Imported Debian version 2.5.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / flacdsp.h
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
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);
37
38 #endif /* AVCODEC_FLACDSP_H */