libavcodec/faxcompr.h

   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  * CCITT Fax Group 3 and 4 decompression
  24  * @file libavcodec/faxcompr.h
  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, enum TiffCompr compr);
  44
  45 #endif /* AVCODEC_FAXCOMPR_H */