mdt

Documentation

Overview

Package mdt provides tools to extract metadata from resources.

Index

• type Image
  • func ImageFrom(fname string) (Image, error)
• type Orientation
• type Video
  • func VideoFrom(fname string) (Video, error)

Types

type Image

type Image struct {
	Width  int
	Height int
	Size   int64
	Format string
	Time   time.Time // Time is the image creation time
	Lat    float64   // Lat is the image latitude (if any)
	Lon    float64   // Lon is the image longitude (if any)

	Orientation Orientation // Exif orientation tag, if any.
}

func ImageFrom

func ImageFrom(fname string) (Image, error)

type Orientation

type Orientation uint8

EXIF orientation tag.

Valid values and meaning:

• 1 = Horizontal (normal)
• 2 = Mirror horizontal
• 3 = Rotate 180
• 4 = Mirror vertical
• 5 = Mirror horizontal and rotate 270 CW
• 6 = Rotate 90 CW
• 7 = Mirror horizontal and rotate 90 CW
• 8 = Rotate 270 CW

See:

https://exiftool.org/TagNames/EXIF.html

type Video

type Video struct {
	Width    int
	Height   int
	Size     int64
	Format   string
	Duration time.Duration
	Time     time.Time
}

func VideoFrom

func VideoFrom(fname string) (Video, error)