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39 lines
1.6 KiB
C
39 lines
1.6 KiB
C
/*
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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_FLACDSP_H
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#define AVCODEC_FLACDSP_H
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#include <stdint.h>
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#include "libavutil/samplefmt.h"
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typedef struct FLACDSPContext {
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void (*decorrelate[4])(uint8_t **out, int32_t **in, int channels,
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int len, int shift);
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void (*lpc)(int32_t *samples, const int coeffs[32], int order,
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int qlevel, int len);
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void (*lpc_encode)(int32_t *res, const int32_t *smp, int len, int order,
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const int32_t coefs[32], int shift);
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} FLACDSPContext;
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void ff_flacdsp_init(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps);
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void ff_flacdsp_init_arm(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps);
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void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps);
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#endif /* AVCODEC_FLACDSP_H */
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