Fix NPE on determining whether stream is live on Youtube

Stypox · Stypox · commit 0d8fb65003d4 · 2019-09-12T15:07:07.000+02:00
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java
@@ -523,7 +523,7 @@ public StreamType getStreamType() throws ParsingException {
         assertPageFetched();
         try {
             if (playerArgs != null && (playerArgs.has("ps") && playerArgs.get("ps").toString().equals("live") ||
-                    playerResponse.getObject("streamingData").getArray(FORMATS).isEmpty())) {
+                    (!playerResponse.getObject("streamingData").has(FORMATS)))) {
                 return StreamType.LIVE_STREAM;
             }
         } catch (Exception e) {

Original file line number	Diff line number	Diff line change
`@@ -523,7 +523,7 @@ public StreamType getStreamType() throws ParsingException {`
`523`	`523`	`assertPageFetched();`
`524`	`524`	`try {`
`525`	`525`	`if (playerArgs != null && (playerArgs.has("ps") && playerArgs.get("ps").toString().equals("live") \|\|`
`526`		`- playerResponse.getObject("streamingData").getArray(FORMATS).isEmpty())) {`
	`526`	`+ (!playerResponse.getObject("streamingData").has(FORMATS)))) {`
`527`	`527`	`return StreamType.LIVE_STREAM;`
`528`	`528`	`}`
`529`	`529`	`} catch (Exception e) {`