float_dsp_init.c (2722B)
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 }