libavcodec/pnm.h

   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     AVFrame picture;
  32     int maxval;                 ///< maximum value of a pixel
  33 } PNMContext;
  34
  35 int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s);
  36
  37 #endif /* AVCODEC_PNM_H */