float_dsp_init_vfp.c

   1 /*
   2  * Copyright (c) 2008 Siarhei Siamashka <ssvb@users.sourceforge.net>
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include "libavutil/attributes.h"
  22 #include "libavutil/float_dsp.h"
  23 #include "cpu.h"
  24 #include "float_dsp_arm.h"
  25
  26 void ff_vector_fmul_vfp(float *dst, const float *src0, const float *src1,
  27                         int len);
  28
  29 void ff_vector_fmul_window_vfp(float *dst, const float *src0,
  30                                const float *src1, const float *win, int len);
  31
  32 void ff_vector_fmul_reverse_vfp(float *dst, const float *src0,
  33                                 const float *src1, int len);
  34
  35 void ff_butterflies_float_vfp(float *av_restrict v1, float *av_restrict v2, int len);
  36
  37 av_cold void ff_float_dsp_init_vfp(AVFloatDSPContext *fdsp, int cpu_flags)
  38 {
  39     if (!have_vfpv3(cpu_flags)) {
  40         fdsp->vector_fmul = ff_vector_fmul_vfp;
  41         fdsp->vector_fmul_window = ff_vector_fmul_window_vfp;
  42     }
  43     fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_vfp;
  44     if (!have_vfpv3(cpu_flags))
  45         fdsp->butterflies_float = ff_butterflies_float_vfp;
  46 }