111 lines
1.9 KiB
Go
111 lines
1.9 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.
|
|
|
|
package tag
|
|
|
|
import (
|
|
"errors"
|
|
"io"
|
|
)
|
|
|
|
// ReadDSFTags reads DSF metadata from the io.ReadSeeker, returning the resulting
|
|
// metadata in a Metadata implementation, or non-nil error if there was a problem.
|
|
// samples: http://www.2l.no/hires/index.html
|
|
func ReadDSFTags(r io.ReadSeeker) (Metadata, error) {
|
|
dsd, err := readString(r, 4)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if dsd != "DSD " {
|
|
return nil, errors.New("expected 'DSD '")
|
|
}
|
|
|
|
_, err = r.Seek(int64(16), io.SeekCurrent)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
n4, err := readBytes(r, 8)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
id3Pointer := getIntLittleEndian(n4)
|
|
|
|
_, err = r.Seek(int64(id3Pointer), io.SeekStart)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
id3, err := ReadID3v2Tags(r)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return metadataDSF{id3}, nil
|
|
}
|
|
|
|
type metadataDSF struct {
|
|
id3 Metadata
|
|
}
|
|
|
|
func (m metadataDSF) Format() Format {
|
|
return m.id3.Format()
|
|
}
|
|
|
|
func (m metadataDSF) FileType() FileType {
|
|
return DSF
|
|
}
|
|
|
|
func (m metadataDSF) Title() string {
|
|
return m.id3.Title()
|
|
}
|
|
|
|
func (m metadataDSF) Album() string {
|
|
return m.id3.Album()
|
|
}
|
|
|
|
func (m metadataDSF) Artist() string {
|
|
return m.id3.Artist()
|
|
}
|
|
|
|
func (m metadataDSF) AlbumArtist() string {
|
|
return m.id3.AlbumArtist()
|
|
}
|
|
|
|
func (m metadataDSF) Composer() string {
|
|
return m.id3.Composer()
|
|
}
|
|
|
|
func (m metadataDSF) Year() int {
|
|
return m.id3.Year()
|
|
}
|
|
|
|
func (m metadataDSF) Genre() string {
|
|
return m.id3.Genre()
|
|
}
|
|
|
|
func (m metadataDSF) Track() (int, int) {
|
|
return m.id3.Track()
|
|
}
|
|
|
|
func (m metadataDSF) Disc() (int, int) {
|
|
return m.id3.Disc()
|
|
}
|
|
|
|
func (m metadataDSF) Picture() *Picture {
|
|
return m.id3.Picture()
|
|
}
|
|
|
|
func (m metadataDSF) Lyrics() string {
|
|
return m.id3.Lyrics()
|
|
}
|
|
|
|
func (m metadataDSF) Comment() string {
|
|
return m.id3.Comment()
|
|
}
|
|
|
|
func (m metadataDSF) Raw() map[string]interface{} {
|
|
return m.id3.Raw()
|
|
}
|