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  1. /*
  2.  * PNM image format
  3.  * Copyright (c) 2002, 2003 Fabrice Bellard
  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. #ifndef AVCODEC_PNM_H
  23. #define AVCODEC_PNM_H
  24.  
  25. #include "avcodec.h"
  26.  
  27. typedef struct PNMContext {
  28.     uint8_t *bytestream;
  29.     uint8_t *bytestream_start;
  30.     uint8_t *bytestream_end;
  31.     int maxval;                 ///< maximum value of a pixel
  32.     int type;
  33. } PNMContext;
  34.  
  35. int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s);
  36.  
  37. #endif /* AVCODEC_PNM_H */
  38.