mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 11:19:55 +00:00
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/*
|
|
* Copyright (c) 2001-2003 The ffmpeg Project
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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.
|
|
*
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* ADPCM encoder/decoder common header.
|
|
*/
|
|
|
|
#ifndef AVCODEC_ADPCM_H
|
|
#define AVCODEC_ADPCM_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#define BLKSIZE 1024
|
|
|
|
typedef struct ADPCMChannelStatus {
|
|
int predictor;
|
|
int16_t step_index;
|
|
int step;
|
|
/* for encoding */
|
|
int prev_sample;
|
|
|
|
/* MS version */
|
|
int sample1;
|
|
int sample2;
|
|
int coeff1;
|
|
int coeff2;
|
|
int idelta;
|
|
} ADPCMChannelStatus;
|
|
|
|
#endif /* AVCODEC_ADPCM_H */
|