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README.md

File metadata and controls

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audiotags

library and command to retrieve audio metadata tags (uses TagLib)

  • uses libtag directly (doesn't use the C bindings)
  • read only support
  • returns the extended metadata (albumartist, composer, discnumber, etc...)
  • builds with cgo

Install command and library

go get github.com/nicksellen/audiotags/audiotags

Install library

go get github.com/nicksellen/audiotags

Command example

# audiotags '/store/music/John Holloway/J.S. Bach_ The Sonatas and Partitas for violin solo/2-09 Allegro assai [Sonata No. 3 in C major BWV 1005].mp3'
album J.S. Bach: The Sonatas and Partitas for violin solo
date 2007
filetype MPG/3
title Allegro assai [Sonata No. 3 in C major BWV 1005]
tracknumber 9
albumartist John Holloway
artist John Holloway
composer Johann Sebastian Bach
discnumber 2/2
genre Classical
length 320
bitrate 222
samplerate 44100
channels 2

Library example

package main

import (
	"fmt"
	"github.com/nicksellen/audiotags"
	"log"
	"os"
)

func main() {

	if len(os.Args) != 2 {
		fmt.Println("pass path to file")
		return
	}

	props, audioProps, err := audiotags.Read(os.Args[1])
	
	if err != nil {
		log.Fatal(err)
	}
	
	for k, v := range props {
		fmt.Printf("%s %s\n", k, v)
	}

	fmt.Printf("length %d\nbitrate %d\nsamplerate %d\nchannels %d\n",
		audioProps.Length, audioProps.Bitrate, audioProps.Samplerate, audioProps.Channels)

}

Dependencies

On Debian/Ubuntu:

apt-get install libtag1-vanilla

On OS X:

brew install taglib