float_dsp_init_neon.c

   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/float_dsp.h"
  26 #include "float_dsp_arm.h"
  27
  28 void ff_vector_fmul_neon(float *dst, const float *src0, const float *src1, int len);
  29
  30 void ff_vector_fmac_scalar_neon(float *dst, const float *src, float mul,
  31                                 int len);
  32
  33 void ff_vector_fmul_scalar_neon(float *dst, const float *src, float mul,
  34                                 int len);
  35
  36 void ff_vector_fmul_window_neon(float *dst, const float *src0,
  37                                 const float *src1, const float *win, int len);
  38
  39 void ff_vector_fmul_add_neon(float *dst, const float *src0, const float *src1,
  40                              const float *src2, int len);
  41
  42 void ff_vector_fmul_reverse_neon(float *dst, const float *src0,
  43                                  const float *src1, int len);
  44
  45 void ff_butterflies_float_neon(float *v1, float *v2, int len);
  46
  47 float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len);
  48
  49 av_cold void ff_float_dsp_init_neon(AVFloatDSPContext *fdsp)
  50 {
  51     fdsp->vector_fmul = ff_vector_fmul_neon;
  52     fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_neon;
  53     fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_neon;
  54     fdsp->vector_fmul_window = ff_vector_fmul_window_neon;
  55     fdsp->vector_fmul_add    = ff_vector_fmul_add_neon;
  56     fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_neon;
  57     fdsp->butterflies_float = ff_butterflies_float_neon;
  58     fdsp->scalarproduct_float = ff_scalarproduct_float_neon;
  59 }