58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package metadata
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import (
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"log/slog"
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"strconv"
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"github.com/go-flac/flacvorbis/v2"
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"github.com/go-flac/go-flac/v2"
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)
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func updateFlacMetadata(m Metadata, input, output string) error {
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f, err := flac.ParseFile(input)
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if err != nil {
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return err
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}
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vorbisMeta := createVorbisMetaBlock(m)
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meta := vorbisMeta.Marshal()
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replaced := false
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for i, block := range f.Meta {
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if block.Type == flac.VorbisComment {
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f.Meta[i] = &meta
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replaced = true
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break
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}
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}
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if !replaced {
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f.Meta = append(f.Meta, &meta)
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}
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return f.Save(output)
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}
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func createVorbisMetaBlock(m Metadata) flacvorbis.MetaDataBlockVorbisComment {
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vorbisMeta := flacvorbis.New()
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vorbisMeta.Add(flacvorbis.FIELD_TITLE, m.Title)
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vorbisMeta.Add(flacvorbis.FIELD_ALBUM, m.Album)
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vorbisMeta.Add("COMMENT", m.Comment)
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vorbisMeta.Add("TRACKNUMBER", strconv.Itoa(m.Track))
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vorbisMeta.Add("TOTALTRACKS", strconv.Itoa(m.TotalTracks))
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vorbisMeta.Add("DISCNUMBER", strconv.Itoa(m.Disc))
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vorbisMeta.Add("TOTALDISCS", strconv.Itoa(m.TotalDiscs))
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for _, artist := range m.Artist {
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vorbisMeta.Add(flacvorbis.FIELD_ARTIST, artist)
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slog.Debug("Added ARTIST filed to metadata", "artist", artist)
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}
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for _, albumArtist := range m.AlbumArtist {
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vorbisMeta.Add("ALBUMARTIST", albumArtist)
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}
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return *vorbisMeta
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}
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