| 0,0 → 1,48 |
|---|
| /* |
| * 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 */ |