_flags = av_get_cpu_flags(); | |
52 | ||
53 | if (have_neon(cpu_flags)) { | |
54 | if (!c->linear) { | |
55 | switch (sample_fmt) { | |
56 | case AV_SAMPLE_FMT_DBLP: | |
57 | c->resample_one = ff_resample_one_dbl_neon; | |
58 | break; | |
59 | case AV_SAMPLE_FMT_FLTP: | |
60 | c->resample_one = ff_resample_one_flt_neon; | |
61 | break; | |
62 | case AV_SAMPLE_FMT_S16P: | |
63 | c->resample_one = ff_resample_one_s16_neon; | |
64 | break; | |
65 | case AV_SAMPLE_FMT_S32P: | |
66 | c->resample_one = ff_resample_one_s32_neon; | |
67 | break; | |
68 | } | |
69 | } | |
70 | } | |
71 | } |