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https://github.com/TeamNewPipe/NewPipe.git
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YTStreamExtractor: add support for age restricted
YouTube age restricted videos are now kind of supported. This is not a final solution to this problem and this commit still crashes because of some problem with the thumbnail.
This commit is contained in:
rrooij
parent
d8281aeb34
commit
4d727245e1
@ -24,6 +24,8 @@ import java.io.IOException;
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import java.util.List;
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import java.util.Map;
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import java.util.Vector;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* Created by Christian Schabesberger on 06.08.15.
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@ -160,7 +162,8 @@ public class YoutubeStreamExtractor implements StreamExtractor {
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private static final String TAG = YoutubeStreamExtractor.class.toString();
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private final Document doc;
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private JSONObject playerArgs;
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//private Map<String, String> videoInfoPage;
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private boolean isAgeRestricted;
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private Map<String, String> videoInfoPage;
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// static values
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private static final String DECRYPTION_FUNC_NAME="decrypt";
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@ -180,42 +183,37 @@ public class YoutubeStreamExtractor implements StreamExtractor {
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String pageContent = downloader.download(urlidhandler.cleanUrl(pageUrl));
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doc = Jsoup.parse(pageContent, pageUrl);
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String ytPlayerConfigRaw;
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JSONObject ytPlayerConfig;
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JSONObject ytPlayerConfig = new JSONObject();
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//attempt to load the youtube js player JSON arguments
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try {
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ytPlayerConfigRaw =
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Parser.matchGroup1("ytplayer.config\\s*=\\s*(\\{.*?\\});", pageContent);
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ytPlayerConfig = new JSONObject(ytPlayerConfigRaw);
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playerArgs = ytPlayerConfig.getJSONObject("args");
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} catch (Parser.RegexException e) {
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String errorReason = findErrorReason(doc);
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switch(errorReason) {
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case "GEMA":
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throw new GemaException(errorReason);
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case "":
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throw new ParsingException("player config empty", e);
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default:
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throw new ContentNotAvailableException("Content not available", e);
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}
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} catch (JSONException e) {
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throw new ParsingException("Could not parse yt player config");
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}
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/* not yet nececeary
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// get videoInfo page
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try {
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//Parser.unescapeEntities(url_data_str, true).split("&")
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String getVideoInfoUrl = GET_VIDEO_INFO_URL.replace("%%video_id%%",
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// Check if the video is age restricted
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if (pageContent.contains("<meta property=\"og:restrictions:age")) {
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String videoInfoUrl = GET_VIDEO_INFO_URL.replace("%%video_id%%",
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urlidhandler.getVideoId(pageUrl)).replace("$$el_type$$", "&" + EL_INFO);
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videoInfoPage = Parser.compatParseMap(downloader.download(getVideoInfoUrl));
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} catch(Exception e) {
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throw new ParsingException("Could not load video info page.", e);
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String videoInfoPageString = downloader.download(videoInfoUrl);
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videoInfoPage = Parser.compatParseMap(videoInfoPageString);
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isAgeRestricted = true;
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} else {
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//attempt to load the youtube js player JSON arguments
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try {
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ytPlayerConfigRaw =
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Parser.matchGroup1("ytplayer.config\\s*=\\s*(\\{.*?\\});", pageContent);
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ytPlayerConfig = new JSONObject(ytPlayerConfigRaw);
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playerArgs = ytPlayerConfig.getJSONObject("args");
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isAgeRestricted = false;
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} catch (Parser.RegexException e) {
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String errorReason = findErrorReason(doc);
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switch(errorReason) {
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case "GEMA":
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throw new GemaException(errorReason);
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case "":
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throw new ParsingException("player config empty", e);
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default:
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throw new ContentNotAvailableException("Content not available", e);
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}
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} catch (JSONException e) {
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throw new ParsingException("Could not parse yt player config");
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}
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}
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*/
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//----------------------------------
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// load and parse description code, if it isn't already initialised
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@ -225,9 +223,21 @@ public class YoutubeStreamExtractor implements StreamExtractor {
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// The Youtube service needs to be initialized by downloading the
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// js-Youtube-player. This is done in order to get the algorithm
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// for decrypting cryptic signatures inside certain stream urls.
