Add static constant UNKNOWN_BITRATE in AudioStream and use it in stream extractors

Author: AudricV

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

@@ -20,6 +20,8 @@
 import java.util.List;
 import java.util.Locale;
 
+import static org.schabi.newpipe.extractor.stream.AudioStream.UNKNOWN_BITRATE;
+
 public class MediaCCCLiveStreamExtractor extends StreamExtractor {
     private JsonArray doc = null;
     private JsonObject conference = null;
@@ -188,7 +190,7 @@ public List<AudioStream> getAudioStreams() throws IOException, ExtractionExcepti
                 for (final String type : stream.getObject("urls").keySet()) {
                     final JsonObject url = stream.getObject("urls").getObject(type);
                     audioStreams.add(new AudioStream(url.getString("tech"), url.getString("url"),
-                            MediaFormat.getFromSuffix(type), -1));
+                            MediaFormat.getFromSuffix(type), UNKNOWN_BITRATE));
                 }
             }
         }

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

@@ -26,6 +26,8 @@
 import java.util.List;
 import java.util.Locale;
 
+import static org.schabi.newpipe.extractor.stream.AudioStream.UNKNOWN_BITRATE;
+
 public class MediaCCCStreamExtractor extends StreamExtractor {
     private JsonObject data;
     private JsonObject conferenceData;
@@ -163,7 +165,7 @@ public List<AudioStream> getAudioStreams() throws ExtractionException {
                 }
 
                 audioStreams.add(new AudioStream(recording.getString("filename"),
-                        recording.getString("recording_url"), mediaFormat, -1));
+                        recording.getString("recording_url"), mediaFormat, UNKNOWN_BITRATE));
             }
         }
         return audioStreams;

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

@@ -32,6 +32,7 @@
 import java.util.List;
 import java.util.Locale;
 
+import static org.schabi.newpipe.extractor.stream.AudioStream.UNKNOWN_BITRATE;
 import static org.schabi.newpipe.extractor.utils.Utils.*;
 
 public class PeertubeStreamExtractor extends StreamExtractor {
@@ -262,14 +263,14 @@ private List<AudioStream> getAudioStreamsFromArray(final JsonArray streams,
                         true,
                         format,
                         DeliveryMethod.PROGRESSIVE_HTTP,
-                        -1));
+                        UNKNOWN_BITRATE));
                 audioStreams.add(new AudioStream(
                         id + "-" + idSuffix + "-" + DeliveryMethod.TORRENT,
                         torrentUrl,
                         true,
                         format,
                         DeliveryMethod.TORRENT,
-                        -1));
+                        UNKNOWN_BITRATE));
                 if (!isNullOrEmpty(playlistUrl)) {
                     final String hlsStreamUrl = playlistUrl.replace("master",
                             JsonUtils.getNumber(stream, "resolution.id").toString());
@@ -279,7 +280,7 @@ private List<AudioStream> getAudioStreamsFromArray(final JsonArray streams,
                             true,
                             format,
                             DeliveryMethod.HLS,
-                            -1));
+                            UNKNOWN_BITRATE));
                 }
             }
             return audioStreams;

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

@@ -27,8 +27,9 @@
 import javax.annotation.Nullable;
 
 public class AudioStream extends Stream {
-    public final int averageBitrate;
+    public static final int UNKNOWN_BITRATE = -1;
 
+    private final int averageBitrate;
     // Fields for Dash
     private int itag;
     private int bitrate;
@@ -111,7 +112,7 @@ public boolean equalStats(final Stream cmp) {
 
     /**
      * Get the average bitrate.
-     * @return the average bitrate
+     * @return the average bitrate or {@link #UNKNOWN_BITRATE} if it is unknown
      */
     public int getAverageBitrate() {
         return averageBitrate;