fixed console spam when nothing playing

Author: CodeManDev

src/main/java/dev/codeman/smtc4j/SMTC4J.java

@@ -103,6 +103,9 @@ public static MediaInfo parsedMediaInfo() {
 
         String info = getMediaInfo();
 
+        if (info.equals("{}"))
+            return new MediaInfo("", "", "", 0, "", "");
+
         if (info.contains("\"error\":")) {
             System.out.println("Error retrieving media info: " + info);
             return new MediaInfo("", "", "", 0, "", "");
@@ -121,6 +124,9 @@ public static PlaybackState parsedPlaybackState() {
 
         String state = getPlaybackState();
 
+        if (state.equals("{}"))
+            return new PlaybackState(-1, 0);
+
         if (state.contains("\"error\":")) {
             System.out.println("Error retrieving playback state: " + state);
             return new PlaybackState(-1, 0);