Fix #628: Add setting to transcode stream

backend/config.go

@@ -142,7 +142,10 @@ type ThemeConfig struct {
 }
 
 type TranscodingConfig struct {
-	ForceRawFile bool
+	ForceRawFile     bool
+	RequestTranscode bool
+	Codec            string
+	MaxBitRateKBPS   int
 }
 
 type PeakMeterConfig struct {
@@ -260,7 +263,10 @@ func DefaultConfig(appVersionTag string) *Config {
 			PreventClipping: true,
 		},
 		Transcoding: TranscodingConfig{
-			ForceRawFile: false,
+			ForceRawFile:     false,
+			RequestTranscode: false,
+			Codec:            "opus",
+			MaxBitRateKBPS:   160,
 		},
 		Theme: ThemeConfig{
 			Appearance: "Dark",

backend/mediaprovider/jellyfin/jellyfinmediaprovider.go

@@ -332,12 +332,19 @@ func (j *jellyfinMediaProvider) SetFavorite(params mediaprovider.RatingFavoriteP
 	return err
 }
 
-func (j *jellyfinMediaProvider) GetStreamURL(trackID string, forceRaw bool) (string, error) {
+func (j *jellyfinMediaProvider) GetStreamURL(trackID string, transcode *mediaprovider.TranscodeSettings, forceRaw bool) (string, error) {
-	return j.client.GetStreamURL(trackID)
+	var jfTranscode *jellyfin.TranscodeOptions
+	if transcode != nil {
+		jfTranscode = &jellyfin.TranscodeOptions{
+			AudioCodec:   transcode.Codec,
+			AudioBitRate: uint32(transcode.BitRateKBPS * 1000),
+		}
+	}
+	return j.client.GetStreamURL(trackID, jfTranscode)
 }
 
 func (j *jellyfinMediaProvider) DownloadTrack(trackID string) (io.Reader, error) {
-	url, err := j.client.GetStreamURL(trackID)
+	url, err := j.client.GetStreamURL(trackID, nil)
 	if err != nil {
 		return nil, err
 	}

backend/mediaprovider/mediaprovider.go

@@ -184,6 +184,11 @@ type LoginResponse struct {
 	IsAuthError bool
 }
 
+type TranscodeSettings struct {
+	Codec       string
+	BitRateKBPS int
+}
+
 type Server interface {
 	Login(username, password string) LoginResponse
 	MediaProvider() MediaProvider
@@ -234,7 +239,7 @@ type MediaProvider interface {
 
 	GetFavorites() (Favorites, error)
 
-	GetStreamURL(trackID string, forceRaw bool) (string, error)
+	GetStreamURL(trackID string, transcodeSettings *TranscodeSettings, forceRaw bool) (string, error)
 
 	GetTopTracks(artist Artist, count int) ([]*Track, error)
 

backend/mediaprovider/subsonic/subsonicmediaprovider.go

@@ -234,9 +234,12 @@ func (s *subsonicMediaProvider) GetSimilarTracks(artistID string, count int) ([]
 	return sharedutil.MapSlice(tr, toTrack), nil
 }
 
-func (s *subsonicMediaProvider) GetStreamURL(trackID string, forceRaw bool) (string, error) {
+func (s *subsonicMediaProvider) GetStreamURL(trackID string, transcode *mediaprovider.TranscodeSettings, forceRaw bool) (string, error) {
 	m := make(map[string]string)
-	if forceRaw {
+	if transcode != nil {
+		m["format"] = transcode.Codec
+		m["maxBitRate"] = strconv.Itoa(transcode.BitRateKBPS)
+	} else if forceRaw {
 		m["format"] = "raw"
 	}
 	u, err := s.client.GetStreamURL(trackID, m)

backend/playbackengine.go

@@ -652,7 +652,14 @@ func (p *playbackEngine) setTrack(idx int, next bool, startTime float64) error {
 			item := p.playQueue[idx]
 			meta = item.Metadata()
 			if tr, ok := item.(*mediaprovider.Track); ok {
-				url, err = p.sm.Server.GetStreamURL(tr.ID, p.transcodeCfg.ForceRawFile)
+				var ts *mediaprovider.TranscodeSettings
+				if p.transcodeCfg.RequestTranscode {
+					ts = &mediaprovider.TranscodeSettings{
+						Codec:       p.transcodeCfg.Codec,
+						BitRateKBPS: p.transcodeCfg.MaxBitRateKBPS,
+					}
+				}
+				url, err = p.sm.Server.GetStreamURL(tr.ID, ts, p.transcodeCfg.ForceRawFile)
 			} else {
 				url = item.(*mediaprovider.RadioStation).StreamURL
 			}

