Fix #628: Add setting to transcode stream

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) {
-	return j.client.GetStreamURL(trackID)
+func (j *jellyfinMediaProvider) GetStreamURL(trackID string, transcode *mediaprovider.TranscodeSettings, forceRaw bool) (string, error) {
+	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)