| 1 | /* |
| 2 | * CCITT Fax Group 3 and 4 decompression |
| 3 | * Copyright (c) 2008 Konstantin Shishkov |
| 4 | * |
| 5 | * This file is part of FFmpeg. |
| 6 | * |
| 7 | * FFmpeg is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * FFmpeg is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with FFmpeg; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | /** |
| 23 | * @file |
| 24 | * CCITT Fax Group 3 and 4 decompression |
| 25 | * @author Konstantin Shishkov |
| 26 | */ |
| 27 | #ifndef AVCODEC_FAXCOMPR_H |
| 28 | #define AVCODEC_FAXCOMPR_H |
| 29 | |
| 30 | #include "avcodec.h" |
| 31 | #include "tiff.h" |
| 32 | |
| 33 | /** |
| 34 | * initialize upacker code |
| 35 | */ |
| 36 | void ff_ccitt_unpack_init(void); |
| 37 | |
| 38 | /** |
| 39 | * unpack data compressed with CCITT Group 3 1/2-D or Group 4 method |
| 40 | */ |
| 41 | int ff_ccitt_unpack(AVCodecContext *avctx, |
| 42 | const uint8_t *src, int srcsize, |
| 43 | uint8_t *dst, int height, int stride, |
| 44 | enum TiffCompr compr, int opts); |
| 45 | |
| 46 | #endif /* AVCODEC_FAXCOMPR_H */ |