blob: 7bb0dd0e9a2e0bffcfa58898f4c15b49a5eebfc6
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/internal.h" |
24 | #include "libavutil/samplefmt.h" |
25 | |
26 | typedef struct FLACDSPContext { |
27 | void (*decorrelate[4])(uint8_t **out, int32_t **in, int channels, |
28 | int len, int shift); |
29 | void (*lpc16)(int32_t *samples, const int coeffs[32], int order, |
30 | int qlevel, int len); |
31 | void (*lpc32)(int32_t *samples, const int coeffs[32], int order, |
32 | int qlevel, int len); |
33 | void (*lpc16_encode)(int32_t *res, const int32_t *smp, int len, int order, |
34 | const int32_t coefs[32], int shift); |
35 | void (*lpc32_encode)(int32_t *res, const int32_t *smp, int len, int order, |
36 | const int32_t coefs[32], int shift); |
37 | } FLACDSPContext; |
38 | |
39 | void ff_flacdsp_init(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps); |
40 | void ff_flacdsp_init_arm(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps); |
41 | void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps); |
42 | |
43 | #endif /* AVCODEC_FLACDSP_H */ |
44 |