throw ContentNotSupportedException when content is know to be unsupported

extractor/src/main/java/org/schabi/newpipe/extractor/exceptions/ContentNotSupportedException.java

@@ -0,0 +1,11 @@
+package org.schabi.newpipe.extractor.exceptions;
+
+public class ContentNotSupportedException extends ParsingException {
+    public ContentNotSupportedException(String message) {
+        super(message);
+    }
+
+    public ContentNotSupportedException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

extractor/src/main/java/org/schabi/newpipe/extractor/services/soundcloud/SoundcloudStreamExtractor.java

@@ -10,6 +10,7 @@ import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.StreamingService;
 import org.schabi.newpipe.extractor.downloader.Downloader;
 import org.schabi.newpipe.extractor.exceptions.ContentNotAvailableException;
+import org.schabi.newpipe.extractor.exceptions.ContentNotSupportedException;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.exceptions.ParsingException;
 import org.schabi.newpipe.extractor.linkhandler.LinkHandler;
@@ -196,6 +197,10 @@ public class SoundcloudStreamExtractor extends StreamExtractor {
             throw new ExtractionException("Could not get SoundCloud's track audio url", e);
         }
 
+        if (audioStreams.isEmpty()) {
+            throw new ContentNotSupportedException("HLS audio streams / opus streams are not yet supported");
+        }
+
         return audioStreams;
     }
 

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/linkHandler/YoutubePlaylistLinkHandlerFactory.java

@@ -1,5 +1,6 @@
 package org.schabi.newpipe.extractor.services.youtube.linkHandler;
 
+import org.schabi.newpipe.extractor.exceptions.ContentNotSupportedException;
 import org.schabi.newpipe.extractor.exceptions.ParsingException;
 import org.schabi.newpipe.extractor.linkhandler.ListLinkHandlerFactory;
 import org.schabi.newpipe.extractor.utils.Utils;
@@ -47,7 +48,7 @@ public class YoutubePlaylistLinkHandlerFactory extends ListLinkHandlerFactory {
 
             // Don't accept auto-generated "Mix" playlists but auto-generated YouTube Music playlists
             if (listID.startsWith("RD") && !listID.startsWith("RDCLAK")) {
-                throw new ParsingException("YouTube Mix playlists are not yet supported");
+                throw new ContentNotSupportedException("YouTube Mix playlists are not yet supported");
             }
 
             return listID;

extractor/src/main/java/org/schabi/newpipe/extractor/stream/StreamInfo.java

@@ -5,6 +5,7 @@ import org.schabi.newpipe.extractor.InfoItem;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.StreamingService;
 import org.schabi.newpipe.extractor.exceptions.ContentNotAvailableException;
+import org.schabi.newpipe.extractor.exceptions.ContentNotSupportedException;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.localization.DateWrapper;
 import org.schabi.newpipe.extractor.utils.DashMpdParser;
@@ -47,7 +48,7 @@ public class StreamInfo extends Info {
     }
 
     public StreamInfo(int serviceId, String url, String originalUrl, StreamType streamType, String id, String name,
-            int ageLimit) {
+                      int ageLimit) {
         super(serviceId, id, url, originalUrl, name);
         this.streamType = streamType;
         this.ageLimit = ageLimit;
@@ -131,6 +132,8 @@ public class StreamInfo extends Info {
         /* Load and extract audio */
         try {
             streamInfo.setAudioStreams(extractor.getAudioStreams());
+        } catch (ContentNotSupportedException e) {
+            throw e;
         } catch (Exception e) {
             streamInfo.addError(new ExtractionException("Couldn't get audio streams", e));
         }