[PeerTube] Detect video-only streams

Author: AudricV

extractor/src/main/java/org/schabi/newpipe/extractor/services/peertube/extractors/PeertubeStreamExtractor.java

@@ -651,12 +651,13 @@ private void addNewVideoStream(@Nonnull final JsonObject streamJsonObject,
         final String extension = url.substring(url.lastIndexOf(".") + 1);
         final MediaFormat format = MediaFormat.getFromSuffix(extension);
         final String id = resolution + "-" + extension;
+        final boolean isVideoOnly = !streamJsonObject.getBoolean("hasAudio");
 
         // Add progressive HTTP streams first
         videoStreams.add(new VideoStream.Builder()
                 .setId(id + "-" + idSuffix + "-" + DeliveryMethod.PROGRESSIVE_HTTP)
                 .setContent(url, true)
-                .setIsVideoOnly(false)
+                .setIsVideoOnly(isVideoOnly)
                 .setResolution(resolution)
                 .setMediaFormat(format)
                 .build());
@@ -671,7 +672,7 @@ private void addNewVideoStream(@Nonnull final JsonObject streamJsonObject,
             final VideoStream videoStream = new VideoStream.Builder()
                     .setId(id + "-" + DeliveryMethod.HLS)
                     .setContent(hlsStreamUrl, true)
-                    .setIsVideoOnly(false)
+                    .setIsVideoOnly(isVideoOnly)
                     .setDeliveryMethod(DeliveryMethod.HLS)
                     .setResolution(resolution)
                     .setMediaFormat(format)
@@ -688,7 +689,7 @@ private void addNewVideoStream(@Nonnull final JsonObject streamJsonObject,
             videoStreams.add(new VideoStream.Builder()
                     .setId(id + "-" + idSuffix + "-" + DeliveryMethod.TORRENT)
                     .setContent(torrentUrl, true)
-                    .setIsVideoOnly(false)
+                    .setIsVideoOnly(isVideoOnly)
                     .setDeliveryMethod(DeliveryMethod.TORRENT)
                     .setResolution(resolution)
                     .setMediaFormat(format)