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JSONObject ytAssets = ytPlayerConfig.getJSONObject("assets");
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String playerUrl = ytAssets.getString("js");
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String playerUrl = "";
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if (isAgeRestricted) {
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String videoId = urlidhandler.getVideoId(pageUrl);
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String embedUrl = "https://www.youtube.com/embed/" + videoId;
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String embedPageContent = downloader.download(embedUrl);
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Pattern assetsPattern = Pattern.compile("\"assets\":.+?\"js\":\\s*(\"[^\"]+\")");
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Matcher patternMatcher = assetsPattern.matcher(embedPageContent);
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while (patternMatcher.find()) {
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playerUrl = patternMatcher.group(1);
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}
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playerUrl = playerUrl.replace("\\", "").replace("\"", "");
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} else {
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JSONObject ytAssets = ytPlayerConfig.getJSONObject("assets");
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playerUrl = ytAssets.getString("js");
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}
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if (playerUrl.startsWith("//")) {
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playerUrl = "https:" + playerUrl;
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}
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@ -241,7 +251,11 @@ public class YoutubeStreamExtractor implements StreamExtractor {
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@Override
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public String getTitle() throws ParsingException {
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try {//json player args method
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try {
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if (playerArgs == null) {
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return videoInfoPage.get("title");
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}
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//json player args method
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return playerArgs.getString("title");
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} catch(JSONException je) {//html <meta> method
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je.printStackTrace();
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@ -265,7 +279,11 @@ public class YoutubeStreamExtractor implements StreamExtractor {
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@Override
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public String getUploader() throws ParsingException {
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try {//json player args method
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try {
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if (playerArgs == null) {
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return videoInfoPage.get("author");
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}
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//json player args method
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return playerArgs.getString("author");
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} catch(JSONException je) {
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je.printStackTrace();
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@ -281,6 +299,9 @@ public class YoutubeStreamExtractor implements StreamExtractor {
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@Override
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public int getLength() throws ParsingException {
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try {
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if (playerArgs == null) {
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return Integer.valueOf(videoInfoPage.get("length_seconds"));
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}
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return playerArgs.getInt("length_seconds");
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} catch (JSONException e) {//todo: find fallback method
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throw new ParsingException("failed to load video duration from JSON args", e);
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@ -321,6 +342,9 @@ public class YoutubeStreamExtractor implements StreamExtractor {
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} catch (JSONException je) {
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throw new ParsingException(
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"failed to extract thumbnail URL from JSON args; trying to extract it from HTML", je);
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} catch (NullPointerException ne) {
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// Get from the video info page instead
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return videoInfoPage.get("thumbnail_url");
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}
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}
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@ -361,7 +385,12 @@ public class YoutubeStreamExtractor implements StreamExtractor {
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public List<VideoInfo.AudioStream> getAudioStreams() throws ParsingException {
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Vector<VideoInfo.AudioStream> audioStreams = new Vector<>();
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try{
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String encoded_url_map = playerArgs.getString("adaptive_fmts");
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String encoded_url_map;
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if (videoInfoPage == null) {
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encoded_url_map = videoInfoPage.get("adaptive_fmts");
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} else {
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encoded_url_map = playerArgs.getString("adaptive_fmts");
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}
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for(String url_data_str : encoded_url_map.split(",")) {
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// This loop iterates through multiple streams, therefor tags
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// is related to one and the same stream at a time.
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@ -398,7 +427,12 @@ public class YoutubeStreamExtractor implements StreamExtractor {
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Vector<VideoInfo.VideoStream> videoStreams = new Vector<>();
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try{
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String encoded_url_map = playerArgs.getString("url_encoded_fmt_stream_map");
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String encoded_url_map;
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if (playerArgs == null) {
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encoded_url_map = videoInfoPage.get("url_encoded_fmt_stream_map");
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} else {
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encoded_url_map = playerArgs.getString("url_encoded_fmt_stream_map");
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}
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for(String url_data_str : encoded_url_map.split(",")) {
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try {
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// This loop iterates through multiple streams, therefor tags
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@ -504,6 +538,9 @@ public class YoutubeStreamExtractor implements StreamExtractor {
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@Override
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public String getAverageRating() throws ParsingException {
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try {
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if (playerArgs == null) {
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videoInfoPage.get("avg_rating");
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}
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return playerArgs.getString("avg_rating");
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} catch (JSONException e) {
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throw new ParsingException("Could not get Average rating", e);
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