fix: Fix handling of CC when switching between codecs (#5160)

shaka-project · Apr 19, 2023 · 6937325 · 6937325
1 parent bd9df5a
commit 6937325
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diff --git a/lib/media/media_source_engine.js b/lib/media/media_source_engine.js
@@ -739,7 +739,8 @@ shaka.media.MediaSourceEngine = class {
     }
     if (hasClosedCaptions && contentType == ContentType.VIDEO) {
       if (!this.textEngine_) {
-        this.reinitText('text/vtt', this.sequenceMode_);
+        this.reinitText(shaka.util.MimeUtils.CEA608_CLOSED_CAPTION_MIMETYPE,
+            this.sequenceMode_);
       }
       if (!this.captionParser_) {
         this.captionParser_ = this.getCaptionParser(mimeType);

diff --git a/lib/text/text_engine.js b/lib/text/text_engine.js
@@ -139,6 +139,7 @@ shaka.text.TextEngine = class {
     // into TextEngine and TextDisplayer.
     if (mimeType == shaka.util.MimeUtils.CEA608_CLOSED_CAPTION_MIMETYPE ||
         mimeType == shaka.util.MimeUtils.CEA708_CLOSED_CAPTION_MIMETYPE) {
+      this.parser_ = null;
       return;
     }