ffmpeg/libavcodec/arm/audiodsp_init_neon.c

   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 }