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37 lines
1.2 KiB
C
Executable File
37 lines
1.2 KiB
C
Executable File
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_OPUSDSP_H
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#define AVCODEC_OPUSDSP_H
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#include "libavutil/common.h"
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#define CELT_EMPH_COEFF 0.8500061035f
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typedef struct OpusDSP {
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void (*postfilter)(float *data, int period, float *gains, int len);
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float (*deemphasis)(float *out, float *in, float coeff, int len);
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} OpusDSP;
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void ff_opus_dsp_init(OpusDSP *ctx);
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void ff_opus_dsp_init_x86(OpusDSP *ctx);
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void ff_opus_dsp_init_aarch64(OpusDSP *ctx);
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#endif /* AVCODEC_OPUSDSP_H */
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