incremental waveform generation (kind-of) working

backend/mediaprovider/jellyfin/jellyfinmediaprovider.go

@@ -15,8 +15,8 @@ import (
 )
 
 const (
-	cacheValidDurationSeconds = 60
-	runTimeTicksPerSecond     = 10_000_000
+	cacheValidDurationSeconds  = 60
+	runTimeTicksPerMicrosecond = 10
 )
 
 type JellyfinServer struct {
@@ -383,7 +383,7 @@ func (j *jellyfinMediaProvider) TrackBeganPlayback(trackID string) error {
 }
 
 func (j *jellyfinMediaProvider) TrackEndedPlayback(trackID string, position int, submission bool) error {
-	return j.client.UpdatePlayStatus(trackID, jellyfin.Stop, int64(position)*runTimeTicksPerSecond)
+	return j.client.UpdatePlayStatus(trackID, jellyfin.Stop, int64(position)*runTimeTicksPerMicrosecond*1_000_000)
 }
 
 func (j *jellyfinMediaProvider) RescanLibrary() error {
@@ -408,7 +408,7 @@ func (j *jellyfinMediaProvider) GetLyrics(tr *mediaprovider.Track) (*mediaprovid
 func toLyricLine(ll jellyfin.LyricLine) mediaprovider.LyricLine {
 	return mediaprovider.LyricLine{
 		Text:  ll.Text,
-		Start: float64(ll.Start) / float64(runTimeTicksPerSecond),
+		Start: (time.Duration(ll.Start/runTimeTicksPerMicrosecond) * time.Microsecond).Seconds(),
 	}
 }
 
@@ -432,7 +432,7 @@ func toTrack(ch *jellyfin.Song) *mediaprovider.Track {
 		CoverArtID:  coverArtID,
 		ParentID:    ch.AlbumID,
 		Title:       ch.Name,
-		Duration:    int(ch.RunTimeTicks / runTimeTicksPerSecond),
+		Duration:    time.Duration(ch.RunTimeTicks/runTimeTicksPerMicrosecond) * time.Microsecond,
 		TrackNumber: ch.IndexNumber,
 		DiscNumber:  ch.DiscNumber,
 		//Genre:       ch.Genres,
@@ -483,7 +483,7 @@ func fillAlbum(a *jellyfin.Album, album *mediaprovider.Album) {
 	album.ID = a.ID
 	album.CoverArtID = a.ID
 	album.Name = a.Name
-	album.Duration = int(a.RunTimeTicks / runTimeTicksPerSecond)
+	album.Duration = time.Duration(a.RunTimeTicks/runTimeTicksPerMicrosecond) * time.Microsecond
 	album.ArtistIDs = artistIDs
 	album.ArtistNames = artistNames
 	album.Date.Year = &a.Year
@@ -505,7 +505,7 @@ func (j *jellyfinMediaProvider) fillPlaylist(p *jellyfin.Playlist, pl *mediaprov
 	pl.CoverArtID = p.ID
 	pl.Description = p.Overview
 	pl.TrackCount = p.SongCount
-	pl.Duration = int(p.RunTimeTicks / runTimeTicksPerSecond)
+	pl.Duration = time.Duration(p.RunTimeTicks/runTimeTicksPerMicrosecond) * time.Microsecond
 	// Jellyfin does not have public playlists
 	pl.Owner = j.client.LoggedInUser()
 	pl.Public = false

backend/mediaprovider/model.go

@@ -67,7 +67,7 @@ type Album struct {
 	ID           string
 	CoverArtID   string
 	Name         string
-	Duration     int
+	Duration     time.Duration
 	ArtistIDs    []string
 	ArtistNames  []string
 	Date         ItemDate
@@ -127,7 +127,7 @@ type Track struct {
 	CoverArtID    string
 	ParentID      string
 	Title         string
-	Duration      int
+	Duration      time.Duration
 	TrackNumber   int
 	DiscNumber    int
 	Genres        []string
@@ -165,7 +165,7 @@ type Playlist struct {
 	Description string
 	Public      bool
 	Owner       string
-	Duration    int
+	Duration    time.Duration
 	TrackCount  int
 }
 
@@ -216,7 +216,7 @@ type MediaItemMetadata struct {
 	Album      string
 	AlbumID    string
 	CoverArtID string
-	Duration   int
+	Duration   time.Duration
 }
 
 type MediaItem interface {

backend/mediaprovider/subsonic/subsonicmediaprovider.go

@@ -551,7 +551,7 @@ func toTrack(ch *subsonic.Child) *mediaprovider.Track {
 		CoverArtID:    ch.CoverArt,
 		ParentID:      ch.Parent,
 		Title:         ch.Title,
-		Duration:      ch.Duration,
+		Duration:      time.Duration(ch.Duration) * time.Second,
 		TrackNumber:   ch.Track,
 		DiscNumber:    ch.DiscNumber,
 		Genres:        genres,
@@ -628,7 +628,7 @@ func fillAlbum(subAlbum *subsonic.AlbumID3, album *mediaprovider.Album) {
 	album.ID = subAlbum.ID
 	album.CoverArtID = subAlbum.CoverArt
 	album.Name = subAlbum.Name
-	album.Duration = subAlbum.Duration
+	album.Duration = time.Duration(subAlbum.Duration) * time.Second
 	album.ArtistIDs = artistIDs
 	album.ArtistNames = artistNames
 	album.TrackCount = subAlbum.SongCount
@@ -714,7 +714,7 @@ func fillPlaylist(pl *subsonic.Playlist, playlist *mediaprovider.Playlist) {
 	playlist.Owner = pl.Owner
 	playlist.Public = pl.Public
 	playlist.TrackCount = pl.SongCount
-	playlist.Duration = pl.Duration
+	playlist.Duration = time.Duration(pl.Duration) * time.Second
 }
 
 func (s *subsonicMediaProvider) GetSongRadio(trackID string, count int) ([]*mediaprovider.Track, error) {