hmage / goheif

HEIF container parser in pure Go

HEIF container parser in pure Go

This is a fork of jdeng/goheif but without C code — only for parsing HEIF container and extracting EXIF.

Install

• Tested

  • Mac OS X (High Sierra)
  • Linux (Ubuntu 16.04 / GCC 5.4)
  • Windows 7 64bit with TDM-GCC 32 (GCC 5.1) and golang 1.12 windows/386

• Code Sample

func main() {
	flag.Parse()
	...
  
	fin := flag.Arg(0)
	fi, err := os.Open(fin)
	if err != nil {
		log.Fatal(err)
	}
	defer fi.Close()

	exif, err := goheif.ExtractExif(fi)
	if err != nil {
		log.Printf("Warning: no EXIF from %s: %v\n", fin, err)
	}

	log.Printf("got exif %q", exif)
}

What is done

• Removed C code and heic2jpg utility from (https://github.com/jdeng/goheif) golang heif parse

• Changes make to @bradfitz's (https://github.com/bradfitz) golang heif parser

  • Some minor bugfixes
  • A few new box parsers, noteably 'iref' and 'hvcC'

License

• heif subdir is in Apache license

• goheif.go is in MIT license

Credits

• heif parser by @bradfitz (https://github.com/go4org/go4/tree/master/media/heif)
• implementation learnt from libheif (https://github.com/strukturag/libheif)

TODO

• Upstream the changes to heif?