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/*
* 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 */
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