1cabdff1aSopenharmony_ci/* 2cabdff1aSopenharmony_ci * This file is part of FFmpeg. 3cabdff1aSopenharmony_ci * 4cabdff1aSopenharmony_ci * FFmpeg is free software; you can redistribute it and/or 5cabdff1aSopenharmony_ci * modify it under the terms of the GNU Lesser General Public 6cabdff1aSopenharmony_ci * License as published by the Free Software Foundation; either 7cabdff1aSopenharmony_ci * version 2.1 of the License, or (at your option) any later version. 8cabdff1aSopenharmony_ci * 9cabdff1aSopenharmony_ci * FFmpeg is distributed in the hope that it will be useful, 10cabdff1aSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of 11cabdff1aSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12cabdff1aSopenharmony_ci * Lesser General Public License for more details. 13cabdff1aSopenharmony_ci * 14cabdff1aSopenharmony_ci * You should have received a copy of the GNU Lesser General Public 15cabdff1aSopenharmony_ci * License along with FFmpeg; if not, write to the Free Software 16cabdff1aSopenharmony_ci * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17cabdff1aSopenharmony_ci */ 18cabdff1aSopenharmony_ci 19cabdff1aSopenharmony_ci#ifndef AVCODEC_FLACDSP_H 20cabdff1aSopenharmony_ci#define AVCODEC_FLACDSP_H 21cabdff1aSopenharmony_ci 22cabdff1aSopenharmony_ci#include <stdint.h> 23cabdff1aSopenharmony_ci 24cabdff1aSopenharmony_ci#include "libavutil/samplefmt.h" 25cabdff1aSopenharmony_ci 26cabdff1aSopenharmony_citypedef struct FLACDSPContext { 27cabdff1aSopenharmony_ci void (*decorrelate[4])(uint8_t **out, int32_t **in, int channels, 28cabdff1aSopenharmony_ci int len, int shift); 29cabdff1aSopenharmony_ci void (*lpc16)(int32_t *samples, const int coeffs[32], int order, 30cabdff1aSopenharmony_ci int qlevel, int len); 31cabdff1aSopenharmony_ci void (*lpc32)(int32_t *samples, const int coeffs[32], int order, 32cabdff1aSopenharmony_ci int qlevel, int len); 33cabdff1aSopenharmony_ci void (*lpc16_encode)(int32_t *res, const int32_t *smp, int len, int order, 34cabdff1aSopenharmony_ci const int32_t coefs[32], int shift); 35cabdff1aSopenharmony_ci void (*lpc32_encode)(int32_t *res, const int32_t *smp, int len, int order, 36cabdff1aSopenharmony_ci const int32_t coefs[32], int shift); 37cabdff1aSopenharmony_ci} FLACDSPContext; 38cabdff1aSopenharmony_ci 39cabdff1aSopenharmony_civoid ff_flacdsp_init(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps); 40cabdff1aSopenharmony_civoid ff_flacdsp_init_arm(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps); 41cabdff1aSopenharmony_civoid ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps); 42cabdff1aSopenharmony_ci 43cabdff1aSopenharmony_ci#endif /* AVCODEC_FLACDSP_H */ 44