| 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 | } |