79 lines
1.4 KiB
Go
79 lines
1.4 KiB
Go
|
// Copyright 2015, David Howden
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
/*
|
||
|
|
The tag tool reads metadata from media files (as supported by the tag library).
|
||
|
|
*/
|
||
|
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"flag"
|
||
|
|
"fmt"
|
||
|
|
"os"
|
||
|
|
|
||
|
|
"github.com/dhowden/tag"
|
||
|
|
)
|
||
|
|
|
||
|
|
var raw bool
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
flag.BoolVar(&raw, "raw", false, "show raw tag data")
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
flag.Parse()
|
||
|
|
|
||
|
|
if flag.NArg() != 1 {
|
||
|
|
fmt.Printf("usage: %v filename\n", os.Args[0])
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
f, err := os.Open(flag.Arg(0))
|
||
|
|
if err != nil {
|
||
|
|
fmt.Printf("error loading file: %v", err)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
defer f.Close()
|
||
|
|
|
||
|
|
m, err := tag.ReadFrom(f)
|
||
|
|
if err != nil {
|
||
|
|
fmt.Printf("error reading file: %v\n", err)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
printMetadata(m)
|
||
|
|
|
||
|
|
if raw {
|
||
|
|
fmt.Println()
|
||
|
|
fmt.Println()
|
||
|
|
|
||
|
|
tags := m.Raw()
|
||
|
|
for k, v := range tags {
|
||
|
|
if _, ok := v.(*tag.Picture); ok {
|
||
|
|
fmt.Printf("%#v: %v\n", k, v)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
fmt.Printf("%#v: %#v\n", k, v)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func printMetadata(m tag.Metadata) {
|
||
|
|
fmt.Printf("Metadata Format: %v\n", m.Format())
|
||
|
|
|
||
|
|
fmt.Printf(" Title: %v\n", m.Title())
|
||
|
|
fmt.Printf(" Album: %v\n", m.Album())
|
||
|
|
fmt.Printf(" Artist: %v\n", m.Artist())
|
||
|
|
fmt.Printf(" Composer: %v\n", m.Composer())
|
||
|
|
fmt.Printf(" Year: %v\n", m.Year())
|
||
|
|
|
||
|
|
track, trackCount := m.Track()
|
||
|
|
fmt.Printf(" Track: %v of %v\n", track, trackCount)
|
||
|
|
|
||
|
|
disc, discCount := m.Disc()
|
||
|
|
fmt.Printf(" Disc: %v of %v\n", disc, discCount)
|
||
|
|
|
||
|
|
fmt.Printf(" Picture: %v\n", m.Picture())
|
||
|
|
}
|