fits.c File Reference

#include <inttypes.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include "libavutil/dict.h"
#include "libavutil/error.h"
#include "libavutil/log.h"
#include "fits.h"

Go to the source code of this file.

Macros
#define	CHECK_KEYWORD(key)
#define	CHECK_VALUE(key, val)

Functions
int	avpriv_fits_header_init (FITSHeader *header, FITSHeaderState state)
	Initialize a single header line. More...
static int	dict_set_if_not_null (AVDictionary ***metadata, char *keyword, char *value)
static int	read_keyword_value (const uint8_t *ptr8, char *keyword, char *value)
	Extract keyword and value from a header line (80 bytes) and store them in keyword and value strings respectively. More...
int	avpriv_fits_header_parse_line (void *avcl, FITSHeader *header, const uint8_t line[80], AVDictionary ***metadata)
	Parse a single header line. More...

Macro Definition Documentation

CHECK_KEYWORD

#define CHECK_KEYWORD

(

key

)

Value:

    if (strcmp(keyword, key)) { \
        av_log(avcl, AV_LOG_ERROR, "expected %s keyword, found %s = %s\n", key, keyword, value); \
        return AVERROR_INVALIDDATA; \
    }

Definition at line 101 of file fits.c.

CHECK_VALUE

#define CHECK_VALUE	(		key,
			val
	)

Value:

    if (sscanf(value, "%d", &header->val) != 1) { \
        av_log(avcl, AV_LOG_ERROR, "invalid value of %s keyword, %s = %s\n", key, keyword, value); \
        return AVERROR_INVALIDDATA; \
    }

Definition at line 107 of file fits.c.

Function Documentation

avpriv_fits_header_init()

int avpriv_fits_header_init	(	FITSHeader *	header,
		FITSHeaderState	state
	)

Initialize a single header line.

Parameters

header	pointer to the header
state	current state of parsing the header

Returns

0 if successful otherwise AVERROR_INVALIDDATA

Definition at line 31 of file fits.c.

Referenced by fits_read_header(), and fits_read_packet().

dict_set_if_not_null()

static int dict_set_if_not_null ( AVDictionary ***  metadata, char *  keyword, char *  value  )

static

Definition at line 48 of file fits.c.

Referenced by avpriv_fits_header_parse_line().

read_keyword_value()

static int read_keyword_value ( const uint8_t *  ptr8, char *  keyword, char *  value  )

static

Extract keyword and value from a header line (80 bytes) and store them in keyword and value strings respectively.

Parameters

ptr8	pointer to the data
keyword	pointer to the char array in which keyword is to be stored
value	pointer to the char array in which value is to be stored

Returns

0 if calculated successfully otherwise AVERROR_INVALIDDATA

Definition at line 62 of file fits.c.

Referenced by avpriv_fits_header_parse_line().

avpriv_fits_header_parse_line()

int avpriv_fits_header_parse_line	(	void *	avcl,
		FITSHeader *	header,
		const uint8_t	line[80],
		AVDictionary ***	metadata
	)

Parse a single header line.

Parameters

avcl	used in av_log
header	pointer to the header
line	one header line
metadata	used to store metadata while decoding

Returns

0 if successful otherwise AVERROR_INVALIDDATA

Definition at line 113 of file fits.c.

Referenced by fits_read_header(), and is_image().