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/dweymouth/fyne-advanced-list v0.0.0-20250211191927-58ea85eec72c
 	github.com/dweymouth/fyne-lyrics v0.0.0-20240528234907-15eee7ce5e64
 	github.com/dweymouth/fyne-tooltip v0.3.0
-	github.com/dweymouth/go-jellyfin v0.0.0-20240517151952-5ceca61cb645
+	github.com/dweymouth/go-jellyfin v0.0.0-20250531151636-29591764f0a0
 	github.com/godbus/dbus/v5 v5.1.0
 	github.com/google/uuid v1.3.0
 	github.com/hashicorp/go-retryablehttp v0.7.7

go.sum

@@ -25,8 +25,8 @@ github.com/dweymouth/fyne-tooltip v0.3.0 h1:NKCyTkh9NtvnTsiHtTOtaJzRDOFYP8AckQ2t
 github.com/dweymouth/fyne-tooltip v0.3.0/go.mod h1:m04ShLW/Tp6LXrNieTumApvNgo7YSB+wi+jZTN+kDBU=
 github.com/dweymouth/fyne/v2 v2.3.0-rc1.0.20250406173843-f5cb002423a5 h1:/gxlRSmndtF8QVxV3oFjlozm2clkMlLBlfiKFtehH+M=
 github.com/dweymouth/fyne/v2 v2.3.0-rc1.0.20250406173843-f5cb002423a5/go.mod h1:YZt7SksjvrSNJCwbWFV32WON3mE1Sr7L41D29qMZ/lU=
-github.com/dweymouth/go-jellyfin v0.0.0-20240517151952-5ceca61cb645 h1:KzqSaQwG3HsTZQlEtkp0BeUy9vmYZ0rq0B15qIPSiBs=
+github.com/dweymouth/go-jellyfin v0.0.0-20250531151636-29591764f0a0 h1:9t1CR83uzn5Va4Nycwncmuw/NEAN64O4lf82VBPzdfE=
-github.com/dweymouth/go-jellyfin v0.0.0-20240517151952-5ceca61cb645/go.mod h1:fcUagHBaQnt06GmBAllNE0J4O/7064zXRWdqnTTtVjI=
+github.com/dweymouth/go-jellyfin v0.0.0-20250531151636-29591764f0a0/go.mod h1:fcUagHBaQnt06GmBAllNE0J4O/7064zXRWdqnTTtVjI=
 github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
 github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
 github.com/felixge/fgprof v0.9.3 h1:VvyZxILNuCiUCSXtPtYmmtGvb65nqXh2QFWc0Wpf2/g=

res/translations/en.json

@@ -229,6 +229,7 @@
     "Track number": "Track number",
     "Track peak": "Track peak",
     "tracks": "tracks",
+    "Transcode to": "Transcode to",
     "UI Scaling": "UI Scaling",
     "Unable to play artist radio": "Unable to play artist radio",
     "Unable to play random tracks": "Unable to play random tracks",

ui/dialogs/settingsdialog.go

@@ -302,7 +302,35 @@ func (s *SettingsDialog) createGeneralTab(canSaveQueueToServer bool) *container.
 }
 
 func (s *SettingsDialog) createPlaybackTab(isLocalPlayer, isReplayGainPlayer bool) *container.TabItem {
-	disableTranscode := widget.NewCheckWithData(lang.L("Disable server transcoding"), binding.BindBool(&s.config.Transcoding.ForceRawFile))
+	transcodeCodec := widget.NewSelectWithData([]string{"opus", "mp3"}, binding.BindString(&s.config.Transcoding.Codec))
+	transcodeBitRate := widget.NewSelectWithData([]string{"96", "128", "160", "192", "256", "320"},
+		binding.IntToString(binding.BindInt(&s.config.Transcoding.MaxBitRateKBPS)))
+	if !s.config.Transcoding.RequestTranscode {
+		transcodeCodec.Disable()
+		transcodeBitRate.Disable()
+	}
+
+	var transcode *widget.Check
+	disableTranscode := widget.NewCheck(lang.L("Disable server transcoding"), func(b bool) {
+		s.config.Transcoding.ForceRawFile = b
+		if b {
+			transcode.SetChecked(false)
+		}
+	})
+	disableTranscode.Checked = s.config.Transcoding.ForceRawFile
+	transcode = widget.NewCheck(lang.L("Transcode to"), func(b bool) {
+		s.config.Transcoding.RequestTranscode = b
+		if b {
+			disableTranscode.SetChecked(false)
+			transcodeCodec.Enable()
+			transcodeBitRate.Enable()
+		} else {
+			transcodeCodec.Disable()
+			transcodeBitRate.Disable()
+		}
+	})
+	transcode.Checked = s.config.Transcoding.RequestTranscode
+
 	deviceList := make([]string, len(s.audioDevices))
 	var selIndex int
 	for i, dev := range s.audioDevices {
@@ -392,14 +420,16 @@ func (s *SettingsDialog) createPlaybackTab(isLocalPlayer, isReplayGainPlayer boo
 	}
 
 	return container.NewTabItem(lang.L("Playback"), container.NewVBox(
-		disableTranscode,
+
 		container.New(&layout.CustomPaddedLayout{TopPadding: 5},
 			container.New(layout.NewFormLayout(),
 				widget.NewLabel(lang.L("Audio device")), container.NewBorder(nil, nil, nil, util.NewHSpace(70), deviceSelect),
 				layout.NewSpacer(), audioExclusive,
 			)),
 		s.newSectionSeparator(),
-
+		disableTranscode,
+		container.NewHBox(transcode, transcodeCodec, transcodeBitRate),
+		s.newSectionSeparator(),
 		widget.NewRichText(&widget.TextSegment{Text: "ReplayGain", Style: util.BoldRichTextStyle}),
 		container.New(layout.NewFormLayout(),
 			widget.NewLabel(lang.L("ReplayGain mode")), container.NewGridWithColumns(2, replayGainSelect),