75 lines
1.6 KiB
Go
75 lines
1.6 KiB
Go
package gomus
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import (
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"github.com/faiface/beep"
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bflac "github.com/faiface/beep/flac"
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"github.com/mewkiz/flac"
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"github.com/mewkiz/flac/meta"
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)
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type track struct {
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Title string
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Album string
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Artist string
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TrackPath string
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TrackTotal uint8
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TrackNumber uint8
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}
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func (t track) FilterValue() string { return "" }
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func (t track) fullName() string { return fmt.Sprintf("%s - %s", t.Artist, t.Title) }
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func (t track) GetStream() (beep.StreamSeekCloser, beep.Format, error) {
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f, err := os.Open(t.TrackPath)
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check(err)
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if strings.HasSuffix(t.TrackPath, ".flac") {
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streamer, format, err := bflac.Decode(f)
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check(err)
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return streamer, format, nil
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}
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return nil, beep.Format{}, fmt.Errorf("Could not parse track")
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}
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func TrackFromFlac(path string) track {
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path, err := filepath.Abs(path)
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check(err)
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s, err := flac.ParseFile(path)
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check(err)
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t := track{TrackPath: path}
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for _, block := range s.Blocks {
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if block.Header.Type == meta.TypeVorbisComment {
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c := block.Body.(*meta.VorbisComment)
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for _, tagTuple := range c.Tags {
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tag, val := tagTuple[0], tagTuple[1]
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switch tag {
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case "TITLE":
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t.Title = val
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case "ARTIST":
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t.Artist = val
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case "ALBUM":
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t.Album = val
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case "TRACKNUMBER":
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trackNum, err := strconv.ParseUint(val, 10, 8)
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check(err)
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t.TrackNumber = uint8(trackNum)
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case "TRACKTOTAL":
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trackTotal, err := strconv.ParseUint(val, 10, 8)
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check(err)
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t.TrackTotal = uint8(trackTotal)
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}
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}
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}
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}
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return t
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}
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