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44 lines
1.3 KiB
44 lines
1.3 KiB
/* |
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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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const uint8_t *bytestream; |
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const uint8_t *bytestream_start; |
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const 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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