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 unpacker 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 */ 47