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  1. /*
  2.  * ARM NEON optimised audio 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 "libavcodec/audiodsp.h"
  26. #include "audiodsp_arm.h"
  27.  
  28. void ff_vector_clipf_neon(float *dst, const float *src, float min, float max,
  29.                           int len);
  30. void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min,
  31.                                int32_t max, unsigned int len);
  32.  
  33. int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len);
  34.  
  35. av_cold void ff_audiodsp_init_neon(AudioDSPContext *c)
  36. {
  37.     c->vector_clip_int32 = ff_vector_clip_int32_neon;
  38.     c->vector_clipf      = ff_vector_clipf_neon;
  39.  
  40.     c->scalarproduct_int16 = ff_scalarproduct_int16_neon;
  41. }
  42.