add url to sout

Author: XiangRongLin

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeThrottlingDecoder.java

@@ -15,6 +15,7 @@
 public class YoutubeThrottlingDecoder {
 
     private static final String HTTPS = "https:";
+    private static final String N_PARAM_REGEX = "[&?]n=([^&]+)";
 
     private final String functionName;
     private final String function;
@@ -85,7 +86,7 @@ private String parseDecodeFunction(String playerJsCode, String functionName) thr
     }
 
     public String parseNParam(String url) throws Parser.RegexException {
-        Pattern nValuePattern = Pattern.compile("[&?]n=([^&]+)");
+        Pattern nValuePattern = Pattern.compile(N_PARAM_REGEX);
         return Parser.matchGroup1(nValuePattern, url);
     }
 
@@ -95,7 +96,7 @@ public String decodeNParam(String nParam) {
     }
 
     public String replaceNParam(String url, String newValue) {
-        Pattern nValuePattern = Pattern.compile("[&?]n=([^&]+)");
+        Pattern nValuePattern = Pattern.compile(N_PARAM_REGEX);
         return nValuePattern.matcher(url).replaceFirst(newValue);
     }
 }

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java

@@ -534,7 +534,7 @@ public List<VideoStream> getVideoStreams() throws ExtractionException {
                 String newNParam = throttlingDecoder.decodeNParam(oldNParam);
                 String newUrl = throttlingDecoder.replaceNParam(url, newNParam);
 
-                System.out.println("aaaaaa  " + oldNParam + " - " + newNParam);
+                System.out.println("aaaaaa  " + url + " - " + oldNParam + " - " + newNParam);
                 final VideoStream videoStream = new VideoStream(newUrl, false, itag);
                 if (!Stream.containSimilarStream(videoStream, videoStreams)) {
                     videoStreams.add(videoStream);