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1 | /* |
2 | * This file is part of FFmpeg. | |
3 | * | |
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. | |
8 | * | |
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. | |
13 | * | |
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 | |
17 | */ | |
18 | ||
19 | #ifndef AVCODEC_FLACDSP_H | |
20 | #define AVCODEC_FLACDSP_H | |
21 | ||
22 | #include <stdint.h> | |
23 | #include "libavutil/samplefmt.h" | |
24 | ||
25 | typedef struct FLACDSPContext { | |
26 | void (*decorrelate[4])(uint8_t **out, int32_t **in, int channels, | |
27 | int len, int shift); | |
28 | void (*lpc)(int32_t *samples, const int coeffs[32], int order, | |
29 | int qlevel, int len); | |
30 | void (*lpc_encode)(int32_t *res, const int32_t *smp, int len, int order, | |
31 | const int32_t coefs[32], int shift); | |
32 | } FLACDSPContext; | |
33 | ||
f6fa7814 DM |
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); | |
2ba45a60 DM |
37 | |
38 | #endif /* AVCODEC_FLACDSP_H */ |