[media.ccc.de] Only extract live streams if the conference is streaming

Author: TobiGr

extractor/src/main/java/org/schabi/newpipe/extractor/services/media_ccc/extractors/MediaCCCConferenceExtractor.java

@@ -96,7 +96,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
         try {
             conferenceData = JsonParser.object().from(downloader.get(conferenceUrl).responseBody());
         } catch (final JsonParserException jpe) {
-            throw new ExtractionException("Could not parse json returnd by url: " + conferenceUrl);
+            throw new ExtractionException("Could not parse json returned by URL: " + conferenceUrl);
         }
     }
 

extractor/src/main/java/org/schabi/newpipe/extractor/services/media_ccc/extractors/MediaCCCLiveStreamKiosk.java

@@ -36,13 +36,16 @@ public InfoItemsPage<StreamInfoItem> getInitialPage() throws IOException, Extrac
         final StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
         for (int c = 0; c < doc.size(); c++) {
             final JsonObject conference = doc.getObject(c);
-            final JsonArray groups = conference.getArray("groups");
-            for (int g = 0; g < groups.size(); g++) {
-                final String group = groups.getObject(g).getString("group");
-                final JsonArray rooms = groups.getObject(g).getArray("rooms");
-                for (int r = 0; r < rooms.size(); r++) {
-                    final JsonObject room = rooms.getObject(r);
-                    collector.commit(new MediaCCCLiveStreamKioskExtractor(conference, group, room));
+            if (conference.getBoolean("isCurrentlyStreaming")) {
+                final JsonArray groups = conference.getArray("groups");
+                for (int g = 0; g < groups.size(); g++) {
+                    final String group = groups.getObject(g).getString("group");
+                    final JsonArray rooms = groups.getObject(g).getArray("rooms");
+                    for (int r = 0; r < rooms.size(); r++) {
+                        final JsonObject room = rooms.getObject(r);
+                        collector.commit(new MediaCCCLiveStreamKioskExtractor(
+                                conference, group, room));
+                    }
                 }
             }