2 * FITS image format common prototypes and structures
3 * Copyright (c) 2017 Paras Chadha
5 * This file is part of FFmpeg.
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.
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.
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
22 #ifndef AVCODEC_FITS_H
23 #define AVCODEC_FITS_H
27 #include "libavutil/dict.h"
29 typedef enum FITSHeaderState {
41 * Structure to store the header keywords in FITS file
43 typedef struct FITSHeader {
44 FITSHeaderState state;
54 int rgb; /**< 1 if file contains RGB image, 0 otherwise */
66 * Initialize a single header line
67 * @param header pointer to the header
68 * @param state current state of parsing the header
69 * @return 0 if successful otherwise AVERROR_INVALIDDATA
71 int avpriv_fits_header_init(FITSHeader *header, FITSHeaderState state);
74 * Parse a single header line
75 * @param avcl used in av_log
76 * @param header pointer to the header
77 * @param line one header line
78 * @param metadata used to store metadata while decoding
79 * @return 0 if successful otherwise AVERROR_INVALIDDATA
81 int avpriv_fits_header_parse_line(void *avcl, FITSHeader *header, const uint8_t line[80], AVDictionary ***metadata);
83 #endif /* AVCODEC_FITS_H */