exif.c File Reference

#include "exif.h"
#include "tiff_common.h"

Go to the source code of this file.

Data Structures
struct	exif_tag

Macros
#define	EXIF_TAG_NAME_LENGTH   32

Functions
static const char *	exif_get_tag_name (uint16_t id)
static int	exif_add_metadata (void *logctx, int count, int type, const char *name, const char *sep, GetByteContext *gb, int le, AVDictionary **metadata)
static int	exif_decode_tag (void *logctx, GetByteContext *gbytes, int le, int depth, AVDictionary **metadata)
int	ff_exif_decode_ifd (void *logctx, GetByteContext *gbytes, int le, int depth, AVDictionary **metadata)
int	avpriv_exif_decode_ifd (void *logctx, const uint8_t *buf, int size, int le, int depth, AVDictionary **metadata)
	Recursively decodes all IFD's and adds included TAGS into the metadata dictionary. More...

Variables
static const struct exif_tag	tag_list []

Detailed Description

EXIF metadata parser

Author

Thilo Borgmann <thilo.borgmann at mail.de>

Definition in file exif.c.

Macro Definition Documentation

EXIF_TAG_NAME_LENGTH

#define EXIF_TAG_NAME_LENGTH   32

Definition at line 31 of file exif.c.

Function Documentation

exif_get_tag_name()

static const char* exif_get_tag_name ( uint16_t  id )

static

Definition at line 159 of file exif.c.

Referenced by exif_decode_tag().

exif_add_metadata()

static int exif_add_metadata ( void *  logctx, int  count, int  type, const char *  name, const char *  sep, GetByteContext *  gb, int  le, AVDictionary **  metadata  )

static

Definition at line 172 of file exif.c.

Referenced by exif_decode_tag().

exif_decode_tag()

static int exif_decode_tag ( void *  logctx, GetByteContext *  gbytes, int  le, int  depth, AVDictionary **  metadata  )

static

Definition at line 201 of file exif.c.

Referenced by ff_exif_decode_ifd().

ff_exif_decode_ifd()

int ff_exif_decode_ifd	(	void *	logctx,
		GetByteContext *	gbytes,
		int	le,
		int	depth,
		AVDictionary **	metadata
	)

Definition at line 243 of file exif.c.

Referenced by avpriv_exif_decode_ifd(), exif_decode_tag(), mjpeg_decode_app(), and webp_decode_frame().

avpriv_exif_decode_ifd()

int avpriv_exif_decode_ifd	(	void *	logctx,
		const uint8_t *	buf,
		int	size,
		int	le,
		int	depth,
		AVDictionary **	metadata
	)

Recursively decodes all IFD's and adds included TAGS into the metadata dictionary.

Definition at line 265 of file exif.c.

Referenced by avi_extract_stream_metadata().

Variable Documentation

tag_list

const struct exif_tag tag_list[]

static

Definition at line 38 of file exif.c.

Referenced by amv_write_alist(), amv_write_vlist(), and exif_get_tag_name().