repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * This file is part of libswresample. | |
| 3 | * | |
| 4 | * libswresample 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 | * libswresample 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 libswresample; 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 "libswresample/swresample_internal.h" | |
| 27 | #include "libswresample/audioconvert.h" | |
| 28 | ||
| 29 | void swri_oldapi_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len); | |
| 30 | void swri_oldapi_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src, int len, int channels); | |
| 31 | void swri_oldapi_conv_fltp_to_s16_nch_neon(int16_t *dst, float *const *src, int len, int channels); | |
| 32 | ||
| 33 | static void conv_flt_to_s16_neon(uint8_t **dst, const uint8_t **src, int len){ | |
| 34 | swri_oldapi_conv_flt_to_s16_neon((int16_t*)*dst, (const float*)*src, len); | |
| 35 | } | |
| 36 | ||
| 37 | static void conv_fltp_to_s16_2ch_neon(uint8_t **dst, const uint8_t **src, int len){ | |
| 38 | swri_oldapi_conv_fltp_to_s16_2ch_neon((int16_t*)*dst, (float *const*)src, len, 2); | |
| 39 | } | |
| 40 | ||
| 41 | static void conv_fltp_to_s16_nch_neon(uint8_t **dst, const uint8_t **src, int len){ | |
| 42 | int channels; | |
| 43 | for(channels=3; channels<SWR_CH_MAX && src[channels]; channels++) | |
| 44 | ; | |
| 45 | swri_oldapi_conv_fltp_to_s16_nch_neon((int16_t*)*dst, (float *const*)src, len, channels); | |
| 46 | } | |
| 47 | ||
| 48 | av_cold void swri_audio_convert_init_aarch64(struct AudioConvert *ac, | |
| 49 | enum AVSampleFormat out_fmt, | |
| 50 | enum AVSampleFormat in_fmt, | |
| 51 | int channels) | |
| 52 | { | |
| 53 | int cpu_flags = av_get_cpu_flags(); | |
| 54 | ||
| 55 | ac->simd_f= NULL; | |
| 56 | ||
| 57 | if (have_neon(cpu_flags)) { | |
| 58 | if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLTP) | |
| 59 | ac->simd_f = conv_flt_to_s16_neon; | |
| 60 | if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels == 2) | |
| 61 | ac->simd_f = conv_fltp_to_s16_2ch_neon; | |
| 62 | if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels > 2) | |
| 63 | ac->simd_f = conv_fltp_to_s16_nch_neon; | |
| 64 | if(ac->simd_f) | |
| 65 | ac->in_simd_align_mask = ac->out_simd_align_mask = 15; | |
| 66 | } | |
| 67 | } |