/*
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef AVCODEC_OPUSDSP_H
 #define AVCODEC_OPUSDSP_H
 
 #include "libavutil/common.h"
 
 #define CELT_EMPH_COEFF 0.8500061035f
 
 typedef struct OpusDSP {
     void (*postfilter)(float *data, int period, float *gains, int len);
     float (*deemphasis)(float *out, float *in, float coeff, int len);
 } OpusDSP;
 
 void ff_opus_dsp_init(OpusDSP *ctx);
 

 void ff_opus_dsp_init_x86(OpusDSP *ctx);

 void ff_opus_dsp_init_aarch64(OpusDSP *ctx);

 #endif /* AVCODEC_OPUSDSP_H */