mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
|
|
* PNM image format
|
|
* Copyright (c) 2002, 2003 Fabrice Bellard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_PNM_H
|
|
#define AVCODEC_PNM_H
|
|
|
|
#include "avcodec.h"
|
|
|
|
typedef struct PNMContext {
|
|
const uint8_t *bytestream;
|
|
const uint8_t *bytestream_start;
|
|
const uint8_t *bytestream_end;
|
|
int maxval; ///< maximum value of a pixel
|
|
int type;
|
|
int endian;
|
|
int half;
|
|
float scale;
|
|
|
|
uint32_t mantissatable[2048];
|
|
uint32_t exponenttable[64];
|
|
uint16_t offsettable[64];
|
|
} PNMContext;
|
|
|
|
int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s);
|
|
|
|
#endif /* AVCODEC_PNM_H */
|