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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
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* PNM image format
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* Copyright (c) 2002, 2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_PNM_H
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#define AVCODEC_PNM_H
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#include "avcodec.h"
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typedef struct PNMContext {
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uint8_t *bytestream;
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uint8_t *bytestream_start;
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uint8_t *bytestream_end;
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int maxval; ///< maximum value of a pixel
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int type;
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int endian;
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int half;
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float scale;
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uint32_t mantissatable[2048];
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uint32_t exponenttable[64];
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uint16_t offsettable[64];
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} PNMContext;
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int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s);
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#endif /* AVCODEC_PNM_H */
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