| 1 | /* |
| 2 | * ARM NEON optimised Float DSP functions |
| 3 | * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
| 4 | * |
| 5 | * This file is part of FFmpeg. |
| 6 | * |
| 7 | * FFmpeg is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * FFmpeg is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with FFmpeg; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #include <stdint.h> |
| 23 | |
| 24 | #include "libavutil/attributes.h" |
| 25 | #include "libavutil/cpu.h" |
| 26 | #include "libavutil/float_dsp.h" |
| 27 | #include "cpu.h" |
| 28 | |
| 29 | void ff_vector_fmul_neon(float *dst, const float *src0, const float *src1, |
| 30 | int len); |
| 31 | |
| 32 | void ff_vector_fmac_scalar_neon(float *dst, const float *src, float mul, |
| 33 | int len); |
| 34 | |
| 35 | void ff_vector_fmul_scalar_neon(float *dst, const float *src, float mul, |
| 36 | int len); |
| 37 | |
| 38 | void ff_vector_dmul_scalar_neon(double *dst, const double *src, double mul, |
| 39 | int len); |
| 40 | |
| 41 | void ff_vector_fmul_window_neon(float *dst, const float *src0, |
| 42 | const float *src1, const float *win, int len); |
| 43 | |
| 44 | void ff_vector_fmul_add_neon(float *dst, const float *src0, const float *src1, |
| 45 | const float *src2, int len); |
| 46 | |
| 47 | void ff_vector_fmul_reverse_neon(float *dst, const float *src0, |
| 48 | const float *src1, int len); |
| 49 | |
| 50 | void ff_butterflies_float_neon(float *v1, float *v2, int len); |
| 51 | |
| 52 | float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len); |
| 53 | |
| 54 | av_cold void ff_float_dsp_init_aarch64(AVFloatDSPContext *fdsp) |
| 55 | { |
| 56 | int cpu_flags = av_get_cpu_flags(); |
| 57 | |
| 58 | if (have_neon(cpu_flags)) { |
| 59 | fdsp->butterflies_float = ff_butterflies_float_neon; |
| 60 | fdsp->scalarproduct_float = ff_scalarproduct_float_neon; |
| 61 | fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_neon; |
| 62 | fdsp->vector_fmul = ff_vector_fmul_neon; |
| 63 | fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_neon; |
| 64 | fdsp->vector_fmul_add = ff_vector_fmul_add_neon; |
| 65 | fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_neon; |
| 66 | fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_neon; |
| 67 | fdsp->vector_fmul_window = ff_vector_fmul_window_neon; |
| 68 | } |
| 69 | } |