incremental waveform generation (kind-of) working

backend/player/dlna/dlnaplayer.go

@@ -181,8 +181,8 @@ func (d *DLNAPlayer) PlayFile(urlstr string, meta mediaprovider.MediaItemMetadat
 		}()
 	}
 	d.state = playing
-	remainingDur := meta.Duration - int(startTime)
-	d.setTrackChangeTimer(time.Duration(remainingDur) * time.Second)
+	remainingDur := meta.Duration - time.Duration(startTime)*time.Second
+	d.setTrackChangeTimer(remainingDur)
 	d.stopwatch.Reset()
 	d.stopwatch.Start()
 	d.lastStartTime = int(startTime)
@@ -265,7 +265,7 @@ func (d *DLNAPlayer) Continue() error {
 		return err
 	}
 	d.metaLock.Lock()
-	nextTrackChange := time.Duration(d.curTrackMeta.Duration)*time.Second - d.curPlayPos()
+	nextTrackChange := d.curTrackMeta.Duration - d.curPlayPos()
 	d.metaLock.Unlock()
 	d.state = playing
 	d.setTrackChangeTimer(nextTrackChange)
@@ -349,7 +349,7 @@ func (d *DLNAPlayer) SeekSeconds(secs float64) error {
 
 	if d.state == playing {
 		d.metaLock.Lock()
-		nextTrackChange := time.Duration(d.curTrackMeta.Duration)*time.Second - time.Duration(secs)*time.Second
+		nextTrackChange := d.curTrackMeta.Duration - time.Duration(secs)*time.Second
 		d.metaLock.Unlock()
 		d.setTrackChangeTimer(nextTrackChange)
 		d.stopwatch.Start()
@@ -397,7 +397,7 @@ func (d *DLNAPlayer) GetStatus() player.Status {
 	return player.Status{
 		State:    state,
 		TimePos:  timePos,
-		Duration: float64(d.curTrackMeta.Duration),
+		Duration: d.curTrackMeta.Duration.Seconds(),
 	}
 }
 
@@ -428,7 +428,7 @@ func (d *DLNAPlayer) syncPlaybackTime() {
 		if d.state == playing {
 			d.stopwatch.Start()
 		}
-		d.setTrackChangeTimer(time.Duration(d.curTrackMeta.Duration-d.lastStartTime) * time.Second)
+		d.setTrackChangeTimer(d.curTrackMeta.Duration - time.Duration(d.lastStartTime)*time.Second)
 		d.InvokeOnSeek()
 	}
 }
@@ -511,7 +511,7 @@ func (d *DLNAPlayer) handleOnTrackChange() {
 	}
 	d.curTrackMeta = d.nextTrackMeta
 	d.nextTrackMeta = mediaprovider.MediaItemMetadata{}
-	nextTrackChange := time.Duration(d.curTrackMeta.Duration) * time.Second
+	nextTrackChange := d.curTrackMeta.Duration
 	d.metaLock.Unlock()
 
 	if stopping {

backend/player/jukebox/jukeboxplayer.go

@@ -90,7 +90,7 @@ func (j *JukeboxPlayer) PlayTrack(track *mediaprovider.Track, _ float64) error {
 
 	j.curTrack = 0
 	j.queueLength = 1
-	j.curTrackDuration = float64(track.Duration)
+	j.curTrackDuration = track.Duration.Seconds()
 
 	return nil
 }