mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-15 11:44:49 +00:00
799e232490
Also, templatize the functions for 16-bit and 32-bit sample range. This will be used for 24-bit FLAC encoding.
38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
/*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* Libav is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_FLACDSP_H
|
|
#define AVCODEC_FLACDSP_H
|
|
|
|
#include <stdint.h>
|
|
#include "libavutil/samplefmt.h"
|
|
|
|
typedef struct FLACDSPContext {
|
|
void (*decorrelate[4])(uint8_t **out, int32_t **in, int channels,
|
|
int len, int shift);
|
|
void (*lpc)(int32_t *samples, const int coeffs[32], int order,
|
|
int qlevel, int len);
|
|
void (*lpc_encode)(int32_t *res, const int32_t *smp, int len, int order,
|
|
const int32_t *coefs, int shift);
|
|
} FLACDSPContext;
|
|
|
|
void ff_flacdsp_init(FLACDSPContext *c, enum AVSampleFormat fmt, int bps);
|
|
void ff_flacdsp_init_arm(FLACDSPContext *c, enum AVSampleFormat fmt, int bps);
|
|
|
|
#endif /* AVCODEC_FLACDSP_H */
|