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