fix(HLS): Ignore errors when try to detect CC (#7668)

avelad · joeyparrish · commit 0499bc4375cb · 2024-12-11T11:29:53.000-08:00
diff --git a/lib/media/segment_utils.js b/lib/media/segment_utils.js
@@ -381,9 +381,13 @@ shaka.media.SegmentUtils = class {
       if (initData) {
         captionParser.init(initData);
       }
-      captionParser.parseFrom(data);
-      for (const stream of captionParser.getStreams()) {
-        closedCaptions.set(stream, stream);
+      try {
+        captionParser.parseFrom(data);
+        for (const stream of captionParser.getStreams()) {
+          closedCaptions.set(stream, stream);
+        }
+      } catch (e) {
+        shaka.log.debug('Error detecting CC streams', e);
       }
       captionParser.reset();
     }

Original file line number	Diff line number	Diff line change
`@@ -381,9 +381,13 @@ shaka.media.SegmentUtils = class {`
`381`	`381`	`if (initData) {`
`382`	`382`	`captionParser.init(initData);`
`383`	`383`	`}`
`384`		`- captionParser.parseFrom(data);`
`385`		`- for (const stream of captionParser.getStreams()) {`
`386`		`- closedCaptions.set(stream, stream);`
	`384`	`+ try {`
	`385`	`+ captionParser.parseFrom(data);`
	`386`	`+ for (const stream of captionParser.getStreams()) {`
	`387`	`+ closedCaptions.set(stream, stream);`
	`388`	`+ }`
	`389`	`+ } catch (e) {`
	`390`	`+ shaka.log.debug('Error detecting CC streams', e);`
`387`	`391`	`}`
`388`	`392`	`captionParser.reset();`
`389`	`393`	`}`